[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 1.83.0 for beta-1.84.0-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugo-belloc%2Fannoying-tower-of-hanoi" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hugo-belloc/annoying-tower-of-hanoi on toolchain 1.83.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2dea975648d71ea119e124d15d42311cde7d07cbffb5d7435b6c0ebdcca3341 [INFO] running `Command { std: "docker" "start" "-a" "a2dea975648d71ea119e124d15d42311cde7d07cbffb5d7435b6c0ebdcca3341", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2dea975648d71ea119e124d15d42311cde7d07cbffb5d7435b6c0ebdcca3341", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2dea975648d71ea119e124d15d42311cde7d07cbffb5d7435b6c0ebdcca3341", kill_on_drop: false }` [INFO] [stdout] a2dea975648d71ea119e124d15d42311cde7d07cbffb5d7435b6c0ebdcca3341 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6eb66fce44f5308a91983f52d45d0fbc97eaf1557abcb665f5881f7566a9c3b6 [INFO] running `Command { std: "docker" "start" "-a" "6eb66fce44f5308a91983f52d45d0fbc97eaf1557abcb665f5881f7566a9c3b6", 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 `writer` is never read [INFO] [stdout] --> src/lib.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 106 | pub struct HanoiStepWriter<'a, T: Write> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 107 | // buffer: String, [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 constants `HEADER_HEIGHT`, `FOOTER_HEIGHT`, `EXTRA_WIDTH`, `WIDTH_DEPTH_COEFF`, `CHAR_MAX_LENGTH_UTF8`, and `DELIMITER` are never used [INFO] [stdout] --> src/lib.rs:112:11 [INFO] [stdout] | [INFO] [stdout] 111 | impl<'a, T: Write> HanoiStepWriter<'a, T> { [INFO] [stdout] | ----------------------------------------- associated constants in this implementation [INFO] [stdout] 112 | const HEADER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 113 | const FOOTER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 114 | const EXTRA_WIDTH: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 115 | const WIDTH_DEPTH_COEFF: usize = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 116 | const CHAR_MAX_LENGTH_UTF8: usize = 3; //Longest char to draw are box drawing chars [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 117 | const DELIMITER: &'static str = "\n"; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "6eb66fce44f5308a91983f52d45d0fbc97eaf1557abcb665f5881f7566a9c3b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eb66fce44f5308a91983f52d45d0fbc97eaf1557abcb665f5881f7566a9c3b6", kill_on_drop: false }` [INFO] [stdout] 6eb66fce44f5308a91983f52d45d0fbc97eaf1557abcb665f5881f7566a9c3b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9970abe7f8564a41eea6109493d1b5f44bbb97a24f72a5b06328d620b30c8996 [INFO] running `Command { std: "docker" "start" "-a" "9970abe7f8564a41eea6109493d1b5f44bbb97a24f72a5b06328d620b30c8996", 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] [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 `writer` is never read [INFO] [stdout] --> src/lib.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 106 | pub struct HanoiStepWriter<'a, T: Write> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 107 | // buffer: String, [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 constants `HEADER_HEIGHT`, `FOOTER_HEIGHT`, `EXTRA_WIDTH`, `WIDTH_DEPTH_COEFF`, `CHAR_MAX_LENGTH_UTF8`, and `DELIMITER` are never used [INFO] [stdout] --> src/lib.rs:112:11 [INFO] [stdout] | [INFO] [stdout] 111 | impl<'a, T: Write> HanoiStepWriter<'a, T> { [INFO] [stdout] | ----------------------------------------- associated constants in this implementation [INFO] [stdout] 112 | const HEADER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 113 | const FOOTER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 114 | const EXTRA_WIDTH: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 115 | const WIDTH_DEPTH_COEFF: usize = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 116 | const CHAR_MAX_LENGTH_UTF8: usize = 3; //Longest char to draw are box drawing chars [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 117 | const DELIMITER: &'static str = "\n"; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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: 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 `writer` is never read [INFO] [stdout] --> src/lib.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 106 | pub struct HanoiStepWriter<'a, T: Write> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 107 | // buffer: String, [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 constants `HEADER_HEIGHT`, `FOOTER_HEIGHT`, `EXTRA_WIDTH`, `WIDTH_DEPTH_COEFF`, `CHAR_MAX_LENGTH_UTF8`, and `DELIMITER` are never used [INFO] [stdout] --> src/lib.rs:112:11 [INFO] [stdout] | [INFO] [stdout] 111 | impl<'a, T: Write> HanoiStepWriter<'a, T> { [INFO] [stdout] | ----------------------------------------- associated constants in this implementation [INFO] [stdout] 112 | const HEADER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 113 | const FOOTER_HEIGHT: usize = 3; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 114 | const EXTRA_WIDTH: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 115 | const WIDTH_DEPTH_COEFF: usize = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 116 | const CHAR_MAX_LENGTH_UTF8: usize = 3; //Longest char to draw are box drawing chars [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 117 | const DELIMITER: &'static str = "\n"; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "9970abe7f8564a41eea6109493d1b5f44bbb97a24f72a5b06328d620b30c8996", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9970abe7f8564a41eea6109493d1b5f44bbb97a24f72a5b06328d620b30c8996", kill_on_drop: false }` [INFO] [stdout] 9970abe7f8564a41eea6109493d1b5f44bbb97a24f72a5b06328d620b30c8996 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 143eb688940e24cfa82b80f2ac71eaa928bf399b3ad3f9404ff2806dc9421951 [INFO] running `Command { std: "docker" "start" "-a" "143eb688940e24cfa82b80f2ac71eaa928bf399b3ad3f9404ff2806dc9421951", 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 `writer` is never read [INFO] [stderr] --> src/lib.