[INFO] cloning repository https://github.com/ondrejholik/sudoku_solver_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ondrejholik/sudoku_solver_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fondrejholik%2Fsudoku_solver_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fondrejholik%2Fsudoku_solver_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 547782b9b3f87f627d511cc845d5e4f6110ab6a4
[INFO] checking ondrejholik/sudoku_solver_rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fondrejholik%2Fsudoku_solver_rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ondrejholik/sudoku_solver_rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ondrejholik/sudoku_solver_rust
[INFO] finished tweaking git repo https://github.com/ondrejholik/sudoku_solver_rust
[INFO] tweaked toml for git repo https://github.com/ondrejholik/sudoku_solver_rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ondrejholik/sudoku_solver_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18ba4f1f4cade6b59da2bd80d0493fbdc3ee4f360d3f7ed846956da921e2a519
[INFO] running `Command { std: "docker" "start" "-a" "18ba4f1f4cade6b59da2bd80d0493fbdc3ee4f360d3f7ed846956da921e2a519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18ba4f1f4cade6b59da2bd80d0493fbdc3ee4f360d3f7ed846956da921e2a519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ba4f1f4cade6b59da2bd80d0493fbdc3ee4f360d3f7ed846956da921e2a519", kill_on_drop: false }`
[INFO] [stdout] 18ba4f1f4cade6b59da2bd80d0493fbdc3ee4f360d3f7ed846956da921e2a519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1c6254245ac69d1c5db53e69650ea93f0806b8a0cff6a8018fda4e8f99177ac
[INFO] running `Command { std: "docker" "start" "-a" "f1c6254245ac69d1c5db53e69650ea93f0806b8a0cff6a8018fda4e8f99177ac", kill_on_drop: false }`
[INFO] [stderr]     Checking sudoku_solver_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `e` in this scope
[INFO] [stdout]   --> src/main.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Sudoku { board: b, empty: e }
[INFO] [stdout]    |                                   ^ help: a local variable with a similar name exists: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `e` in this scope
[INFO] [stdout]   --> src/main.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Sudoku { board: b, empty: e }
[INFO] [stdout]    |                                   ^ help: a local variable with a similar name exists: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0560]: struct `Sudoku` has no field named `empty`
[INFO] [stdout]   --> src/main.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Sudoku { board: b, empty: e }
[INFO] [stdout]    |                            ^^^^^ `Sudoku` does not have this field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0560]: struct `Sudoku` has no field named `empty`
[INFO] [stdout]   --> src/main.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Sudoku { board: b, empty: e }
[INFO] [stdout]    |                            ^^^^^ `Sudoku` does not have this field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0560.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0560.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudoku_solver_rust` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f1c6254245ac69d1c5db53e69650ea93f0806b8a0cff6a8018fda4e8f99177ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c6254245ac69d1c5db53e69650ea93f0806b8a0cff6a8018fda4e8f99177ac", kill_on_drop: false }`
[INFO] [stdout] f1c6254245ac69d1c5db53e69650ea93f0806b8a0cff6a8018fda4e8f99177ac