Dec 18 15:21:06.009 INFO checking guard-0.3.4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 15:21:06.059 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:21:06.291 INFO [stdout] 1eb4ff9a94c1855479e5ab60ff1457066a5b7f9e778d12999bf5f18f57e0b0b9
Dec 18 15:21:06.291 INFO running `"docker" "start" "-a" "1eb4ff9a94c1855479e5ab60ff1457066a5b7f9e778d12999bf5f18f57e0b0b9"`
Dec 18 15:21:06.976 INFO [stderr]     Checking guard v0.3.4 (/opt/crater/workdir)
Dec 18 15:21:07.324 INFO [stderr] warning: unreachable expression
Dec 18 15:21:07.324 INFO [stderr]  --> examples/env.rs:9:5
Dec 18 15:21:07.324 INFO [stderr]   |
Dec 18 15:21:07.324 INFO [stderr] 9 |     guard!(let Ok(foo_value) = env::var("FOO") else { return });
Dec 18 15:21:07.324 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:21:07.324 INFO [stderr]   |
Dec 18 15:21:07.324 INFO [stderr]   = note: #[warn(unreachable_code)] on by default
Dec 18 15:21:07.324 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)
Dec 18 15:21:07.324 INFO [stderr] 
Dec 18 15:21:07.324 INFO [stderr] warning: unreachable expression
Dec 18 15:21:07.324 INFO [stderr]  --> examples/env.rs:9:5
Dec 18 15:21:07.324 INFO [stderr]   |
Dec 18 15:21:07.324 INFO [stderr] 9 |     guard!(let Ok(foo_value) = env::var("FOO") else { return });
Dec 18 15:21:07.324 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 15:21:07.324 INFO [stderr]   |
Dec 18 15:21:07.324 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)
Dec 18 15:21:07.324 INFO [stderr] 
Dec 18 15:21:07.423 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 18 15:21:07.988 INFO running `"docker" "inspect" "1eb4ff9a94c1855479e5ab60ff1457066a5b7f9e778d12999bf5f18f57e0b0b9"`
Dec 18 15:21:08.103 INFO running `"docker" "rm" "-f" "1eb4ff9a94c1855479e5ab60ff1457066a5b7f9e778d12999bf5f18f57e0b0b9"`
Dec 18 15:21:08.230 INFO [stdout] 1eb4ff9a94c1855479e5ab60ff1457066a5b7f9e778d12999bf5f18f57e0b0b9