Dec 11 14:53:39.609 INFO checking learnmerust/forever against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:53:39.609 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 14:53:39.991 INFO [stdout] d01c6d3e63b985756f732812e96c8d5e76006fc99a7c50aee832544bd9c48862
Dec 11 14:53:39.998 INFO running `"docker" "start" "-a" "d01c6d3e63b985756f732812e96c8d5e76006fc99a7c50aee832544bd9c48862"`
Dec 11 14:53:41.408 INFO [stderr] usermod: no changes
Dec 11 14:53:41.524 INFO [stderr]     Checking tokio-io v0.1.4
Dec 11 14:53:41.525 INFO [stderr]     Checking mio-uds v0.6.4
Dec 11 14:53:43.145 INFO [stderr]     Checking tokio-core v0.1.10
Dec 11 14:53:44.624 INFO [stderr]     Checking tokio-signal v0.1.2
Dec 11 14:53:45.555 INFO [stderr]     Checking tokio-process v0.1.4
Dec 11 14:53:46.656 INFO [stderr]     Checking forever v0.1.0 (/source)
Dec 11 14:53:47.453 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
Dec 11 14:53:47.468 INFO [stderr] su: No module specific data is present
Dec 11 14:53:48.332 INFO running `"docker" "inspect" "d01c6d3e63b985756f732812e96c8d5e76006fc99a7c50aee832544bd9c48862"`
Dec 11 14:53:48.644 INFO running `"docker" "rm" "-f" "d01c6d3e63b985756f732812e96c8d5e76006fc99a7c50aee832544bd9c48862"`
Dec 11 14:53:48.956 INFO [stdout] d01c6d3e63b985756f732812e96c8d5e76006fc99a7c50aee832544bd9c48862