[INFO] crate assert_cli 0.6.3 is already in cache
[INFO] extracting crate assert_cli 0.6.3 into work/ex/clippy-test-run/sources/stable/reg/assert_cli/0.6.3
[INFO] extracting crate assert_cli 0.6.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/assert_cli/0.6.3
[INFO] validating manifest of assert_cli-0.6.3 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of assert_cli-0.6.3 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing assert_cli-0.6.3
[INFO] finished frobbing assert_cli-0.6.3
[INFO] frobbed toml for assert_cli-0.6.3 written to work/ex/clippy-test-run/sources/stable/reg/assert_cli/0.6.3/Cargo.toml
[INFO] started frobbing assert_cli-0.6.3
[INFO] finished frobbing assert_cli-0.6.3
[INFO] frobbed toml for assert_cli-0.6.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/assert_cli/0.6.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting assert_cli-0.6.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/assert_cli/0.6.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ed2549c998f48038d55e3f1c9e42900a8d9e1ff3b64672d0d0a026f3de78b86c
[INFO] running `"docker" "start" "-a" "ed2549c998f48038d55e3f1c9e42900a8d9e1ff3b64672d0d0a026f3de78b86c"`
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking assert_cli v0.6.3 (/opt/crater/workdir)
[INFO] [stderr] warning: using `writeln!(t, "")`
[INFO] [stderr]   --> src/diff.rs:38:29
[INFO] [stderr]    |
[INFO] [stderr] 38 |                             writeln!(t, "")?;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(t)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:360:9
[INFO] [stderr]     |
[INFO] [stderr] 360 |         write!(f, "Expected to contain needle.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:361:9
[INFO] [stderr]     |
[INFO] [stderr] 361 |         write!(f, "needle=```{}```\n", self.needle)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:380:9
[INFO] [stderr]     |
[INFO] [stderr] 380 |         write!(f, "Expected to contain needle.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:381:9
[INFO] [stderr]     |
[INFO] [stderr] 381 |         write!(f, "needle=```{:?}```\n", self.needle)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         write!(f, "Expected to not contain needle.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         write!(f, "needle=```{}```\n", self.needle)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         write!(f, "Expected to not contain needle.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 421 |         write!(f, "needle=```{:?}```\n", self.needle)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:445:9
[INFO] [stderr]     |
[INFO] [stderr] 445 |         write!(f, "Didn't match.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:464:9
[INFO] [stderr]     |
[INFO] [stderr] 464 |         write!(f, "Didn't match.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:465:9
[INFO] [stderr]     |
[INFO] [stderr] 465 |         write!(f, "expected=```{:?}```\n", self.expected)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:521:9
[INFO] [stderr]     |
[INFO] [stderr] 521 |         write!(f, "got=```{}```\n", self.got)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr]     Checking docmatic v0.1.2
[INFO] [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
[INFO] [stderr]   --> src/errors.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |         self.cause.as_ref().map(failure::Error::cause)
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
[INFO] [stderr]    --> src/errors.rs:125:33
[INFO] [stderr]     |
[INFO] [stderr] 125 |         self.cause.as_ref().map(failure::Error::cause)
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
[INFO] [stderr]    --> src/errors.rs:184:33
[INFO] [stderr]     |
[INFO] [stderr] 184 |         self.cause.as_ref().map(failure::Error::cause)
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Fail::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]    --> src/assert.rs:441:44
[INFO] [stderr]     |
[INFO] [stderr] 441 |             panic!(Self::format_causes(err.causes()));
[INFO] [stderr]     |                                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
[INFO] [stderr]    --> src/output.rs:539:33
[INFO] [stderr]     |
[INFO] [stderr] 539 |         self.cause.as_ref().map(failure::Error::cause)
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/macros.rs:53:29
[INFO] [stderr]    |
[INFO] [stderr] 53 |     serde_json::from_str(x).expect(&format!("Unable to deserialize `{:?}` as string.", x))
