Oct 12 10:48:39.421 INFO checking wfraser/dc4 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 10:48:39.423 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/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 10:48:39.884 INFO blam! 9a76bc55a719069287625380406b9753a0cdfbad4aeccda7303d55ec16c1c266
Oct 12 10:48:39.887 INFO running `"docker" "start" "-a" "9a76bc55a719069287625380406b9753a0cdfbad4aeccda7303d55ec16c1c266"`
Oct 12 10:48:41.056 INFO kablam! usermod: no changes
Oct 12 10:48:41.152 INFO kablam!    Compiling num-traits v0.2.6
Oct 12 10:48:41.153 INFO kablam!    Compiling num-bigint v0.2.0
Oct 12 10:48:41.160 INFO kablam!    Compiling num-rational v0.2.1
Oct 12 10:48:41.160 INFO kablam!    Compiling num-iter v0.1.37
Oct 12 10:48:41.160 INFO kablam!    Compiling num-complex v0.2.1
Oct 12 10:48:41.164 INFO kablam!    Compiling dc4 v1.1.1 (/source)
Oct 12 10:48:45.400 INFO kablam!     Checking num-integer v0.1.39
Oct 12 10:48:48.552 INFO kablam!     Checking num v0.2.0
Oct 12 10:48:51.032 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
Oct 12 10:48:51.033 INFO kablam! su: No module specific data is present
Oct 12 10:48:52.272 INFO running `"docker" "rm" "-f" "9a76bc55a719069287625380406b9753a0cdfbad4aeccda7303d55ec16c1c266"`
Oct 12 10:48:52.612 INFO blam! 9a76bc55a719069287625380406b9753a0cdfbad4aeccda7303d55ec16c1c266