[INFO] cloning repository https://github.com/coniferprod/sevenator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coniferprod/sevenator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconiferprod%2Fsevenator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconiferprod%2Fsevenator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 089fc0f695414d3013fa4a465211220778aaae0e
[INFO] checking coniferprod/sevenator against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconiferprod%2Fsevenator" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coniferprod/sevenator on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coniferprod/sevenator
[INFO] finished tweaking git repo https://github.com/coniferprod/sevenator
[INFO] tweaked toml for git repo https://github.com/coniferprod/sevenator written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/coniferprod/sevenator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b84d8d3e7106ee8a9e46cc83cfb93b01356f20196c07533cc60c2332a289711a
[INFO] running `Command { std: "docker" "start" "-a" "b84d8d3e7106ee8a9e46cc83cfb93b01356f20196c07533cc60c2332a289711a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b84d8d3e7106ee8a9e46cc83cfb93b01356f20196c07533cc60c2332a289711a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84d8d3e7106ee8a9e46cc83cfb93b01356f20196c07533cc60c2332a289711a", kill_on_drop: false }`
[INFO] [stdout] b84d8d3e7106ee8a9e46cc83cfb93b01356f20196c07533cc60c2332a289711a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b66c7b9ae1d83633b48a9f218ff6249ef3946c14e3a22b18c600c3fea2ec8ab
[INFO] running `Command { std: "docker" "start" "-a" "2b66c7b9ae1d83633b48a9f218ff6249ef3946c14e3a22b18c600c3fea2ec8ab", kill_on_drop: false }`
[INFO] [stderr]     Checking sevenator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `brass1`
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let brass1 = Voice {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_brass1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]    --> src/lib.rs:294:12
[INFO] [stdout]     |
[INFO] [stdout] 294 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fixed`
[INFO] [stdout]    --> src/lib.rs:317:5
[INFO] [stdout]     |
[INFO] [stdout] 317 |     Fixed,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]    --> src/lib.rs:351:12
[INFO] [stdout]     |
[INFO] [stdout] 351 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SawDown`
[INFO] [stdout]    --> src/lib.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 402 |     SawDown,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SawUp`
[INFO] [stdout]    --> src/lib.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |     SawUp,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Square`
[INFO] [stdout]    --> src/lib.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     Square,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sine`
[INFO] [stdout]    --> src/lib.rs:405:5
[INFO] [stdout]     |
[INFO] [stdout] 405 |     Sine,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SampleAndHold`
[INFO] [stdout]    --> src/lib.rs:406:5
[INFO] [stdout]     |
[INFO] [stdout] 406 |     SampleAndHold,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]    --> src/lib.rs:432:12
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]    --> src/lib.rs:495:12
[INFO] [stdout]     |
[INFO] [stdout] 495 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brass1`
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let brass1 = Voice {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_brass1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sync`
[INFO] [stdout]    --> src/lib.rs:924:13
[INFO] [stdout]     |
[INFO] [stdout] 924 |         let sync = true;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]    --> src/lib.rs:294:12
[INFO] [stdout]     |
[INFO] [stdout] 294 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fixed`
[INFO] [stdout]    --> src/lib.rs:317:5
[INFO] [stdout]     |
[INFO] [stdout] 317 |     Fixed,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]    --> src/lib.rs:351:12
[INFO] [stdout]     |
[INFO] [stdout] 351 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SawDown`
[INFO] [stdout]    --> src/lib.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 402 |     SawDown,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SawUp`
[INFO] [stdout]    --> src/lib.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |     SawUp,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SampleAndHold`
[INFO] [stdout]    --> src/lib.rs:406:5
[INFO] [stdout]     |
[INFO] [stdout] 406 |     SampleAndHold,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]    --> src/lib.rs:432:12
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]    --> src/lib.rs:495:12
[INFO] [stdout]     |
[INFO] [stdout] 495 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sevenator::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sevenator::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sevenator::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sevenator::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b66c7b9ae1d83633b48a9f218ff6249ef3946c14e3a22b18c600c3fea2ec8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b66c7b9ae1d83633b48a9f218ff6249ef3946c14e3a22b18c600c3fea2ec8ab", kill_on_drop: false }`
[INFO] [stdout] 2b66c7b9ae1d83633b48a9f218ff6249ef3946c14e3a22b18c600c3fea2ec8ab