[INFO] cloning repository https://github.com/k4leg/turing_machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k4leg/turing_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk4leg%2Fturing_machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk4leg%2Fturing_machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb120a6978fb437975ce5e2eaae7424f55c4b531
[INFO] checking k4leg/turing_machine against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk4leg%2Fturing_machine" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/k4leg/turing_machine
[INFO] finished tweaking git repo https://github.com/k4leg/turing_machine
[INFO] tweaked toml for git repo https://github.com/k4leg/turing_machine written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/k4leg/turing_machine on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: associated functions `new` and `from` are never used
[INFO] [stdout]   --> src/turing_machine.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl TuringMachine {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] 21 |     pub fn new(start_tapes: &[&str], start_state: String, program: Program) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn from(start_tape: &str, commands: Vec<Command>) -> Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `len` are never used
[INFO] [stdout]    --> src/turing_machine/tape.rs:52:12
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl Tape {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout]  52 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/turing_machine/tape.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn iter(&self) -> TapeIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn iter(&self) -> TapeIter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]    --> src/turing_machine/tape.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl Tape {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/turing_machine/tape.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn iter(&self) -> TapeIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn iter(&self) -> TapeIter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.93s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ashpd v0.9.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "54f81857b5a505e0b7c5939229dd022270040ff08e1b1672cbc5526be45c5895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f81857b5a505e0b7c5939229dd022270040ff08e1b1672cbc5526be45c5895", kill_on_drop: false }`
[INFO] [stdout] 54f81857b5a505e0b7c5939229dd022270040ff08e1b1672cbc5526be45c5895
