[INFO] cloning repository https://github.com/nbardiuk/rusty-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbardiuk/rusty-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Frusty-synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Frusty-synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a05095e0fa596b62f07349d6122cd9029159ba5
[INFO] checking nbardiuk/rusty-synth against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbardiuk%2Frusty-synth" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nbardiuk/rusty-synth
[INFO] finished tweaking git repo https://github.com/nbardiuk/rusty-synth
[INFO] tweaked toml for git repo https://github.com/nbardiuk/rusty-synth written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nbardiuk/rusty-synth on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nbardiuk/rusty-synth 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 696046642c7e4a4a76c174c917adfd90827183b63b29f03e44a4788b43a13061
[INFO] running `Command { std: "docker" "start" "696046642c7e4a4a76c174c917adfd90827183b63b29f03e44a4788b43a13061", 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" "696046642c7e4a4a76c174c917adfd90827183b63b29f03e44a4788b43a13061" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "696046642c7e4a4a76c174c917adfd90827183b63b29f03e44a4788b43a13061", 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" "696046642c7e4a4a76c174c917adfd90827183b63b29f03e44a4788b43a13061" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rusty-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `sine`, `square`, `triangle`, and `noise` are never used
[INFO] [stdout]    --> src/main.rs:78:8
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl<'a> Synth<'a> {
[INFO] [stdout]     | ------------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  78 |     fn sine(w: f32) -> f32 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     fn square(w: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn triangle(w: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn noise(w: f32) -> f32 {
[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 functions `sine`, `square`, `triangle`, and `noise` are never used
[INFO] [stdout]    --> src/main.rs:78:8
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl<'a> Synth<'a> {
[INFO] [stdout]     | ------------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  78 |     fn sine(w: f32) -> f32 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     fn square(w: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn triangle(w: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn noise(w: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "696046642c7e4a4a76c174c917adfd90827183b63b29f03e44a4788b43a13061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696046642c7e4a4a76c174c917adfd90827183b63b29f03e44a4788b43a13061", kill_on_drop: false }`
[INFO] [stdout] 696046642c7e4a4a76c174c917adfd90827183b63b29f03e44a4788b43a13061
