[INFO] cloning repository https://github.com/eric-wood/vst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eric-wood/vst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric-wood%2Fvst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric-wood%2Fvst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e18403cbe02010445036c6816f0204b702cf5673
[INFO] checking eric-wood/vst against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric-wood%2Fvst" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eric-wood/vst on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eric-wood/vst
[INFO] finished tweaking git repo https://github.com/eric-wood/vst
[INFO] tweaked toml for git repo https://github.com/eric-wood/vst written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/eric-wood/vst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e5cd58ca9cc53f2c8b1e78175743877b717b52a5abec3445bb243e407c20b33
[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" "7e5cd58ca9cc53f2c8b1e78175743877b717b52a5abec3445bb243e407c20b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e5cd58ca9cc53f2c8b1e78175743877b717b52a5abec3445bb243e407c20b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5cd58ca9cc53f2c8b1e78175743877b717b52a5abec3445bb243e407c20b33", kill_on_drop: false }`
[INFO] [stdout] 7e5cd58ca9cc53f2c8b1e78175743877b717b52a5abec3445bb243e407c20b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--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] a7e5b5b9ce7de7234ffc5dec789c7a950f0d1cf06ed47497815052afdd52f2de
[INFO] running `Command { std: "docker" "start" "-a" "a7e5b5b9ce7de7234ffc5dec789c7a950f0d1cf06ed47497815052afdd52f2de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking vst v0.2.1
[INFO] [stderr]    Compiling baseplug-derive v0.1.0 (https://github.com/wrl/baseplug?branch=trunk#22d31f4b)
[INFO] [stderr]     Checking baseplug v0.1.0 (https://github.com/wrl/baseplug?branch=trunk#22d31f4b)
[INFO] [stderr]     Checking vst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/clipper.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn set(&mut self, gain: f32) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BandPass`
[INFO] [stdout]  --> src/svf.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   BandPass,
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AllPass`
[INFO] [stdout]  --> src/svf.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   AllPass,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Notch`
[INFO] [stdout]  --> src/svf.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   Notch,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Peak`
[INFO] [stdout]   --> src/svf.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   Peak,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sample_rate`
[INFO] [stdout]   --> src/svf.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |   sample_rate: f32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/svf.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn set(&mut self, cutoff: f32, resonance: f32) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/clipper.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn set(&mut self, gain: f32) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BandPass`
[INFO] [stdout]  --> src/svf.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   BandPass,
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AllPass`
[INFO] [stdout]  --> src/svf.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   AllPass,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Notch`
[INFO] [stdout]  --> src/svf.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   Notch,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Peak`
[INFO] [stdout]   --> src/svf.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   Peak,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sample_rate`
[INFO] [stdout]   --> src/svf.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |   sample_rate: f32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/svf.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn set(&mut self, cutoff: f32, resonance: f32) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.27s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7e5b5b9ce7de7234ffc5dec789c7a950f0d1cf06ed47497815052afdd52f2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e5b5b9ce7de7234ffc5dec789c7a950f0d1cf06ed47497815052afdd52f2de", kill_on_drop: false }`
[INFO] [stdout] a7e5b5b9ce7de7234ffc5dec789c7a950f0d1cf06ed47497815052afdd52f2de