Oct 31 21:01:34.951 INFO checking sinitcin/poll_engine against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 21:01:34.952 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Oct 31 21:01:35.413 INFO blam! 2c3f8ea3dd8d60417cf197ac2f8059a431481495f2e63c413d8bde9af7668ea3
Oct 31 21:01:35.415 INFO running `"docker" "start" "-a" "2c3f8ea3dd8d60417cf197ac2f8059a431481495f2e63c413d8bde9af7668ea3"`
Oct 31 21:01:37.336 INFO kablam! usermod: no changes
Oct 31 21:01:37.480 INFO kablam!     Checking termios v0.2.2
Oct 31 21:01:37.484 INFO kablam!     Checking serial-core v0.4.0
Oct 31 21:01:37.484 INFO kablam!     Checking ioctl-rs v0.1.6
Oct 31 21:01:37.504 INFO kablam!     Checking uuid v0.5.1
Oct 31 21:01:38.596 INFO kablam!     Checking serial-unix v0.4.0
Oct 31 21:01:39.150 INFO kablam!     Checking serial v0.4.0
Oct 31 21:01:39.459 INFO kablam!     Checking channel v0.1.0 (/source)
Oct 31 21:01:40.312 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
Oct 31 21:01:40.312 INFO kablam! su: No module specific data is present
Oct 31 21:01:41.125 INFO running `"docker" "rm" "-f" "2c3f8ea3dd8d60417cf197ac2f8059a431481495f2e63c413d8bde9af7668ea3"`
Oct 31 21:01:41.428 INFO blam! 2c3f8ea3dd8d60417cf197ac2f8059a431481495f2e63c413d8bde9af7668ea3