[INFO] cloning repository https://github.com/nathanljones/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/nathanljones/turing-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanljones%2Fturing-machine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanljones%2Fturing-machine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b18f06c907a2c61ec9e2bcd4a3403fa5574d15d6 [INFO] checking nathanljones/turing-machine against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanljones%2Fturing-machine" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nathanljones/turing-machine on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nathanljones/turing-machine [INFO] finished tweaking git repo https://github.com/nathanljones/turing-machine [INFO] tweaked toml for git repo https://github.com/nathanljones/turing-machine written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nathanljones/turing-machine 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d6879621b2b94e83a6a565de19615a4a283281599613657ca9cb24e8f952350 [INFO] running `Command { std: "docker" "start" "-a" "7d6879621b2b94e83a6a565de19615a4a283281599613657ca9cb24e8f952350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d6879621b2b94e83a6a565de19615a4a283281599613657ca9cb24e8f952350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d6879621b2b94e83a6a565de19615a4a283281599613657ca9cb24e8f952350", kill_on_drop: false }` [INFO] [stdout] 7d6879621b2b94e83a6a565de19615a4a283281599613657ca9cb24e8f952350 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe21e044f950390694de51d8952ef5b6440fea8fd19c85db26454a86412e97c6 [INFO] running `Command { std: "docker" "start" "-a" "fe21e044f950390694de51d8952ef5b6440fea8fd19c85db26454a86412e97c6", kill_on_drop: false }` [INFO] [stderr] Checking turing-machine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/tape.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Direction` is never used [INFO] [stdout] --> src/direction.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Direction { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InstructionKey` is never constructed [INFO] [stdout] --> src/instruction.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct InstructionKey { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Instruction` is never constructed [INFO] [stdout] --> src/instruction.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Instruction { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Instructions` is never constructed [INFO] [stdout] --> src/instruction.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Instructions { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get_next_instruction`, and `add_instruction` are never used [INFO] [stdout] --> src/instruction.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Instructions { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 23 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn get_next_instruction(&self, instruction_key: InstructionKey) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn add_instruction(&mut self, instruction_key: InstructionKey, instruction: Instruction) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `setup_data` is never used [INFO] [stdout] --> src/instruction.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn setup_data()->Instructions { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tape` is never constructed [INFO] [stdout] --> src/tape.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Tape { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/tape.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl Tape { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 7 | pub fn new() -> Tape { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn add_cell_left(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn add_cell_right(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn move_left(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn move_right(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn read(&self) -> char { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn write(&mut self, c: char) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `None` is never constructed [INFO] [stdout] --> src/direction.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Direction { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 5 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "fe21e044f950390694de51d8952ef5b6440fea8fd19c85db26454a86412e97c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe21e044f950390694de51d8952ef5b6440fea8fd19c85db26454a86412e97c6", kill_on_drop: false }` [INFO] [stdout] fe21e044f950390694de51d8952ef5b6440fea8fd19c85db26454a86412e97c6