diff --git a/.coveragerc b/.coveragerc
index b5cfb9e7b..cbc6c5c50 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1,6 +1,6 @@
 [run]
 include =
-  */src/*
+  src/*
   testing/*
   */lib/python*/site-packages/_pytest/*
   */lib/python*/site-packages/pytest.py
diff --git a/.travis.yml b/.travis.yml
index c2a6035ab..977ab1b60 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -74,7 +74,7 @@ jobs:
     # Specialized factors for py37.
     # Coverage for:
     # - test_sys_breakpoint_interception (via pexpect).
-    - env: TOXENV=py37-pexpect,py37-trial PYTEST_COVERAGE=1
+    - env: TOXENV=py37-pexpect,py37-twisted PYTEST_COVERAGE=1
     - env: TOXENV=py37-pluggymaster-xdist
     - env: TOXENV=py37-freeze
 
@@ -86,7 +86,7 @@ jobs:
     - stage: baseline
     # Coverage for:
     # - _pytest.unittest._handle_skip (via pexpect).
-      env: TOXENV=py27-pexpect,py27-trial PYTEST_COVERAGE=1
+      env: TOXENV=py27-pexpect,py27-twisted PYTEST_COVERAGE=1
       python: '2.7'
     # Use py36 here for faster baseline.
     - env: TOXENV=py36-xdist
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 89ed9791f..2d225bafc 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -30,9 +30,9 @@ jobs:
         # - numpy
         # - pytester's LsofFdLeakChecker (being skipped)
         PYTEST_COVERAGE: '1'
-      py27-trial:
+      py27-twisted:
         python.version: '2.7'
-        tox.env: 'py27-trial'
+        tox.env: 'py27-twisted'
         python.needs_vc: True
       py27-pluggymaster-xdist:
         python.version: '2.7'
@@ -40,7 +40,7 @@ jobs:
         # Coverage for:
         # - except-IOError in _attempt_to_close_capture_file for py2.
         #   Also seen with py27-nobyte (using xdist), and py27-xdist.
-        #   But no exception with py27-pexpect,py27-trial,py27-numpy.
+        #   But no exception with py27-pexpect,py27-twisted,py27-numpy.
         PYTEST_COVERAGE: '1'
       pypy:
         python.version: 'pypy'
@@ -76,9 +76,9 @@ jobs:
       py37-linting/docs/doctesting:
         python.version: '3.7'
         tox.env: 'linting,docs,doctesting'
-      py37-trial/numpy:
+      py37-twisted/numpy:
         python.version: '3.7'
-        tox.env: 'py37-trial,py37-numpy'
+        tox.env: 'py37-twisted,py37-numpy'
       py37-pluggymaster-xdist:
         python.version: '3.7'
         tox.env: 'py37-pluggymaster-xdist'
diff --git a/changelog/4928.bugfix.rst b/changelog/4928.bugfix.rst
new file mode 100644
index 000000000..8959efacb
--- /dev/null
+++ b/changelog/4928.bugfix.rst
@@ -0,0 +1 @@
+Fix line offsets with ``ScopeMismatch`` errors.
diff --git a/doc/en/reference.rst b/doc/en/reference.rst
index 7c5ee2e4b..12e0d09a8 100644
--- a/doc/en/reference.rst
+++ b/doc/en/reference.rst
@@ -882,7 +882,7 @@ pytest_mark
 **Tutorial**: :ref:`scoped-marking`
 
 Can be declared at the **global** level in *test modules* to apply one or more :ref:`marks <marks ref>` to all
-test functions and methods. Can be either a single mark or a sequence of marks.
+test functions and methods. Can be either a single mark or a list of marks.
 
 .. code-block:: python
 
@@ -895,7 +895,7 @@ test functions and methods. Can be either a single mark or a sequence of marks.
 
     import pytest
 
-    pytestmark = (pytest.mark.integration, pytest.mark.slow)
+    pytestmark = [pytest.mark.integration, pytest.mark.slow]
 
 PYTEST_DONT_REWRITE (module docstring)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/src/_pytest/fixtures.py b/src/_pytest/fixtures.py
index 2635d095e..c72437a7d 100644
--- a/src/_pytest/fixtures.py
+++ b/src/_pytest/fixtures.py
@@ -614,7 +614,7 @@ class FixtureRequest(FuncargnamesCompatAttr):
             fs, lineno = getfslineno(factory)
             p = self._pyfuncitem.session.fspath.bestrelpath(fs)
             args = _format_args(factory)
-            lines.append("%s:%d:  def %s%s" % (p, lineno, factory.__name__, args))
+            lines.append("%s:%d:  def %s%s" % (p, lineno + 1, factory.__name__, args))
         return lines
 
     def _getscopeitem(self, scope):
diff --git a/src/_pytest/mark/__init__.py b/src/_pytest/mark/__init__.py
index bc4c467f9..e7f08e163 100644
--- a/src/_pytest/mark/__init__.py
+++ b/src/_pytest/mark/__init__.py
@@ -52,6 +52,7 @@ def pytest_addoption(parser):
         "other' matches all test functions and classes whose name "
         "contains 'test_method' or 'test_other', while -k 'not test_method' "
         "matches those that don't contain 'test_method' in their names. "
+        "-k 'not test_method and not test_other' will eliminate the matches. "
         "Additionally keywords are matched to classes and functions "
         "containing extra names in their 'extra_keyword_matches' set, "
         "as well as functions which have names assigned directly to them.",
diff --git a/testing/python/fixtures.py b/testing/python/fixtures.py
index 70917946e..d67d6f4a2 100644
--- a/testing/python/fixtures.py
+++ b/testing/python/fixtures.py
@@ -1030,8 +1030,8 @@ class TestFixtureUsages(object):
         result.stdout.fnmatch_lines(
             [
                 "*ScopeMismatch*involved factories*",
-                "* def arg2*",
-                "* def arg1*",
+                "test_receives_funcargs_scope_mismatch.py:6:  def arg2(arg1)",
+                "test_receives_funcargs_scope_mismatch.py:2:  def arg1()",
                 "*1 error*",
             ]
         )
@@ -1141,6 +1141,7 @@ class TestFixtureUsages(object):
         values = reprec.getfailedcollections()
         assert len(values) == 1
 
