[INFO] fetching crate gophersweeper 1.0.6... [INFO] testing gophersweeper-1.0.6 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate gophersweeper 1.0.6 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate gophersweeper 1.0.6 [INFO] finished tweaking crates.io crate gophersweeper 1.0.6 [INFO] tweaked toml for crates.io crate gophersweeper 1.0.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gophersweeper 1.0.6 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate gophersweeper 1.0.6 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b576ebabfa9ead4d034aa8b4381a624c168d8071126faa7a1c1b6f90637698f7 [INFO] running `Command { std: "docker" "start" "-a" "b576ebabfa9ead4d034aa8b4381a624c168d8071126faa7a1c1b6f90637698f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b576ebabfa9ead4d034aa8b4381a624c168d8071126faa7a1c1b6f90637698f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b576ebabfa9ead4d034aa8b4381a624c168d8071126faa7a1c1b6f90637698f7", kill_on_drop: false }` [INFO] [stdout] b576ebabfa9ead4d034aa8b4381a624c168d8071126faa7a1c1b6f90637698f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a519f4646d02361b8c527480acdb3f2fd291edc358a73497e6cfaeb171a0392f [INFO] running `Command { std: "docker" "start" "-a" "a519f4646d02361b8c527480acdb3f2fd291edc358a73497e6cfaeb171a0392f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling io-lifetimes v1.0.3 [INFO] [stderr] Compiling rustix v0.36.5 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling linux-raw-sys v0.1.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling os_str_bytes v6.4.1 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling clap_lex v0.3.0 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling mio v0.8.5 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling signal-hook-mio v0.2.3 [INFO] [stderr] Compiling crossterm v0.25.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling is-terminal v0.4.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v4.0.21 [INFO] [stderr] Compiling clap v4.0.29 [INFO] [stderr] Compiling gophersweeper v1.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | let mut cell = &mut self.field[y][x]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let mut cell = &mut self.field[y][x]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.68s [INFO] running `Command { std: "docker" "inspect" "a519f4646d02361b8c527480acdb3f2fd291edc358a73497e6cfaeb171a0392f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a519f4646d02361b8c527480acdb3f2fd291edc358a73497e6cfaeb171a0392f", kill_on_drop: false }` [INFO] [stdout] a519f4646d02361b8c527480acdb3f2fd291edc358a73497e6cfaeb171a0392f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8582746737d657075701fb581e9e63c33430411de83a11828be6c68417e8291a [INFO] running `Command { std: "docker" "start" "-a" "8582746737d657075701fb581e9e63c33430411de83a11828be6c68417e8291a", kill_on_drop: false }` [INFO] [stderr] Compiling gophersweeper v1.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | let mut cell = &mut self.field[y][x]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let mut cell = &mut self.field[y][x]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | let mut cell = &mut self.field[y][x]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let mut cell = &mut self.field[y][x]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "8582746737d657075701fb581e9e63c33430411de83a11828be6c68417e8291a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8582746737d657075701fb581e9e63c33430411de83a11828be6c68417e8291a", kill_on_drop: false }` [INFO] [stdout] 8582746737d657075701fb581e9e63c33430411de83a11828be6c68417e8291a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9851c3690c3fd5637d65e4d0f9591736933030a12193d4fde441e5f75bee53cc [INFO] running `Command { std: "docker" "start" "-a" "9851c3690c3fd5637d65e4d0f9591736933030a12193d4fde441e5f75bee53cc", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | let mut cell = &mut self.field[y][x]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | let mut cell = &mut self.field[y][x]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `gophersweeper` (lib) generated 2 warnings (run `cargo fix --lib -p gophersweeper` to apply 2 suggestions) [INFO] [stderr] warning: `gophersweeper` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gophersweeper-c742884fe2d69f31) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gophersweeper-8047fd5f6cd0629a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests gophersweeper [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9851c3690c3fd5637d65e4d0f9591736933030a12193d4fde441e5f75bee53cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9851c3690c3fd5637d65e4d0f9591736933030a12193d4fde441e5f75bee53cc", kill_on_drop: false }` [INFO] [stdout] 9851c3690c3fd5637d65e4d0f9591736933030a12193d4fde441e5f75bee53cc