[INFO] crate cluExtIO 0.1.2 is already in cache
[INFO] extracting crate cluExtIO 0.1.2 into work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/reg/cluExtIO/0.1.2
[INFO] extracting crate cluExtIO 0.1.2 into work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/reg/cluExtIO/0.1.2
[INFO] validating manifest of cluExtIO-0.1.2 on toolchain master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cluExtIO-0.1.2 on toolchain try#26f8d250bb3c8a85e812cf663c730ef9e0df9315
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cluExtIO-0.1.2
[INFO] finished frobbing cluExtIO-0.1.2
[INFO] frobbed toml for cluExtIO-0.1.2 written to work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/reg/cluExtIO/0.1.2/Cargo.toml
[INFO] started frobbing cluExtIO-0.1.2
[INFO] finished frobbing cluExtIO-0.1.2
[INFO] frobbed toml for cluExtIO-0.1.2 written to work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/reg/cluExtIO/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cluExtIO-0.1.2 against try#26f8d250bb3c8a85e812cf663c730ef9e0df9315 for pr-57609
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57609/worker-2/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/reg/cluExtIO/0.1.2:/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" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f0d6a5dcf607cc109f6a1a7e6dea52f6dcfcae143212de27e5fc96b6c6a36faa
[INFO] running `"docker" "start" "-a" "f0d6a5dcf607cc109f6a1a7e6dea52f6dcfcae143212de27e5fc96b6c6a36faa"`
[INFO] [stderr]     Checking cluExtIO v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `cluExtIO` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `clu_ext_io`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `cluExtIO` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `clu_ext_io`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "f0d6a5dcf607cc109f6a1a7e6dea52f6dcfcae143212de27e5fc96b6c6a36faa"`
[INFO] running `"docker" "rm" "-f" "f0d6a5dcf607cc109f6a1a7e6dea52f6dcfcae143212de27e5fc96b6c6a36faa"`
[INFO] [stdout] f0d6a5dcf607cc109f6a1a7e6dea52f6dcfcae143212de27e5fc96b6c6a36faa