[INFO] cloning repository https://github.com/ArnoldTumukunde/analog-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArnoldTumukunde/analog-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnoldTumukunde%2Fanalog-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnoldTumukunde%2Fanalog-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc5c318e87e2392cea92c29ed7e41e484ebb5d4a
[INFO] testing ArnoldTumukunde/analog-sudoku against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnoldTumukunde%2Fanalog-sudoku" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ArnoldTumukunde/analog-sudoku
[INFO] finished tweaking git repo https://github.com/ArnoldTumukunde/analog-sudoku
[INFO] tweaked toml for git repo https://github.com/ArnoldTumukunde/analog-sudoku written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ArnoldTumukunde/analog-sudoku on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ArnoldTumukunde/analog-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb9f4465fd8e77bfc05d03f3350684a5e6cbc23aab96e94c7b84d484b35e8d4c
[INFO] running `Command { std: "docker" "start" "-a" "eb9f4465fd8e77bfc05d03f3350684a5e6cbc23aab96e94c7b84d484b35e8d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb9f4465fd8e77bfc05d03f3350684a5e6cbc23aab96e94c7b84d484b35e8d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9f4465fd8e77bfc05d03f3350684a5e6cbc23aab96e94c7b84d484b35e8d4c", kill_on_drop: false }`
[INFO] [stdout] eb9f4465fd8e77bfc05d03f3350684a5e6cbc23aab96e94c7b84d484b35e8d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13c008cb1429ea04b2de0eb32400f3e9b09a1f1938e6cd75286a420ef2b9cf7f
[INFO] running `Command { std: "docker" "start" "-a" "13c008cb1429ea04b2de0eb32400f3e9b09a1f1938e6cd75286a420ef2b9cf7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling analog-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Sudoku` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Sudoku {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `valid`, `valid_rows`, `valid_columns`, `valid_subgrids`, and `valid_set` are never used
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Sudoku {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 30 |     fn valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn valid_rows(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn valid_columns(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn valid_subgrids(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn valid_set(set: &[u32]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "13c008cb1429ea04b2de0eb32400f3e9b09a1f1938e6cd75286a420ef2b9cf7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c008cb1429ea04b2de0eb32400f3e9b09a1f1938e6cd75286a420ef2b9cf7f", kill_on_drop: false }`
[INFO] [stdout] 13c008cb1429ea04b2de0eb32400f3e9b09a1f1938e6cd75286a420ef2b9cf7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 550e4dbcf08b6608c404528b057e995df7000d999173a8c671de7c8fbe504e91
[INFO] running `Command { std: "docker" "start" "-a" "550e4dbcf08b6608c404528b057e995df7000d999173a8c671de7c8fbe504e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling analog-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Sudoku` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Sudoku {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `valid`, `valid_rows`, `valid_columns`, `valid_subgrids`, and `valid_set` are never used
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Sudoku {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 30 |     fn valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn valid_rows(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn valid_columns(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn valid_subgrids(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn valid_set(set: &[u32]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "550e4dbcf08b6608c404528b057e995df7000d999173a8c671de7c8fbe504e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550e4dbcf08b6608c404528b057e995df7000d999173a8c671de7c8fbe504e91", kill_on_drop: false }`
[INFO] [stdout] 550e4dbcf08b6608c404528b057e995df7000d999173a8c671de7c8fbe504e91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 268a4c2789547bf17c8ffd895b1e5ddadfbd5c586da34c5449e727de82916362
[INFO] running `Command { std: "docker" "start" "-a" "268a4c2789547bf17c8ffd895b1e5ddadfbd5c586da34c5449e727de82916362", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Sudoku` is never constructed
[INFO] [stderr]  --> src/lib.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Sudoku {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `valid`, `valid_rows`, `valid_columns`, `valid_subgrids`, and `valid_set` are never used
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl Sudoku {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 30 |     fn valid(&self) -> bool {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     fn valid_rows(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     fn valid_columns(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     fn valid_subgrids(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn valid_set(set: &[u32]) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `analog-sudoku` (lib) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/analog_sudoku-b042a8920d78daeb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_validate_sudoku ... 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 analog_sudoku
[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" "268a4c2789547bf17c8ffd895b1e5ddadfbd5c586da34c5449e727de82916362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268a4c2789547bf17c8ffd895b1e5ddadfbd5c586da34c5449e727de82916362", kill_on_drop: false }`
[INFO] [stdout] 268a4c2789547bf17c8ffd895b1e5ddadfbd5c586da34c5449e727de82916362
