[INFO] cloning repository vintersnow/edit_distance.rs
[INFO] running `"git" "clone" "--bare" "git://github.com/vintersnow/edit_distance.rs.git" "work/cache/sources/gh/vintersnow/edit_distance.rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/vintersnow/edit_distance.rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/vintersnow/edit_distance.rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/vintersnow/edit_distance.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/vintersnow/edit_distance.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vintersnow/edit_distance.rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/vintersnow/edit_distance.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/vintersnow/edit_distance.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a2914343119708430980c38346a214fdfe9d155
[INFO] sha for GitHub repo vintersnow/edit_distance.rs: 4a2914343119708430980c38346a214fdfe9d155
[INFO] validating manifest of vintersnow/edit_distance.rs on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vintersnow/edit_distance.rs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vintersnow/edit_distance.rs
[INFO] finished frobbing vintersnow/edit_distance.rs
[INFO] frobbed toml for vintersnow/edit_distance.rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/vintersnow/edit_distance.rs/Cargo.toml
[INFO] started frobbing vintersnow/edit_distance.rs
[INFO] finished frobbing vintersnow/edit_distance.rs
[INFO] frobbed toml for vintersnow/edit_distance.rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/vintersnow/edit_distance.rs/Cargo.toml
[INFO] crate vintersnow/edit_distance.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing vintersnow/edit_distance.rs against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/vintersnow/edit_distance.rs:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 54d6c2ee522e81342403e8220f7bdc8534f492ee45222a697eebf20a697bb5aa
[INFO] running `"docker" "start" "-a" "54d6c2ee522e81342403e8220f7bdc8534f492ee45222a697eebf20a697bb5aa"`
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling edit_distance v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let mut v: Vec<u32> = vec![0; s2.len()];
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `"docker" "inspect" "54d6c2ee522e81342403e8220f7bdc8534f492ee45222a697eebf20a697bb5aa"`
[INFO] running `"docker" "rm" "-f" "54d6c2ee522e81342403e8220f7bdc8534f492ee45222a697eebf20a697bb5aa"`
[INFO] [stdout] 54d6c2ee522e81342403e8220f7bdc8534f492ee45222a697eebf20a697bb5aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/vintersnow/edit_distance.rs:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 91d8499f2ecd12d7b5ac0ac0f367153c8d2bb10834d91914ed677e8ab2fb3aaf
[INFO] running `"docker" "start" "-a" "91d8499f2ecd12d7b5ac0ac0f367153c8d2bb10834d91914ed677e8ab2fb3aaf"`
[INFO] [stderr]    Compiling edit_distance v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let mut v: Vec<u32> = vec![0; s2.len()];
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "91d8499f2ecd12d7b5ac0ac0f367153c8d2bb10834d91914ed677e8ab2fb3aaf"`
[INFO] running `"docker" "rm" "-f" "91d8499f2ecd12d7b5ac0ac0f367153c8d2bb10834d91914ed677e8ab2fb3aaf"`
[INFO] [stdout] 91d8499f2ecd12d7b5ac0ac0f367153c8d2bb10834d91914ed677e8ab2fb3aaf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/vintersnow/edit_distance.rs:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 340e5343b38030e7c494248650a2576891cda704a594503eb66fd2809c4d29c0
[INFO] running `"docker" "start" "-a" "340e5343b38030e7c494248650a2576891cda704a594503eb66fd2809c4d29c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/edit_distance-6c7a22ba64e0dd45
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "340e5343b38030e7c494248650a2576891cda704a594503eb66fd2809c4d29c0"`
[INFO] running `"docker" "rm" "-f" "340e5343b38030e7c494248650a2576891cda704a594503eb66fd2809c4d29c0"`
[INFO] [stdout] 340e5343b38030e7c494248650a2576891cda704a594503eb66fd2809c4d29c0