Dec 12 15:09:07.834 INFO checking fec-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 15:09:07.834 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 15:09:08.109 INFO [stdout] 1e98a4ce24e1512969ea540c6e696f7389dbeec4e20f09a5548a063adc3fa348
Dec 12 15:09:08.113 INFO running `"docker" "start" "-a" "1e98a4ce24e1512969ea540c6e696f7389dbeec4e20f09a5548a063adc3fa348"`
Dec 12 15:09:09.224 INFO [stderr] usermod: no changes
Dec 12 15:09:09.292 INFO [stderr]     Checking fec v0.1.0 (/source)
Dec 12 15:09:10.278 INFO [stderr] warning: method is never used: `len`
Dec 12 15:09:10.278 INFO [stderr]    --> src/convolutional/bit.rs:177:5
Dec 12 15:09:10.278 INFO [stderr]     |
Dec 12 15:09:10.278 INFO [stderr] 177 |     pub fn len(&self) -> usize {
Dec 12 15:09:10.278 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:09:10.278 INFO [stderr]     |
Dec 12 15:09:10.278 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 15:09:10.278 INFO [stderr] 
Dec 12 15:09:10.756 INFO [stderr] warning: method is never used: `len`
Dec 12 15:09:10.756 INFO [stderr]    --> src/convolutional/bit.rs:177:5
Dec 12 15:09:10.756 INFO [stderr]     |
Dec 12 15:09:10.756 INFO [stderr] 177 |     pub fn len(&self) -> usize {
Dec 12 15:09:10.756 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:09:10.756 INFO [stderr]     |
Dec 12 15:09:10.756 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 15:09:10.756 INFO [stderr] 
Dec 12 15:09:11.086 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
Dec 12 15:09:11.089 INFO [stderr] su: No module specific data is present
Dec 12 15:09:11.765 INFO running `"docker" "inspect" "1e98a4ce24e1512969ea540c6e696f7389dbeec4e20f09a5548a063adc3fa348"`
Dec 12 15:09:11.971 INFO running `"docker" "rm" "-f" "1e98a4ce24e1512969ea540c6e696f7389dbeec4e20f09a5548a063adc3fa348"`
Dec 12 15:09:12.169 INFO [stdout] 1e98a4ce24e1512969ea540c6e696f7389dbeec4e20f09a5548a063adc3fa348