[INFO] cloning repository https://github.com/zhaxzhax/socket-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhaxzhax/socket-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fsocket-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fsocket-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18f1c0e2766cd0339c42b458faa636bd2535ec59
[INFO] testing zhaxzhax/socket-chat against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fsocket-chat" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhaxzhax/socket-chat on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhaxzhax/socket-chat
[INFO] finished tweaking git repo https://github.com/zhaxzhax/socket-chat
[INFO] tweaked toml for git repo https://github.com/zhaxzhax/socket-chat written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/zhaxzhax/socket-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6ed8b861ea3fbb34af109bdaabab544733c43aa64fc9525e4f59f5a64feb986
[INFO] running `Command { std: "docker" "start" "-a" "f6ed8b861ea3fbb34af109bdaabab544733c43aa64fc9525e4f59f5a64feb986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6ed8b861ea3fbb34af109bdaabab544733c43aa64fc9525e4f59f5a64feb986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ed8b861ea3fbb34af109bdaabab544733c43aa64fc9525e4f59f5a64feb986", kill_on_drop: false }`
[INFO] [stdout] f6ed8b861ea3fbb34af109bdaabab544733c43aa64fc9525e4f59f5a64feb986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e27bc37e451ed9992acb1b99d93c33b9800593c9fadd7197194cf1a0d9e03ae0
[INFO] running `Command { std: "docker" "start" "-a" "e27bc37e451ed9992acb1b99d93c33b9800593c9fadd7197194cf1a0d9e03ae0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling socket-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mutex_release`
[INFO] [stdout]   --> src/lib.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   let mutex_release = mutex;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutex_release`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]   --> src/lib.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 | /                         move || {
[INFO] [stdout] 62 | |                             let mutex_release = mutex;
[INFO] [stdout] 63 | |                             println!("销毁锁")
[INFO] [stdout] 64 | |                         };
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ThreadPool`
[INFO] [stdout]  --> src/main.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use socket_chat::{StreamPool, ThreadPool};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.48s
[INFO] running `Command { std: "docker" "inspect" "e27bc37e451ed9992acb1b99d93c33b9800593c9fadd7197194cf1a0d9e03ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27bc37e451ed9992acb1b99d93c33b9800593c9fadd7197194cf1a0d9e03ae0", kill_on_drop: false }`
[INFO] [stdout] e27bc37e451ed9992acb1b99d93c33b9800593c9fadd7197194cf1a0d9e03ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0cdfcc5077110448e6263f3d75244b288ae8ffc86ca938bf546e329e3333879
[INFO] running `Command { std: "docker" "start" "-a" "e0cdfcc5077110448e6263f3d75244b288ae8ffc86ca938bf546e329e3333879", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `mutex_release`
[INFO] [stdout]   --> src/lib.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   let mutex_release = mutex;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutex_release`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling socket-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]   --> src/lib.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 | /                         move || {
[INFO] [stdout] 62 | |                             let mutex_release = mutex;
[INFO] [stdout] 63 | |                             println!("销毁锁")
[INFO] [stdout] 64 | |                         };
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ThreadPool`
[INFO] [stdout]  --> src/main.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use socket_chat::{StreamPool, ThreadPool};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutex_release`
[INFO] [stdout]   --> src/lib.rs:62:33
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   let mutex_release = mutex;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutex_release`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]   --> src/lib.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 | /                         move || {
[INFO] [stdout] 62 | |                             let mutex_release = mutex;
[INFO] [stdout] 63 | |                             println!("销毁锁")
[INFO] [stdout] 64 | |                         };
[INFO] [stdout]    | |__________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "e0cdfcc5077110448e6263f3d75244b288ae8ffc86ca938bf546e329e3333879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cdfcc5077110448e6263f3d75244b288ae8ffc86ca938bf546e329e3333879", kill_on_drop: false }`
[INFO] [stdout] e0cdfcc5077110448e6263f3d75244b288ae8ffc86ca938bf546e329e3333879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc1344239731f06f0d287b1f0b55ee55179cd7f05dc27204eaf562f6d6d77b5f
[INFO] running `Command { std: "docker" "start" "-a" "dc1344239731f06f0d287b1f0b55ee55179cd7f05dc27204eaf562f6d6d77b5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `mutex_release`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:62:33
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 62 | ...                   let mutex_release = mutex;
[INFO] [stdout] 
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutex_release`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused closure that must be used
[INFO] [stderr]   --> src/lib.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 | /                         move || {
[INFO] [stderr] 62 | |                             let mutex_release = mutex;
[INFO] [stderr] 63 | |                             println!("销毁锁")
[INFO] [stderr] 64 | |                         };
[INFO] [stderr]    | |__________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: `socket-chat` (lib) generated 2 warnings
[INFO] [stderr] warning: `socket-chat` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused import: `ThreadPool`
[INFO] [stderr]  --> src/main.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use socket_chat::{StreamPool, ThreadPool};
[INFO] [stderr]   |                               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `socket-chat` (bin "socket-chat" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/socket_chat-4410ef34ce3c1887)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/socket_chat-35d1f02f3c0848ec)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests socket-chat
[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] [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" "dc1344239731f06f0d287b1f0b55ee55179cd7f05dc27204eaf562f6d6d77b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1344239731f06f0d287b1f0b55ee55179cd7f05dc27204eaf562f6d6d77b5f", kill_on_drop: false }`
[INFO] [stdout] dc1344239731f06f0d287b1f0b55ee55179cd7f05dc27204eaf562f6d6d77b5f