[INFO] cloning repository https://github.com/ruggeri/sudoku_solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruggeri/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6f77304a6366925acd849c5f564446cb7245b76 [INFO] documenting ruggeri/sudoku_solver against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver" "/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/ruggeri/sudoku_solver on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] finished tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] tweaked toml for git repo https://github.com/ruggeri/sudoku_solver written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/ruggeri/sudoku_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 059e25a301fa457d1e6ceee93d632a55ffad8e30242ea5cfc93e60747692e73f [INFO] running `Command { std: "docker" "start" "-a" "059e25a301fa457d1e6ceee93d632a55ffad8e30242ea5cfc93e60747692e73f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "059e25a301fa457d1e6ceee93d632a55ffad8e30242ea5cfc93e60747692e73f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "059e25a301fa457d1e6ceee93d632a55ffad8e30242ea5cfc93e60747692e73f", kill_on_drop: false }` [INFO] [stdout] 059e25a301fa457d1e6ceee93d632a55ffad8e30242ea5cfc93e60747692e73f [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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] ee6e49aa7a0e3b36ce3f8f1b8df589cc5291147ca0ad22e84e35669577672a31 [INFO] running `Command { std: "docker" "start" "-a" "ee6e49aa7a0e3b36ce3f8f1b8df589cc5291147ca0ad22e84e35669577672a31", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Documenting sudoku_solving v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:68:11 [INFO] [stdout] | [INFO] [stdout] 68 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:128:11 [INFO] [stdout] | [INFO] [stdout] 128 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:177:11 [INFO] [stdout] | [INFO] [stdout] 177 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/group_checker.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `needless_bool` [INFO] [stdout] --> src/checker/group_checker.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [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 8.95s [INFO] running `Command { std: "docker" "inspect" "ee6e49aa7a0e3b36ce3f8f1b8df589cc5291147ca0ad22e84e35669577672a31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee6e49aa7a0e3b36ce3f8f1b8df589cc5291147ca0ad22e84e35669577672a31", kill_on_drop: false }` [INFO] [stdout] ee6e49aa7a0e3b36ce3f8f1b8df589cc5291147ca0ad22e84e35669577672a31 [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=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] eb14e4703571a994daa22fe26e06cb3527eb6c9c8f2b4c185168d3a08bcf04cf [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" "eb14e4703571a994daa22fe26e06cb3527eb6c9c8f2b4c185168d3a08bcf04cf", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Documenting sudoku_solving v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:68:11 [INFO] [stdout] | [INFO] [stdout] 68 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:128:11 [INFO] [stdout] | [INFO] [stdout] 128 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:177:11 [INFO] [stdout] | [INFO] [stdout] 177 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/group_checker.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `needless_bool` [INFO] [stdout] --> src/checker/group_checker.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [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 9.36s [INFO] running `Command { std: "docker" "inspect" "eb14e4703571a994daa22fe26e06cb3527eb6c9c8f2b4c185168d3a08bcf04cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb14e4703571a994daa22fe26e06cb3527eb6c9c8f2b4c185168d3a08bcf04cf", kill_on_drop: false }` [INFO] [stdout] eb14e4703571a994daa22fe26e06cb3527eb6c9c8f2b4c185168d3a08bcf04cf