Dec 18 14:01:00.596 INFO checking mief-0.1.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:01:00.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/mief/0.1.1:/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 14:01:00.810 INFO [stdout] 4a365c90c90be001650c276be3429f8c5c4caaab4199dda085676b199281bba3
Dec 18 14:01:00.815 INFO running `"docker" "start" "-a" "4a365c90c90be001650c276be3429f8c5c4caaab4199dda085676b199281bba3"`
Dec 18 14:01:02.140 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 18 14:01:02.144 INFO [stderr]     Checking piston2d-graphics v0.23.0
Dec 18 14:01:02.152 INFO [stderr]     Checking pistoncore-glutin_window v0.42.1
Dec 18 14:01:03.462 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 18 14:01:04.588 INFO [stderr]     Checking rayon-core v1.4.1
Dec 18 14:01:05.625 INFO [stderr]     Checking rayon v1.0.3
Dec 18 14:01:09.359 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 18 14:01:10.732 INFO [stderr]     Checking image v0.17.0
Dec 18 14:01:14.494 INFO [stderr]     Checking piston-gfx_texture v0.29.0
Dec 18 14:01:15.672 INFO [stderr]     Checking piston2d-gfx_graphics v0.46.0
Dec 18 14:01:18.005 INFO [stderr]     Checking piston_window v0.73.0
Dec 18 14:01:19.835 INFO [stderr]     Checking mief v0.1.1 (/opt/crater/workdir)
Dec 18 14:01:22.491 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:01:22.491 INFO [stderr]   --> src/execution_flow/error.rs:72:23
Dec 18 14:01:22.491 INFO [stderr]    |
Dec 18 14:01:22.491 INFO [stderr] 72 |         assert!(error.cause().is_some(), "Piston errors do not have a cause.");
Dec 18 14:01:22.491 INFO [stderr]    |                       ^^^^^
Dec 18 14:01:22.491 INFO [stderr]    |
Dec 18 14:01:22.491 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:01:22.491 INFO [stderr] 
Dec 18 14:01:22.491 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:01:22.491 INFO [stderr]   --> src/execution_flow/error.rs:79:23
Dec 18 14:01:22.491 INFO [stderr]    |
Dec 18 14:01:22.491 INFO [stderr] 79 |         assert!(error.cause().is_none(), "Piston errors do not have a cause.");
Dec 18 14:01:22.491 INFO [stderr]    |                       ^^^^^
Dec 18 14:01:22.491 INFO [stderr] 
Dec 18 14:01:22.774 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.98s
Dec 18 14:01:23.103 INFO running `"docker" "inspect" "4a365c90c90be001650c276be3429f8c5c4caaab4199dda085676b199281bba3"`
Dec 18 14:01:23.206 INFO running `"docker" "rm" "-f" "4a365c90c90be001650c276be3429f8c5c4caaab4199dda085676b199281bba3"`
Dec 18 14:01:23.317 INFO [stdout] 4a365c90c90be001650c276be3429f8c5c4caaab4199dda085676b199281bba3