[INFO] cloning repository https://github.com/yusdacra/musikquadrupled
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yusdacra/musikquadrupled" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fmusikquadrupled", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fmusikquadrupled'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 012976467e3efd9c1aeb4c064100c5203eb6a791
[INFO] checking yusdacra/musikquadrupled against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fmusikquadrupled" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yusdacra/musikquadrupled on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/yusdacra/musikquadrupled
[INFO] finished tweaking git repo https://github.com/yusdacra/musikquadrupled
[INFO] tweaked toml for git repo https://github.com/yusdacra/musikquadrupled written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yusdacra/musikquadrupled 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "d9396e8a2eb1386c0da9693bbbf82b58751610a9522296ab8a7cb3c4d2a3f7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9396e8a2eb1386c0da9693bbbf82b58751610a9522296ab8a7cb3c4d2a3f7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9396e8a2eb1386c0da9693bbbf82b58751610a9522296ab8a7cb3c4d2a3f7a5", kill_on_drop: false }`
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[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/utils.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Ping(Vec<u8>),
[INFO] [stdout]    |     ---- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Ping(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/utils.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Pong(Vec<u8>),
[INFO] [stdout]    |     ---- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Pong(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_closed` is never used
[INFO] [stdout]   --> src/utils.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl WsError {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 27 |     pub(crate) fn is_closed(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/utils.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Ping(Vec<u8>),
[INFO] [stdout]    |     ---- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Ping(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/utils.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Pong(Vec<u8>),
[INFO] [stdout]    |     ---- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Pong(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_closed` is never used
[INFO] [stdout]   --> src/utils.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl WsError {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 27 |     pub(crate) fn is_closed(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.23s
[INFO] running `Command { std: "docker" "inspect" "98f0456f3d70d07ecb6f3e76458360e1dfa58b848acbe812db9e2f8e7a086b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f0456f3d70d07ecb6f3e76458360e1dfa58b848acbe812db9e2f8e7a086b70", kill_on_drop: false }`
[INFO] [stdout] 98f0456f3d70d07ecb6f3e76458360e1dfa58b848acbe812db9e2f8e7a086b70