[INFO] cloning repository https://github.com/Mesoptier/nurikabe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mesoptier/nurikabe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesoptier%2Fnurikabe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesoptier%2Fnurikabe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d9e8086ed05a40806d49a8f4d8e3f49aa7eea3a
[INFO] checking Mesoptier/nurikabe/5d9e8086ed05a40806d49a8f4d8e3f49aa7eea3a against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesoptier%2Fnurikabe" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mesoptier/nurikabe on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mesoptier/nurikabe
[INFO] finished tweaking git repo https://github.com/Mesoptier/nurikabe
[INFO] tweaked toml for git repo https://github.com/Mesoptier/nurikabe written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mesoptier/nurikabe 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2367a9d02197b5b3dd3ea5072f353e103a47be50b464dd554b4a7746810c9b99
[INFO] running `Command { std: "docker" "start" "-a" "2367a9d02197b5b3dd3ea5072f353e103a47be50b464dd554b4a7746810c9b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2367a9d02197b5b3dd3ea5072f353e103a47be50b464dd554b4a7746810c9b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2367a9d02197b5b3dd3ea5072f353e103a47be50b464dd554b4a7746810c9b99", kill_on_drop: false }`
[INFO] [stdout] 2367a9d02197b5b3dd3ea5072f353e103a47be50b464dd554b4a7746810c9b99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25ad760b395c1f79a2d584a5a7c872874af924996da3abfe92234a2150fb5965
[INFO] running `Command { std: "docker" "start" "-a" "25ad760b395c1f79a2d584a5a7c872874af924996da3abfe92234a2150fb5965", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling cc v1.0.86
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking dtoa-short v0.3.4
[INFO] [stderr]    Compiling quote v1.0.35
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[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking unicode-bidi v0.3.15
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[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.1
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[INFO] [stderr]    Compiling openssl-sys v0.9.100
[INFO] [stderr]     Checking unicode-normalization v0.1.23
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[INFO] [stderr]     Checking servo_arc v0.3.0
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[INFO] [stderr]     Checking tokio v1.36.0
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[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking nurikabe v0.1.0 (/opt/rustwide/workdir/solver)
[INFO] [stdout] warning: methods `is_white` and `is_black` are never used
[INFO] [stdout]   --> solver/src/grid/mod.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub(crate) fn is_white(self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn is_black(self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_white` and `is_black` are never used
[INFO] [stdout]   --> solver/src/grid/mod.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub(crate) fn is_white(self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn is_black(self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling selectors v0.25.0
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking cssparser v0.31.2
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking scraper v0.18.1
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[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.24
[INFO] [stderr]     Checking scrape v0.1.0 (/opt/rustwide/workdir/scrape)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> scrape/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum PuzzleType {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 10 |     Easy5x5,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     Easy7x7,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     Easy10x10,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     Easy12x12,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     Easy15x15,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     Easy20x20,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     Hard5x5,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     Hard7x7,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 18 |     Hard10x10,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 19 |     Hard12x12,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> scrape/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum PuzzleType {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 10 |     Easy5x5,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     Easy7x7,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     Easy10x10,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     Easy12x12,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     Easy15x15,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     Easy20x20,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     Hard5x5,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     Hard7x7,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 18 |     Hard10x10,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 19 |     Hard12x12,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.99s
[INFO] running `Command { std: "docker" "inspect" "25ad760b395c1f79a2d584a5a7c872874af924996da3abfe92234a2150fb5965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ad760b395c1f79a2d584a5a7c872874af924996da3abfe92234a2150fb5965", kill_on_drop: false }`
[INFO] [stdout] 25ad760b395c1f79a2d584a5a7c872874af924996da3abfe92234a2150fb5965