[INFO] cloning repository https://github.com/bbush915/sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbush915/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbush915%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbush915%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5a27e3b824507460a729ef37bf0b7c63836f973 [INFO] testing bbush915/sudoku-solver against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbush915%2Fsudoku-solver" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bbush915/sudoku-solver [INFO] finished tweaking git repo https://github.com/bbush915/sudoku-solver [INFO] tweaked toml for git repo https://github.com/bbush915/sudoku-solver written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bbush915/sudoku-solver on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bbush915/sudoku-solver 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen v0.2.68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc28f7ce3c7ab42fbbf0205f4506ba399c3834bf6c094fe6698b536aa6006f2b [INFO] running `Command { std: "docker" "start" "-a" "cc28f7ce3c7ab42fbbf0205f4506ba399c3834bf6c094fe6698b536aa6006f2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc28f7ce3c7ab42fbbf0205f4506ba399c3834bf6c094fe6698b536aa6006f2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc28f7ce3c7ab42fbbf0205f4506ba399c3834bf6c094fe6698b536aa6006f2b", kill_on_drop: false }` [INFO] [stdout] cc28f7ce3c7ab42fbbf0205f4506ba399c3834bf6c094fe6698b536aa6006f2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 6cb39b6f384349a1beccccae484d4ed9359dbcf688b397402d47bd8efcc8bc58 [INFO] running `Command { std: "docker" "start" "-a" "6cb39b6f384349a1beccccae484d4ed9359dbcf688b397402d47bd8efcc8bc58", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Step` is never constructed [INFO] [stdout] --> src/main.rs:108:10 [INFO] [stdout] | [INFO] [stdout] 108 | struct Step { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/main.rs:113:10 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn solve( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_step` is never used [INFO] [stdout] --> src/main.rs:199:6 [INFO] [stdout] | [INFO] [stdout] 199 | fn generate_step(grid: &utils::Cells, index: usize, initial_value: u8) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s [INFO] running `Command { std: "docker" "inspect" "6cb39b6f384349a1beccccae484d4ed9359dbcf688b397402d47bd8efcc8bc58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cb39b6f384349a1beccccae484d4ed9359dbcf688b397402d47bd8efcc8bc58", kill_on_drop: false }` [INFO] [stdout] 6cb39b6f384349a1beccccae484d4ed9359dbcf688b397402d47bd8efcc8bc58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 2c59102acf469e6d148c21166ae3afa0a29b0debc7da0c2dd4d5b48dd09734d6 [INFO] running `Command { std: "docker" "start" "-a" "2c59102acf469e6d148c21166ae3afa0a29b0debc7da0c2dd4d5b48dd09734d6", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Step` is never constructed [INFO] [stdout] --> src/main.rs:108:10 [INFO] [stdout] | [INFO] [stdout] 108 | struct Step { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/main.rs:113:10 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn solve( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_step` is never used [INFO] [stdout] --> src/main.rs:199:6 [INFO] [stdout] | [INFO] [stdout] 199 | fn generate_step(grid: &utils::Cells, index: usize, initial_value: u8) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "2c59102acf469e6d148c21166ae3afa0a29b0debc7da0c2dd4d5b48dd09734d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c59102acf469e6d148c21166ae3afa0a29b0debc7da0c2dd4d5b48dd09734d6", kill_on_drop: false }` [INFO] [stdout] 2c59102acf469e6d148c21166ae3afa0a29b0debc7da0c2dd4d5b48dd09734d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] c33ecb609b5c94f7303f46c85d9ba3a470c4479beb3668b688e6455785d39608 [INFO] running `Command { std: "docker" "start" "-a" "c33ecb609b5c94f7303f46c85d9ba3a470c4479beb3668b688e6455785d39608", kill_on_drop: false }` [INFO] [stderr] warning: struct `Step` is never constructed [INFO] [stderr] --> src/main.rs:108:10 [INFO] [stderr] | [INFO] [stderr] 108 | struct Step { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `solve` is never used [INFO] [stderr] --> src/main.rs:113:10 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn solve( [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `generate_step` is never used [INFO] [stderr] --> src/main.rs:199:6 [INFO] [stderr] | [INFO] [stderr] 199 | fn generate_step(grid: &utils::Cells, index: usize, initial_value: u8) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `sudoku-solver` (bin "sudoku-solver" test) generated 3 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [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/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/sudoku_solver-5fee6feeb5670def) [INFO] running `Command { std: "docker" "inspect" "c33ecb609b5c94f7303f46c85d9ba3a470c4479beb3668b688e6455785d39608", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c33ecb609b5c94f7303f46c85d9ba3a470c4479beb3668b688e6455785d39608", kill_on_drop: false }` [INFO] [stdout] c33ecb609b5c94f7303f46c85d9ba3a470c4479beb3668b688e6455785d39608