[INFO] cloning repository https://github.com/Gteditor99/pdc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gteditor99/pdc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGteditor99%2Fpdc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGteditor99%2Fpdc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d7a31ef29f8d41fe37fe0222c6071f037d5f91e
[INFO] checking Gteditor99/pdc against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGteditor99%2Fpdc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Gteditor99/pdc
[INFO] finished tweaking git repo https://github.com/Gteditor99/pdc
[INFO] tweaked toml for git repo https://github.com/Gteditor99/pdc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Gteditor99/pdc on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Gteditor99/pdc 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e5a8c6ee8eabad00e107fb59c2c5cdb14bd5fd4d612ad0f271eb028a0372776d
[INFO] running `Command { std: "docker" "start" "e5a8c6ee8eabad00e107fb59c2c5cdb14bd5fd4d612ad0f271eb028a0372776d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5a8c6ee8eabad00e107fb59c2c5cdb14bd5fd4d612ad0f271eb028a0372776d", 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" "e5a8c6ee8eabad00e107fb59c2c5cdb14bd5fd4d612ad0f271eb028a0372776d" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5a8c6ee8eabad00e107fb59c2c5cdb14bd5fd4d612ad0f271eb028a0372776d", 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" "e5a8c6ee8eabad00e107fb59c2c5cdb14bd5fd4d612ad0f271eb028a0372776d" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking pdc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut threads = Vec::<thread::JoinHandle<()>>::new();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut threads = Vec::<thread::JoinHandle<()>>::new();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `threads`
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut threads = Vec::<thread::JoinHandle<()>>::new();
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `threads`
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut threads = Vec::<thread::JoinHandle<()>>::new();
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_id`
[INFO] [stdout]    --> src/main.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let thread_id = format!("Worker {}", i);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_id`
[INFO] [stdout]    --> src/main.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let thread_id = format!("Worker {}", i);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/main.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let thread = thread::spawn(move || {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread`
[INFO] [stdout]    --> src/main.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let thread = thread::spawn(move || {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "e5a8c6ee8eabad00e107fb59c2c5cdb14bd5fd4d612ad0f271eb028a0372776d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a8c6ee8eabad00e107fb59c2c5cdb14bd5fd4d612ad0f271eb028a0372776d", kill_on_drop: false }`
[INFO] [stdout] e5a8c6ee8eabad00e107fb59c2c5cdb14bd5fd4d612ad0f271eb028a0372776d
