[INFO] cloning repository https://github.com/michielp1807/infinite-sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michielp1807/infinite-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichielp1807%2Finfinite-sudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichielp1807%2Finfinite-sudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e32116a14322f8808792b0b3c7bc7f2689d520d2 [INFO] checking michielp1807/infinite-sudoku against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichielp1807%2Finfinite-sudoku" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/michielp1807/infinite-sudoku on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/michielp1807/infinite-sudoku [INFO] finished tweaking git repo https://github.com/michielp1807/infinite-sudoku [INFO] tweaked toml for git repo https://github.com/michielp1807/infinite-sudoku written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/michielp1807/infinite-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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking michielp1807/infinite-sudoku against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichielp1807%2Finfinite-sudoku" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/michielp1807/infinite-sudoku on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/michielp1807/infinite-sudoku [INFO] finished tweaking git repo https://github.com/michielp1807/infinite-sudoku [INFO] tweaked toml for git repo https://github.com/michielp1807/infinite-sudoku written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/michielp1807/infinite-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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2a575de4abaf79b8918b42318f37603db7acfdc6e18f114974d437cb224ac82 [INFO] running `Command { std: "docker" "start" "-a" "a2a575de4abaf79b8918b42318f37603db7acfdc6e18f114974d437cb224ac82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2a575de4abaf79b8918b42318f37603db7acfdc6e18f114974d437cb224ac82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2a575de4abaf79b8918b42318f37603db7acfdc6e18f114974d437cb224ac82", kill_on_drop: false }` [INFO] [stdout] a2a575de4abaf79b8918b42318f37603db7acfdc6e18f114974d437cb224ac82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6113ddc47aebc28b922739f22e70c200587837c6cc9f48f132e7086e1358d85e [INFO] running `Command { std: "docker" "start" "-a" "6113ddc47aebc28b922739f22e70c200587837c6cc9f48f132e7086e1358d85e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.15 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.100 [INFO] [stderr] Compiling bumpalo v3.16.0 [INFO] [stderr] Compiling log v0.4.25 [INFO] [stderr] Compiling rustversion v1.0.19 [INFO] [stderr] Compiling wasm-bindgen v0.2.100 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.100 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.100 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.100 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Checking infinite-sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:239:18 [INFO] [stdout] | [INFO] [stdout] 239 | pub fn block(&self, sudoku: &Sudoku, i: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 239 | pub fn block(&self, sudoku: &Sudoku, i: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:245:16 [INFO] [stdout] | [INFO] [stdout] 245 | pub fn row(&self, sudoku: &Sudoku, y: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 245 | pub fn row(&self, sudoku: &Sudoku, y: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:263:19 [INFO] [stdout] | [INFO] [stdout] 263 | pub fn column(&self, sudoku: &Sudoku, x: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 263 | pub fn column(&self, sudoku: &Sudoku, x: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:291:20 [INFO] [stdout] | [INFO] [stdout] 291 | pub fn row_for(&self, sudoku: &Sudoku, i: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 291 | pub fn row_for(&self, sudoku: &Sudoku, i: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:298:23 [INFO] [stdout] | [INFO] [stdout] 298 | pub fn column_for(&self, sudoku: &Sudoku, i: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 298 | pub fn column_for(&self, sudoku: &Sudoku, i: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:305:22 [INFO] [stdout] | [INFO] [stdout] 305 | pub fn block_for(&self, sudoku: &Sudoku, i: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 305 | pub fn block_for(&self, sudoku: &Sudoku, i: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:239:18 [INFO] [stdout] | [INFO] [stdout] 239 | pub fn block(&self, sudoku: &Sudoku, i: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 239 | pub fn block(&self, sudoku: &Sudoku, i: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:245:16 [INFO] [stdout] | [INFO] [stdout] 245 | pub fn row(&self, sudoku: &Sudoku, y: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 245 | pub fn row(&self, sudoku: &Sudoku, y: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:263:19 [INFO] [stdout] | [INFO] [stdout] 263 | pub fn column(&self, sudoku: &Sudoku, x: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 263 | pub fn column(&self, sudoku: &Sudoku, x: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:291:20 [INFO] [stdout] | [INFO] [stdout] 291 | pub fn row_for(&self, sudoku: &Sudoku, i: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 291 | pub fn row_for(&self, sudoku: &Sudoku, i: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:298:23 [INFO] [stdout] | [INFO] [stdout] 298 | pub fn column_for(&self, sudoku: &Sudoku, i: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 298 | pub fn column_for(&self, sudoku: &Sudoku, i: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sudokus.rs:305:22 [INFO] [stdout] | [INFO] [stdout] 305 | pub fn block_for(&self, sudoku: &Sudoku, i: usize) -> Region> { [INFO] [stdout] | ^^^^^ ----------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 305 | pub fn block_for(&self, sudoku: &Sudoku, i: usize) -> Region<'_, impl Iterator> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.15s [INFO] running `Command { std: "docker" "inspect" "6113ddc47aebc28b922739f22e70c200587837c6cc9f48f132e7086e1358d85e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6113ddc47aebc28b922739f22e70c200587837c6cc9f48f132e7086e1358d85e", kill_on_drop: false }` [INFO] [stdout] 6113ddc47aebc28b922739f22e70c200587837c6cc9f48f132e7086e1358d85e