[INFO] cloning repository https://github.com/LoganBarnett/necrodancer-encounter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LoganBarnett/necrodancer-encounter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLoganBarnett%2Fnecrodancer-encounter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLoganBarnett%2Fnecrodancer-encounter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d1fda614bc2f260a34d44dd99c8116286109bec
[INFO] checking LoganBarnett/necrodancer-encounter against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLoganBarnett%2Fnecrodancer-encounter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LoganBarnett/necrodancer-encounter
[INFO] finished tweaking git repo https://github.com/LoganBarnett/necrodancer-encounter
[INFO] tweaked toml for git repo https://github.com/LoganBarnett/necrodancer-encounter written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LoganBarnett/necrodancer-encounter on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LoganBarnett/necrodancer-encounter 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3538e7496da808c6e56ed2b67430b347482f8e9f0967badad1a0c5e75917934b
[INFO] running `Command { std: "docker" "start" "3538e7496da808c6e56ed2b67430b347482f8e9f0967badad1a0c5e75917934b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3538e7496da808c6e56ed2b67430b347482f8e9f0967badad1a0c5e75917934b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3538e7496da808c6e56ed2b67430b347482f8e9f0967badad1a0c5e75917934b" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3538e7496da808c6e56ed2b67430b347482f8e9f0967badad1a0c5e75917934b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3538e7496da808c6e56ed2b67430b347482f8e9f0967badad1a0c5e75917934b" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/directions.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/directions.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/directions.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn generate(n: u32) -> Self {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ParseError` is never constructed
[INFO] [stdout]  --> src/error.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum AppError {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 7 |   FileOpenError(std::io::Error),
[INFO] [stdout] 8 |   ParseError(<PathBuf as FromStr>::Err),
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/directions.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn generate(n: u32) -> Self {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ParseError` is never constructed
[INFO] [stdout]  --> src/error.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum AppError {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 7 |   FileOpenError(std::io::Error),
[INFO] [stdout] 8 |   ParseError(<PathBuf as FromStr>::Err),
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `strum`
[INFO] [stderr]   --> Cargo.toml:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 | [dependencies.strum]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `strum`
[INFO] [stderr] warning: `necrodancer-encounter` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "3538e7496da808c6e56ed2b67430b347482f8e9f0967badad1a0c5e75917934b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3538e7496da808c6e56ed2b67430b347482f8e9f0967badad1a0c5e75917934b", kill_on_drop: false }`
[INFO] [stdout] 3538e7496da808c6e56ed2b67430b347482f8e9f0967badad1a0c5e75917934b
