[INFO] cloning repository https://github.com/auri-gabriel/adaline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/auri-gabriel/adaline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fauri-gabriel%2Fadaline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fauri-gabriel%2Fadaline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74c83255ec44c53d9e50add4c077442fa5eb5a93
[INFO] checking auri-gabriel/adaline against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fauri-gabriel%2Fadaline" "/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/auri-gabriel/adaline
[INFO] finished tweaking git repo https://github.com/auri-gabriel/adaline
[INFO] tweaked toml for git repo https://github.com/auri-gabriel/adaline written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/auri-gabriel/adaline on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/auri-gabriel/adaline 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" "+36b21637e93b038453924d3c66821089e71d8baa" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eecd4ee6f451c6b7da844c96578ae3a357ce38d4260317feb7115db722cf6e6
[INFO] running `Command { std: "docker" "start" "-a" "3eecd4ee6f451c6b7da844c96578ae3a357ce38d4260317feb7115db722cf6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eecd4ee6f451c6b7da844c96578ae3a357ce38d4260317feb7115db722cf6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eecd4ee6f451c6b7da844c96578ae3a357ce38d4260317feb7115db722cf6e6", kill_on_drop: false }`
[INFO] [stdout] 3eecd4ee6f451c6b7da844c96578ae3a357ce38d4260317feb7115db722cf6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3af9a470ffa22dd2cb443d96264fd214403d86683a338745600a843abfcd09a
[INFO] running `Command { std: "docker" "start" "-a" "e3af9a470ffa22dd2cb443d96264fd214403d86683a338745600a843abfcd09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]     Checking adaline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/adaline.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         for k in 1..max_iterations {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/adaline.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         for k in 1..max_iterations {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `or`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let or = [-1., 1., 1., 1.];
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_or`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xor`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let xor = [-1., -1., 1., 1.];
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_xor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sum` is never read
[INFO] [stdout]   --> src/adaline.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Adaline {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub(crate) sum: f64,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Adaline` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_results` is never used
[INFO] [stdout]    --> src/adaline.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Adaline {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub(crate) fn show_results(&mut self) -> () {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `or`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let or = [-1., 1., 1., 1.];
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_or`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xor`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let xor = [-1., -1., 1., 1.];
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_xor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sum` is never read
[INFO] [stdout]   --> src/adaline.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Adaline {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub(crate) sum: f64,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Adaline` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `show_results` is never used
[INFO] [stdout]    --> src/adaline.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Adaline {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub(crate) fn show_results(&mut self) -> () {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "e3af9a470ffa22dd2cb443d96264fd214403d86683a338745600a843abfcd09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3af9a470ffa22dd2cb443d96264fd214403d86683a338745600a843abfcd09a", kill_on_drop: false }`
[INFO] [stdout] e3af9a470ffa22dd2cb443d96264fd214403d86683a338745600a843abfcd09a