Dec 19 13:23:16.177 INFO checking lukors/time_track against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:23:16.177 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/lukors/time_track:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:23:16.434 INFO [stdout] f4fece42eea92dea8f123726884e6409d2765df9f81e3538baa25349ea737374
Dec 19 13:23:16.444 INFO running `"docker" "start" "-a" "f4fece42eea92dea8f123726884e6409d2765df9f81e3538baa25349ea737374"`
Dec 19 13:23:17.556 INFO [stderr]     Checking rand_core v0.2.1
Dec 19 13:23:17.556 INFO [stderr]     Checking env_logger v0.5.13
Dec 19 13:23:17.556 INFO [stderr]     Checking time_track v0.1.3 (/opt/crater/workdir)
Dec 19 13:23:18.254 INFO [stderr]     Checking rand v0.5.5
Dec 19 13:23:20.612 INFO [stderr]     Checking quickcheck v0.7.1
Dec 19 13:23:22.976 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
Dec 19 13:23:23.656 INFO running `"docker" "inspect" "f4fece42eea92dea8f123726884e6409d2765df9f81e3538baa25349ea737374"`
Dec 19 13:23:23.906 INFO running `"docker" "rm" "-f" "f4fece42eea92dea8f123726884e6409d2765df9f81e3538baa25349ea737374"`
Dec 19 13:23:24.172 INFO [stdout] f4fece42eea92dea8f123726884e6409d2765df9f81e3538baa25349ea737374