[INFO] fetching crate cartesian_maze_puzzle 0.1.0...
[INFO] testing cartesian_maze_puzzle-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate cartesian_maze_puzzle 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cartesian_maze_puzzle 0.1.0
[INFO] finished tweaking crates.io crate cartesian_maze_puzzle 0.1.0
[INFO] tweaked toml for crates.io crate cartesian_maze_puzzle 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cartesian_maze_puzzle 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cartesian_maze_puzzle 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23e00822d258e4be80b65572868ca316442ac834e0e9c0b8485e27042cd25334
[INFO] running `Command { std: "docker" "start" "-a" "23e00822d258e4be80b65572868ca316442ac834e0e9c0b8485e27042cd25334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23e00822d258e4be80b65572868ca316442ac834e0e9c0b8485e27042cd25334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e00822d258e4be80b65572868ca316442ac834e0e9c0b8485e27042cd25334", kill_on_drop: false }`
[INFO] [stdout] 23e00822d258e4be80b65572868ca316442ac834e0e9c0b8485e27042cd25334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 717eadae0b192afecb33fd23c944453e7b9b554c33abecf8e5c599c4e0007fbd
[INFO] running `Command { std: "docker" "start" "-a" "717eadae0b192afecb33fd23c944453e7b9b554c33abecf8e5c599c4e0007fbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling cartesian_maze_puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::rng`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "717eadae0b192afecb33fd23c944453e7b9b554c33abecf8e5c599c4e0007fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717eadae0b192afecb33fd23c944453e7b9b554c33abecf8e5c599c4e0007fbd", kill_on_drop: false }`
[INFO] [stdout] 717eadae0b192afecb33fd23c944453e7b9b554c33abecf8e5c599c4e0007fbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4afd70c1124276181809a5bc23bdedeb07e54188d36133acc1dac11d4343a470
[INFO] running `Command { std: "docker" "start" "-a" "4afd70c1124276181809a5bc23bdedeb07e54188d36133acc1dac11d4343a470", kill_on_drop: false }`
[INFO] [stderr]    Compiling cartesian_maze_puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::rng`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rng`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "4afd70c1124276181809a5bc23bdedeb07e54188d36133acc1dac11d4343a470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afd70c1124276181809a5bc23bdedeb07e54188d36133acc1dac11d4343a470", kill_on_drop: false }`
[INFO] [stdout] 4afd70c1124276181809a5bc23bdedeb07e54188d36133acc1dac11d4343a470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f1797ae379512dd1fcb5896d2149ee7cdfa8004b4cfd327daa165ce79e4eb6e
[INFO] running `Command { std: "docker" "start" "-a" "7f1797ae379512dd1fcb5896d2149ee7cdfa8004b4cfd327daa165ce79e4eb6e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::rng`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cartesian_maze_puzzle` (lib) generated 1 warning (run `cargo fix --lib -p cartesian_maze_puzzle` to apply 1 suggestion)
[INFO] [stderr] warning: `cartesian_maze_puzzle` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cartesian_maze_puzzle-57e8b43177fedfb1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_move_pos_bounds ... ok
[INFO] [stdout] test tests::test_maze_has_all_cells_visited ... ok
[INFO] [stdout] test tests::test_is_at_end ... ok
[INFO] [stdout] test tests::test_try_move_succeeds ... ok
[INFO] [stdout] test tests::test_new_maze_player_at_start ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cartesian_maze_puzzle
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Maze::try_move (line 110) ... ok
[INFO] [stdout] test src/lib.rs - Maze::new (line 43) ... ok
[INFO] [stdout] test src/lib.rs - Maze::is_at_end (line 133) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f1797ae379512dd1fcb5896d2149ee7cdfa8004b4cfd327daa165ce79e4eb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1797ae379512dd1fcb5896d2149ee7cdfa8004b4cfd327daa165ce79e4eb6e", kill_on_drop: false }`
[INFO] [stdout] 7f1797ae379512dd1fcb5896d2149ee7cdfa8004b4cfd327daa165ce79e4eb6e