[INFO] cloning repository https://github.com/lyswifter/tcpconn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lyswifter/tcpconn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyswifter%2Ftcpconn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyswifter%2Ftcpconn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a648414a741588aee8bda060f1d31324b371da7
[INFO] testing lyswifter/tcpconn against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyswifter%2Ftcpconn" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lyswifter/tcpconn
[INFO] finished tweaking git repo https://github.com/lyswifter/tcpconn
[INFO] tweaked toml for git repo https://github.com/lyswifter/tcpconn written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lyswifter/tcpconn on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lyswifter/tcpconn 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a41419de0588eb0eae6e69b7612d9edf986504c86b1009514161ca083ac8bdcf
[INFO] running `Command { std: "docker" "start" "-a" "a41419de0588eb0eae6e69b7612d9edf986504c86b1009514161ca083ac8bdcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a41419de0588eb0eae6e69b7612d9edf986504c86b1009514161ca083ac8bdcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a41419de0588eb0eae6e69b7612d9edf986504c86b1009514161ca083ac8bdcf", kill_on_drop: false }`
[INFO] [stdout] a41419de0588eb0eae6e69b7612d9edf986504c86b1009514161ca083ac8bdcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0f2a0a4cc210b8b3b21480993c0535a113cee5a504994842b366eaf4a757de2
[INFO] running `Command { std: "docker" "start" "-a" "e0f2a0a4cc210b8b3b21480993c0535a113cee5a504994842b366eaf4a757de2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bytes v1.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tcpconn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RwLock`, `mpsc`, `net::TcpListener`, `oneshot`, `task`, and `time`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     net::TcpListener,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     sync::{mpsc, oneshot, RwLock},
[INFO] [stdout]   |            ^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 5 |     task,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     time,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `HashMap`, `HashSet`, `Instant`, `SystemTime`, `net::SocketAddr`, and `sync::Arc`
[INFO] [stdout]   --> src/main.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^
[INFO] [stdout] 11 |     net::SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     sync::Arc,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     time::{Duration, Instant, SystemTime},
[INFO] [stdout]    |            ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr` and `Ipv4Addr`
[INFO] [stdout]   --> src/main.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::net::{IpAddr, Ipv4Addr};
[INFO] [stdout]    |                ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `info`
[INFO] [stdout]   --> src/main.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use log::{info, error};
[INFO] [stdout]    |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.04s
[INFO] running `Command { std: "docker" "inspect" "e0f2a0a4cc210b8b3b21480993c0535a113cee5a504994842b366eaf4a757de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f2a0a4cc210b8b3b21480993c0535a113cee5a504994842b366eaf4a757de2", kill_on_drop: false }`
[INFO] [stdout] e0f2a0a4cc210b8b3b21480993c0535a113cee5a504994842b366eaf4a757de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b62153aa1a2494b2a3f2df5e5092276ee55d05407828fa80bd5ef1b0b8be3923
[INFO] running `Command { std: "docker" "start" "-a" "b62153aa1a2494b2a3f2df5e5092276ee55d05407828fa80bd5ef1b0b8be3923", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcpconn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RwLock`, `mpsc`, `net::TcpListener`, `oneshot`, `task`, and `time`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     net::TcpListener,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     sync::{mpsc, oneshot, RwLock},
[INFO] [stdout]   |            ^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 5 |     task,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     time,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `HashMap`, `HashSet`, `Instant`, `SystemTime`, `net::SocketAddr`, and `sync::Arc`
[INFO] [stdout]   --> src/main.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^
[INFO] [stdout] 11 |     net::SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     sync::Arc,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     time::{Duration, Instant, SystemTime},
[INFO] [stdout]    |            ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr` and `Ipv4Addr`
[INFO] [stdout]   --> src/main.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::net::{IpAddr, Ipv4Addr};
[INFO] [stdout]    |                ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `info`
[INFO] [stdout]   --> src/main.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use log::{info, error};
[INFO] [stdout]    |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b62153aa1a2494b2a3f2df5e5092276ee55d05407828fa80bd5ef1b0b8be3923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62153aa1a2494b2a3f2df5e5092276ee55d05407828fa80bd5ef1b0b8be3923", kill_on_drop: false }`
[INFO] [stdout] b62153aa1a2494b2a3f2df5e5092276ee55d05407828fa80bd5ef1b0b8be3923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acc35b273a070e4684f84cef8768a454093aeed8861e40c72eb052bda82b201f
[INFO] running `Command { std: "docker" "start" "-a" "acc35b273a070e4684f84cef8768a454093aeed8861e40c72eb052bda82b201f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `RwLock`, `mpsc`, `net::TcpListener`, `oneshot`, `task`, and `time`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     net::TcpListener,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 4 |     sync::{mpsc, oneshot, RwLock},
[INFO] [stderr]   |            ^^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr] 5 |     task,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 6 |     time,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `HashMap`, `HashSet`, `Instant`, `SystemTime`, `net::SocketAddr`, and `sync::Arc`
[INFO] [stderr]   --> src/main.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     collections::{HashMap, HashSet},
[INFO] [stderr]    |                   ^^^^^^^  ^^^^^^^
[INFO] [stderr] 11 |     net::SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 12 |     sync::Arc,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 13 |     time::{Duration, Instant, SystemTime},
[INFO] [stderr]    |            ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IpAddr` and `Ipv4Addr`
[INFO] [stderr]   --> src/main.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::net::{IpAddr, Ipv4Addr};
[INFO] [stderr]    |                ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error` and `info`
[INFO] [stderr]   --> src/main.rs:17:11
[INFO] [stderr]    |
[INFO] [stderr] 17 | use log::{info, error};
[INFO] [stderr]    |           ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tcpconn` (bin "tcpconn" test) generated 4 warnings (run `cargo fix --bin "tcpconn" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcpconn-700628327346e49e)
[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" "acc35b273a070e4684f84cef8768a454093aeed8861e40c72eb052bda82b201f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc35b273a070e4684f84cef8768a454093aeed8861e40c72eb052bda82b201f", kill_on_drop: false }`
[INFO] [stdout] acc35b273a070e4684f84cef8768a454093aeed8861e40c72eb052bda82b201f
