Dec 11 12:44:36.986 INFO checking nical/backup against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 12:44:36.986 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 11 12:44:37.535 INFO [stdout] 5938bece8e025a6ad85dfc672486fae5ab161e6fc6e931ea9f0b1a40c8b03754
Dec 11 12:44:37.537 INFO running `"docker" "start" "-a" "5938bece8e025a6ad85dfc672486fae5ab161e6fc6e931ea9f0b1a40c8b03754"`
Dec 11 12:44:39.331 INFO [stderr] usermod: no changes
Dec 11 12:44:39.444 INFO [stderr]     Checking serde v1.0.33
Dec 11 12:44:39.464 INFO [stderr]    Compiling serde_derive_internals v0.21.0
Dec 11 12:44:44.440 INFO [stderr]    Compiling serde_derive v1.0.33
Dec 11 12:44:58.244 INFO [stderr]     Checking toml v0.4.5
Dec 11 12:45:00.237 INFO [stderr]     Checking backup v0.1.0 (/source)
Dec 11 12:45:01.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.52s
Dec 11 12:45:01.889 INFO [stderr] su: No module specific data is present
Dec 11 12:45:03.179 INFO running `"docker" "inspect" "5938bece8e025a6ad85dfc672486fae5ab161e6fc6e931ea9f0b1a40c8b03754"`
Dec 11 12:45:03.538 INFO running `"docker" "rm" "-f" "5938bece8e025a6ad85dfc672486fae5ab161e6fc6e931ea9f0b1a40c8b03754"`
Dec 11 12:45:03.822 INFO [stdout] 5938bece8e025a6ad85dfc672486fae5ab161e6fc6e931ea9f0b1a40c8b03754