[INFO] cloning repository https://github.com/TheoVanderkooy/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheoVanderkooy/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheoVanderkooy%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheoVanderkooy%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e87fc5ad005d52ae0b7a94266c131c7fb19c6381
[INFO] testing TheoVanderkooy/sudoku against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheoVanderkooy%2Fsudoku" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheoVanderkooy/sudoku on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheoVanderkooy/sudoku
[INFO] finished tweaking git repo https://github.com/TheoVanderkooy/sudoku
[INFO] tweaked toml for git repo https://github.com/TheoVanderkooy/sudoku written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/TheoVanderkooy/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e0b829f1976ca60cd4a6fb701c8b159d1ddd8028b7d28a172b3a2de9a0a55b0
[INFO] running `Command { std: "docker" "start" "-a" "0e0b829f1976ca60cd4a6fb701c8b159d1ddd8028b7d28a172b3a2de9a0a55b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e0b829f1976ca60cd4a6fb701c8b159d1ddd8028b7d28a172b3a2de9a0a55b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0b829f1976ca60cd4a6fb701c8b159d1ddd8028b7d28a172b3a2de9a0a55b0", kill_on_drop: false }`
[INFO] [stdout] 0e0b829f1976ca60cd4a6fb701c8b159d1ddd8028b7d28a172b3a2de9a0a55b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15260784c0f9454c297c71ce07a1ff77cecea27f7b7efd7c153f7a2dfb7a14be
[INFO] running `Command { std: "docker" "start" "-a" "15260784c0f9454c297c71ce07a1ff77cecea27f7b7efd7c153f7a2dfb7a14be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/sudoku/board.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn check_row(r: u8) -> bool {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.54s
[INFO] running `Command { std: "docker" "inspect" "15260784c0f9454c297c71ce07a1ff77cecea27f7b7efd7c153f7a2dfb7a14be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15260784c0f9454c297c71ce07a1ff77cecea27f7b7efd7c153f7a2dfb7a14be", kill_on_drop: false }`
[INFO] [stdout] 15260784c0f9454c297c71ce07a1ff77cecea27f7b7efd7c153f7a2dfb7a14be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bff1af6c47266a72d57f819a02e0c0b741c9887ddb287bfe526ad77d7c2a73a
[INFO] running `Command { std: "docker" "start" "-a" "5bff1af6c47266a72d57f819a02e0c0b741c9887ddb287bfe526ad77d7c2a73a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/sudoku/board.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn check_row(r: u8) -> bool {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/sudoku/board.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn check_row(r: u8) -> bool {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku-1d82d169584442c7)
[INFO] [stderr]   Executable unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-4b2ed67cd3769b99)
[INFO] [stderr]   Executable tests/board.rs (/opt/rustwide/target/debug/deps/board-b968d67a6beef328)
[INFO] running `Command { std: "docker" "inspect" "5bff1af6c47266a72d57f819a02e0c0b741c9887ddb287bfe526ad77d7c2a73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bff1af6c47266a72d57f819a02e0c0b741c9887ddb287bfe526ad77d7c2a73a", kill_on_drop: false }`
[INFO] [stdout] 5bff1af6c47266a72d57f819a02e0c0b741c9887ddb287bfe526ad77d7c2a73a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d97b835e9d8a72a4f1ed692970dfb97b1d908c0cb63578b1a1a075a5042eebc
[INFO] running `Command { std: "docker" "start" "-a" "6d97b835e9d8a72a4f1ed692970dfb97b1d908c0cb63578b1a1a075a5042eebc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/sudoku/board.rs:52:22
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn check_row(r: u8) -> bool {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku` (lib) generated 1 warning
[INFO] [stderr] warning: `sudoku` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku-1d82d169584442c7)
[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] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-4b2ed67cd3769b99)
[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] [stderr]      Running tests/board.rs (/opt/rustwide/target/debug/deps/board-b968d67a6beef328)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_print_board ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/sudoku/tile.rs - sudoku::tile::Tile::set (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d97b835e9d8a72a4f1ed692970dfb97b1d908c0cb63578b1a1a075a5042eebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d97b835e9d8a72a4f1ed692970dfb97b1d908c0cb63578b1a1a075a5042eebc", kill_on_drop: false }`
[INFO] [stdout] 6d97b835e9d8a72a4f1ed692970dfb97b1d908c0cb63578b1a1a075a5042eebc