Dec 11 13:10:59.317 INFO checking mstange/merge-dags against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:10:59.317 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 13:10:59.722 INFO [stdout] 07c8fdc92ed7f04eed7946c5884538081391730bc8fa43054bd99216f2e24113
Dec 11 13:10:59.728 INFO running `"docker" "start" "-a" "07c8fdc92ed7f04eed7946c5884538081391730bc8fa43054bd99216f2e24113"`
Dec 11 13:11:00.808 INFO [stderr] usermod: no changes
Dec 11 13:11:00.896 INFO [stderr]     Checking num-complex v0.1.43
Dec 11 13:11:00.896 INFO [stderr]     Checking num-bigint v0.1.43
Dec 11 13:11:00.896 INFO [stderr]     Checking euclid v0.17.2
Dec 11 13:11:03.165 INFO [stderr]     Checking num-rational v0.1.42
Dec 11 13:11:03.761 INFO [stderr]     Checking num v0.1.42
Dec 11 13:11:03.981 INFO [stderr]     Checking merge-dags v0.1.0 (/source)
Dec 11 13:11:04.700 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
Dec 11 13:11:04.702 INFO [stderr] su: No module specific data is present
Dec 11 13:11:04.937 INFO running `"docker" "inspect" "07c8fdc92ed7f04eed7946c5884538081391730bc8fa43054bd99216f2e24113"`
Dec 11 13:11:05.004 INFO running `"docker" "rm" "-f" "07c8fdc92ed7f04eed7946c5884538081391730bc8fa43054bd99216f2e24113"`
Dec 11 13:11:05.125 INFO [stdout] 07c8fdc92ed7f04eed7946c5884538081391730bc8fa43054bd99216f2e24113