Dec 18 16:33:56.434 INFO checking fec-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:33:56.434 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/fec/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:33:56.722 INFO [stdout] 6f23746f9fcc0dedcfa03130fe48220ebf6d8ec490d03c8745069449ac30013d
Dec 18 16:33:56.724 INFO running `"docker" "start" "-a" "6f23746f9fcc0dedcfa03130fe48220ebf6d8ec490d03c8745069449ac30013d"`
Dec 18 16:33:58.399 INFO [stderr]     Checking fec v0.1.0 (/opt/crater/workdir)
Dec 18 16:33:58.949 INFO [stderr] warning: method is never used: `len`
Dec 18 16:33:58.949 INFO [stderr]    --> src/convolutional/bit.rs:177:5
Dec 18 16:33:58.949 INFO [stderr]     |
Dec 18 16:33:58.949 INFO [stderr] 177 |     pub fn len(&self) -> usize {
Dec 18 16:33:58.949 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:33:58.949 INFO [stderr]     |
Dec 18 16:33:58.949 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 16:33:58.949 INFO [stderr] 
Dec 18 16:33:59.012 INFO [stderr] warning: method is never used: `len`
Dec 18 16:33:59.012 INFO [stderr]    --> src/convolutional/bit.rs:177:5
Dec 18 16:33:59.012 INFO [stderr]     |
Dec 18 16:33:59.012 INFO [stderr] 177 |     pub fn len(&self) -> usize {
Dec 18 16:33:59.012 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:33:59.012 INFO [stderr]     |
Dec 18 16:33:59.017 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 16:33:59.017 INFO [stderr] 
Dec 18 16:33:59.337 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 18 16:33:59.589 INFO running `"docker" "inspect" "6f23746f9fcc0dedcfa03130fe48220ebf6d8ec490d03c8745069449ac30013d"`
Dec 18 16:33:59.699 INFO running `"docker" "rm" "-f" "6f23746f9fcc0dedcfa03130fe48220ebf6d8ec490d03c8745069449ac30013d"`
Dec 18 16:33:59.790 INFO [stdout] 6f23746f9fcc0dedcfa03130fe48220ebf6d8ec490d03c8745069449ac30013d