Dec 04 22:18:15.665 INFO checking asonix/rust-worker-pool against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:18:15.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 22:18:16.216 INFO [stdout] 52e61d3a3ef4b5a3553c8fb5474fda87d4c73fca213e4dcc2a560160c65589be
Dec 04 22:18:16.218 INFO running `"docker" "start" "-a" "52e61d3a3ef4b5a3553c8fb5474fda87d4c73fca213e4dcc2a560160c65589be"`
Dec 04 22:18:18.297 INFO [stderr] usermod: no changes
Dec 04 22:18:18.451 INFO [stderr]     Checking splay_tree v0.2.8
Dec 04 22:18:18.451 INFO [stderr]     Checking handy_async v0.2.12
Dec 04 22:18:18.451 INFO [stderr]     Checking hyper v0.11.6
Dec 04 22:18:24.629 INFO [stderr]     Checking fibers v0.1.8
Dec 04 22:18:27.430 INFO [stderr]     Checking worker-pool v0.1.0 (/source)
Dec 04 22:18:38.325 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.01s
Dec 04 22:18:38.347 INFO [stderr] su: No module specific data is present
Dec 04 22:18:39.639 INFO running `"docker" "inspect" "52e61d3a3ef4b5a3553c8fb5474fda87d4c73fca213e4dcc2a560160c65589be"`
Dec 04 22:18:40.011 INFO running `"docker" "rm" "-f" "52e61d3a3ef4b5a3553c8fb5474fda87d4c73fca213e4dcc2a560160c65589be"`
Dec 04 22:18:40.291 INFO [stdout] 52e61d3a3ef4b5a3553c8fb5474fda87d4c73fca213e4dcc2a560160c65589be