+    @pytest.mark.filterwarnings("ignore::pytest.PytestDeprecationWarning")
     def test_request_can_be_overridden(self, testdir):
         testdir.makepyfile(
             """
diff --git a/testing/test_capture.py b/testing/test_capture.py
index c99b843c0..796d05b47 100644
--- a/testing/test_capture.py
+++ b/testing/test_capture.py
@@ -134,12 +134,22 @@ def test_capturing_bytes_in_utf8_encoding(testdir, method):
 def test_collect_capturing(testdir):
     p = testdir.makepyfile(
         """
+        import sys
+
         print("collect %s failure" % 13)
+        sys.stderr.write("collect %s_stderr failure" % 13)
         import xyz42123
     """
     )
     result = testdir.runpytest(p)
-    result.stdout.fnmatch_lines(["*Captured stdout*", "*collect 13 failure*"])
+    result.stdout.fnmatch_lines(
+        [
+            "*Captured stdout*",
+            "collect 13 failure",
+            "*Captured stderr*",
+            "collect 13_stderr failure",
+        ]
+    )
 
 
 class TestPerTestCapturing(object):
diff --git a/testing/test_session.py b/testing/test_session.py
index e09b08a3d..4cd564a89 100644
--- a/testing/test_session.py
+++ b/testing/test_session.py
@@ -114,7 +114,8 @@ class SessionTests(object):
             class TestBrokenClass(object):
                 def test_explicit_bad_repr(self):
                     t = BrokenRepr1()
-                    pytest.raises(Exception, 'repr(t)')
+                    with pytest.raises(Exception, match="I'm a broken repr"):
+                        repr(t)
 
                 def test_implicit_bad_repr1(self):
                     t = BrokenRepr1()
diff --git a/testing/test_warnings.py b/testing/test_warnings.py
index 1b4231edc..929ae8d60 100644
--- a/testing/test_warnings.py
+++ b/testing/test_warnings.py
@@ -95,10 +95,12 @@ def test_as_errors(testdir, pyfile_with_warnings, method):
         testdir.makeini(
             """
             [pytest]
-            filterwarnings= error
+            filterwarnings=error
             """
         )
-    result = testdir.runpytest(*args)
+    # Use a subprocess, since changing logging level affects other threads
+    # (xdist).
+    result = testdir.runpytest_subprocess(*args)
     result.stdout.fnmatch_lines(
         [
             "E       UserWarning: user warning",
diff --git a/tox.ini b/tox.ini
index 91a09be32..4f24150b7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,7 +13,7 @@ envlist =
     py38
     pypy
     pypy3
-    {py27,py37}-{pexpect,xdist,trial,numpy,pluggymaster}
+    {py27,py37}-{pexpect,xdist,twisted,numpy,pluggymaster}
     py27-nobyte-xdist
     doctesting
     py37-freeze
@@ -26,7 +26,7 @@ commands =
     coverage: coverage report
 passenv = USER USERNAME COVERAGE_* TRAVIS PYTEST_ADDOPTS
 setenv =
-    _PYTEST_TOX_DEFAULT_POSARGS={env:_PYTEST_TOX_POSARGS_LSOF:} {env:_PYTEST_TOX_POSARGS_PEXPECT:} {env:_PYTEST_TOX_POSARGS_XDIST:}
+    _PYTEST_TOX_DEFAULT_POSARGS={env:_PYTEST_TOX_POSARGS_LSOF:} {env:_PYTEST_TOX_POSARGS_PEXPECT:} {env:_PYTEST_TOX_POSARGS_TWISTED:} {env:_PYTEST_TOX_POSARGS_XDIST:}
 
     # Configuration to run with coverage similar to Travis/Appveyor, e.g.
     # "tox -e py37-coverage".
@@ -42,12 +42,16 @@ setenv =
     pexpect: _PYTEST_TOX_PLATFORM=linux|darwin
     pexpect: _PYTEST_TOX_POSARGS_PEXPECT=testing/test_pdb.py testing/test_terminal.py testing/test_unittest.py
 
+    twisted: _PYTEST_TOX_POSARGS_TWISTED=testing/test_unittest.py
+
     xdist: _PYTEST_TOX_POSARGS_XDIST=-n auto
 extras = testing
 deps =
     numpy: numpy
     pexpect: pexpect
     pluggymaster: git+https://github.com/pytest-dev/pluggy.git@master
+    twisted: twisted
+    twisted: unittest2
     xdist: pytest-xdist>=1.13
     {env:_PYTEST_TOX_EXTRA_DEP:}
 platform = {env:_PYTEST_TOX_PLATFORM:.*}
@@ -67,18 +71,6 @@ basepython = python3
 deps = pre-commit>=1.11.0
 commands = pre-commit run --all-files --show-diff-on-failure
 
-[testenv:py27-trial]
-deps =
-    {[testenv]deps}
-    twisted
-    unittest2
-commands =
-    {env:_PYTEST_TOX_COVERAGE_RUN:} pytest {posargs:testing/test_unittest.py}
-
-[testenv:py37-trial]
-deps = {[testenv:py27-trial]deps}
-commands = {[testenv:py27-trial]commands}
-
 [testenv:docs]
 basepython = python3
 usedevelop = True