Dec 12 16:38:10.454 INFO checking classreader-0.2.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 16:38:10.454 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 16:38:10.745 INFO [stdout] 724627c5b3a0cfe742e47f62a34adb52aab91e5e7a844571e123c1103783f4df
Dec 12 16:38:10.750 INFO running `"docker" "start" "-a" "724627c5b3a0cfe742e47f62a34adb52aab91e5e7a844571e123c1103783f4df"`
Dec 12 16:38:11.466 INFO [stderr] usermod: no changes
Dec 12 16:38:11.513 INFO [stderr]     Checking classreader v0.2.1 (/source)
Dec 12 16:38:12.716 INFO [stderr] warning: unreachable pattern
Dec 12 16:38:12.716 INFO [stderr]    --> src/lib.rs:163:25
Dec 12 16:38:12.716 INFO [stderr]     |
Dec 12 16:38:12.716 INFO [stderr] 163 |                         _ => panic!("unknown frame type {}", frame_type) // impossible
Dec 12 16:38:12.716 INFO [stderr]     |                         ^
Dec 12 16:38:12.728 INFO [stderr]     |
Dec 12 16:38:12.728 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 12 16:38:12.728 INFO [stderr] 
Dec 12 16:38:12.904 INFO [stderr] warning: unreachable pattern
Dec 12 16:38:12.904 INFO [stderr]    --> src/lib.rs:163:25
Dec 12 16:38:12.904 INFO [stderr]     |
Dec 12 16:38:12.904 INFO [stderr] 163 |                         _ => panic!("unknown frame type {}", frame_type) // impossible
Dec 12 16:38:12.904 INFO [stderr]     |                         ^
Dec 12 16:38:12.904 INFO [stderr]     |
Dec 12 16:38:12.904 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 12 16:38:12.904 INFO [stderr] 
Dec 12 16:38:13.857 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
Dec 12 16:38:13.861 INFO [stderr] su: No module specific data is present
Dec 12 16:38:14.270 INFO running `"docker" "inspect" "724627c5b3a0cfe742e47f62a34adb52aab91e5e7a844571e123c1103783f4df"`
Dec 12 16:38:14.420 INFO running `"docker" "rm" "-f" "724627c5b3a0cfe742e47f62a34adb52aab91e5e7a844571e123c1103783f4df"`
Dec 12 16:38:14.584 INFO [stdout] 724627c5b3a0cfe742e47f62a34adb52aab91e5e7a844571e123c1103783f4df