Oct 12 14:26:26.512 INFO checking s-matthew-english/mandelbrot against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 14:26:26.514 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 14:26:27.088 INFO blam! 0a2c8c932f78053e2a439bc62341c4012c6d259a3533435a37a9dde262a9931a
Oct 12 14:26:27.090 INFO running `"docker" "start" "-a" "0a2c8c932f78053e2a439bc62341c4012c6d259a3533435a37a9dde262a9931a"`
Oct 12 14:26:28.736 INFO kablam! usermod: no changes
Oct 12 14:26:28.900 INFO kablam!     Checking num-complex v0.1.42
Oct 12 14:26:28.900 INFO kablam!     Checking num-bigint v0.1.43
Oct 12 14:26:28.908 INFO kablam!     Checking png v0.7.0
Oct 12 14:26:28.911 INFO kablam!     Checking jpeg-decoder v0.1.14
Oct 12 14:26:33.606 INFO kablam!     Checking num-rational v0.1.42
Oct 12 14:26:34.485 INFO kablam!     Checking image v0.13.0
Oct 12 14:26:34.486 INFO kablam!     Checking num v0.1.42
Oct 12 14:26:39.222 INFO kablam!     Checking mandelbrot v0.1.0 (/source)
Oct 12 14:26:40.587 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.81s
Oct 12 14:26:40.594 INFO kablam! su: No module specific data is present
Oct 12 14:26:42.168 INFO running `"docker" "rm" "-f" "0a2c8c932f78053e2a439bc62341c4012c6d259a3533435a37a9dde262a9931a"`
Oct 12 14:26:42.357 INFO blam! 0a2c8c932f78053e2a439bc62341c4012c6d259a3533435a37a9dde262a9931a