[INFO] cloning repository https://github.com/ydm/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ydm/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fydm%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fydm%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9063f626dcb7189900939fc2545747c25458d1bd
[INFO] testing ydm/sudoku against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fydm%2Fsudoku" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ydm/sudoku
[INFO] finished tweaking git repo https://github.com/ydm/sudoku
[INFO] tweaked toml for git repo https://github.com/ydm/sudoku written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ydm/sudoku on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ydm/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52f7fd4ab397fd436a6ff62620e0eb96584a5e1628645478004c2f6aa92aea83
[INFO] running `Command { std: "docker" "start" "-a" "52f7fd4ab397fd436a6ff62620e0eb96584a5e1628645478004c2f6aa92aea83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f7fd4ab397fd436a6ff62620e0eb96584a5e1628645478004c2f6aa92aea83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f7fd4ab397fd436a6ff62620e0eb96584a5e1628645478004c2f6aa92aea83", kill_on_drop: false }`
[INFO] [stdout] 52f7fd4ab397fd436a6ff62620e0eb96584a5e1628645478004c2f6aa92aea83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f41dc9519e5836717c9948cd9d11ba54a6b3930a9bcd1469559a709acf443c4
[INFO] running `Command { std: "docker" "start" "-a" "3f41dc9519e5836717c9948cd9d11ba54a6b3930a9bcd1469559a709acf443c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "3f41dc9519e5836717c9948cd9d11ba54a6b3930a9bcd1469559a709acf443c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f41dc9519e5836717c9948cd9d11ba54a6b3930a9bcd1469559a709acf443c4", kill_on_drop: false }`
[INFO] [stdout] 3f41dc9519e5836717c9948cd9d11ba54a6b3930a9bcd1469559a709acf443c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b7c21c6294f56b6718f63149ad8a3a5090165b04e59a7eca3790f8f89ecceb1
[INFO] running `Command { std: "docker" "start" "-a" "8b7c21c6294f56b6718f63149ad8a3a5090165b04e59a7eca3790f8f89ecceb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Sudoku`
[INFO] [stdout]    --> src/rules.rs:134:36
[INFO] [stdout]     |
[INFO] [stdout] 134 |     use crate::structure::{Solver, Sudoku};
[INFO] [stdout]     |                                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "8b7c21c6294f56b6718f63149ad8a3a5090165b04e59a7eca3790f8f89ecceb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7c21c6294f56b6718f63149ad8a3a5090165b04e59a7eca3790f8f89ecceb1", kill_on_drop: false }`
[INFO] [stdout] 8b7c21c6294f56b6718f63149ad8a3a5090165b04e59a7eca3790f8f89ecceb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76cc58602a8a26979d8d1fede6a9322dfad098ad2de1e7686343512401dbce9d
[INFO] running `Command { std: "docker" "start" "-a" "76cc58602a8a26979d8d1fede6a9322dfad098ad2de1e7686343512401dbce9d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Sudoku`
[INFO] [stderr]    --> src/rules.rs:134:36
[INFO] [stderr]     |
[INFO] [stderr] 134 |     use crate::structure::{Solver, Sudoku};
[INFO] [stderr]     |                                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku` (lib test) generated 1 warning (run `cargo fix --lib -p sudoku --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku-bc555e53dbbacf2e)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test rules::test::test_col_rule ... ok
[INFO] [stdout] test structure::tests::test_cell_is_open ... ok
[INFO] [stdout] test structure::tests::test_cell_shut ... ok
[INFO] [stdout] test structure::tests::test_cell_solve ... ok
[INFO] [stdout] test rules::test::test_row_rule ... ok
[INFO] [stdout] test structure::tests::test_sudoku_parse ... ok
[INFO] [stdout] test rules::test::test_square_rule ... ok
[INFO] [stdout] test rules::test::test_single_opt_square_rule ... ok
[INFO] [stdout] test structure::tests::test_sudoku_solve ... ok
[INFO] [stdout] test structure::tests::test_sudoku_display ... ok
[INFO] [stdout] test structure::tests::test_cell_shut_open ... ok
[INFO] [stdout] test rules::test::test_rules ... ok
[INFO] [stdout] test structure::tests::test_cell_is_open_panic2 - should panic ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku-f02f4fdd4572c254)
[INFO] [stdout] test structure::tests::test_cell_is_open_panic - should panic ... ok
[INFO] [stderr]    Doc-tests sudoku
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76cc58602a8a26979d8d1fede6a9322dfad098ad2de1e7686343512401dbce9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cc58602a8a26979d8d1fede6a9322dfad098ad2de1e7686343512401dbce9d", kill_on_drop: false }`
[INFO] [stdout] 76cc58602a8a26979d8d1fede6a9322dfad098ad2de1e7686343512401dbce9d