Dec 19 15:13:19.941 INFO checking jgriebler/mycon against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:13:19.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jgriebler/mycon:/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 15:13:20.292 INFO [stdout] 10b2d5a33c0a5a93508591950aeb89a8e39e69302367c71291d20c6d88db5307
Dec 19 15:13:20.298 INFO running `"docker" "start" "-a" "10b2d5a33c0a5a93508591950aeb89a8e39e69302367c71291d20c6d88db5307"`
Dec 19 15:13:21.478 INFO [stderr]     Checking csv v1.0.2
Dec 19 15:13:21.479 INFO [stderr]     Checking simplelog v0.5.3
Dec 19 15:13:21.479 INFO [stderr]     Checking mycon v0.2.0 (/opt/crater/workdir)
Dec 19 15:13:21.488 INFO [stderr]     Checking handlebars v0.32.4
Dec 19 15:13:24.676 INFO [stderr]     Checking criterion v0.2.5
Dec 19 15:13:30.289 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.97s
Dec 19 15:13:31.632 INFO running `"docker" "inspect" "10b2d5a33c0a5a93508591950aeb89a8e39e69302367c71291d20c6d88db5307"`
Dec 19 15:13:31.968 INFO running `"docker" "rm" "-f" "10b2d5a33c0a5a93508591950aeb89a8e39e69302367c71291d20c6d88db5307"`
Dec 19 15:13:32.296 INFO [stdout] 10b2d5a33c0a5a93508591950aeb89a8e39e69302367c71291d20c6d88db5307