Dec 19 10:21:57.916 INFO checking rchaser53/rust_playground against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:21:57.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rchaser53/rust_playground:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:21:58.369 INFO [stdout] ba5dbe052e46adbd84aa38e4f606ea89e27531c6f876b2a4e59d2cc88e7f50b7
Dec 19 10:21:58.372 INFO running `"docker" "start" "-a" "ba5dbe052e46adbd84aa38e4f606ea89e27531c6f876b2a4e59d2cc88e7f50b7"`
Dec 19 10:22:01.505 INFO [stderr]     Checking num-traits v0.2.0
Dec 19 10:22:01.536 INFO [stderr]    Compiling rustfmt v0.10.0
Dec 19 10:22:01.573 INFO [stderr]    Compiling extprim v1.5.1
Dec 19 10:22:01.573 INFO [stderr]     Checking strings v0.1.1
Dec 19 10:22:01.573 INFO [stderr]     Checking rayon-core v1.4.0
Dec 19 10:22:01.573 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 10:22:01.574 INFO [stderr]     Checking serde v1.0.27
Dec 19 10:22:01.574 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 19 10:22:05.974 INFO [stderr]     Checking rayon v1.0.0
Dec 19 10:22:07.057 INFO [stderr]     Checking num-integer v0.1.36
Dec 19 10:22:08.002 INFO [stderr]     Checking num-iter v0.1.35
Dec 19 10:22:08.003 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 10:22:08.840 INFO [stderr]     Checking png v0.11.0
Dec 19 10:22:14.006 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 19 10:22:16.056 INFO [stderr]     Checking image v0.18.0
Dec 19 10:22:20.975 INFO [stderr]     Checking syntex_pos v0.59.1
Dec 19 10:22:20.975 INFO [stderr]     Checking serde_json v1.0.9
Dec 19 10:22:20.975 INFO [stderr]     Checking toml v0.4.5
Dec 19 10:22:23.370 INFO [stderr]     Checking syntex_errors v0.59.1
Dec 19 10:22:26.052 INFO [stderr]     Checking syntex_syntax v0.59.1
Dec 19 10:22:50.107 INFO [stderr]     Checking like_cron v0.1.0 (/opt/crater/workdir)
Dec 19 10:22:50.283 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.05s
Dec 19 10:22:50.546 INFO running `"docker" "inspect" "ba5dbe052e46adbd84aa38e4f606ea89e27531c6f876b2a4e59d2cc88e7f50b7"`
Dec 19 10:22:50.652 INFO running `"docker" "rm" "-f" "ba5dbe052e46adbd84aa38e4f606ea89e27531c6f876b2a4e59d2cc88e7f50b7"`
Dec 19 10:22:50.753 INFO [stdout] ba5dbe052e46adbd84aa38e4f606ea89e27531c6f876b2a4e59d2cc88e7f50b7