Dec 18 12:01:25.190 INFO checking rtag-0.3.5 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:01:25.190 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rtag/0.3.5:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:01:25.774 INFO [stdout] 95b50ffb106d93927b6c1e59c753ad9e0b4a0c45225e838d24f25d6bdc789b4f
Dec 18 12:01:25.776 INFO running `"docker" "start" "-a" "95b50ffb106d93927b6c1e59c753ad9e0b4a0c45225e838d24f25d6bdc789b4f"`
Dec 18 12:01:28.013 INFO [stderr]     Checking flate2 v0.2.20
Dec 18 12:01:29.140 INFO [stderr]     Checking rtag v0.3.5 (/opt/crater/workdir)
Dec 18 12:01:31.711 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 12:01:31.711 INFO [stderr]     --> src/frame.rs:1357:12
Dec 18 12:01:31.711 INFO [stderr]      |
Dec 18 12:01:31.711 INFO [stderr] 1357 |         Ok((()))
Dec 18 12:01:31.711 INFO [stderr]      |            ^^^^ help: remove these parentheses
Dec 18 12:01:31.712 INFO [stderr]      |
Dec 18 12:01:31.712 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 18 12:01:31.712 INFO [stderr] 
Dec 18 12:01:31.996 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 12:01:31.996 INFO [stderr]     --> src/frame.rs:1357:12
Dec 18 12:01:31.996 INFO [stderr]      |
Dec 18 12:01:31.996 INFO [stderr] 1357 |         Ok((()))
Dec 18 12:01:31.996 INFO [stderr]      |            ^^^^ help: remove these parentheses
Dec 18 12:01:31.996 INFO [stderr]      |
Dec 18 12:01:31.996 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 18 12:01:31.996 INFO [stderr] 
Dec 18 12:01:37.340 INFO [stderr] warning: unreachable pattern
Dec 18 12:01:37.340 INFO [stderr]     --> src/frame.rs:1640:13
Dec 18 12:01:37.340 INFO [stderr]      |
Dec 18 12:01:37.340 INFO [stderr] 1640 |             _ => EventTimingCode::Padding(timestamp),
Dec 18 12:01:37.340 INFO [stderr]      |             ^
Dec 18 12:01:37.341 INFO [stderr]      |
Dec 18 12:01:37.341 INFO [stderr]      = note: #[warn(unreachable_patterns)] on by default
Dec 18 12:01:37.341 INFO [stderr] 
Dec 18 12:01:37.588 INFO [stderr] warning: unreachable pattern
Dec 18 12:01:37.588 INFO [stderr]     --> src/frame.rs:1640:13
Dec 18 12:01:37.588 INFO [stderr]      |
Dec 18 12:01:37.588 INFO [stderr] 1640 |             _ => EventTimingCode::Padding(timestamp),
Dec 18 12:01:37.588 INFO [stderr]      |             ^
Dec 18 12:01:37.588 INFO [stderr]      |
Dec 18 12:01:37.588 INFO [stderr]      = note: #[warn(unreachable_patterns)] on by default
Dec 18 12:01:37.588 INFO [stderr] 
Dec 18 12:01:44.157 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.35s
Dec 18 12:01:45.574 INFO running `"docker" "inspect" "95b50ffb106d93927b6c1e59c753ad9e0b4a0c45225e838d24f25d6bdc789b4f"`
Dec 18 12:01:45.950 INFO running `"docker" "rm" "-f" "95b50ffb106d93927b6c1e59c753ad9e0b4a0c45225e838d24f25d6bdc789b4f"`
Dec 18 12:01:46.340 INFO [stdout] 95b50ffb106d93927b6c1e59c753ad9e0b4a0c45225e838d24f25d6bdc789b4f