[INFO] updating cached repository lalaithion/errorcorrection
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lalaithion/errorcorrection
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lalaithion/errorcorrection" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/lalaithion/errorcorrection"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/lalaithion/errorcorrection'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lalaithion/errorcorrection" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/lalaithion/errorcorrection"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/lalaithion/errorcorrection'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 740c0b708c0158a7c86cfa9fc78375afaf523807
[INFO] sha for GitHub repo lalaithion/errorcorrection: 740c0b708c0158a7c86cfa9fc78375afaf523807
[INFO] validating manifest of lalaithion/errorcorrection on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lalaithion/errorcorrection on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lalaithion/errorcorrection
[INFO] finished frobbing lalaithion/errorcorrection
[INFO] frobbed toml for lalaithion/errorcorrection written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/lalaithion/errorcorrection/Cargo.toml
[INFO] started frobbing lalaithion/errorcorrection
[INFO] finished frobbing lalaithion/errorcorrection
[INFO] frobbed toml for lalaithion/errorcorrection written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/lalaithion/errorcorrection/Cargo.toml
[INFO] crate lalaithion/errorcorrection has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lalaithion/errorcorrection against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-0/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/lalaithion/errorcorrection:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a8b55c121eec63243e5286d9b6206e1afc3f8bf5b8ed7e360097bb5f1e454732
[INFO] running `"docker" "start" "-a" "a8b55c121eec63243e5286d9b6206e1afc3f8bf5b8ed7e360097bb5f1e454732"`
[INFO] [stderr]     Checking eccfile v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type alias is never used: `MatchWords`
[INFO] [stderr]   --> src/bitvec.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | type MatchWords<'a> = Chain<Enumerate<Blocks<'a>>, Skip<Take<Enumerate<Repeat<u32>>>>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/hamming.rs:377:14
[INFO] [stderr]     |
[INFO] [stderr] 377 |         let (i, result) = arrange(&plain, i, 3);
[INFO] [stderr]     |              ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `MatchWords`
[INFO] [stderr]   --> src/bitvec.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | type MatchWords<'a> = Chain<Enumerate<Blocks<'a>>, Skip<Take<Enumerate<Repeat<u32>>>>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "a8b55c121eec63243e5286d9b6206e1afc3f8bf5b8ed7e360097bb5f1e454732"`
[INFO] running `"docker" "rm" "-f" "a8b55c121eec63243e5286d9b6206e1afc3f8bf5b8ed7e360097bb5f1e454732"`
[INFO] [stdout] a8b55c121eec63243e5286d9b6206e1afc3f8bf5b8ed7e360097bb5f1e454732