[INFO] cloning repository https://github.com/bluecube/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bluecube/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecube%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecube%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36bfe37f6630fd8e5eee072519a412435a9d029b
[INFO] checking bluecube/sudoku/36bfe37f6630fd8e5eee072519a412435a9d029b against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecube%2Fsudoku" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bluecube/sudoku 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/bluecube/sudoku
[INFO] finished tweaking git repo https://github.com/bluecube/sudoku
[INFO] tweaked toml for git repo https://github.com/bluecube/sudoku written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bluecube/sudoku 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.4.17
[INFO] [stderr]   Downloaded test-strategy v0.3.1
[INFO] [stderr]   Downloaded clap_builder v4.4.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8ae14821b8bb177aecbac9490e6effe419e3b84a282ce36b2409767b23ac2aa2
[INFO] running `Command { std: "docker" "start" "-a" "8ae14821b8bb177aecbac9490e6effe419e3b84a282ce36b2409767b23ac2aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae14821b8bb177aecbac9490e6effe419e3b84a282ce36b2409767b23ac2aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae14821b8bb177aecbac9490e6effe419e3b84a282ce36b2409767b23ac2aa2", kill_on_drop: false }`
[INFO] [stdout] 8ae14821b8bb177aecbac9490e6effe419e3b84a282ce36b2409767b23ac2aa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ed859c64b65d6b085fff34dc7b77e8bcffafa4839b8eb2e9ee337a16240292ba
[INFO] running `Command { std: "docker" "start" "-a" "ed859c64b65d6b085fff34dc7b77e8bcffafa4839b8eb2e9ee337a16240292ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking clap_builder v4.4.17
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/lib.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl BoardBitSets {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 246 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/lib.rs:305:8
[INFO] [stdout]     |
[INFO] [stdout] 271 | impl ValueSet {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 305 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `print_positions` are never used
[INFO] [stdout]    --> src/lib.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 339 | impl PositionSet {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 401 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 405 |     fn print_positions(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking clap v4.4.17
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling structmeta-derive v0.2.0
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]    Compiling structmeta v0.2.0
[INFO] [stderr]    Compiling test-strategy v0.3.1
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/lib.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl BoardBitSets {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 246 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/lib.rs:305:8
[INFO] [stdout]     |
[INFO] [stdout] 271 | impl ValueSet {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 305 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `print_positions` are never used
[INFO] [stdout]    --> src/lib.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 339 | impl PositionSet {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 401 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 405 |     fn print_positions(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.18s
[INFO] running `Command { std: "docker" "inspect" "ed859c64b65d6b085fff34dc7b77e8bcffafa4839b8eb2e9ee337a16240292ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed859c64b65d6b085fff34dc7b77e8bcffafa4839b8eb2e9ee337a16240292ba", kill_on_drop: false }`
[INFO] [stdout] ed859c64b65d6b085fff34dc7b77e8bcffafa4839b8eb2e9ee337a16240292ba