[INFO] cloning repository https://github.com/hugo-belloc/annoying-tower-of-hanoi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hugo-belloc/annoying-tower-of-hanoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugo-belloc%2Fannoying-tower-of-hanoi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugo-belloc%2Fannoying-tower-of-hanoi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2b5f0d8b3051c7e71a676e49f073a52b7695f171 [INFO] testing hugo-belloc/annoying-tower-of-hanoi against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugo-belloc%2Fannoying-tower-of-hanoi" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hugo-belloc/annoying-tower-of-hanoi on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hugo-belloc/annoying-tower-of-hanoi [INFO] finished tweaking git repo https://github.com/hugo-belloc/annoying-tower-of-hanoi [INFO] tweaked toml for git repo https://github.com/hugo-belloc/annoying-tower-of-hanoi written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/hugo-belloc/annoying-tower-of-hanoi already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 726898848c2903fb29d78f247724509e47ad54d4957c03e76c58461230dab3f0 [INFO] running `Command { std: "docker" "start" "-a" "726898848c2903fb29d78f247724509e47ad54d4957c03e76c58461230dab3f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "726898848c2903fb29d78f247724509e47ad54d4957c03e76c58461230dab3f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "726898848c2903fb29d78f247724509e47ad54d4957c03e76c58461230dab3f0", kill_on_drop: false }` [INFO] [stdout] 726898848c2903fb29d78f247724509e47ad54d4957c03e76c58461230dab3f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a8a474b94abfeb2caebc8d3535307945203e3f6c5c8f6832eff9b8889f92833 [INFO] running `Command { std: "docker" "start" "-a" "4a8a474b94abfeb2caebc8d3535307945203e3f6c5c8f6832eff9b8889f92833", kill_on_drop: false }` [INFO] [stderr] Compiling annoying-tower-of-hanoi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `hanoi_discs` [INFO] [stdout] --> src/lib.rs:129:23 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn write_step(hanoi_discs: &HanoiTowersDiscs, step: usize) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hanoi_discs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/lib.rs:129:55 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn write_step(hanoi_discs: &HanoiTowersDiscs, step: usize) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/lib.rs:133:23 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/lib.rs:133:40 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `move_no` [INFO] [stdout] --> src/lib.rs:133:58 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_no` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `writer` [INFO] [stdout] --> src/lib.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 108 | writer: &'a mut T, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `HEADER_HEIGHT` [INFO] [stdout] --> src/lib.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | const HEADER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `FOOTER_HEIGHT` [INFO] [stdout] --> src/lib.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | const FOOTER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `EXTRA_WIDTH` [INFO] [stdout] --> src/lib.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 114 | const EXTRA_WIDTH: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `WIDTH_DEPTH_COEFF` [INFO] [stdout] --> src/lib.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 115 | const WIDTH_DEPTH_COEFF: usize = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `CHAR_MAX_LENGTH_UTF8` [INFO] [stdout] --> src/lib.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | const CHAR_MAX_LENGTH_UTF8: usize = 3; //Longest char to draw are box drawing chars [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `DELIMITER` [INFO] [stdout] --> src/lib.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | const DELIMITER: &'static str = "\n"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.41s [INFO] running `Command { std: "docker" "inspect" "4a8a474b94abfeb2caebc8d3535307945203e3f6c5c8f6832eff9b8889f92833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a8a474b94abfeb2caebc8d3535307945203e3f6c5c8f6832eff9b8889f92833", kill_on_drop: false }` [INFO] [stdout] 4a8a474b94abfeb2caebc8d3535307945203e3f6c5c8f6832eff9b8889f92833 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0587adeba87255994237cbb820d8ed0a687f9611762afd692f4cd971b3e79f14 [INFO] running `Command { std: "docker" "start" "-a" "0587adeba87255994237cbb820d8ed0a687f9611762afd692f4cd971b3e79f14", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `hanoi_discs` [INFO] [stdout] --> src/lib.rs:129:23 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn write_step(hanoi_discs: &HanoiTowersDiscs, step: usize) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hanoi_discs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/lib.rs:129:55 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn write_step(hanoi_discs: &HanoiTowersDiscs, step: usize) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/lib.rs:133:23 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/lib.rs:133:40 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling annoying-tower-of-hanoi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `move_no` [INFO] [stdout] --> src/lib.rs:133:58 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_no` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `writer` [INFO] [stdout] --> src/lib.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 108 | writer: &'a mut T, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `HEADER_HEIGHT` [INFO] [stdout] --> src/lib.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | const HEADER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `FOOTER_HEIGHT` [INFO] [stdout] --> src/lib.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | const FOOTER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `EXTRA_WIDTH` [INFO] [stdout] --> src/lib.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 114 | const EXTRA_WIDTH: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `WIDTH_DEPTH_COEFF` [INFO] [stdout] --> src/lib.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 115 | const WIDTH_DEPTH_COEFF: usize = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `CHAR_MAX_LENGTH_UTF8` [INFO] [stdout] --> src/lib.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | const CHAR_MAX_LENGTH_UTF8: usize = 3; //Longest char to draw are box drawing chars [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `DELIMITER` [INFO] [stdout] --> src/lib.