Oct 12 19:48:46.735 INFO checking jgrosso/mandelbrot-rs against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 19:48:46.735 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 19:48:47.060 INFO blam! d64867192547beaf41e628e5e03b12ac64e7887ae611db3f358733d61c6495d6
Oct 12 19:48:47.072 INFO running `"docker" "start" "-a" "d64867192547beaf41e628e5e03b12ac64e7887ae611db3f358733d61c6495d6"`
Oct 12 19:48:48.555 INFO kablam! usermod: no changes
Oct 12 19:48:48.740 INFO kablam!     Checking rayon-core v1.4.0
Oct 12 19:48:48.740 INFO kablam!    Compiling num-derive v0.2.2
Oct 12 19:48:48.740 INFO kablam!     Checking png v0.12.0
Oct 12 19:48:51.668 INFO kablam!     Checking rayon v1.0.1
Oct 12 19:48:55.787 INFO kablam!     Checking jpeg-decoder v0.1.15
Oct 12 19:48:57.641 INFO kablam!     Checking image v0.19.0
Oct 12 19:49:02.735 INFO kablam!     Checking mandelbrot-rs v0.1.0 (/source)
Oct 12 19:49:04.385 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.80s
Oct 12 19:49:04.396 INFO kablam! su: No module specific data is present
Oct 12 19:49:04.722 INFO running `"docker" "rm" "-f" "d64867192547beaf41e628e5e03b12ac64e7887ae611db3f358733d61c6495d6"`
Oct 12 19:49:04.941 INFO blam! d64867192547beaf41e628e5e03b12ac64e7887ae611db3f358733d61c6495d6