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to deserialize `{:?}` as string.", x))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/assert.rs:118:22
[INFO] [stderr]     |
[INFO] [stderr] 118 |             cmd: cmd.into_iter().map(OsString::from).collect(),
[INFO] [stderr]     |                      ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/assert.rs:137:30
[INFO] [stderr]     |
[INFO] [stderr] 137 |         self.cmd.extend(args.into_iter().map(OsString::from));
[INFO] [stderr]     |                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(t, "")`
[INFO] [stderr]   --> src/diff.rs:38:29
[INFO] [stderr]    |
[INFO] [stderr] 38 |                             writeln!(t, "")?;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(t)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:360:9
[INFO] [stderr]     |
[INFO] [stderr] 360 |         write!(f, "Expected to contain needle.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:361:9
[INFO] [stderr]     |
[INFO] [stderr] 361 |         write!(f, "needle=```{}```\n", self.needle)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:380:9
[INFO] [stderr]     |
[INFO] [stderr] 380 |         write!(f, "Expected to contain needle.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:381:9
[INFO] [stderr]     |
[INFO] [stderr] 381 |         write!(f, "needle=```{:?}```\n", self.needle)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         write!(f, "Expected to not contain needle.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         write!(f, "needle=```{}```\n", self.needle)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         write!(f, "Expected to not contain needle.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 421 |         write!(f, "needle=```{:?}```\n", self.needle)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:445:9
[INFO] [stderr]     |
[INFO] [stderr] 445 |         write!(f, "Didn't match.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:464:9
[INFO] [stderr]     |
[INFO] [stderr] 464 |         write!(f, "Didn't match.\n")?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:465:9
[INFO] [stderr]     |
[INFO] [stderr] 465 |         write!(f, "expected=```{:?}```\n", self.expected)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/output.rs:521:9
[INFO] [stderr]     |
[INFO] [stderr] 521 |         write!(f, "got=```{}```\n", self.got)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
[INFO] [stderr]   --> src/errors.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |         self.cause.as_ref().map(failure::Error::cause)
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
[INFO] [stderr]    --> src/errors.rs:125:33
[INFO] [stderr]     |
[INFO] [stderr] 125 |         self.cause.as_ref().map(failure::Error::cause)
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
[INFO] [stderr]    --> src/errors.rs:184:33
[INFO] [stderr]     |
[INFO] [stderr] 184 |         self.cause.as_ref().map(failure::Error::cause)
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Fail::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]    --> src/assert.rs:441:44
[INFO] [stderr]     |
[INFO] [stderr] 441 |             panic!(Self::format_causes(err.causes()));
[INFO] [stderr]     |                                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
[INFO] [stderr]    --> src/output.rs:539:33
[INFO] [stderr]     |
[INFO] [stderr] 539 |         self.cause.as_ref().map(failure::Error::cause)
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/macros.rs:53:29
[INFO] [stderr]    |
[INFO] [stderr] 53 |     serde_json::from_str(x).expect(&format!("Unable to deserialize `{:?}` as string.", x))
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Unable to deserialize `{:?}` as string.", x))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/assert.rs:118:22
[INFO] [stderr]     |
[INFO] [stderr] 118 |             cmd: cmd.into_iter().map(OsString::from).collect(),
[INFO] [stderr]     |                      ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/assert.rs:137:30
[INFO] [stderr]     |
[INFO] [stderr] 137 |         self.cmd.extend(args.into_iter().map(OsString::from));
[INFO] [stderr]     |                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.37s
[INFO] running `"docker" "inspect" "ed2549c998f48038d55e3f1c9e42900a8d9e1ff3b64672d0d0a026f3de78b86c"`
[INFO] running `"docker" "rm" "-f" "ed2549c998f48038d55e3f1c9e42900a8d9e1ff3b64672d0d0a026f3de78b86c"`
[INFO] [stdout] ed2549c998f48038d55e3f1c9e42900a8d9e1ff3b64672d0d0a026f3de78b86c