[INFO] updating cached repository DemarcatedTitle/replicate.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DemarcatedTitle/replicate.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DemarcatedTitle/replicate.rs" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/DemarcatedTitle/replicate.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/DemarcatedTitle/replicate.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DemarcatedTitle/replicate.rs" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/DemarcatedTitle/replicate.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/DemarcatedTitle/replicate.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da5076833539dd90fa70f125850b5a2baa6d8cd2
[INFO] sha for GitHub repo DemarcatedTitle/replicate.rs: da5076833539dd90fa70f125850b5a2baa6d8cd2
[INFO] validating manifest of DemarcatedTitle/replicate.rs on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DemarcatedTitle/replicate.rs on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DemarcatedTitle/replicate.rs
[INFO] finished frobbing DemarcatedTitle/replicate.rs
[INFO] frobbed toml for DemarcatedTitle/replicate.rs written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/DemarcatedTitle/replicate.rs/Cargo.toml
[INFO] started frobbing DemarcatedTitle/replicate.rs
[INFO] finished frobbing DemarcatedTitle/replicate.rs
[INFO] frobbed toml for DemarcatedTitle/replicate.rs written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/DemarcatedTitle/replicate.rs/Cargo.toml
[INFO] crate DemarcatedTitle/replicate.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DemarcatedTitle/replicate.rs against master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-3/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/DemarcatedTitle/replicate.rs:/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" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a2c9da7dc45ce7cd4e8f2e22848f9aa4720313259981bcc14e950b1fa09921d
[INFO] running `"docker" "start" "-a" "3a2c9da7dc45ce7cd4e8f2e22848f9aa4720313259981bcc14e950b1fa09921d"`
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking replicate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `usize`
[INFO] [stderr]   --> src/lib.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Some(usize) => {
[INFO] [stderr]    |              ^^^^^ help: consider prefixing with an underscore: `_usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `usize`
[INFO] [stderr]   --> src/lib.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Some(usize) => {
[INFO] [stderr]    |              ^^^^^ help: consider prefixing with an underscore: `_usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `"docker" "inspect" "3a2c9da7dc45ce7cd4e8f2e22848f9aa4720313259981bcc14e950b1fa09921d"`
[INFO] running `"docker" "rm" "-f" "3a2c9da7dc45ce7cd4e8f2e22848f9aa4720313259981bcc14e950b1fa09921d"`
[INFO] [stdout] 3a2c9da7dc45ce7cd4e8f2e22848f9aa4720313259981bcc14e950b1fa09921d