Dec 12 14:42:52.709 INFO checking gain-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:42:52.709 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 12 14:42:53.186 INFO [stdout] ed3724b28c19a988bcf94e9ade52d2c27096b7c7bd2c8dae1e1f8cc75b1c688b
Dec 12 14:42:53.188 INFO running `"docker" "start" "-a" "ed3724b28c19a988bcf94e9ade52d2c27096b7c7bd2c8dae1e1f8cc75b1c688b"`
Dec 12 14:42:54.003 INFO [stderr] usermod: no changes
Dec 12 14:42:54.085 INFO [stderr]    Compiling syn v0.15.22
Dec 12 14:43:01.176 INFO [stderr]    Compiling serde_derive v1.0.82
Dec 12 14:43:14.645 INFO [stderr]     Checking gain v0.1.0 (/source)
Dec 12 14:43:19.761 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.72s
Dec 12 14:43:19.769 INFO [stderr] su: No module specific data is present
Dec 12 14:43:21.457 INFO running `"docker" "inspect" "ed3724b28c19a988bcf94e9ade52d2c27096b7c7bd2c8dae1e1f8cc75b1c688b"`
Dec 12 14:43:21.800 INFO running `"docker" "rm" "-f" "ed3724b28c19a988bcf94e9ade52d2c27096b7c7bd2c8dae1e1f8cc75b1c688b"`
Dec 12 14:43:22.144 INFO [stdout] ed3724b28c19a988bcf94e9ade52d2c27096b7c7bd2c8dae1e1f8cc75b1c688b