[INFO] cloning repository https://github.com/Pluriscient/rust-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/Pluriscient/rust-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Frust-sudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Frust-sudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59e93cb54827eb3c1977405ddcadf052ed1f8ef4
[INFO] testing Pluriscient/rust-sudoku-solver against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Frust-sudoku-solver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pluriscient/rust-sudoku-solver on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pluriscient/rust-sudoku-solver
[INFO] finished tweaking git repo https://github.com/Pluriscient/rust-sudoku-solver
[INFO] tweaked toml for git repo https://github.com/Pluriscient/rust-sudoku-solver written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Pluriscient/rust-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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56e083737e17fec32b0190ece2a649c738e0d508d1199849717a22730f8d81df
[INFO] running `Command { std: "docker" "start" "-a" "56e083737e17fec32b0190ece2a649c738e0d508d1199849717a22730f8d81df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56e083737e17fec32b0190ece2a649c738e0d508d1199849717a22730f8d81df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e083737e17fec32b0190ece2a649c738e0d508d1199849717a22730f8d81df", kill_on_drop: false }`
[INFO] [stdout] 56e083737e17fec32b0190ece2a649c738e0d508d1199849717a22730f8d81df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d313d95403b31edb4228dc4c45e02042ecacfc51254f1339d23bfbbf0dceb30
[INFO] running `Command { std: "docker" "start" "-a" "7d313d95403b31edb4228dc4c45e02042ecacfc51254f1339d23bfbbf0dceb30", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/sudokutwo.rs:138:61
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 1 if !pos_locs[0].1.is_fixed() => self.data.borrow_mut()[indices[pos_locs[0].0]] = mask,
[INFO] [stdout]     |                                                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 1 if !pos_locs[0].1.is_fixed() => <[u16; 81] as BorrowMut<Borrowed>>::borrow_mut(&mut self.data)[indices[pos_locs[0].0]] = mask,
[INFO] [stdout]     |                                                   +++++++++++++++++++++++++++++++++++++++++++++++++++          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sudokutwo::sudoku_api::SudokuApi`
[INFO] [stdout]  --> src/sudokutwo.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::sudokutwo::sudoku_api::SudokuApi;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudoku-solver` (bin "sudoku-solver") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7d313d95403b31edb4228dc4c45e02042ecacfc51254f1339d23bfbbf0dceb30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d313d95403b31edb4228dc4c45e02042ecacfc51254f1339d23bfbbf0dceb30", kill_on_drop: false }`
[INFO] [stdout] 7d313d95403b31edb4228dc4c45e02042ecacfc51254f1339d23bfbbf0dceb30
