[INFO] crate karaorust 0.0.1 is already in cache
[INFO] extracting crate karaorust 0.0.1 into work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/karaorust/0.0.1
[INFO] extracting crate karaorust 0.0.1 into work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/karaorust/0.0.1
[INFO] validating manifest of karaorust-0.0.1 on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of karaorust-0.0.1 on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing karaorust-0.0.1
[INFO] finished frobbing karaorust-0.0.1
[INFO] frobbed toml for karaorust-0.0.1 written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/karaorust/0.0.1/Cargo.toml
[INFO] started frobbing karaorust-0.0.1
[INFO] finished frobbing karaorust-0.0.1
[INFO] frobbed toml for karaorust-0.0.1 written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/karaorust/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking karaorust-0.0.1 against try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-6/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/karaorust/0.0.1:/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" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 36d6ce1c0b73692e0fc65315e370d4daa828d1e8d9f989fe1375da961ff2a6fb
[INFO] running `"docker" "start" "-a" "36d6ce1c0b73692e0fc65315e370d4daa828d1e8d9f989fe1375da961ff2a6fb"`
[INFO] [stderr]     Checking combine v1.3.0
[INFO] [stderr]     Checking karaorust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `parse_karaoke_file`
[INFO] [stderr]  --> src/main.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | use karaorust::{ parse_karaoke_file };
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `"docker" "inspect" "36d6ce1c0b73692e0fc65315e370d4daa828d1e8d9f989fe1375da961ff2a6fb"`
[INFO] running `"docker" "rm" "-f" "36d6ce1c0b73692e0fc65315e370d4daa828d1e8d9f989fe1375da961ff2a6fb"`
[INFO] [stdout] 36d6ce1c0b73692e0fc65315e370d4daa828d1e8d9f989fe1375da961ff2a6fb