[INFO] cloning repository https://github.com/procedural-rust/Maze_generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/procedural-rust/Maze_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2FMaze_generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2FMaze_generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5740be4aac6004a6c4a2f87a0e98c603aad1f90e [INFO] testing procedural-rust/Maze_generator against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2FMaze_generator" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/procedural-rust/Maze_generator on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/procedural-rust/Maze_generator [INFO] finished tweaking git repo https://github.com/procedural-rust/Maze_generator [INFO] tweaked toml for git repo https://github.com/procedural-rust/Maze_generator written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/procedural-rust/Maze_generator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded png v0.15.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 782904a2ee41f50fb3a2df80a8bc51255bbd2a0d0266ce495f84c1e8886890dc [INFO] running `Command { std: "docker" "start" "-a" "782904a2ee41f50fb3a2df80a8bc51255bbd2a0d0266ce495f84c1e8886890dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "782904a2ee41f50fb3a2df80a8bc51255bbd2a0d0266ce495f84c1e8886890dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "782904a2ee41f50fb3a2df80a8bc51255bbd2a0d0266ce495f84c1e8886890dc", kill_on_drop: false }` [INFO] [stdout] 782904a2ee41f50fb3a2df80a8bc51255bbd2a0d0266ce495f84c1e8886890dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b1004ec1189ae78bc211e7331ed3112e04f9a98cbd5e7cdd253569df874c0c2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5b1004ec1189ae78bc211e7331ed3112e04f9a98cbd5e7cdd253569df874c0c2", kill_on_drop: false }` [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling crossbeam-queue v0.2.0 [INFO] [stderr] Compiling png v0.15.1 [INFO] [stderr] Compiling clap v2.27.1 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rayon v1.2.1 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling jpeg-decoder v0.1.16 [INFO] [stderr] Compiling image v0.22.3 [INFO] [stderr] Compiling maze_generation v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/maze.rs:30:32 [INFO] [stdout] | [INFO] [stdout] 30 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 30 - fn cause(&self) -> Option<&Error> { [INFO] [stdout] 30 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cave.rs:32:32 [INFO] [stdout] | [INFO] [stdout] 32 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 32 - fn cause(&self) -> Option<&Error> { [INFO] [stdout] 32 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `turn_clockwise` [INFO] [stdout] --> src/maze.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn turn_clockwise(self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `turn_counterclockwise` [INFO] [stdout] --> src/maze.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn turn_counterclockwise(self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init_rect_with_bitmask` [INFO] [stdout] --> src/maze.rs:183:12 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec>, method: GenerationType) -> Res... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_starting_points` [INFO] [stdout] --> src/maze.rs:213:4 [INFO] [stdout] | [INFO] [stdout] 213 | fn get_starting_points(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec>) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.03s [INFO] running `Command { std: "docker" "inspect" "5b1004ec1189ae78bc211e7331ed3112e04f9a98cbd5e7cdd253569df874c0c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b1004ec1189ae78bc211e7331ed3112e04f9a98cbd5e7cdd253569df874c0c2", kill_on_drop: false }` [INFO] [stdout] 5b1004ec1189ae78bc211e7331ed3112e04f9a98cbd5e7cdd253569df874c0c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9e0ae89e186053c986eb1be3d6aec9eb9b1d0e9ddafd0e470b24aa512cdc81fd [INFO] running `Command { std: "docker" "start" "-a" "9e0ae89e186053c986eb1be3d6aec9eb9b1d0e9ddafd0e470b24aa512cdc81fd", kill_on_drop: false }` [INFO] [stderr] Compiling maze_generation v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/maze.rs:30:32 [INFO] [stdout] | [INFO] [stdout] 30 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 30 - fn cause(&self) -> Option<&Error> { [INFO] [stdout] 30 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cave.rs:32:32 [INFO] [stdout] | [INFO] [stdout] 32 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 32 - fn cause(&self) -> Option<&Error> { [INFO] [stdout] 32 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `turn_clockwise` [INFO] [stdout] --> src/maze.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn turn_clockwise(self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `turn_counterclockwise` [INFO] [stdout] --> src/maze.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn turn_counterclockwise(self) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init_rect_with_bitmask` [INFO] [stdout] --> src/maze.rs:183:12 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec>, method: GenerationType) -> Res... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_starting_points` [INFO] [stdout] --> src/maze.rs:213:4 [INFO] [stdout] | [INFO] [stdout] 213 | fn get_starting_points(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec>) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `Command { std: "docker" "inspect" "9e0ae89e186053c986eb1be3d6aec9eb9b1d0e9ddafd0e470b24aa512cdc81fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e0ae89e186053c986eb1be3d6aec9eb9b1d0e9ddafd0e470b24aa512cdc81fd", kill_on_drop: false }` [INFO] [stdout] 9e0ae89e186053c986eb1be3d6aec9eb9b1d0e9ddafd0e470b24aa512cdc81fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 344f7f516476716f7bca08ee1ed23ba734bdb74594a01824b9b6c220f07ab597 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "344f7f516476716f7bca08ee1ed23ba734bdb74594a01824b9b6c220f07ab597", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/maze.rs:30:32 [INFO] [stderr] | [INFO] [stderr] 30 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 30 - fn cause(&self) -> Option<&Error> { [INFO] [stderr] 30 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/cave.rs:32:32 [INFO] [stderr] | [INFO] [stderr] 32 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 32 - fn cause(&self) -> Option<&Error> { [INFO] [stderr] 32 + fn cause(&self) -> Option<&dyn Error> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `turn_clockwise` [INFO] [stderr] --> src/maze.rs:76:12 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn turn_clockwise(self) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `turn_counterclockwise` [INFO] [stderr] --> src/maze.rs:85:12 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn turn_counterclockwise(self) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `init_rect_with_bitmask` [INFO] [stderr] --> src/maze.rs:183:12 [INFO] [stderr] | [INFO] [stderr] 183 | pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec>, method: GenerationType) -> Res... [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_starting_points` [INFO] [stderr] --> src/maze.rs:213:4 [INFO] [stderr] | [INFO] [stderr] 213 | fn get_starting_points(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec>) -> Vec{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `maze_generation` (bin "maze_generation" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/maze_generation-ee86dd882cf342ff) [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" "344f7f516476716f7bca08ee1ed23ba734bdb74594a01824b9b6c220f07ab597", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "344f7f516476716f7bca08ee1ed23ba734bdb74594a01824b9b6c220f07ab597", kill_on_drop: false }` [INFO] [stdout] 344f7f516476716f7bca08ee1ed23ba734bdb74594a01824b9b6c220f07ab597