[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] building Pluriscient/rust-sudoku-solver against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Frust-sudoku-solver" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pluriscient/rust-sudoku-solver on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-3/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: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfc3dc875b487cb549aedf43390311b1bd324ae51e1bf0d4ff58e7781b798894
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bfc3dc875b487cb549aedf43390311b1bd324ae51e1bf0d4ff58e7781b798894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc3dc875b487cb549aedf43390311b1bd324ae51e1bf0d4ff58e7781b798894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc3dc875b487cb549aedf43390311b1bd324ae51e1bf0d4ff58e7781b798894", kill_on_drop: false }`
[INFO] [stdout] bfc3dc875b487cb549aedf43390311b1bd324ae51e1bf0d4ff58e7781b798894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7cd407fc6b658722306ed43dd88349b877684e109a9748a015eaeabf0d1cf0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d7cd407fc6b658722306ed43dd88349b877684e109a9748a015eaeabf0d1cf0d", 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]     |                                                   |         cannot infer type for type parameter `Borrowed` declared on the trait `BorrowMut`
[INFO] [stdout]     |                                                   this method call resolves to `&mut Borrowed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: type must be known at this point
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d7cd407fc6b658722306ed43dd88349b877684e109a9748a015eaeabf0d1cf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cd407fc6b658722306ed43dd88349b877684e109a9748a015eaeabf0d1cf0d", kill_on_drop: false }`
[INFO] [stdout] d7cd407fc6b658722306ed43dd88349b877684e109a9748a015eaeabf0d1cf0d
