Oct 13 02:59:03.744 INFO checking ProgrammingRust/mandelbrot against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 02:59:03.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/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 13 02:59:04.076 INFO blam! c3ef00a79f53e85b710403d0fec8647e76777ae708bbbfe0effad8c81a236ebc
Oct 13 02:59:04.088 INFO running `"docker" "start" "-a" "c3ef00a79f53e85b710403d0fec8647e76777ae708bbbfe0effad8c81a236ebc"`
Oct 13 02:59:04.807 INFO kablam! usermod: no changes
Oct 13 02:59:04.928 INFO kablam!     Checking num-complex v0.1.41
Oct 13 02:59:04.928 INFO kablam!     Checking num-bigint v0.1.41
Oct 13 02:59:04.928 INFO kablam!     Checking flate2 v0.2.20
Oct 13 02:59:06.704 INFO kablam!     Checking png v0.5.2
Oct 13 02:59:08.240 INFO kablam!     Checking num-rational v0.1.41
Oct 13 02:59:09.512 INFO kablam!     Checking num v0.1.41
Oct 13 02:59:09.512 INFO kablam!     Checking image v0.10.4
Oct 13 02:59:15.476 INFO kablam!     Checking mandelbrot v0.2.0 (/source)
Oct 13 02:59:18.509 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.67s
Oct 13 02:59:18.523 INFO kablam! su: No module specific data is present
Oct 13 02:59:19.249 INFO running `"docker" "rm" "-f" "c3ef00a79f53e85b710403d0fec8647e76777ae708bbbfe0effad8c81a236ebc"`
Oct 13 02:59:19.456 INFO blam! c3ef00a79f53e85b710403d0fec8647e76777ae708bbbfe0effad8c81a236ebc