[INFO] cloning repository https://github.com/leetie/Fe-chat-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leetie/Fe-chat-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2FFe-chat-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2FFe-chat-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c86cdfc6d376ab13fd2b3ffe3413abbe68115f92 [INFO] checking leetie/Fe-chat-server against master#5257aee7dd163d21d32fa904578d4fb0f4c91b79 for pr-116494-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2FFe-chat-server" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/leetie/Fe-chat-server on toolchain 5257aee7dd163d21d32fa904578d4fb0f4c91b79 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/leetie/Fe-chat-server [INFO] finished tweaking git repo https://github.com/leetie/Fe-chat-server [INFO] tweaked toml for git repo https://github.com/leetie/Fe-chat-server written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/leetie/Fe-chat-server 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" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking leetie/Fe-chat-server against try#d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8 for pr-116494-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2FFe-chat-server" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/leetie/Fe-chat-server on toolchain d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/leetie/Fe-chat-server [INFO] finished tweaking git repo https://github.com/leetie/Fe-chat-server [INFO] tweaked toml for git repo https://github.com/leetie/Fe-chat-server written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/leetie/Fe-chat-server 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" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "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 leetie/Fe-chat-server against try#d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8 for pr-116494-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2FFe-chat-server" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/leetie/Fe-chat-server on toolchain d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/leetie/Fe-chat-server [INFO] finished tweaking git repo https://github.com/leetie/Fe-chat-server [INFO] tweaked toml for git repo https://github.com/leetie/Fe-chat-server written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/leetie/Fe-chat-server 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" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70a2e43bce4b09857974aa76efba780c34d00568bba1d048448582d881105a9a [INFO] running `Command { std: "docker" "start" "-a" "70a2e43bce4b09857974aa76efba780c34d00568bba1d048448582d881105a9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70a2e43bce4b09857974aa76efba780c34d00568bba1d048448582d881105a9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70a2e43bce4b09857974aa76efba780c34d00568bba1d048448582d881105a9a", kill_on_drop: false }` [INFO] [stdout] 70a2e43bce4b09857974aa76efba780c34d00568bba1d048448582d881105a9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d614ed876e31a5f3ad1d0fbf848fcdab3a29d1d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83c87aa621ff1a57843bc9120770a23bb7acc5a00a44b9c7fff913b3656d5d72 [INFO] running `Command { std: "docker" "start" "-a" "83c87aa621ff1a57843bc9120770a23bb7acc5a00a44b9c7fff913b3656d5d72", kill_on_drop: false }` [INFO] [stderr] Checking tcp-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `message` is never read [INFO] [stdout] --> src/lib.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Config { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 2 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `message` is never read [INFO] [stdout] --> src/lib.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Config { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 2 | message: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/bin/client.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, BufReader, Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/bin/client.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, BufReader, Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/bin/main.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | io::{self, BufRead, BufReader, Read, Write}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/bin/main.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | io::{self, BufRead, BufReader, Read, Write}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_tx_thread` [INFO] [stdout] --> src/bin/client.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let stream_tx_thread = thread::spawn(move || loop { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_tx_thread` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_tx_thread` [INFO] [stdout] --> src/bin/client.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | let stream_tx_thread = thread::spawn(move || loop { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_tx_thread` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/client.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | let mut stream = TcpStream::connect("0.0.0.0:2222").unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/client.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | let mut stream = TcpStream::connect("0.0.0.0:2222").unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_message` is never used [INFO] [stdout] --> src/bin/client.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn get_message() -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_message` is never used [INFO] [stdout] --> src/bin/client.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn get_message() -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/client.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | msg_tx.send(b"Hello!\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = msg_tx.send(b"Hello!\n"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/client.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | msg_tx.send(b"Hello!\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = msg_tx.send(b"Hello!\n"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Message` is never constructed [INFO] [stdout] --> src/bin/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | struct Message<'a> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Client` is never constructed [INFO] [stdout] --> src/bin/main.rs:103:8 [INFO] [stdout] | [INFO] [stdout] 103 | struct Client { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ClientConfig` is never constructed [INFO] [stdout] --> src/bin/main.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 109 | struct ClientConfig { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `DisplayColor` is never used [INFO] [stdout] --> src/bin/main.rs:114:6 [INFO] [stdout] | [INFO] [stdout] 114 | enum DisplayColor { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Message` is never constructed [INFO] [stdout] --> src/bin/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | struct Message<'a> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Client` is never constructed [INFO] [stdout] --> src/bin/main.rs:103:8 [INFO] [stdout] | [INFO] [stdout] 103 | struct Client { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ClientConfig` is never constructed [INFO] [stdout] --> src/bin/main.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 109 | struct ClientConfig { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `DisplayColor` is never used [INFO] [stdout] --> src/bin/main.rs:114:6 [INFO] [stdout] | [INFO] [stdout] 114 | enum DisplayColor { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "83c87aa621ff1a57843bc9120770a23bb7acc5a00a44b9c7fff913b3656d5d72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83c87aa621ff1a57843bc9120770a23bb7acc5a00a44b9c7fff913b3656d5d72", kill_on_drop: false }` [INFO] [stdout] 83c87aa621ff1a57843bc9120770a23bb7acc5a00a44b9c7fff913b3656d5d72