[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] checking ArnoldTumukunde/analog-sudoku against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnoldTumukunde%2Fanalog-sudoku" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArnoldTumukunde/analog-sudoku on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cebe596d17a1076bcf83f65d72c60757439170d360990d14dcb0d9ef500f6be8
[INFO] running `Command { std: "docker" "start" "-a" "cebe596d17a1076bcf83f65d72c60757439170d360990d14dcb0d9ef500f6be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cebe596d17a1076bcf83f65d72c60757439170d360990d14dcb0d9ef500f6be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebe596d17a1076bcf83f65d72c60757439170d360990d14dcb0d9ef500f6be8", kill_on_drop: false }`
[INFO] [stdout] cebe596d17a1076bcf83f65d72c60757439170d360990d14dcb0d9ef500f6be8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b537a4995e298089a8b62fc6e6d90f14c143dfa253d4eb753e5849f24162ab
[INFO] running `Command { std: "docker" "start" "-a" "17b537a4995e298089a8b62fc6e6d90f14c143dfa253d4eb753e5849f24162ab", kill_on_drop: false }`
[INFO] [stderr]     Checking analog-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `grid` is never read
[INFO] [stdout]  --> src/lib.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Sudoku {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 5 |     grid: Vec<Vec<u32>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sudoku` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.32s
[INFO] running `Command { std: "docker" "inspect" "17b537a4995e298089a8b62fc6e6d90f14c143dfa253d4eb753e5849f24162ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b537a4995e298089a8b62fc6e6d90f14c143dfa253d4eb753e5849f24162ab", kill_on_drop: false }`
[INFO] [stdout] 17b537a4995e298089a8b62fc6e6d90f14c143dfa253d4eb753e5849f24162ab
