Dec 04 22:52:32.236 INFO checking alex/otp-cop against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:52:32.236 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 22:52:32.684 INFO [stdout] 99f971a178e915f0461586a0c35f4ae9edbd7821b1942f14399a63731d9d685a
Dec 04 22:52:32.688 INFO running `"docker" "start" "-a" "99f971a178e915f0461586a0c35f4ae9edbd7821b1942f14399a63731d9d685a"`
Dec 04 22:52:33.735 INFO [stderr] usermod: no changes
Dec 04 22:52:34.004 INFO [stderr]     Checking serde v1.0.2
Dec 04 22:52:34.004 INFO [stderr]    Compiling serde_derive v1.0.2
Dec 04 22:52:47.199 INFO [stderr]     Checking serde_json v1.0.1
Dec 04 22:52:49.503 INFO [stderr]     Checking otp-cop v0.1.0 (/source)
Dec 04 22:52:56.456 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.70s
Dec 04 22:52:56.475 INFO [stderr] su: No module specific data is present
Dec 04 22:52:57.167 INFO running `"docker" "inspect" "99f971a178e915f0461586a0c35f4ae9edbd7821b1942f14399a63731d9d685a"`
Dec 04 22:52:57.439 INFO running `"docker" "rm" "-f" "99f971a178e915f0461586a0c35f4ae9edbd7821b1942f14399a63731d9d685a"`
Dec 04 22:52:57.696 INFO [stdout] 99f971a178e915f0461586a0c35f4ae9edbd7821b1942f14399a63731d9d685a