[INFO] cloning repository https://github.com/jsq1234/web-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsq1234/web-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Fweb-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Fweb-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86ee42cd0a9813e7d0673f8ff1b267f3047cd83b
[INFO] building jsq1234/web-server-rust against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Fweb-server-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsq1234/web-server-rust on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsq1234/web-server-rust
[INFO] finished tweaking git repo https://github.com/jsq1234/web-server-rust
[INFO] tweaked toml for git repo https://github.com/jsq1234/web-server-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jsq1234/web-server-rust 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "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] building jsq1234/web-server-rust against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Fweb-server-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsq1234/web-server-rust on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsq1234/web-server-rust
[INFO] finished tweaking git repo https://github.com/jsq1234/web-server-rust
[INFO] tweaked toml for git repo https://github.com/jsq1234/web-server-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jsq1234/web-server-rust 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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 373defd3f4713af0f92669cb19a8e198ded40723b64ce1a62d1f2c60c4444f2f
[INFO] running `Command { std: "docker" "start" "-a" "373defd3f4713af0f92669cb19a8e198ded40723b64ce1a62d1f2c60c4444f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "373defd3f4713af0f92669cb19a8e198ded40723b64ce1a62d1f2c60c4444f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373defd3f4713af0f92669cb19a8e198ded40723b64ce1a62d1f2c60c4444f2f", kill_on_drop: false }`
[INFO] [stdout] 373defd3f4713af0f92669cb19a8e198ded40723b64ce1a62d1f2c60c4444f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3164723bfb8f1e2345c92d05510c26bd5477a8ddb44c95bb158030a8bf824106
[INFO] running `Command { std: "docker" "start" "-a" "3164723bfb8f1e2345c92d05510c26bd5477a8ddb44c95bb158030a8bf824106", kill_on_drop: false }`
[INFO] [stderr]    Compiling web-server-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Thread`
[INFO] [stdout]  --> src/lib.rs:1:90
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc::{self, Receiver, Sender}, Arc, Mutex}, thread::{self, JoinHandle, Thread}};
[INFO] [stdout]   |                                                                                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_threads` and `workers` are never read
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     num_threads: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Worker{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3164723bfb8f1e2345c92d05510c26bd5477a8ddb44c95bb158030a8bf824106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3164723bfb8f1e2345c92d05510c26bd5477a8ddb44c95bb158030a8bf824106", kill_on_drop: false }`
[INFO] [stdout] 3164723bfb8f1e2345c92d05510c26bd5477a8ddb44c95bb158030a8bf824106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df353c14bcd2da11d3bdd1ee3559ddfec405d813b37a764939eb089692a4356f
[INFO] running `Command { std: "docker" "start" "-a" "df353c14bcd2da11d3bdd1ee3559ddfec405d813b37a764939eb089692a4356f", kill_on_drop: false }`
[INFO] [stderr]    Compiling web-server-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Thread`
[INFO] [stdout]  --> src/lib.rs:1:90
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc::{self, Receiver, Sender}, Arc, Mutex}, thread::{self, JoinHandle, Thread}};
[INFO] [stdout]   |                                                                                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_threads` and `workers` are never read
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     num_threads: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Worker{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Thread`
[INFO] [stdout]  --> src/lib.rs:1:90
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{mpsc::{self, Receiver, Sender}, Arc, Mutex}, thread::{self, JoinHandle, Thread}};
[INFO] [stdout]   |                                                                                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_threads` and `workers` are never read
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ThreadPool{
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     num_threads: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Worker{
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     thread: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "df353c14bcd2da11d3bdd1ee3559ddfec405d813b37a764939eb089692a4356f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df353c14bcd2da11d3bdd1ee3559ddfec405d813b37a764939eb089692a4356f", kill_on_drop: false }`
[INFO] [stdout] df353c14bcd2da11d3bdd1ee3559ddfec405d813b37a764939eb089692a4356f