Dec 19 13:39:45.317 INFO checking lilserf/advent2015 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:39:45.317 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/lilserf/advent2015:/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 13:39:45.688 INFO [stdout] aa439dff2a84c079f4861cafe4d82294d2cecd6c9a19e0c35ddb781e3e870798
Dec 19 13:39:45.696 INFO running `"docker" "start" "-a" "aa439dff2a84c079f4861cafe4d82294d2cecd6c9a19e0c35ddb781e3e870798"`
Dec 19 13:39:47.348 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 19 13:39:47.348 INFO [stderr]     Checking regex v0.2.2
Dec 19 13:39:53.085 INFO [stderr]     Checking advent v0.1.0 (/opt/crater/workdir)
Dec 19 13:39:53.618 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
Dec 19 13:39:53.894 INFO running `"docker" "inspect" "aa439dff2a84c079f4861cafe4d82294d2cecd6c9a19e0c35ddb781e3e870798"`
Dec 19 13:39:54.039 INFO running `"docker" "rm" "-f" "aa439dff2a84c079f4861cafe4d82294d2cecd6c9a19e0c35ddb781e3e870798"`
Dec 19 13:39:54.188 INFO [stdout] aa439dff2a84c079f4861cafe4d82294d2cecd6c9a19e0c35ddb781e3e870798