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | const DELIMITER: &'static str = "\n"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hanoi_discs` [INFO] [stdout] --> src/lib.rs:129:23 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn write_step(hanoi_discs: &HanoiTowersDiscs, step: usize) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hanoi_discs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/lib.rs:129:55 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn write_step(hanoi_discs: &HanoiTowersDiscs, step: usize) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> src/lib.rs:133:23 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/lib.rs:133:40 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `move_no` [INFO] [stdout] --> src/lib.rs:133:58 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_no` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:327:13 [INFO] [stdout] | [INFO] [stdout] 327 | let mut htd = HanoiTowersDiscs::build(4); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `writer` [INFO] [stdout] --> src/lib.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 108 | writer: &'a mut T, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `HEADER_HEIGHT` [INFO] [stdout] --> src/lib.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | const HEADER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `FOOTER_HEIGHT` [INFO] [stdout] --> src/lib.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | const FOOTER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `EXTRA_WIDTH` [INFO] [stdout] --> src/lib.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 114 | const EXTRA_WIDTH: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `WIDTH_DEPTH_COEFF` [INFO] [stdout] --> src/lib.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 115 | const WIDTH_DEPTH_COEFF: usize = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `CHAR_MAX_LENGTH_UTF8` [INFO] [stdout] --> src/lib.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | const CHAR_MAX_LENGTH_UTF8: usize = 3; //Longest char to draw are box drawing chars [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated constant is never used: `DELIMITER` [INFO] [stdout] --> src/lib.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | const DELIMITER: &'static str = "\n"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.61s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/annoying_tower_of_hanoi-1cce7915fa4e5da8) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/annoying_tower_of_hanoi-b49582aed5bca6e0) [INFO] running `Command { std: "docker" "inspect" "0587adeba87255994237cbb820d8ed0a687f9611762afd692f4cd971b3e79f14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0587adeba87255994237cbb820d8ed0a687f9611762afd692f4cd971b3e79f14", kill_on_drop: false }` [INFO] [stdout] 0587adeba87255994237cbb820d8ed0a687f9611762afd692f4cd971b3e79f14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6d4df4546edb7af03c5e4be0df4ec1cda234685abe000cf3ce6b57746276c343 [INFO] running `Command { std: "docker" "start" "-a" "6d4df4546edb7af03c5e4be0df4ec1cda234685abe000cf3ce6b57746276c343", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `hanoi_discs` [INFO] [stderr] --> src/lib.rs:129:23 [INFO] [stderr] | [INFO] [stderr] 129 | pub fn write_step(hanoi_discs: &HanoiTowersDiscs, step: usize) { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hanoi_discs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `step` [INFO] [stderr] --> src/lib.rs:129:55 [INFO] [stderr] | [INFO] [stderr] 129 | pub fn write_step(hanoi_discs: &HanoiTowersDiscs, step: usize) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `src` [INFO] [stderr] --> src/lib.rs:133:23 [INFO] [stderr] | [INFO] [stderr] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dest` [INFO] [stderr] --> src/lib.rs:133:40 [INFO] [stderr] | [INFO] [stderr] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `move_no` [INFO] [stderr] --> src/lib.rs:133:58 [INFO] [stderr] | [INFO] [stderr] 133 | pub fn write_move(src: HanoiTower, dest: HanoiTower, move_no: usize) { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_no` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `writer` [INFO] [stderr] --> src/lib.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 108 | writer: &'a mut T, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated constant is never used: `HEADER_HEIGHT` [INFO] [stderr] --> src/lib.rs:112:5 [INFO] [stderr] | [INFO] [stderr] 112 | const HEADER_HEIGHT: usize = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated constant is never used: `FOOTER_HEIGHT` [INFO] [stderr] --> src/lib.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | const FOOTER_HEIGHT: usize = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated constant is never used: `EXTRA_WIDTH` [INFO] [stderr] --> src/lib.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | const EXTRA_WIDTH: usize = 12; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated constant is never used: `WIDTH_DEPTH_COEFF` [INFO] [stderr] --> src/lib.rs:115:5 [INFO] [stderr] | [INFO] [stderr] 115 | const WIDTH_DEPTH_COEFF: usize = 6; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated constant is never used: `CHAR_MAX_LENGTH_UTF8` [INFO] [stderr] --> src/lib.rs:116:5 [INFO] [stderr] | [INFO] [stderr] 116 | const CHAR_MAX_LENGTH_UTF8: usize = 3; //Longest char to draw are box drawing chars [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated constant is never used: `DELIMITER` [INFO] [stderr] --> src/lib.rs:117:5 [INFO] [stderr] | [INFO] [stderr] 117 | const DELIMITER: &'static str = "\n"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `annoying-tower-of-hanoi` (lib) generated 12 warnings [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:327:13 [INFO] [stderr] | [INFO] [stderr] 327 | let mut htd = HanoiTowersDiscs::build(4); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `annoying-tower-of-hanoi` (lib test) generated 13 warnings (12 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/annoying_tower_of_hanoi-1cce7915fa4e5da8) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test tests::depth ... ok [INFO] [stdout] test tests::hanoi_tower_number ... ok [INFO] [stdout] test tests::hanoi_tower_to_string ... ok [INFO] [stdout] test tests::build_from_discs_valid ... ok [INFO] [stdout] test tests::move_discs ... ok [INFO] [stdout] test tests::solve_hanoi_level0 ... ok [INFO] [stdout] test tests::invalid_build_from_discs_panic ... ok [INFO] [stdout] test tests::solve_hanoi_level1 ... ok [INFO] [stdout] test tests::solve_hanoi_level3 ... ok [INFO] [stdout] test tests::solve_hanoi_level2 ... ok [INFO] [stdout] test tests::store_disc_moves ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 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/annoying_tower_of_hanoi-b49582aed5bca6e0) [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 annoying-tower-of-hanoi [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - HanoiTower::last_tower (line 37) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6d4df4546edb7af03c5e4be0df4ec1cda234685abe000cf3ce6b57746276c343", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d4df4546edb7af03c5e4be0df4ec1cda234685abe000cf3ce6b57746276c343", kill_on_drop: false }` [INFO] [stdout] 6d4df4546edb7af03c5e4be0df4ec1cda234685abe000cf3ce6b57746276c343