[INFO] cloning repository https://github.com/H2CO3/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/H2CO3/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH2CO3%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH2CO3%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e62adee840042e0fa2e6b961626bce4a08b0889
[INFO] testing H2CO3/sudoku against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH2CO3%2Fsudoku" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/H2CO3/sudoku on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/H2CO3/sudoku
[INFO] finished tweaking git repo https://github.com/H2CO3/sudoku
[INFO] tweaked toml for git repo https://github.com/H2CO3/sudoku written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/H2CO3/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69c64a832321c0dd2dfff5e3959b1add77aa2283ae3f0f8b8dda6c27e776a046
[INFO] running `Command { std: "docker" "start" "-a" "69c64a832321c0dd2dfff5e3959b1add77aa2283ae3f0f8b8dda6c27e776a046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69c64a832321c0dd2dfff5e3959b1add77aa2283ae3f0f8b8dda6c27e776a046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c64a832321c0dd2dfff5e3959b1add77aa2283ae3f0f8b8dda6c27e776a046", kill_on_drop: false }`
[INFO] [stdout] 69c64a832321c0dd2dfff5e3959b1add77aa2283ae3f0f8b8dda6c27e776a046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34e95ce9cfebde4e11df8ba4961f4f5b119aa1380f7d886266542e9be39d8a47
[INFO] running `Command { std: "docker" "start" "-a" "34e95ce9cfebde4e11df8ba4961f4f5b119aa1380f7d886266542e9be39d8a47", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]    --> src/main.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let s2 = Grid {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[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 1.07s
[INFO] running `Command { std: "docker" "inspect" "34e95ce9cfebde4e11df8ba4961f4f5b119aa1380f7d886266542e9be39d8a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e95ce9cfebde4e11df8ba4961f4f5b119aa1380f7d886266542e9be39d8a47", kill_on_drop: false }`
[INFO] [stdout] 34e95ce9cfebde4e11df8ba4961f4f5b119aa1380f7d886266542e9be39d8a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a56e7c1d2786b62f5a8b7dfc71d249a2c0f28702c645e9aa08090d0e055615a6
[INFO] running `Command { std: "docker" "start" "-a" "a56e7c1d2786b62f5a8b7dfc71d249a2c0f28702c645e9aa08090d0e055615a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]    --> src/main.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let s2 = Grid {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[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 0.65s
[INFO] running `Command { std: "docker" "inspect" "a56e7c1d2786b62f5a8b7dfc71d249a2c0f28702c645e9aa08090d0e055615a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56e7c1d2786b62f5a8b7dfc71d249a2c0f28702c645e9aa08090d0e055615a6", kill_on_drop: false }`
[INFO] [stdout] a56e7c1d2786b62f5a8b7dfc71d249a2c0f28702c645e9aa08090d0e055615a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9861d74b37ee00e7a4ffa07a3c4e60fa842b60ff77cf968518039fef98e0b375
[INFO] running `Command { std: "docker" "start" "-a" "9861d74b37ee00e7a4ffa07a3c4e60fa842b60ff77cf968518039fef98e0b375", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `s2`
[INFO] [stderr]    --> src/main.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let s2 = Grid {
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku` (bin "sudoku" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-054a5de51d9afc24)
[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" "9861d74b37ee00e7a4ffa07a3c4e60fa842b60ff77cf968518039fef98e0b375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9861d74b37ee00e7a4ffa07a3c4e60fa842b60ff77cf968518039fef98e0b375", kill_on_drop: false }`
[INFO] [stdout] 9861d74b37ee00e7a4ffa07a3c4e60fa842b60ff77cf968518039fef98e0b375