[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2FMaze_generator" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/procedural-rust/Maze_generator on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-11/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a4bd38efccf134c61622b240f44e6c802f792d5e7e437a6a630056e7e9620acf [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" "a4bd38efccf134c61622b240f44e6c802f792d5e7e437a6a630056e7e9620acf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4bd38efccf134c61622b240f44e6c802f792d5e7e437a6a630056e7e9620acf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4bd38efccf134c61622b240f44e6c802f792d5e7e437a6a630056e7e9620acf", kill_on_drop: false }` [INFO] [stdout] a4bd38efccf134c61622b240f44e6c802f792d5e7e437a6a630056e7e9620acf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa907715b90a7c2666b681dc9c1d09863256129a4c2ab10e0c422143cf5eb359 [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" "fa907715b90a7c2666b681dc9c1d09863256129a4c2ab10e0c422143cf5eb359", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling clap v2.27.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling png v0.15.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling crossbeam-queue v0.2.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling rayon v1.2.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.16 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling tiff v0.3.1 [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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 1m 04s [INFO] running `Command { std: "docker" "inspect" "fa907715b90a7c2666b681dc9c1d09863256129a4c2ab10e0c422143cf5eb359", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa907715b90a7c2666b681dc9c1d09863256129a4c2ab10e0c422143cf5eb359", kill_on_drop: false }` [INFO] [stdout] fa907715b90a7c2666b681dc9c1d09863256129a4c2ab10e0c422143cf5eb359 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70ddb298e27246f35a886588e5d5058b072440b21f479bb7489084835462ad42 [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" "70ddb298e27246f35a886588e5d5058b072440b21f479bb7489084835462ad42", 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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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 1.64s [INFO] running `Command { std: "docker" "inspect" "70ddb298e27246f35a886588e5d5058b072440b21f479bb7489084835462ad42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70ddb298e27246f35a886588e5d5058b072440b21f479bb7489084835462ad42", kill_on_drop: false }` [INFO] [stdout] 70ddb298e27246f35a886588e5d5058b072440b21f479bb7489084835462ad42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] 92aebd5a08637541b8d64ba120ac9030c5703665f242eba14cb73cb051c73785 [INFO] running `Command { std: "docker" "start" "-a" "92aebd5a08637541b8d64ba120ac9030c5703665f242eba14cb73cb051c73785", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 7 | use std::env; [INFO] [stdout] [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] = 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] [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: 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] [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 0.15s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/maze_generation-6a5920f4632dea9a) [INFO] running `Command { std: "docker" "inspect" "92aebd5a08637541b8d64ba120ac9030c5703665f242eba14cb73cb051c73785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92aebd5a08637541b8d64ba120ac9030c5703665f242eba14cb73cb051c73785", kill_on_drop: false }` [INFO] [stdout] 92aebd5a08637541b8d64ba120ac9030c5703665f242eba14cb73cb051c73785