[INFO] cloning repository https://github.com/procedural-rust/Maze_generator [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2FMaze_generator'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5740be4aac6004a6c4a2f87a0e98c603aad1f90e [INFO] testing procedural-rust/Maze_generator against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2FMaze_generator" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/procedural-rust/Maze_generator on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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-2/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6f6e5960081e1d4068b1a98b5e8a888688b643169ac2caf79db0c62930029ee3 [INFO] running `"docker" "start" "-a" "6f6e5960081e1d4068b1a98b5e8a888688b643169ac2caf79db0c62930029ee3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.0 [INFO] [stderr] Compiling png v0.15.1 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling clap v2.27.1 [INFO] [stderr] Compiling rayon v1.2.1 [INFO] [stderr] Compiling rand v0.3.23 [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `turn_clockwise` [INFO] [stderr] --> src/maze.rs:76:5 [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: method is never used: `turn_counterclockwise` [INFO] [stderr] --> src/maze.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn turn_counterclockwise(self) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `init_rect_with_bitmask` [INFO] [stderr] --> src/maze.rs:183:5 [INFO] [stderr] | [INFO] [stderr] 183 | pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec>, method: GenerationType) -> Result { [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: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.62s [INFO] running `"docker" "inspect" "6f6e5960081e1d4068b1a98b5e8a888688b643169ac2caf79db0c62930029ee3"` [INFO] running `"docker" "rm" "-f" "6f6e5960081e1d4068b1a98b5e8a888688b643169ac2caf79db0c62930029ee3"` [INFO] [stdout] 6f6e5960081e1d4068b1a98b5e8a888688b643169ac2caf79db0c62930029ee3 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 14ad3fb23a013b696f382a9f683a897f4e6345f7c06df2a6d805d80196963218 [INFO] running `"docker" "start" "-a" "14ad3fb23a013b696f382a9f683a897f4e6345f7c06df2a6d805d80196963218"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling maze_generation v0.1.0 (/opt/rustwide/workdir) [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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `turn_clockwise` [INFO] [stderr] --> src/maze.rs:76:5 [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: method is never used: `turn_counterclockwise` [INFO] [stderr] --> src/maze.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn turn_counterclockwise(self) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `init_rect_with_bitmask` [INFO] [stderr] --> src/maze.rs:183:5 [INFO] [stderr] | [INFO] [stderr] 183 | pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec>, method: GenerationType) -> Result { [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: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `"docker" "inspect" "14ad3fb23a013b696f382a9f683a897f4e6345f7c06df2a6d805d80196963218"` [INFO] running `"docker" "rm" "-f" "14ad3fb23a013b696f382a9f683a897f4e6345f7c06df2a6d805d80196963218"` [INFO] [stdout] 14ad3fb23a013b696f382a9f683a897f4e6345f7c06df2a6d805d80196963218 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ff4ecedaea8a93af40a33a59160643ef238c7b07ccaffae7618e9a311bf56be6 [INFO] running `"docker" "start" "-a" "ff4ecedaea8a93af40a33a59160643ef238c7b07ccaffae7618e9a311bf56be6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `turn_clockwise` [INFO] [stderr] --> src/maze.rs:76:5 [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: method is never used: `turn_counterclockwise` [INFO] [stderr] --> src/maze.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn turn_counterclockwise(self) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `init_rect_with_bitmask` [INFO] [stderr] --> src/maze.rs:183:5 [INFO] [stderr] | [INFO] [stderr] 183 | pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec>, method: GenerationType) -> Result { [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: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/maze_generation-a36b99c2818e54a4 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "ff4ecedaea8a93af40a33a59160643ef238c7b07ccaffae7618e9a311bf56be6"` [INFO] running `"docker" "rm" "-f" "ff4ecedaea8a93af40a33a59160643ef238c7b07ccaffae7618e9a311bf56be6"` [INFO] [stdout] ff4ecedaea8a93af40a33a59160643ef238c7b07ccaffae7618e9a311bf56be6