Nov 28 15:33:12.689 INFO checking websocket-lite-0.2.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 15:33:12.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 15:33:13.156 INFO [stdout] 2a0b97a882438419c82dbeb110d94cb8a9bd216ba0e756791049e19f569b5df7
Nov 28 15:33:13.162 INFO running `"docker" "start" "-a" "2a0b97a882438419c82dbeb110d94cb8a9bd216ba0e756791049e19f569b5df7"`
Nov 28 15:33:14.400 INFO [stderr] usermod: no changes
Nov 28 15:33:14.632 INFO [stderr]    Compiling syn v0.15.22
Nov 28 15:33:14.632 INFO [stderr]     Checking env_logger v0.5.13
Nov 28 15:33:14.632 INFO [stderr]     Checking websocket-lite v0.2.1 (/source)
Nov 28 15:33:17.513 INFO [stderr]     Checking quickcheck v0.7.2
Nov 28 15:33:30.054 INFO [stderr]    Compiling structopt-derive v0.2.13
Nov 28 15:33:35.520 INFO [stderr]     Checking structopt v0.2.13
Nov 28 15:33:52.562 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.13s
Nov 28 15:33:52.593 INFO [stderr] su: No module specific data is present
Nov 28 15:33:54.242 INFO running `"docker" "inspect" "2a0b97a882438419c82dbeb110d94cb8a9bd216ba0e756791049e19f569b5df7"`
Nov 28 15:33:54.532 INFO running `"docker" "rm" "-f" "2a0b97a882438419c82dbeb110d94cb8a9bd216ba0e756791049e19f569b5df7"`
Nov 28 15:33:54.792 INFO [stdout] 2a0b97a882438419c82dbeb110d94cb8a9bd216ba0e756791049e19f569b5df7