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 106 | pub struct HanoiStepWriter<'a, T: Write> { [INFO] [stderr] | --------------- field in this struct [INFO] [stderr] 107 | // buffer: String, [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 constants `HEADER_HEIGHT`, `FOOTER_HEIGHT`, `EXTRA_WIDTH`, `WIDTH_DEPTH_COEFF`, `CHAR_MAX_LENGTH_UTF8`, and `DELIMITER` are never used [INFO] [stderr] --> src/lib.rs:112:11 [INFO] [stderr] | [INFO] [stderr] 111 | impl<'a, T: Write> HanoiStepWriter<'a, T> { [INFO] [stderr] | ----------------------------------------- associated constants in this implementation [INFO] [stderr] 112 | const HEADER_HEIGHT: usize = 3; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 113 | const FOOTER_HEIGHT: usize = 3; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 114 | const EXTRA_WIDTH: usize = 12; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 115 | const WIDTH_DEPTH_COEFF: usize = 6; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] 116 | const CHAR_MAX_LENGTH_UTF8: usize = 3; //Longest char to draw are box drawing chars [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 117 | const DELIMITER: &'static str = "\n"; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `annoying-tower-of-hanoi` (lib) generated 7 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 8 warnings (7 duplicates) (run `cargo fix --lib -p annoying-tower-of-hanoi --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/annoying_tower_of_hanoi-496e3cd377616464) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test tests::hanoi_tower_number ... ok [INFO] [stdout] test tests::hanoi_tower_to_string ... ok [INFO] [stdout] test tests::move_discs ... ok [INFO] [stdout] test tests::solve_hanoi_level0 ... ok [INFO] [stdout] test tests::depth ... ok [INFO] [stdout] test tests::solve_hanoi_level1 ... ok [INFO] [stdout] test tests::solve_hanoi_level2 ... ok [INFO] [stdout] test tests::build_from_discs_valid ... ok [INFO] [stdout] test tests::invalid_build_from_discs_panic ... ok [INFO] [stdout] test tests::store_disc_moves ... ok [INFO] [stdout] test tests::solve_hanoi_level3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/annoying_tower_of_hanoi-21f11b3ddf3517a4) [INFO] [stdout] [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) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - HanoiTower::last_tower (line 37) stdout ---- [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc4Lr7na/symbols.o" "/tmp/rustdoctesttTB6h9/rust_out.rust_out.cb03291d53e4e161-cgu.0.rcgu.o" "/tmp/rustdoctesttTB6h9/rust_out.1s7umcihpz0t7nkz1uc2ifee9.rcgu.o" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libannoying_tower_of_hanoi-cd333ef8d7d1c450.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ca74a2d9c5166d9f.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e31ab23316ed5080.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-27dc4aa955912662.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-bd0d6cccce077b99.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-8d001680935b5e3c.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ba8ce71964f984f4.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-99a73526abcec14b.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-63ac0d22cff92579.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-9057355c92c922d5.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-358be9bc1f6bab04.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-aca15549d5bff974.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-8251d2cef7072448.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-7d50b86011c66411.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-51ea098fce5006bf.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-5a14e0d0b712e731.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8b83dbf3a7b8f999.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c6fd227bdc7b39ff.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-959d3389fa3da8a5.rlib" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-abe05db089cc2c62.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.83.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/tmp/rustdoctesttTB6h9/rust_out" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: final link failed: No space left on device [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - HanoiTower::last_tower (line 37) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.98s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "143eb688940e24cfa82b80f2ac71eaa928bf399b3ad3f9404ff2806dc9421951", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "143eb688940e24cfa82b80f2ac71eaa928bf399b3ad3f9404ff2806dc9421951", kill_on_drop: false }` [INFO] [stdout] 143eb688940e24cfa82b80f2ac71eaa928bf399b3ad3f9404ff2806dc9421951