Dec 05 08:34:11.317 INFO checking ramp-0.5.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:34:11.317 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 08:34:11.501 INFO [stdout] ff35ab556107ce3cc5db5f14d1b2fd2edac2aca696d2bee251c7d1e360026072
Dec 05 08:34:11.504 INFO running `"docker" "start" "-a" "ff35ab556107ce3cc5db5f14d1b2fd2edac2aca696d2bee251c7d1e360026072"`
Dec 05 08:34:12.318 INFO [stderr] usermod: no changes
Dec 05 08:34:12.459 INFO [stderr]    Compiling rustc-cfg v0.2.0
Dec 05 08:34:12.459 INFO [stderr]     Checking ieee754 v0.2.2
Dec 05 08:34:12.459 INFO [stderr]    Compiling num-bigint v0.1.44
Dec 05 08:34:16.952 INFO [stderr]    Compiling ramp v0.5.1 (/source)
Dec 05 08:34:25.871 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.52s
Dec 05 08:34:25.873 INFO [stderr] su: No module specific data is present
Dec 05 08:34:26.198 INFO running `"docker" "inspect" "ff35ab556107ce3cc5db5f14d1b2fd2edac2aca696d2bee251c7d1e360026072"`
Dec 05 08:34:26.297 INFO running `"docker" "rm" "-f" "ff35ab556107ce3cc5db5f14d1b2fd2edac2aca696d2bee251c7d1e360026072"`
Dec 05 08:34:26.389 INFO [stdout] ff35ab556107ce3cc5db5f14d1b2fd2edac2aca696d2bee251c7d1e360026072