[INFO] cloning repository https://github.com/KMatthewMarsden/dsp-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KMatthewMarsden/dsp-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKMatthewMarsden%2Fdsp-synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKMatthewMarsden%2Fdsp-synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd6e9468772d646e6009f055130caca0de1e7210
[INFO] testing KMatthewMarsden/dsp-synth against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKMatthewMarsden%2Fdsp-synth" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KMatthewMarsden/dsp-synth on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KMatthewMarsden/dsp-synth
[INFO] finished tweaking git repo https://github.com/KMatthewMarsden/dsp-synth
[INFO] tweaked toml for git repo https://github.com/KMatthewMarsden/dsp-synth written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/KMatthewMarsden/dsp-synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d010c5f6a04e587613298e049bc52396fdf4c768cc52e96b8a7d0a0c0fedd73
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d010c5f6a04e587613298e049bc52396fdf4c768cc52e96b8a7d0a0c0fedd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d010c5f6a04e587613298e049bc52396fdf4c768cc52e96b8a7d0a0c0fedd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d010c5f6a04e587613298e049bc52396fdf4c768cc52e96b8a7d0a0c0fedd73", kill_on_drop: false }`
[INFO] [stdout] 9d010c5f6a04e587613298e049bc52396fdf4c768cc52e96b8a7d0a0c0fedd73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f6cb55837bda223e4ba9a5c38850bbe47ea5e975dbe9ee3c586578b5b3c4728
[INFO] running `Command { std: "docker" "start" "-a" "1f6cb55837bda223e4ba9a5c38850bbe47ea5e975dbe9ee3c586578b5b3c4728", kill_on_drop: false }`
[INFO] [stderr]    Compiling dsp-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let mut x = outwav::get_oscillator(n as f32, 256 as f32);
[INFO] [stdout]   |             ----^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sampleRate` should have a snake case name
[INFO] [stdout]  --> src/outwav.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_oscillator(freq: f32, sampleRate: f32) -> f32 {
[INFO] [stdout]   |                                  ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "1f6cb55837bda223e4ba9a5c38850bbe47ea5e975dbe9ee3c586578b5b3c4728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6cb55837bda223e4ba9a5c38850bbe47ea5e975dbe9ee3c586578b5b3c4728", kill_on_drop: false }`
[INFO] [stdout] 1f6cb55837bda223e4ba9a5c38850bbe47ea5e975dbe9ee3c586578b5b3c4728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48beba2c5df7b7f0ab2372f98eab2526d3a2415cefc32f3003a918586f0a7b31
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48beba2c5df7b7f0ab2372f98eab2526d3a2415cefc32f3003a918586f0a7b31", kill_on_drop: false }`
[INFO] [stderr]    Compiling dsp-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let mut x = outwav::get_oscillator(n as f32, 256 as f32);
[INFO] [stdout]   |             ----^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sampleRate` should have a snake case name
[INFO] [stdout]  --> src/outwav.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_oscillator(freq: f32, sampleRate: f32) -> f32 {
[INFO] [stdout]   |                                  ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48beba2c5df7b7f0ab2372f98eab2526d3a2415cefc32f3003a918586f0a7b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48beba2c5df7b7f0ab2372f98eab2526d3a2415cefc32f3003a918586f0a7b31", kill_on_drop: false }`
[INFO] [stdout] 48beba2c5df7b7f0ab2372f98eab2526d3a2415cefc32f3003a918586f0a7b31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6699029a58d88f1cd70d57cf3bf51275d6639aa6f93e90a8971cbf6f1244a61b
[INFO] running `Command { std: "docker" "start" "-a" "6699029a58d88f1cd70d57cf3bf51275d6639aa6f93e90a8971cbf6f1244a61b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:6:13
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 6 |         let mut x = outwav::get_oscillator(n as f32, 256 as f32);
[INFO] [stdout] 
[INFO] [stderr]   |             ----^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sampleRate` should have a snake case name
[INFO] [stderr]  --> src/outwav.rs:5:34
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_oscillator(freq: f32, sampleRate: f32) -> f32 {
[INFO] [stderr]   |                                  ^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dsp-synth` (bin "dsp-synth" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dsp_synth-b86011f285bf9601)
[INFO] running `Command { std: "docker" "inspect" "6699029a58d88f1cd70d57cf3bf51275d6639aa6f93e90a8971cbf6f1244a61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6699029a58d88f1cd70d57cf3bf51275d6639aa6f93e90a8971cbf6f1244a61b", kill_on_drop: false }`
[INFO] [stdout] 6699029a58d88f1cd70d57cf3bf51275d6639aa6f93e90a8971cbf6f1244a61b