Dec 12 15:07:50.313 INFO checking fera-unionfind-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 15:07:50.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 15:07:50.752 INFO [stdout] 8fcbd744605437032b7a1d8c1a823b681067a358e38031f726b778a8616b99e1
Dec 12 15:07:50.757 INFO running `"docker" "start" "-a" "8fcbd744605437032b7a1d8c1a823b681067a358e38031f726b778a8616b99e1"`
Dec 12 15:07:51.880 INFO [stderr] usermod: no changes
Dec 12 15:07:51.976 INFO [stderr]    Compiling pulldown-cmark v0.0.11
Dec 12 15:07:51.984 INFO [stderr]     Checking fera-unionfind v0.1.0 (/source)
Dec 12 15:07:51.984 INFO [stderr]     Checking unicode-bidi v0.3.3
Dec 12 15:07:54.344 INFO [stderr]     Checking idna v0.1.5
Dec 12 15:07:56.738 INFO [stderr]     Checking url v1.7.2
Dec 12 15:07:58.544 INFO [stderr]     Checking version-sync v0.4.0
Dec 12 15:08:02.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.01s
Dec 12 15:08:02.940 INFO [stderr] su: No module specific data is present
Dec 12 15:08:03.492 INFO running `"docker" "inspect" "8fcbd744605437032b7a1d8c1a823b681067a358e38031f726b778a8616b99e1"`
Dec 12 15:08:03.791 INFO running `"docker" "rm" "-f" "8fcbd744605437032b7a1d8c1a823b681067a358e38031f726b778a8616b99e1"`
Dec 12 15:08:04.139 INFO [stdout] 8fcbd744605437032b7a1d8c1a823b681067a358e38031f726b778a8616b99e1