Dec 12 06:39:04.937 INFO checking syn-next-0.15.0-rc4 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:39:04.937 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 06:39:05.504 INFO [stdout] fdec0e73e2ac110a6a0e812f497f277aa1c4f76b764edd1f2d68486b05d72472
Dec 12 06:39:05.506 INFO running `"docker" "start" "-a" "fdec0e73e2ac110a6a0e812f497f277aa1c4f76b764edd1f2d68486b05d72472"`
Dec 12 06:39:07.413 INFO [stderr] usermod: no changes
Dec 12 06:39:07.489 INFO [stderr]     Checking quote v0.6.10
Dec 12 06:39:08.108 INFO [stderr]     Checking syn-next v0.15.0-rc4 (/source)
Dec 12 06:39:11.737 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
Dec 12 06:39:11.757 INFO [stderr] su: No module specific data is present
Dec 12 06:39:12.598 INFO running `"docker" "inspect" "fdec0e73e2ac110a6a0e812f497f277aa1c4f76b764edd1f2d68486b05d72472"`
Dec 12 06:39:12.950 INFO running `"docker" "rm" "-f" "fdec0e73e2ac110a6a0e812f497f277aa1c4f76b764edd1f2d68486b05d72472"`
Dec 12 06:39:13.132 INFO [stdout] fdec0e73e2ac110a6a0e812f497f277aa1c4f76b764edd1f2d68486b05d72472