[INFO] cloning repository https://github.com/Michael-Gubb/rust-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michael-Gubb/rust-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-Gubb%2Frust-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-Gubb%2Frust-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 639b6dc8030dc46bed23ea1d51adb36df71cce71
[INFO] testing Michael-Gubb/rust-sudoku against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-Gubb%2Frust-sudoku" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Michael-Gubb/rust-sudoku
[INFO] finished tweaking git repo https://github.com/Michael-Gubb/rust-sudoku
[INFO] tweaked toml for git repo https://github.com/Michael-Gubb/rust-sudoku written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Michael-Gubb/rust-sudoku on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Michael-Gubb/rust-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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63f8d9f623ef0f37b1e60cebcfb79c9c472f41308814a711ae8181fbea1e8aae
[INFO] running `Command { std: "docker" "start" "-a" "63f8d9f623ef0f37b1e60cebcfb79c9c472f41308814a711ae8181fbea1e8aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63f8d9f623ef0f37b1e60cebcfb79c9c472f41308814a711ae8181fbea1e8aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f8d9f623ef0f37b1e60cebcfb79c9c472f41308814a711ae8181fbea1e8aae", kill_on_drop: false }`
[INFO] [stdout] 63f8d9f623ef0f37b1e60cebcfb79c9c472f41308814a711ae8181fbea1e8aae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 172994c7cc84b99f1046734516b440c57b3360bdae72b5410f4edfffbef999af
[INFO] running `Command { std: "docker" "start" "-a" "172994c7cc84b99f1046734516b440c57b3360bdae72b5410f4edfffbef999af", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `SudokuRow` is never used
[INFO] [stdout]   --> src/main.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 | enum SudokuRow {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SudokuColumn` is never used
[INFO] [stdout]   --> src/main.rs:82:6
[INFO] [stdout]    |
[INFO] [stdout] 82 | enum SudokuColumn {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FilledSudokuError` is never used
[INFO] [stdout]   --> src/main.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 | enum FilledSudokuError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FilledSudoku` is never constructed
[INFO] [stdout]    --> src/main.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct FilledSudoku {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]    --> src/main.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl FilledSudoku {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 104 |     // Converts from string without formatting, does not check for validity
[INFO] [stdout] 105 |     fn from_string(r: &str) -> Result<FilledSudoku, FilledSudokuError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "172994c7cc84b99f1046734516b440c57b3360bdae72b5410f4edfffbef999af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172994c7cc84b99f1046734516b440c57b3360bdae72b5410f4edfffbef999af", kill_on_drop: false }`
[INFO] [stdout] 172994c7cc84b99f1046734516b440c57b3360bdae72b5410f4edfffbef999af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4368595846fa6350a7546da8f2a5aa64abef7fa0f09c97a7f86a10e23249b11
[INFO] running `Command { std: "docker" "start" "-a" "a4368595846fa6350a7546da8f2a5aa64abef7fa0f09c97a7f86a10e23249b11", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `SudokuRow` is never used
[INFO] [stdout]   --> src/main.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 | enum SudokuRow {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SudokuColumn` is never used
[INFO] [stdout]   --> src/main.rs:82:6
[INFO] [stdout]    |
[INFO] [stdout] 82 | enum SudokuColumn {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "a4368595846fa6350a7546da8f2a5aa64abef7fa0f09c97a7f86a10e23249b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4368595846fa6350a7546da8f2a5aa64abef7fa0f09c97a7f86a10e23249b11", kill_on_drop: false }`
[INFO] [stdout] a4368595846fa6350a7546da8f2a5aa64abef7fa0f09c97a7f86a10e23249b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42e8c8725355297b306c1ca49662f50b534bdafd15b8d57cc0c8c9a81195e779
[INFO] running `Command { std: "docker" "start" "-a" "42e8c8725355297b306c1ca49662f50b534bdafd15b8d57cc0c8c9a81195e779", kill_on_drop: false }`
[INFO] [stderr] warning: enum `SudokuRow` is never used
[INFO] [stderr]   --> src/main.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 69 | enum SudokuRow {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `SudokuColumn` is never used
[INFO] [stderr]   --> src/main.rs:82:6
[INFO] [stderr]    |
[INFO] [stderr] 82 | enum SudokuColumn {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-sudoku` (bin "rust-sudoku" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_sudoku-e8a83955e9a6fceb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::cell_values ... ok
[INFO] [stdout] test test::filled_sudoku ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42e8c8725355297b306c1ca49662f50b534bdafd15b8d57cc0c8c9a81195e779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e8c8725355297b306c1ca49662f50b534bdafd15b8d57cc0c8c9a81195e779", kill_on_drop: false }`
[INFO] [stdout] 42e8c8725355297b306c1ca49662f50b534bdafd15b8d57cc0c8c9a81195e779