[INFO] cloning repository https://github.com/ray-pH/tekiteki-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ray-pH/tekiteki-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray-pH%2Ftekiteki-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray-pH%2Ftekiteki-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb4120c8694d6dca2b2a7a6746e34a8b729252e4
[INFO] testing ray-pH/tekiteki-engine against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray-pH%2Ftekiteki-engine" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ray-pH/tekiteki-engine
[INFO] finished tweaking git repo https://github.com/ray-pH/tekiteki-engine
[INFO] tweaked toml for git repo https://github.com/ray-pH/tekiteki-engine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ray-pH/tekiteki-engine on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ray-pH/tekiteki-engine 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.95
[INFO] [stderr]   Downloaded unicode-ident v1.0.18
[INFO] [stderr]   Downloaded quote v1.0.40
[INFO] [stderr]   Downloaded zerocopy v0.8.25
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.25
[INFO] [stderr]   Downloaded libc v0.2.172
[INFO] [stderr]   Downloaded syn v2.0.101
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 721ef66107515e7dea5feb459bdd565e485f793345447b3e4621343dbb417b7a
[INFO] running `Command { std: "docker" "start" "-a" "721ef66107515e7dea5feb459bdd565e485f793345447b3e4621343dbb417b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "721ef66107515e7dea5feb459bdd565e485f793345447b3e4621343dbb417b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721ef66107515e7dea5feb459bdd565e485f793345447b3e4621343dbb417b7a", kill_on_drop: false }`
[INFO] [stdout] 721ef66107515e7dea5feb459bdd565e485f793345447b3e4621343dbb417b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be81a0a13b7ba50d78fd4f2f4fd7a7c82f1fa4b6b6009ae9be7d308dcf9d0a60
[INFO] running `Command { std: "docker" "start" "-a" "be81a0a13b7ba50d78fd4f2f4fd7a7c82f1fa4b6b6009ae9be7d308dcf9d0a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tekiteki_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_island_or_number` is never used
[INFO] [stdout]   --> src/nurikabe.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl CellState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 17 |     fn is_island_or_number(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "be81a0a13b7ba50d78fd4f2f4fd7a7c82f1fa4b6b6009ae9be7d308dcf9d0a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be81a0a13b7ba50d78fd4f2f4fd7a7c82f1fa4b6b6009ae9be7d308dcf9d0a60", kill_on_drop: false }`
[INFO] [stdout] be81a0a13b7ba50d78fd4f2f4fd7a7c82f1fa4b6b6009ae9be7d308dcf9d0a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca9ee5f59cafb2fab70c44cd85c9b685ede445fe8dae1342b6c1da925fce25d
[INFO] running `Command { std: "docker" "start" "-a" "4ca9ee5f59cafb2fab70c44cd85c9b685ede445fe8dae1342b6c1da925fce25d", kill_on_drop: false }`
[INFO] [stdout] warning: method `is_island_or_number` is never used
[INFO] [stdout]   --> src/nurikabe.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl CellState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 17 |     fn is_island_or_number(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tekiteki_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_island_or_number` is never used
[INFO] [stdout]   --> src/nurikabe.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl CellState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 17 |     fn is_island_or_number(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "4ca9ee5f59cafb2fab70c44cd85c9b685ede445fe8dae1342b6c1da925fce25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca9ee5f59cafb2fab70c44cd85c9b685ede445fe8dae1342b6c1da925fce25d", kill_on_drop: false }`
[INFO] [stdout] 4ca9ee5f59cafb2fab70c44cd85c9b685ede445fe8dae1342b6c1da925fce25d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e3e28c57b0e87b10ba7965d605aab231c6c34e33b07fa5e83f64aaf09020603
[INFO] running `Command { std: "docker" "start" "-a" "8e3e28c57b0e87b10ba7965d605aab231c6c34e33b07fa5e83f64aaf09020603", kill_on_drop: false }`
[INFO] [stderr] warning: method `is_island_or_number` is never used
[INFO] [stderr]   --> src/nurikabe.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl CellState {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] 17 |     fn is_island_or_number(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tekiteki_engine` (lib) generated 1 warning
[INFO] [stderr] warning: `tekiteki_engine` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tekiteki_engine-d2c50cca695ae479)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tekiteki_engine-6839c1030ecd51dd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tekiteki_engine
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e3e28c57b0e87b10ba7965d605aab231c6c34e33b07fa5e83f64aaf09020603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3e28c57b0e87b10ba7965d605aab231c6c34e33b07fa5e83f64aaf09020603", kill_on_drop: false }`
[INFO] [stdout] 8e3e28c57b0e87b10ba7965d605aab231c6c34e33b07fa5e83f64aaf09020603