[INFO] cloning repository https://github.com/reuniware/audio_recorder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reuniware/audio_recorder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freuniware%2Faudio_recorder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freuniware%2Faudio_recorder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c341b986137a94cf39cf45ca2bc081d115c8d0c4
[INFO] checking reuniware/audio_recorder against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freuniware%2Faudio_recorder" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/reuniware/audio_recorder
[INFO] finished tweaking git repo https://github.com/reuniware/audio_recorder
[INFO] tweaked toml for git repo https://github.com/reuniware/audio_recorder written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/reuniware/audio_recorder on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/reuniware/audio_recorder 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `audio_recorder` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-5-tc1/source/target/.../audio_recorder
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `audio-recorder`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 - name = "audio_recorder"
[INFO] [stderr] 11 + name = "audio-recorder"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `audio-recorder`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 ~ opt-level = 3
[INFO] [stderr] 16 + [[bin]]
[INFO] [stderr] 17 + name = "audio-recorder"
[INFO] [stderr] 18 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `audio_recorder` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f527d4cc77c62b961912088d06a54044ac867dc92d6a62e34e2fdce0fcb9d0c4
[INFO] running `Command { std: "docker" "start" "f527d4cc77c62b961912088d06a54044ac867dc92d6a62e34e2fdce0fcb9d0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f527d4cc77c62b961912088d06a54044ac867dc92d6a62e34e2fdce0fcb9d0c4", 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" "f527d4cc77c62b961912088d06a54044ac867dc92d6a62e34e2fdce0fcb9d0c4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f527d4cc77c62b961912088d06a54044ac867dc92d6a62e34e2fdce0fcb9d0c4", 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" "f527d4cc77c62b961912088d06a54044ac867dc92d6a62e34e2fdce0fcb9d0c4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `audio_recorder` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../audio_recorder
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `audio-recorder`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 - name = "audio_recorder"
[INFO] [stderr] 11 + name = "audio-recorder"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `audio-recorder`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 ~ opt-level = 3
[INFO] [stderr] 16 + [[bin]]
[INFO] [stderr] 17 + name = "audio-recorder"
[INFO] [stderr] 18 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `audio_recorder` (manifest) generated 1 warning
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking ctrlc v3.5.2
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking audio_recorder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value captured by `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     sum += (f as f64) * (f as f64);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     sum += (f as f64) * (f as f64);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     sum += (f as f64) * (f as f64);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     sum += (f as f64) * (f as f64);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |                     sum += (s as f64) * (s as f64);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |                     sum += (s as f64) * (s as f64);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     sum += (f as f64) * (f as f64);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     sum += (f as f64) * (f as f64);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     sum += (f as f64) * (f as f64);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     sum += (f as f64) * (f as f64);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |                     sum += (s as f64) * (s as f64);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]    --> src/recorder.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |                     sum += (s as f64) * (s as f64);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.31.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] running `Command { std: "docker" "inspect" "f527d4cc77c62b961912088d06a54044ac867dc92d6a62e34e2fdce0fcb9d0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f527d4cc77c62b961912088d06a54044ac867dc92d6a62e34e2fdce0fcb9d0c4", kill_on_drop: false }`
[INFO] [stdout] f527d4cc77c62b961912088d06a54044ac867dc92d6a62e34e2fdce0fcb9d0c4
