[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] 6c089e68508067d3e766d17228d21fa9d7f3fb5a
[INFO] checking ondrejholik/sudoku_solver_rust against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fondrejholik%2Fsudoku_solver_rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ondrejholik/sudoku_solver_rust on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1308916139cd5f283e0ff80e5b302feea34195eaf3bdfb87900518b4e1701e1d
[INFO] running `Command { std: "docker" "start" "-a" "1308916139cd5f283e0ff80e5b302feea34195eaf3bdfb87900518b4e1701e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1308916139cd5f283e0ff80e5b302feea34195eaf3bdfb87900518b4e1701e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1308916139cd5f283e0ff80e5b302feea34195eaf3bdfb87900518b4e1701e1d", kill_on_drop: false }`
[INFO] [stdout] 1308916139cd5f283e0ff80e5b302feea34195eaf3bdfb87900518b4e1701e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67183a9135620f08453375ff12f4e0ca6e8c2296e32bb625ec26c87e8892f7b5
[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" "67183a9135620f08453375ff12f4e0ca6e8c2296e32bb625ec26c87e8892f7b5", 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:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |             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:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |             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:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             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] [stderr] error: could not compile `sudoku_solver_rust`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0560]: struct `Sudoku` has no field named `empty`
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "67183a9135620f08453375ff12f4e0ca6e8c2296e32bb625ec26c87e8892f7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67183a9135620f08453375ff12f4e0ca6e8c2296e32bb625ec26c87e8892f7b5", kill_on_drop: false }`
[INFO] [stdout] 67183a9135620f08453375ff12f4e0ca6e8c2296e32bb625ec26c87e8892f7b5