[INFO] cloning repository https://github.com/tasvln/rust-tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tasvln/rust-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasvln%2Frust-tcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasvln%2Frust-tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5c247c059bfcfe0a214de4a8ac8bf87ed5c037e
[INFO] checking tasvln/rust-tcp against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasvln%2Frust-tcp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tasvln/rust-tcp
[INFO] finished tweaking git repo https://github.com/tasvln/rust-tcp
[INFO] tweaked toml for git repo https://github.com/tasvln/rust-tcp written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tasvln/rust-tcp on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tasvln/rust-tcp 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking tasvln/rust-tcp against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasvln%2Frust-tcp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tasvln/rust-tcp
[INFO] finished tweaking git repo https://github.com/tasvln/rust-tcp
[INFO] tweaked toml for git repo https://github.com/tasvln/rust-tcp written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tasvln/rust-tcp on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tasvln/rust-tcp 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5b8a53ae73c2e59d3c179d80d97805ad2cd9517f6f8e2768281087f0f5f26551
[INFO] running `Command { std: "docker" "start" "5b8a53ae73c2e59d3c179d80d97805ad2cd9517f6f8e2768281087f0f5f26551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b8a53ae73c2e59d3c179d80d97805ad2cd9517f6f8e2768281087f0f5f26551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5b8a53ae73c2e59d3c179d80d97805ad2cd9517f6f8e2768281087f0f5f26551" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b8a53ae73c2e59d3c179d80d97805ad2cd9517f6f8e2768281087f0f5f26551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5b8a53ae73c2e59d3c179d80d97805ad2cd9517f6f8e2768281087f0f5f26551" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking mio v1.2.2
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::print`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::print;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncReadExt` and `AsyncWriteExt`
[INFO] [stdout]   --> src/server.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncBufReadExt`, `AsyncReadExt`, `AsyncWriteExt`, and `BufReader`
[INFO] [stdout]  --> src/client.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncReadExt` and `AsyncWriteExt`
[INFO] [stdout]   --> src/server.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::print`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::print;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncBufReadExt`, `AsyncReadExt`, `AsyncWriteExt`, and `BufReader`
[INFO] [stdout]  --> src/client.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let (mut reader, mut writer) = socket.into_split();
[INFO] [stdout]    |                              ----^^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut state_rx = state_tx.subscribe();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let (mut reader, mut writer) = socket.into_split();
[INFO] [stdout]    |                              ----^^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut state_rx = state_tx.subscribe();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state_rx`
[INFO] [stdout]   --> src/server.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut state_rx = state_tx.subscribe();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state_rx`
[INFO] [stdout]   --> src/server.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut state_rx = state_tx.subscribe();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "5b8a53ae73c2e59d3c179d80d97805ad2cd9517f6f8e2768281087f0f5f26551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8a53ae73c2e59d3c179d80d97805ad2cd9517f6f8e2768281087f0f5f26551", kill_on_drop: false }`
[INFO] [stdout] 5b8a53ae73c2e59d3c179d80d97805ad2cd9517f6f8e2768281087f0f5f26551
