[INFO] cloning repository https://github.com/ThatsGobbles/niente
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThatsGobbles/niente" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fniente", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fniente'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65b7fee8d45e1710a95ef207330e7d41b976b828
[INFO] checking ThatsGobbles/niente against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fniente" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/niente on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThatsGobbles/niente
[INFO] finished tweaking git repo https://github.com/ThatsGobbles/niente
[INFO] tweaked toml for git repo https://github.com/ThatsGobbles/niente written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatsGobbles/niente already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.15.0
[INFO] [stderr]   Downloaded circular-queue v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", 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] da12c87af533a2a1526f86c4e3c5113c6cbcc38806f9750c3a27d55d464c95b6
[INFO] running `Command { std: "docker" "start" "-a" "da12c87af533a2a1526f86c4e3c5113c6cbcc38806f9750c3a27d55d464c95b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da12c87af533a2a1526f86c4e3c5113c6cbcc38806f9750c3a27d55d464c95b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da12c87af533a2a1526f86c4e3c5113c6cbcc38806f9750c3a27d55d464c95b6", kill_on_drop: false }`
[INFO] [stdout] da12c87af533a2a1526f86c4e3c5113c6cbcc38806f9750c3a27d55d464c95b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdb6fe1e3297254b6c29aa8b8d6f967003a50df6076168e0c7dbcdd45128cd48
[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" "fdb6fe1e3297254b6c29aa8b8d6f967003a50df6076168e0c7dbcdd45128cd48", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular-queue v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking regulus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Parameters`
[INFO] [stdout]   --> src/biquad.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct Parameters {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_coefficients`
[INFO] [stdout]    --> src/biquad.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn from_coefficients(co: &Coefficients) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/gating.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::wave::WaveKind`
[INFO] [stdout]   --> src/gating.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     use crate::wave::WaveKind;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::wave::WaveGen`
[INFO] [stdout]   --> src/gating.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use crate::wave::WaveGen;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parameters`
[INFO] [stdout]   --> src/biquad.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct Parameters {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_coefficients`
[INFO] [stdout]    --> src/biquad.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn from_coefficients(co: &Coefficients) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "fdb6fe1e3297254b6c29aa8b8d6f967003a50df6076168e0c7dbcdd45128cd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb6fe1e3297254b6c29aa8b8d6f967003a50df6076168e0c7dbcdd45128cd48", kill_on_drop: false }`
[INFO] [stdout] fdb6fe1e3297254b6c29aa8b8d6f967003a50df6076168e0c7dbcdd45128cd48
