[INFO] cloning repository https://github.com/m0veax/mumbleping-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m0veax/mumbleping-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm0veax%2Fmumbleping-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm0veax%2Fmumbleping-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ed719faaf07e855325c60da1a58daa686989f77
[INFO] testing m0veax/mumbleping-rs against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm0veax%2Fmumbleping-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m0veax/mumbleping-rs on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m0veax/mumbleping-rs
[INFO] finished tweaking git repo https://github.com/m0veax/mumbleping-rs
[INFO] tweaked toml for git repo https://github.com/m0veax/mumbleping-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/m0veax/mumbleping-rs 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.3
[INFO] [stderr]   Downloaded virtue v0.0.13
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16d208659ad688c2ae72b7ffd63fe04f4378e0087537fa8b36dc24f87519e6e1
[INFO] running `Command { std: "docker" "start" "-a" "16d208659ad688c2ae72b7ffd63fe04f4378e0087537fa8b36dc24f87519e6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16d208659ad688c2ae72b7ffd63fe04f4378e0087537fa8b36dc24f87519e6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d208659ad688c2ae72b7ffd63fe04f4378e0087537fa8b36dc24f87519e6e1", kill_on_drop: false }`
[INFO] [stdout] 16d208659ad688c2ae72b7ffd63fe04f4378e0087537fa8b36dc24f87519e6e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ca7dda2e12db28339e8fb37dace5c2feb7c2134a1df11e42e5afa3bc6511037
[INFO] running `Command { std: "docker" "start" "-a" "3ca7dda2e12db28339e8fb37dace5c2feb7c2134a1df11e42e5afa3bc6511037", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling bincode v2.0.0-rc.3
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling mumbleping-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.31s
[INFO] running `Command { std: "docker" "inspect" "3ca7dda2e12db28339e8fb37dace5c2feb7c2134a1df11e42e5afa3bc6511037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca7dda2e12db28339e8fb37dace5c2feb7c2134a1df11e42e5afa3bc6511037", kill_on_drop: false }`
[INFO] [stdout] 3ca7dda2e12db28339e8fb37dace5c2feb7c2134a1df11e42e5afa3bc6511037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e2fabe1d3418e7468440ad53dd8a20c5310d85a4ac7b3c603fbbf4fe35379f
[INFO] running `Command { std: "docker" "start" "-a" "b5e2fabe1d3418e7468440ad53dd8a20c5310d85a4ac7b3c603fbbf4fe35379f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mumbleping-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `thread`
[INFO] [stdout]    --> src/lib.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         thread::spawn(|| {
[INFO] [stdout]     |         ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 83  +     use std::thread;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/lib.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let (size, source) = socket.recv_from(&mut buf).expect("Failed to receive data");
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ping`
[INFO] [stdout]   --> src/lib.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let (ping, identifier): (u32, u64) = bincode::decode_from_slice(&buf, bincode::config::standard().with_big_endian()).unwrap().0;
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_ping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mumbleping-rs` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b5e2fabe1d3418e7468440ad53dd8a20c5310d85a4ac7b3c603fbbf4fe35379f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e2fabe1d3418e7468440ad53dd8a20c5310d85a4ac7b3c603fbbf4fe35379f", kill_on_drop: false }`
[INFO] [stdout] b5e2fabe1d3418e7468440ad53dd8a20c5310d85a4ac7b3c603fbbf4fe35379f