Dec 05 06:37:51.067 INFO checking skeptic-0.13.3 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:37:51.067 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 05 06:37:51.427 INFO [stdout] d28b1445d72fdcd8b529d18b6f1f5610d671517c8a7e2cd950508ba8b2f28eb4
Dec 05 06:37:51.429 INFO running `"docker" "start" "-a" "d28b1445d72fdcd8b529d18b6f1f5610d671517c8a7e2cd950508ba8b2f28eb4"`
Dec 05 06:37:52.294 INFO [stderr] usermod: no changes
Dec 05 06:37:52.379 INFO [stderr]     Checking error-chain v0.11.0
Dec 05 06:37:53.091 INFO [stderr]     Checking cargo_metadata v0.5.8
Dec 05 06:37:54.696 INFO [stderr]     Checking skeptic v0.13.3 (/source)
Dec 05 06:37:57.489 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
Dec 05 06:37:57.503 INFO [stderr] su: No module specific data is present
Dec 05 06:37:58.368 INFO running `"docker" "inspect" "d28b1445d72fdcd8b529d18b6f1f5610d671517c8a7e2cd950508ba8b2f28eb4"`
Dec 05 06:37:58.701 INFO running `"docker" "rm" "-f" "d28b1445d72fdcd8b529d18b6f1f5610d671517c8a7e2cd950508ba8b2f28eb4"`
Dec 05 06:37:59.035 INFO [stdout] d28b1445d72fdcd8b529d18b6f1f5610d671517c8a7e2cd950508ba8b2f28eb4