Dec 11 13:03:22.422 INFO checking mxhold/shopping against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:03:22.422 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 13:03:22.788 INFO [stdout] f90c232f41d0118226dd81673565ff38930dabe5d93b51203c0a67da0bc0ccf5
Dec 11 13:03:22.790 INFO running `"docker" "start" "-a" "f90c232f41d0118226dd81673565ff38930dabe5d93b51203c0a67da0bc0ccf5"`
Dec 11 13:03:24.024 INFO [stderr] usermod: no changes
Dec 11 13:03:24.187 INFO [stderr]    Compiling num-bigint v0.2.0
Dec 11 13:03:24.187 INFO [stderr]    Compiling num-rational v0.2.1
Dec 11 13:03:24.187 INFO [stderr]     Checking csv v1.0.0
Dec 11 13:03:24.187 INFO [stderr]     Checking backtrace v0.3.8
Dec 11 13:03:25.264 INFO [stderr]     Checking error-chain v0.12.0
Dec 11 13:03:28.425 INFO [stderr]     Checking shopping v0.1.0 (/source)
Dec 11 13:03:32.360 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.30s
Dec 11 13:03:32.369 INFO [stderr] su: No module specific data is present
Dec 11 13:03:32.899 INFO running `"docker" "inspect" "f90c232f41d0118226dd81673565ff38930dabe5d93b51203c0a67da0bc0ccf5"`
Dec 11 13:03:32.997 INFO running `"docker" "rm" "-f" "f90c232f41d0118226dd81673565ff38930dabe5d93b51203c0a67da0bc0ccf5"`
Dec 11 13:03:33.172 INFO [stdout] f90c232f41d0118226dd81673565ff38930dabe5d93b51203c0a67da0bc0ccf5