Dec 05 16:12:36.440 INFO checking bip_utracker-0.4.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 16:12:36.440 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 16:12:36.873 INFO [stdout] 548c894fec52c382e66e3452a71cae555ee0fe7c3d68089b2e548e05f9a98d03
Dec 05 16:12:36.876 INFO running `"docker" "start" "-a" "548c894fec52c382e66e3452a71cae555ee0fe7c3d68089b2e548e05f9a98d03"`
Dec 05 16:12:38.177 INFO [stderr] usermod: no changes
Dec 05 16:12:38.491 INFO [stderr]     Checking miow v0.1.5
Dec 05 16:12:38.511 INFO [stderr]     Checking bip_util v0.5.0
Dec 05 16:12:39.109 INFO [stderr]     Checking mio v0.5.1
Dec 05 16:12:41.401 INFO [stderr]     Checking umio v0.3.0
Dec 05 16:12:41.416 INFO [stderr]     Checking bip_handshake v0.7.1
Dec 05 16:12:47.996 INFO [stderr]     Checking bip_utracker v0.4.0 (/source)
Dec 05 16:13:06.015 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.80s
Dec 05 16:13:06.035 INFO [stderr] su: No module specific data is present
Dec 05 16:13:07.393 INFO running `"docker" "inspect" "548c894fec52c382e66e3452a71cae555ee0fe7c3d68089b2e548e05f9a98d03"`
Dec 05 16:13:07.819 INFO running `"docker" "rm" "-f" "548c894fec52c382e66e3452a71cae555ee0fe7c3d68089b2e548e05f9a98d03"`
Dec 05 16:13:08.239 INFO [stdout] 548c894fec52c382e66e3452a71cae555ee0fe7c3d68089b2e548e05f9a98d03