[INFO] cloning repository https://github.com/Lut99/sudoku-solver-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lut99/sudoku-solver-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLut99%2Fsudoku-solver-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLut99%2Fsudoku-solver-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 248dd359086a1d0b3e8628a1a9db819401edd276 [INFO] checking Lut99/sudoku-solver-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLut99%2Fsudoku-solver-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Lut99/sudoku-solver-rs [INFO] finished tweaking git repo https://github.com/Lut99/sudoku-solver-rs [INFO] tweaked toml for git repo https://github.com/Lut99/sudoku-solver-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Lut99/sudoku-solver-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Lut99/sudoku-solver-rs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58b52452938c05298d1e0687652714639517344181b5fefff8a69eb1b7857df4 [INFO] running `Command { std: "docker" "start" "-a" "58b52452938c05298d1e0687652714639517344181b5fefff8a69eb1b7857df4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58b52452938c05298d1e0687652714639517344181b5fefff8a69eb1b7857df4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58b52452938c05298d1e0687652714639517344181b5fefff8a69eb1b7857df4", kill_on_drop: false }` [INFO] [stdout] 58b52452938c05298d1e0687652714639517344181b5fefff8a69eb1b7857df4 [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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d75d4a59455200e0b4b153e4cdffc78ea6a297cc19dc42222ec0e420e77e614 [INFO] running `Command { std: "docker" "start" "-a" "6d75d4a59455200e0b4b153e4cdffc78ea6a297cc19dc42222ec0e420e77e614", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling rustix v0.38.8 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Compiling serde_derive v1.0.183 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling indoc v2.0.3 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking signal-hook v0.3.17 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking clap_builder v4.3.21 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.26.1 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking ratatui v0.22.0 [INFO] [stderr] Checking humanlog v0.1.0 (https://github.com/Lut99/humanlog-rs#3c7a024d) [INFO] [stderr] Compiling enum-debug-derive v0.2.0 (https://github.com/Lut99/enum-debug#37066f5d) [INFO] [stderr] Checking enum-debug v0.2.0 (https://github.com/Lut99/enum-debug#37066f5d) [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Checking clap v4.3.21 [INFO] [stderr] Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/solvers.rs:64:51 [INFO] [stdout] | [INFO] [stdout] 64 | fn run(&mut self, sudoku: Sudoku) -> Sudoku { self.run_with_callback(sudoku, |_| Ok::(true)).unwrap()... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/solvers.rs:64:86 [INFO] [stdout] | [INFO] [stdout] 64 | fn run(&mut self, sudoku: Sudoku) -> Sudoku { self.run_with_callback(sudoku, |_| Ok::(true)).unwrap()... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sudoku.rs:420:21 [INFO] [stdout] | [INFO] [stdout] 420 | pub fn coloured(&self) -> SudokuColourFormatter { SudokuColourFormatter { sudoku: self } } [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 420 | pub fn coloured(&self) -> SudokuColourFormatter<'_> { SudokuColourFormatter { sudoku: self } } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sudoku.rs:439:19 [INFO] [stdout] | [INFO] [stdout] 439 | pub fn render(&self) -> Table { [INFO] [stdout] | ^^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 439 | pub fn render(&self) -> Table<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:909:15 [INFO] [stdout] | [INFO] [stdout] 909 | fn pretty(&self) -> PrettyErrorFormatter; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 909 | fn pretty(&self) -> PrettyErrorFormatter<'_, Self>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:912:15 [INFO] [stdout] | [INFO] [stdout] 912 | fn pretty(&self) -> PrettyErrorFormatter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 912 | fn pretty(&self) -> PrettyErrorFormatter<'_, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sudoku-solver` (lib) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/solvers.rs:64:51 [INFO] [stdout] | [INFO] [stdout] 64 | fn run(&mut self, sudoku: Sudoku) -> Sudoku { self.run_with_callback(sudoku, |_| Ok::(true)).unwrap()... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sudoku-solver` (lib test) due to 2 previous errors; 4 warnings emitted [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/solvers.rs:64:86 [INFO] [stdout] | [INFO] [stdout] 64 | fn run(&mut self, sudoku: Sudoku) -> Sudoku { self.run_with_callback(sudoku, |_| Ok::(true)).unwrap()... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sudoku.rs:420:21 [INFO] [stdout] | [INFO] [stdout] 420 | pub fn coloured(&self) -> SudokuColourFormatter { SudokuColourFormatter { sudoku: self } } [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 420 | pub fn coloured(&self) -> SudokuColourFormatter<'_> { SudokuColourFormatter { sudoku: self } } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sudoku.rs:439:19 [INFO] [stdout] | [INFO] [stdout] 439 | pub fn render(&self) -> Table { [INFO] [stdout] | ^^^^^ ^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 439 | pub fn render(&self) -> Table<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:909:15 [INFO] [stdout] | [INFO] [stdout] 909 | fn pretty(&self) -> PrettyErrorFormatter; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 909 | fn pretty(&self) -> PrettyErrorFormatter<'_, Self>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:912:15 [INFO] [stdout] | [INFO] [stdout] 912 | fn pretty(&self) -> PrettyErrorFormatter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 912 | fn pretty(&self) -> PrettyErrorFormatter<'_, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6d75d4a59455200e0b4b153e4cdffc78ea6a297cc19dc42222ec0e420e77e614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d75d4a59455200e0b4b153e4cdffc78ea6a297cc19dc42222ec0e420e77e614", kill_on_drop: false }` [INFO] [stdout] 6d75d4a59455200e0b4b153e4cdffc78ea6a297cc19dc42222ec0e420e77e614