Dec 19 13:39:44.945 INFO checking lilserf/advent2015 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:39:44.945 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:39:45.434 INFO [stdout] a5d87e043b89bc9f6b52a2810a9c75b8413202c27665ff26dc23aa8d2c34044f
Dec 19 13:39:45.438 INFO running `"docker" "start" "-a" "a5d87e043b89bc9f6b52a2810a9c75b8413202c27665ff26dc23aa8d2c34044f"`
Dec 19 13:39:46.864 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 19 13:39:46.880 INFO [stderr]     Checking regex v0.2.2
Dec 19 13:39:52.920 INFO [stderr]     Checking advent v0.1.0 (/opt/crater/workdir)
Dec 19 13:39:53.454 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
Dec 19 13:39:53.763 INFO running `"docker" "inspect" "a5d87e043b89bc9f6b52a2810a9c75b8413202c27665ff26dc23aa8d2c34044f"`
Dec 19 13:39:53.855 INFO running `"docker" "rm" "-f" "a5d87e043b89bc9f6b52a2810a9c75b8413202c27665ff26dc23aa8d2c34044f"`
Dec 19 13:39:54.014 INFO [stdout] a5d87e043b89bc9f6b52a2810a9c75b8413202c27665ff26dc23aa8d2c34044f