Dec 05 14:00:38.557 INFO checking extended-collections-0.5.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 14:00:38.558 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 14:00:38.820 INFO [stdout] 0e95e2dac9d6df1080368ffce6cd67387819154243ff877d3207df8d432d3a17
Dec 05 14:00:38.822 INFO running `"docker" "start" "-a" "0e95e2dac9d6df1080368ffce6cd67387819154243ff877d3207df8d432d3a17"`
Dec 05 14:00:39.755 INFO [stderr] usermod: no changes
Dec 05 14:00:39.830 INFO [stderr]     Checking crossbeam-utils v0.2.2
Dec 05 14:00:39.830 INFO [stderr]     Checking serde_test v1.0.80
Dec 05 14:00:39.851 INFO [stderr]     Checking probabilistic-collections v0.3.0
Dec 05 14:00:40.516 INFO [stderr]     Checking crossbeam-epoch v0.2.0
Dec 05 14:00:41.551 INFO [stderr]     Checking extended-collections v0.5.0 (/source)
Dec 05 14:00:49.399 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.63s
Dec 05 14:00:49.404 INFO [stderr] su: No module specific data is present
Dec 05 14:00:49.700 INFO running `"docker" "inspect" "0e95e2dac9d6df1080368ffce6cd67387819154243ff877d3207df8d432d3a17"`
Dec 05 14:00:49.791 INFO running `"docker" "rm" "-f" "0e95e2dac9d6df1080368ffce6cd67387819154243ff877d3207df8d432d3a17"`
Dec 05 14:00:49.884 INFO [stdout] 0e95e2dac9d6df1080368ffce6cd67387819154243ff877d3207df8d432d3a17