Dec 12 09:27:35.415 INFO checking ramp-0.5.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:27:35.415 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 09:27:35.666 INFO [stdout] 4f18be2ebf0cae1cd6569a09557c0cb80c8676bd051f68b2d9c56b211668a515
Dec 12 09:27:35.670 INFO running `"docker" "start" "-a" "4f18be2ebf0cae1cd6569a09557c0cb80c8676bd051f68b2d9c56b211668a515"`
Dec 12 09:27:36.543 INFO [stderr] usermod: no changes
Dec 12 09:27:36.670 INFO [stderr]    Compiling rustc-cfg v0.2.0
Dec 12 09:27:36.672 INFO [stderr]     Checking ieee754 v0.2.2
Dec 12 09:27:36.672 INFO [stderr]    Compiling num-integer v0.1.39
Dec 12 09:27:38.970 INFO [stderr]    Compiling num-bigint v0.1.44
Dec 12 09:27:42.384 INFO [stderr]    Compiling ramp v0.5.1 (/source)
Dec 12 09:27:50.743 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.17s
Dec 12 09:27:50.750 INFO [stderr] su: No module specific data is present
Dec 12 09:27:51.110 INFO running `"docker" "inspect" "4f18be2ebf0cae1cd6569a09557c0cb80c8676bd051f68b2d9c56b211668a515"`
Dec 12 09:27:51.268 INFO running `"docker" "rm" "-f" "4f18be2ebf0cae1cd6569a09557c0cb80c8676bd051f68b2d9c56b211668a515"`
Dec 12 09:27:51.436 INFO [stdout] 4f18be2ebf0cae1cd6569a09557c0cb80c8676bd051f68b2d9c56b211668a515