Dec 11 14:12:55.801 INFO checking marcbreitung/problem-map-generator-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:12:55.801 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 14:12:56.332 INFO [stdout] ba6786b576b85671319e7a1e0b09c493c66d7ac48d9c706041d3fd48cef10588
Dec 11 14:12:56.334 INFO running `"docker" "start" "-a" "ba6786b576b85671319e7a1e0b09c493c66d7ac48d9c706041d3fd48cef10588"`
Dec 11 14:12:59.003 INFO [stderr] usermod: no changes
Dec 11 14:12:59.180 INFO [stderr]     Checking serde v1.0.32
Dec 11 14:12:59.188 INFO [stderr]    Compiling serde_derive_internals v0.20.1
Dec 11 14:13:05.130 INFO [stderr]    Compiling serde_derive v1.0.32
Dec 11 14:13:19.796 INFO [stderr]     Checking serde_json v1.0.11
Dec 11 14:13:22.004 INFO [stderr]     Checking problem_map_generator v0.0.1 (/source)
Dec 11 14:13:23.665 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.63s
Dec 11 14:13:23.677 INFO [stderr] su: No module specific data is present
Dec 11 14:13:24.678 INFO running `"docker" "inspect" "ba6786b576b85671319e7a1e0b09c493c66d7ac48d9c706041d3fd48cef10588"`
Dec 11 14:13:24.952 INFO running `"docker" "rm" "-f" "ba6786b576b85671319e7a1e0b09c493c66d7ac48d9c706041d3fd48cef10588"`
Dec 11 14:13:25.264 INFO [stdout] ba6786b576b85671319e7a1e0b09c493c66d7ac48d9c706041d3fd48cef10588