[INFO] cloning repository https://github.com/SKTT1Ryze/rust-piano
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SKTT1Ryze/rust-piano" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSKTT1Ryze%2Frust-piano", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSKTT1Ryze%2Frust-piano'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 439d626dff9393bc177d62f784e67767b60093dd
[INFO] checking SKTT1Ryze/rust-piano against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSKTT1Ryze%2Frust-piano" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SKTT1Ryze/rust-piano
[INFO] finished tweaking git repo https://github.com/SKTT1Ryze/rust-piano
[INFO] tweaked toml for git repo https://github.com/SKTT1Ryze/rust-piano written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SKTT1Ryze/rust-piano 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/SKTT1Ryze/rust-piano 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 30743a32213826d52dc7830e75bcfcb55dcca07adc751256ab1f7ab8770912a4
[INFO] running `Command { std: "docker" "start" "30743a32213826d52dc7830e75bcfcb55dcca07adc751256ab1f7ab8770912a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30743a32213826d52dc7830e75bcfcb55dcca07adc751256ab1f7ab8770912a4", 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" "30743a32213826d52dc7830e75bcfcb55dcca07adc751256ab1f7ab8770912a4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30743a32213826d52dc7830e75bcfcb55dcca07adc751256ab1f7ab8770912a4", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.80
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[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking numtoa v0.1.0
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking mp3-duration v0.1.10
[INFO] [stderr]     Checking rodio v0.13.0
[INFO] [stderr]     Checking rust-piano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `location`, `coords`, and `status` are never read
[INFO] [stdout]   --> src/piano/app.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Server<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 72 |     pub name: &'a str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 73 |     pub location: &'a str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 74 |     pub coords: (f64, f64),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 75 |     pub status: &'a str,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `servers` is never read
[INFO] [stdout]   --> src/piano/app.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct App<'a> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub servers: Vec<Server<'a>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `location`, `coords`, and `status` are never read
[INFO] [stdout]   --> src/piano/app.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Server<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 72 |     pub name: &'a str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 73 |     pub location: &'a str,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 74 |     pub coords: (f64, f64),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 75 |     pub status: &'a str,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `servers` is never read
[INFO] [stdout]   --> src/piano/app.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct App<'a> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub servers: Vec<Server<'a>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/piano/player.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         drop(&self.sink_list[0]);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&rodio::Sink`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 105 -         drop(&self.sink_list[0]);
[INFO] [stdout] 105 +         let _ = &self.sink_list[0];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/piano/player.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         drop(&self.sink_list[0]);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&rodio::Sink`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 105 -         drop(&self.sink_list[0]);
[INFO] [stdout] 105 +         let _ = &self.sink_list[0];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/util/mod.rs:63:41
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState {
[INFO] [stdout]    |                             --          ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState<'a> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/util/mod.rs:63:41
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState {
[INFO] [stdout]    |                             --          ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new(titles: Vec<&'a str>) -> TabsState<'a> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.02s
[INFO] running `Command { std: "docker" "inspect" "30743a32213826d52dc7830e75bcfcb55dcca07adc751256ab1f7ab8770912a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30743a32213826d52dc7830e75bcfcb55dcca07adc751256ab1f7ab8770912a4", kill_on_drop: false }`
[INFO] [stdout] 30743a32213826d52dc7830e75bcfcb55dcca07adc751256ab1f7ab8770912a4
