[INFO] cloning repository https://github.com/SarahGreyWolf/Piper-Pin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SarahGreyWolf/Piper-Pin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSarahGreyWolf%2FPiper-Pin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSarahGreyWolf%2FPiper-Pin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d8cf49eec21a2236946c04f87a9b523afcd3578
[INFO] testing SarahGreyWolf/Piper-Pin against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSarahGreyWolf%2FPiper-Pin" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SarahGreyWolf/Piper-Pin on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SarahGreyWolf/Piper-Pin
[INFO] finished tweaking git repo https://github.com/SarahGreyWolf/Piper-Pin
[INFO] tweaked toml for git repo https://github.com/SarahGreyWolf/Piper-Pin written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/SarahGreyWolf/Piper-Pin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c010f6d7c4f49cd1ee9db6e05ecba3ae013313351515cdd3c5cb3cad6eba520
[INFO] running `Command { std: "docker" "start" "-a" "2c010f6d7c4f49cd1ee9db6e05ecba3ae013313351515cdd3c5cb3cad6eba520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c010f6d7c4f49cd1ee9db6e05ecba3ae013313351515cdd3c5cb3cad6eba520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c010f6d7c4f49cd1ee9db6e05ecba3ae013313351515cdd3c5cb3cad6eba520", kill_on_drop: false }`
[INFO] [stdout] 2c010f6d7c4f49cd1ee9db6e05ecba3ae013313351515cdd3c5cb3cad6eba520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fe4b8de16f7f3019f646e3ebf1c453d5bae8c667026bac8d94ef9a6e8775ede
[INFO] running `Command { std: "docker" "start" "-a" "9fe4b8de16f7f3019f646e3ebf1c453d5bae8c667026bac8d94ef9a6e8775ede", kill_on_drop: false }`
[INFO] [stderr]    Compiling piper_pin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/main.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream, SocketAddr};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_pool::ThreadPool`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use thread_pool::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/piper.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/thread_pool.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             _ => write!(f,"How did we get here?")
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SizeIsZero`
[INFO] [stdout]   --> src/thread_pool.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     SizeIsZero,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `PoolErrorType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/thread_pool.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/thread_pool.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(size: usize) -> Result<ThreadPool, PoolError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/thread_pool.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn execute<F>(&self, f: F) 
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NewJob`
[INFO] [stdout]   --> src/thread_pool.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     NewJob(Job),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/thread_pool.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn new(id: usize, receiver: Arc<Mutex<Receiver<Message>>>) -> Worker {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "9fe4b8de16f7f3019f646e3ebf1c453d5bae8c667026bac8d94ef9a6e8775ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe4b8de16f7f3019f646e3ebf1c453d5bae8c667026bac8d94ef9a6e8775ede", kill_on_drop: false }`
[INFO] [stdout] 9fe4b8de16f7f3019f646e3ebf1c453d5bae8c667026bac8d94ef9a6e8775ede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2490ab478e86ca7a7104672364ab7e85c35fc8b99fa3dbb893832cb057f67cb
[INFO] running `Command { std: "docker" "start" "-a" "d2490ab478e86ca7a7104672364ab7e85c35fc8b99fa3dbb893832cb057f67cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling piper_pin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/main.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{TcpListener, TcpStream, SocketAddr};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_pool::ThreadPool`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use thread_pool::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/piper.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/thread_pool.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             _ => write!(f,"How did we get here?")
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SizeIsZero`
[INFO] [stdout]   --> src/thread_pool.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     SizeIsZero,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `PoolErrorType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/thread_pool.rs:9:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/thread_pool.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(size: usize) -> Result<ThreadPool, PoolError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/thread_pool.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn execute<F>(&self, f: F) 
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NewJob`
[INFO] [stdout]   --> src/thread_pool.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     NewJob(Job),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/thread_pool.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn new(id: usize, receiver: Arc<Mutex<Receiver<Message>>>) -> Worker {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/piper_pin-061963074e932346)
[INFO] running `Command { std: "docker" "inspect" "d2490ab478e86ca7a7104672364ab7e85c35fc8b99fa3dbb893832cb057f67cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2490ab478e86ca7a7104672364ab7e85c35fc8b99fa3dbb893832cb057f67cb", kill_on_drop: false }`
[INFO] [stdout] d2490ab478e86ca7a7104672364ab7e85c35fc8b99fa3dbb893832cb057f67cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1ffdf20c58a3f5b716656daff9a622b8ffb4fa87aad306f9b95ea35608ecd97
[INFO] running `Command { std: "docker" "start" "-a" "e1ffdf20c58a3f5b716656daff9a622b8ffb4fa87aad306f9b95ea35608ecd97", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SocketAddr`
[INFO] [stderr]  --> src/main.rs:1:40
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net::{TcpListener, TcpStream, SocketAddr};
[INFO] [stderr]   |                                        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_pool::ThreadPool`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use thread_pool::ThreadPool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/piper.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/thread_pool.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             _ => write!(f,"How did we get here?")
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SizeIsZero`
[INFO] [stderr]   --> src/thread_pool.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     SizeIsZero,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `PoolErrorType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/thread_pool.rs:9:10
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/thread_pool.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new(size: usize) -> Result<ThreadPool, PoolError> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]   --> src/thread_pool.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn execute<F>(&self, f: F) 
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NewJob`
[INFO] [stderr]   --> src/thread_pool.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     NewJob(Job),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/thread_pool.rs:100:12
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn new(id: usize, receiver: Arc<Mutex<Receiver<Message>>>) -> Worker {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `piper_pin` (bin "piper_pin" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/piper_pin-061963074e932346)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1ffdf20c58a3f5b716656daff9a622b8ffb4fa87aad306f9b95ea35608ecd97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ffdf20c58a3f5b716656daff9a622b8ffb4fa87aad306f9b95ea35608ecd97", kill_on_drop: false }`
[INFO] [stdout] e1ffdf20c58a3f5b716656daff9a622b8ffb4fa87aad306f9b95ea35608ecd97