Dec 11 23:56:10.441 INFO checking TimBest/iron_hello_world against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 23:56:10.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 23:56:13.550 INFO [stdout] b47fa8a4871b746d9e55c6712a90660d54dd4d15e875d835fa7f2ef2c4de4a1d
Dec 11 23:56:13.553 INFO running `"docker" "start" "-a" "b47fa8a4871b746d9e55c6712a90660d54dd4d15e875d835fa7f2ef2c4de4a1d"`
Dec 11 23:56:14.127 INFO [stderr] usermod: no changes
Dec 11 23:56:14.148 INFO [stderr]     Blocking waiting for file lock on the registry index
Dec 11 23:56:14.730 INFO [stderr]     Checking conduit-mime-types v0.7.3
Dec 11 23:56:15.083 INFO [stderr]     Checking iron v0.5.1
Dec 11 23:56:16.724 INFO [stderr]     Checking iron_hello_world v0.1.0 (/source)
Dec 11 23:56:18.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.64s
Dec 11 23:56:18.788 INFO [stderr] su: No module specific data is present
Dec 11 23:56:22.718 INFO running `"docker" "inspect" "b47fa8a4871b746d9e55c6712a90660d54dd4d15e875d835fa7f2ef2c4de4a1d"`
Dec 11 23:56:22.800 INFO running `"docker" "rm" "-f" "b47fa8a4871b746d9e55c6712a90660d54dd4d15e875d835fa7f2ef2c4de4a1d"`
Dec 11 23:56:22.878 INFO [stdout] b47fa8a4871b746d9e55c6712a90660d54dd4d15e875d835fa7f2ef2c4de4a1d