Dec 04 16:05:16.551 INFO checking karataliu/showenv against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:05:16.551 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 16:05:17.100 INFO [stdout] e8a055d2b08dc4f84bd641e855dc4e767e1bc8d99a97f0dff4a324768e4ee7d1
Dec 04 16:05:17.103 INFO running `"docker" "start" "-a" "e8a055d2b08dc4f84bd641e855dc4e767e1bc8d99a97f0dff4a324768e4ee7d1"`
Dec 04 16:05:19.143 INFO [stderr] usermod: no changes
Dec 04 16:05:19.377 INFO [stderr]     Checking serde_yaml v0.7.3
Dec 04 16:05:19.377 INFO [stderr]     Checking mustache v0.8.2
Dec 04 16:05:19.395 INFO [stderr]     Checking hyper v0.10.13
Dec 04 16:05:25.287 INFO [stderr]     Checking nickel v0.10.1
Dec 04 16:05:28.244 INFO [stderr]     Checking showenv v0.1.0 (/source)
Dec 04 16:05:30.368 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.18s
Dec 04 16:05:30.371 INFO [stderr] su: No module specific data is present
Dec 04 16:05:30.927 INFO running `"docker" "inspect" "e8a055d2b08dc4f84bd641e855dc4e767e1bc8d99a97f0dff4a324768e4ee7d1"`
Dec 04 16:05:31.161 INFO running `"docker" "rm" "-f" "e8a055d2b08dc4f84bd641e855dc4e767e1bc8d99a97f0dff4a324768e4ee7d1"`
Dec 04 16:05:31.479 INFO [stdout] e8a055d2b08dc4f84bd641e855dc4e767e1bc8d99a97f0dff4a324768e4ee7d1