[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 try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fmusikquadrupled" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yusdacra/musikquadrupled on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-tungstenite v0.23.0
[INFO] [stderr]   Downloaded scc v2.0.2
[INFO] [stderr]   Downloaded rust-argon2 v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 228abe26c1c1a60b16b865de3bbd1179a0a220e9f43bfb8dec9d07a82d03d928
[INFO] running `Command { std: "docker" "start" "-a" "228abe26c1c1a60b16b865de3bbd1179a0a220e9f43bfb8dec9d07a82d03d928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228abe26c1c1a60b16b865de3bbd1179a0a220e9f43bfb8dec9d07a82d03d928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228abe26c1c1a60b16b865de3bbd1179a0a220e9f43bfb8dec9d07a82d03d928", kill_on_drop: false }`
[INFO] [stdout] 228abe26c1c1a60b16b865de3bbd1179a0a220e9f43bfb8dec9d07a82d03d928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df1c7375612995d95e0ffc267277fb7d8900e8345e310c353e152cf2419b6d87
[INFO] running `Command { std: "docker" "start" "-a" "df1c7375612995d95e0ffc267277fb7d8900e8345e310c353e152cf2419b6d87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking data-encoding v2.4.0
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[INFO] [stderr]     Checking headers-core v0.2.0
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[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
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[INFO] [stderr]     Checking musikquadrupled v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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(Vec<u8>),
[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(Vec<u8>),
[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)]` (part of `#[warn(unused)]`) 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(Vec<u8>),
[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(Vec<u8>),
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.29s
[INFO] running `Command { std: "docker" "inspect" "df1c7375612995d95e0ffc267277fb7d8900e8345e310c353e152cf2419b6d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1c7375612995d95e0ffc267277fb7d8900e8345e310c353e152cf2419b6d87", kill_on_drop: false }`
[INFO] [stdout] df1c7375612995d95e0ffc267277fb7d8900e8345e310c353e152cf2419b6d87
