[INFO] crate guard 0.3.4 is already in cache
[INFO] extracting crate guard 0.3.4 into work/ex/clippy-test-run/sources/stable/reg/guard/0.3.4
[INFO] extracting crate guard 0.3.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/guard/0.3.4
[INFO] validating manifest of guard-0.3.4 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 guard-0.3.4 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 guard-0.3.4
[INFO] finished frobbing guard-0.3.4
[INFO] frobbed toml for guard-0.3.4 written to work/ex/clippy-test-run/sources/stable/reg/guard/0.3.4/Cargo.toml
[INFO] started frobbing guard-0.3.4
[INFO] finished frobbing guard-0.3.4
[INFO] frobbed toml for guard-0.3.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/guard/0.3.4/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 guard-0.3.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/guard/0.3.4:/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] 8b8f8f079aad8b61ee787d0d0c36e2cb60f0fee91ce1636dee4125e2603be74d
[INFO] running `"docker" "start" "-a" "8b8f8f079aad8b61ee787d0d0c36e2cb60f0fee91ce1636dee4125e2603be74d"`
[INFO] [stderr]     Checking guard v0.3.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]  --> examples/env.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     guard!(let Ok(foo_value) = env::var("FOO") else { return });
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]  --> examples/env.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     guard!(let Ok(foo_value) = env::var("FOO") else { return });
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of a blacklisted/placeholder name `bar`
[INFO] [stderr]    --> src/lib.rs:384:61
[INFO] [stderr]     |
[INFO] [stderr] 384 |         guard!({ return } unless Stuff::C(42) => Stuff::B { bar, .. } | Stuff::C(bar)); println!("{}", bar);
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:11:24
[INFO] [stderr]     |
[INFO] [stderr] 11  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: #[deny(clippy::blacklisted_name)] implied by #[deny(warnings)]
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr] error: use of a blacklisted/placeholder name `bar`
[INFO] [stderr]    --> src/lib.rs:384:82
[INFO] [stderr]     |
[INFO] [stderr] 384 |         guard!({ return } unless Stuff::C(42) => Stuff::B { bar, .. } | Stuff::C(bar)); println!("{}", bar);
[INFO] [stderr]     |                                                                                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr] error: use of a blacklisted/placeholder name `bar`
[INFO] [stderr]    --> src/lib.rs:384:61
[INFO] [stderr]     |
[INFO] [stderr] 384 |         guard!({ return } unless Stuff::C(42) => Stuff::B { bar, .. } | Stuff::C(bar)); println!("{}", bar);
[INFO] [stderr]     |                                                             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/lib.rs:466:75
[INFO] [stderr]     |
[INFO] [stderr] 466 |         guard!(let Some((a, b)) else { panic!() } = if true  { opt } else { opt }); println!("{} {}", a, b);
[INFO] [stderr]     |                                                                           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::if_same_then_else)] on by default
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/lib.rs:466:62
[INFO] [stderr]     |
[INFO] [stderr] 466 |         guard!(let Some((a, b)) else { panic!() } = if true  { opt } else { opt }); println!("{} {}", a, b);
[INFO] [stderr]     |                                                              ^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] error: this `if` has identical blocks
[INFO] [stderr]    --> src/lib.rs:467:75
[INFO] [stderr]     |
[INFO] [stderr] 467 |         guard!(let Some((a, b)) else { panic!() } = if false { opt } else { opt }); println!("{} {}", a, b);
[INFO] [stderr]     |                                                                           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: same as this
[INFO] [stderr]    --> src/lib.rs:467:62
[INFO] [stderr]     |
[INFO] [stderr] 467 |         guard!(let Some((a, b)) else { panic!() } = if false { opt } else { opt }); println!("{} {}", a, b);
[INFO] [stderr]     |                                                              ^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `guard`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8b8f8f079aad8b61ee787d0d0c36e2cb60f0fee91ce1636dee4125e2603be74d"`
[INFO] running `"docker" "rm" "-f" "8b8f8f079aad8b61ee787d0d0c36e2cb60f0fee91ce1636dee4125e2603be74d"`
[INFO] [stdout] 8b8f8f079aad8b61ee787d0d0c36e2cb60f0fee91ce1636dee4125e2603be74d