[INFO] cloning repository https://github.com/ivanovaleksey/de-miner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivanovaleksey/de-miner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanovaleksey%2Fde-miner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanovaleksey%2Fde-miner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df11aa329548f9a5b7b3fb71dbcdc1a8305710ca
[INFO] checking ivanovaleksey/de-miner against master#80ed61fbd64936ed676c2050e7e660b5ad78c9f2 for pr-100555
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanovaleksey%2Fde-miner" "/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/ivanovaleksey/de-miner on toolchain 80ed61fbd64936ed676c2050e7e660b5ad78c9f2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ivanovaleksey/de-miner
[INFO] finished tweaking git repo https://github.com/ivanovaleksey/de-miner
[INFO] tweaked toml for git repo https://github.com/ivanovaleksey/de-miner written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ivanovaleksey/de-miner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.7.7
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7549f17ceca70d40977e328e9454794e731f010a5662b9d5db7194f4b0677b35
[INFO] running `Command { std: "docker" "start" "-a" "7549f17ceca70d40977e328e9454794e731f010a5662b9d5db7194f4b0677b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7549f17ceca70d40977e328e9454794e731f010a5662b9d5db7194f4b0677b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7549f17ceca70d40977e328e9454794e731f010a5662b9d5db7194f4b0677b35", kill_on_drop: false }`
[INFO] [stdout] 7549f17ceca70d40977e328e9454794e731f010a5662b9d5db7194f4b0677b35
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735f79116cba103f2c2225cb2f5173f474ff14140fac290c23d0daf0e67c42ba
[INFO] running `Command { std: "docker" "start" "-a" "735f79116cba103f2c2225cb2f5173f474ff14140fac290c23d0daf0e67c42ba", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stderr]     Checking de-miner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Bomb` and `Safe` are never constructed
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum CellKind {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 7 |     Bomb,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     Safe,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]   = note: `CellKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Bomb` and `Safe` are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum OpenCellKind {
[INFO] [stdout]    |      ------------ variants in this enum
[INFO] [stdout] 13 |     Bomb,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     Safe(usize),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenCellKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parse` is never used
[INFO] [stdout]   --> src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn parse(input: &str) -> Field {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `open` is never used
[INFO] [stdout]   --> src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn open(&self) -> OpenField {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `adjacent` is never used
[INFO] [stdout]    --> src/main.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn adjacent(&self) -> Vec<Cell> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "735f79116cba103f2c2225cb2f5173f474ff14140fac290c23d0daf0e67c42ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735f79116cba103f2c2225cb2f5173f474ff14140fac290c23d0daf0e67c42ba", kill_on_drop: false }`
[INFO] [stdout] 735f79116cba103f2c2225cb2f5173f474ff14140fac290c23d0daf0e67c42ba