[INFO] cloning repository https://github.com/piotreknow02/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/piotreknow02/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotreknow02%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotreknow02%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5bbf00f2b3ecc890dbb00140a993159d0b4d69b1 [INFO] checking piotreknow02/sudoku-solver against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotreknow02%2Fsudoku-solver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/piotreknow02/sudoku-solver [INFO] finished tweaking git repo https://github.com/piotreknow02/sudoku-solver [INFO] tweaked toml for git repo https://github.com/piotreknow02/sudoku-solver written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/piotreknow02/sudoku-solver on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/piotreknow02/sudoku-solver 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anstyle v1.0.1 [INFO] [stderr] Downloaded windows-targets v0.48.2 [INFO] [stderr] Downloaded anstyle-wincon v1.0.2 [INFO] [stderr] Downloaded clap_lex v0.5.0 [INFO] [stderr] Downloaded serde v1.0.183 [INFO] [stderr] Downloaded errno v0.3.2 [INFO] [stderr] Downloaded clap_derive v4.3.12 [INFO] [stderr] Downloaded cc v1.0.82 [INFO] [stderr] Downloaded clap v4.3.21 [INFO] [stderr] Downloaded clap_builder v4.3.21 [INFO] [stderr] Downloaded serde_json v1.0.104 [INFO] [stderr] Downloaded syn v2.0.28 [INFO] [stderr] Downloaded rustix v0.38.8 [INFO] [stderr] Downloaded serde_derive v1.0.183 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.48.2 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.48.2 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.48.2 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.2 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.2 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.48.2 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 34d7972518bc96171c5aecd05cb19ffe880da46279a4dc7f0bf583ac9b355a7d [INFO] running `Command { std: "docker" "start" "-a" "34d7972518bc96171c5aecd05cb19ffe880da46279a4dc7f0bf583ac9b355a7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34d7972518bc96171c5aecd05cb19ffe880da46279a4dc7f0bf583ac9b355a7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34d7972518bc96171c5aecd05cb19ffe880da46279a4dc7f0bf583ac9b355a7d", kill_on_drop: false }` [INFO] [stdout] 34d7972518bc96171c5aecd05cb19ffe880da46279a4dc7f0bf583ac9b355a7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35d0be95c69cf82e87c8a2562d9c494165c7cd8a05737d043f51fcc30b26013a [INFO] running `Command { std: "docker" "start" "-a" "35d0be95c69cf82e87c8a2562d9c494165c7cd8a05737d043f51fcc30b26013a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling rustix v0.38.8 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.183 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking clap_builder v4.3.21 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Checking clap v4.3.21 [INFO] [stderr] Checking sudoku-solver v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/tokenizer.rs:18:59 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn save_json(&self, path: &str) -> Result<(), Box<(dyn StdError)>> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 18 - pub fn save_json(&self, path: &str) -> Result<(), Box<(dyn StdError)>> { [INFO] [stdout] 18 + pub fn save_json(&self, path: &str) -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/tokenizer.rs:18:59 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn save_json(&self, path: &str) -> Result<(), Box<(dyn StdError)>> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 18 - pub fn save_json(&self, path: &str) -> Result<(), Box<(dyn StdError)>> { [INFO] [stdout] 18 + pub fn save_json(&self, path: &str) -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.30s [INFO] running `Command { std: "docker" "inspect" "35d0be95c69cf82e87c8a2562d9c494165c7cd8a05737d043f51fcc30b26013a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35d0be95c69cf82e87c8a2562d9c494165c7cd8a05737d043f51fcc30b26013a", kill_on_drop: false }` [INFO] [stdout] 35d0be95c69cf82e87c8a2562d9c494165c7cd8a05737d043f51fcc30b26013a