[INFO] updating cached repository justinbarclay/diff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justinbarclay/diff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justinbarclay/diff" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/justinbarclay/diff"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/justinbarclay/diff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinbarclay/diff" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/justinbarclay/diff"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/justinbarclay/diff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b474157f4d0d2d2c667ba0bd8f2457eda8ef12e
[INFO] sha for GitHub repo justinbarclay/diff: 3b474157f4d0d2d2c667ba0bd8f2457eda8ef12e
[INFO] validating manifest of justinbarclay/diff on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of justinbarclay/diff on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing justinbarclay/diff
[INFO] finished frobbing justinbarclay/diff
[INFO] frobbed toml for justinbarclay/diff written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/justinbarclay/diff/Cargo.toml
[INFO] started frobbing justinbarclay/diff
[INFO] finished frobbing justinbarclay/diff
[INFO] frobbed toml for justinbarclay/diff written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/justinbarclay/diff/Cargo.toml
[INFO] crate justinbarclay/diff already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking justinbarclay/diff against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/justinbarclay/diff:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ec550464d4806fccd2977a167375e3177fd78ce9b45d44905d1c555596f76a0f
[INFO] running `"docker" "start" "-a" "ec550464d4806fccd2977a167375e3177fd78ce9b45d44905d1c555596f76a0f"`
[INFO] [stderr]     Checking rdiff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/negative_array.rs:52:3
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn get(&self, offset: isize) -> isize {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/negative_array.rs:62:3
[INFO] [stderr]    |
[INFO] [stderr] 62 |   pub fn set(&mut self, offset: isize, value: isize) -> &mut NegativeArray {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "ec550464d4806fccd2977a167375e3177fd78ce9b45d44905d1c555596f76a0f"`
[INFO] running `"docker" "rm" "-f" "ec550464d4806fccd2977a167375e3177fd78ce9b45d44905d1c555596f76a0f"`
[INFO] [stdout] ec550464d4806fccd2977a167375e3177fd78ce9b45d44905d1c555596f76a0f