[INFO] cloning repository mehrati/sudoku_solution
[INFO] running `"git" "clone" "--bare" "git://github.com/mehrati/sudoku_solution.git" "work/cache/sources/gh/mehrati/sudoku_solution"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mehrati/sudoku_solution'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mehrati/sudoku_solution" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mehrati/sudoku_solution"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mehrati/sudoku_solution'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mehrati/sudoku_solution" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mehrati/sudoku_solution"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mehrati/sudoku_solution'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb2eb0dcd28e23f5db86f27940fba6aaf653308a
[INFO] sha for GitHub repo mehrati/sudoku_solution: bb2eb0dcd28e23f5db86f27940fba6aaf653308a
[INFO] validating manifest of mehrati/sudoku_solution 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 mehrati/sudoku_solution 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 mehrati/sudoku_solution
[INFO] finished frobbing mehrati/sudoku_solution
[INFO] frobbed toml for mehrati/sudoku_solution written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mehrati/sudoku_solution/Cargo.toml
[INFO] started frobbing mehrati/sudoku_solution
[INFO] finished frobbing mehrati/sudoku_solution
[INFO] frobbed toml for mehrati/sudoku_solution written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mehrati/sudoku_solution/Cargo.toml
[INFO] crate mehrati/sudoku_solution 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 mehrati/sudoku_solution against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mehrati/sudoku_solution:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] e65344945c4e78880eac3a86523c4815afe8f0994987227cd75d76147b2729e7
[INFO] running `"docker" "start" "-a" "e65344945c4e78880eac3a86523c4815afe8f0994987227cd75d76147b2729e7"`
[INFO] [stderr]    Compiling sudoku_solution v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type `cell` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | type cell = Cell;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Cell`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         Err(e) => panic!("err"),
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]    --> src/main.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let mut arr:[[i32;9];9]= [[0;9];9];
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_arr`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let mut arr:[[i32;9];9]= [[0;9];9];
[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 1.30s
[INFO] running `"docker" "inspect" "e65344945c4e78880eac3a86523c4815afe8f0994987227cd75d76147b2729e7"`
[INFO] running `"docker" "rm" "-f" "e65344945c4e78880eac3a86523c4815afe8f0994987227cd75d76147b2729e7"`
[INFO] [stdout] e65344945c4e78880eac3a86523c4815afe8f0994987227cd75d76147b2729e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mehrati/sudoku_solution:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4b01164800a7cad4f7e4aa39ece3da66dd30b800c57e72273aaf2577290acf3b
[INFO] running `"docker" "start" "-a" "4b01164800a7cad4f7e4aa39ece3da66dd30b800c57e72273aaf2577290acf3b"`
[INFO] [stderr]    Compiling sudoku_solution v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type `cell` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | type cell = Cell;
[INFO] [stderr]    |      ^^^^ help: convert the identifier to upper camel case: `Cell`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         Err(e) => panic!("err"),
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arr`
[INFO] [stderr]    --> src/main.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let mut arr:[[i32;9];9]= [[0;9];9];
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_arr`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let mut arr:[[i32;9];9]= [[0;9];9];
[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 0.81s
[INFO] running `"docker" "inspect" "4b01164800a7cad4f7e4aa39ece3da66dd30b800c57e72273aaf2577290acf3b"`
[INFO] running `"docker" "rm" "-f" "4b01164800a7cad4f7e4aa39ece3da66dd30b800c57e72273aaf2577290acf3b"`
[INFO] [stdout] 4b01164800a7cad4f7e4aa39ece3da66dd30b800c57e72273aaf2577290acf3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mehrati/sudoku_solution:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 8c7a589ab06a5c465df05eb0c628019f760d77d7e5dee3e5f3c028dd7de3cab5
[INFO] running `"docker" "start" "-a" "8c7a589ab06a5c465df05eb0c628019f760d77d7e5dee3e5f3c028dd7de3cab5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solution-516e0018964140b1
[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" "8c7a589ab06a5c465df05eb0c628019f760d77d7e5dee3e5f3c028dd7de3cab5"`
[INFO] running `"docker" "rm" "-f" "8c7a589ab06a5c465df05eb0c628019f760d77d7e5dee3e5f3c028dd7de3cab5"`
[INFO] [stdout] 8c7a589ab06a5c465df05eb0c628019f760d77d7e5dee3e5f3c028dd7de3cab5