[INFO] cloning repository https://github.com/deltronix/light-controller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deltronix/light-controller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeltronix%2Flight-controller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeltronix%2Flight-controller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9502de434e0eb3400e15f4cb84af13ef3170229c
[INFO] checking deltronix/light-controller against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeltronix%2Flight-controller" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/deltronix/light-controller
[INFO] finished tweaking git repo https://github.com/deltronix/light-controller
[INFO] tweaked toml for git repo https://github.com/deltronix/light-controller written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/deltronix/light-controller on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/deltronix/light-controller 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a697fe34e2c424c2a56edbb97258af2df172f855c60671a8e22da39a67fc633f
[INFO] running `Command { std: "docker" "start" "-a" "a697fe34e2c424c2a56edbb97258af2df172f855c60671a8e22da39a67fc633f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a697fe34e2c424c2a56edbb97258af2df172f855c60671a8e22da39a67fc633f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a697fe34e2c424c2a56edbb97258af2df172f855c60671a8e22da39a67fc633f", kill_on_drop: false }`
[INFO] [stdout] a697fe34e2c424c2a56edbb97258af2df172f855c60671a8e22da39a67fc633f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3aa7bcb5428a3779e52169e719ff9d3c46b777f29141fd6c2cd9d6a76856baa
[INFO] running `Command { std: "docker" "start" "-a" "f3aa7bcb5428a3779e52169e719ff9d3c46b777f29141fd6c2cd9d6a76856baa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking host v0.1.0 (/opt/rustwide/workdir/host)
[INFO] [stderr]     Checking lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stdout] warning: unused import: `num_traits::Float`
[INFO] [stdout]  --> lib/src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use num_traits::Float;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `EnvelopeDetector` is never constructed
[INFO] [stdout]  --> lib/src/lib.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct EnvelopeDetector<const N_CHANNELS: usize> {
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attack`, `release`, and `last_frame` are never read
[INFO] [stdout]  --> lib/src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct EnvelopeDetector<const N_CHANNELS: usize> {
[INFO] [stdout]   |                ---------------- fields in this struct
[INFO] [stdout] 6 |         attack: f32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 7 |         release: f32,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 8 |         last_frame: [f32; N_CHANNELS],
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lib` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `EnvelopeDetector` is never constructed
[INFO] [stdout]  --> lib/src/lib.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct EnvelopeDetector<const N_CHANNELS: usize> {
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attack`, `release`, and `last_frame` are never read
[INFO] [stdout]  --> lib/src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub struct EnvelopeDetector<const N_CHANNELS: usize> {
[INFO] [stdout]   |                ---------------- fields in this struct
[INFO] [stdout] 6 |         attack: f32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 7 |         release: f32,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 8 |         last_frame: [f32; N_CHANNELS],
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lib` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f3aa7bcb5428a3779e52169e719ff9d3c46b777f29141fd6c2cd9d6a76856baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3aa7bcb5428a3779e52169e719ff9d3c46b777f29141fd6c2cd9d6a76856baa", kill_on_drop: false }`
[INFO] [stdout] f3aa7bcb5428a3779e52169e719ff9d3c46b777f29141fd6c2cd9d6a76856baa