Dec 12 05:48:49.028 INFO checking try-mutex-0.1.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 05:48:49.028 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 05:48:49.215 INFO [stdout] 31141318d924166cf8f4ef749358b752e583952e26d30e7adb6e19ab9bcf35ac
Dec 12 05:48:49.217 INFO running `"docker" "start" "-a" "31141318d924166cf8f4ef749358b752e583952e26d30e7adb6e19ab9bcf35ac"`
Dec 12 05:48:49.523 INFO [stderr] usermod: no changes
Dec 12 05:48:49.680 INFO [stderr]    Compiling compiletest_rs v0.3.17
Dec 12 05:48:49.680 INFO [stderr]     Checking try-mutex v0.1.1 (/source)
Dec 12 05:48:49.683 INFO [stderr]     Checking tester v0.5.0
Dec 12 05:48:59.061 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.51s
Dec 12 05:48:59.077 INFO [stderr] su: No module specific data is present
Dec 12 05:49:00.369 INFO running `"docker" "inspect" "31141318d924166cf8f4ef749358b752e583952e26d30e7adb6e19ab9bcf35ac"`
Dec 12 05:49:00.728 INFO running `"docker" "rm" "-f" "31141318d924166cf8f4ef749358b752e583952e26d30e7adb6e19ab9bcf35ac"`
Dec 12 05:49:01.040 INFO [stdout] 31141318d924166cf8f4ef749358b752e583952e26d30e7adb6e19ab9bcf35ac