Dec 05 03:57:45.455 INFO checking yaml-merge-keys-0.3.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 03:57:45.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 03:57:45.863 INFO [stdout] 61dc6f9a4fda1973cb615fec050f09882eb58b849a7c26e028564300b163bc00
Dec 05 03:57:45.871 INFO running `"docker" "start" "-a" "61dc6f9a4fda1973cb615fec050f09882eb58b849a7c26e028564300b163bc00"`
Dec 05 03:57:46.810 INFO [stderr] usermod: no changes
Dec 05 03:57:46.899 INFO [stderr]     Checking error-chain v0.10.0
Dec 05 03:57:47.787 INFO [stderr]     Checking yaml-merge-keys v0.3.0 (/source)
Dec 05 03:57:49.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Dec 05 03:57:49.020 INFO [stderr] su: No module specific data is present
Dec 05 03:57:49.879 INFO running `"docker" "inspect" "61dc6f9a4fda1973cb615fec050f09882eb58b849a7c26e028564300b163bc00"`
Dec 05 03:57:50.173 INFO running `"docker" "rm" "-f" "61dc6f9a4fda1973cb615fec050f09882eb58b849a7c26e028564300b163bc00"`
Dec 05 03:57:50.420 INFO [stdout] 61dc6f9a4fda1973cb615fec050f09882eb58b849a7c26e028564300b163bc00