Oct 12 18:42:36.267 INFO checking kryptan/luminance against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:42:36.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 18:42:36.698 INFO blam! 092773073f9a632df092376066fa0d20b41a68a8e056d1122d37e39df7306f1a
Oct 12 18:42:36.700 INFO running `"docker" "start" "-a" "092773073f9a632df092376066fa0d20b41a68a8e056d1122d37e39df7306f1a"`
Oct 12 18:42:37.410 INFO kablam! usermod: no changes
Oct 12 18:42:37.514 INFO kablam!     Checking adler32 v0.3.0
Oct 12 18:42:37.515 INFO kablam!     Checking num_cpus v1.2.1
Oct 12 18:42:37.519 INFO kablam!     Checking deque v0.3.1
Oct 12 18:42:38.042 INFO kablam!     Checking deflate v0.7.2
Oct 12 18:42:38.060 INFO kablam!     Checking rayon v0.6.0
Oct 12 18:42:39.583 INFO kablam!     Checking png v0.6.2
Oct 12 18:42:40.600 INFO kablam!     Checking jpeg-decoder v0.1.11
Oct 12 18:42:42.217 INFO kablam!     Checking image v0.12.0
Oct 12 18:42:47.368 INFO kablam!     Checking luminance v0.1.0 (/source)
Oct 12 18:42:49.333 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.91s
Oct 12 18:42:49.341 INFO kablam! su: No module specific data is present
Oct 12 18:42:50.551 INFO running `"docker" "rm" "-f" "092773073f9a632df092376066fa0d20b41a68a8e056d1122d37e39df7306f1a"`
Oct 12 18:42:50.860 INFO blam! 092773073f9a632df092376066fa0d20b41a68a8e056d1122d37e39df7306f1a