Oct 12 17:55:36.626 INFO checking marcbreitung/problem-map-generator-rust against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 17:55:36.626 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 17:55:37.106 INFO blam! 220c16c03b0dea493b586a7caaacf65ddfd4f4f9e193602c8eb16c2c97266cbe
Oct 12 17:55:37.108 INFO running `"docker" "start" "-a" "220c16c03b0dea493b586a7caaacf65ddfd4f4f9e193602c8eb16c2c97266cbe"`
Oct 12 17:55:39.695 INFO kablam! usermod: no changes
Oct 12 17:55:39.796 INFO kablam!     Checking num-traits v0.2.1
Oct 12 17:55:39.801 INFO kablam!     Checking serde v1.0.32
Oct 12 17:55:39.801 INFO kablam!    Compiling serde_derive_internals v0.20.1
Oct 12 17:55:47.720 INFO kablam!    Compiling serde_derive v1.0.32
Oct 12 17:56:00.861 INFO kablam!     Checking serde_json v1.0.11
Oct 12 17:56:03.352 INFO kablam!     Checking problem_map_generator v0.0.1 (/source)
Oct 12 17:56:04.882 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 25.16s
Oct 12 17:56:04.892 INFO kablam! su: No module specific data is present
Oct 12 17:56:05.582 INFO running `"docker" "rm" "-f" "220c16c03b0dea493b586a7caaacf65ddfd4f4f9e193602c8eb16c2c97266cbe"`
Oct 12 17:56:05.944 INFO blam! 220c16c03b0dea493b586a7caaacf65ddfd4f4f9e193602c8eb16c2c97266cbe