[INFO] cloning repository https://github.com/lazyprop/rust-webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lazyprop/rust-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazyprop%2Frust-webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazyprop%2Frust-webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fa04cd65278afafbe35fc44fad4f5dcb6a08707
[INFO] testing lazyprop/rust-webserver against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazyprop%2Frust-webserver" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lazyprop/rust-webserver
[INFO] finished tweaking git repo https://github.com/lazyprop/rust-webserver
[INFO] tweaked toml for git repo https://github.com/lazyprop/rust-webserver written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lazyprop/rust-webserver on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lazyprop/rust-webserver 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955
[INFO] running `Command { std: "docker" "start" "d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955", 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" "d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Job` is never used
[INFO] [stdout]   --> src/main.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 75 | type Job = (TcpStream, RouteFn);
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `handle`, and `rx` are never read
[INFO] [stdout]   --> src/threadpool.rs:8:3
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Worker<T> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout]  8 |   id: usize,
[INFO] [stdout]    |   ^^
[INFO] [stdout]  9 |   handle: JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 10 |   rx: Arc<Mutex<Receiver<Job<T>>>>,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/threadpool.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct ThreadPool<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 30 |   workers: Vec<Worker<T>>,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find type `Duration` in this scope
[INFO] [stdout]   --> src/threadpool.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |         thread::sleep(Duration::from_secs(1));
[INFO] [stdout]    |                       ^^^^^^^^ use of undeclared type `Duration`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout]  1 + use crate::Duration;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Duration` in this scope
[INFO] [stdout]   --> src/threadpool.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 |         thread::sleep(Duration::from_secs(2));
[INFO] [stdout]    |                       ^^^^^^^^ use of undeclared type `Duration`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout]  1 + use crate::Duration;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Duration` in this scope
[INFO] [stdout]   --> src/threadpool.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |         thread::sleep(Duration::from_secs(3));
[INFO] [stdout]    |                       ^^^^^^^^ use of undeclared type `Duration`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout]  1 + use crate::Duration;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Duration` in this scope
[INFO] [stdout]   --> src/threadpool.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     thread::sleep(Duration::from_secs(5));
[INFO] [stdout]    |                   ^^^^^^^^ use of undeclared type `Duration`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout]  1 + use crate::Duration;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-webserver` (bin "rust-webserver" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955", kill_on_drop: false }`
[INFO] [stdout] d07e51613e6d2c3b412042885ccdcf3fb2c69a49fb893d707a278a7c5ebf4955
