[INFO] fetching crate oxygn 0.1.0...
[INFO] testing oxygn-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate oxygn 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate oxygn 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate oxygn 0.1.0
[INFO] tweaked toml for crates.io crate oxygn 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oxygn 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate oxygn 0.1.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2
[INFO] running `Command { std: "docker" "start" "bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2", 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" "bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2", 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" "bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling mini-moka v0.10.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling triomphe v0.1.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling oxygn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 35.30s
[INFO] running `Command { std: "docker" "inspect" "bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2", 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" "bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling oxygn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `httparse` in this scope
[INFO] [stdout]   --> examples/parser.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     let mut req = httparse::Request::new(&mut headers);
[INFO] [stdout]    |                                   ^^^^^^^^ use of unresolved module or unlinked crate `httparse`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `httparse`, use `cargo add httparse` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `httparse` in this scope
[INFO] [stdout]   --> examples/parser.rs:20:40
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     let mut headers = [httparse::EMPTY_HEADER; 64];
[INFO] [stdout]    |                                        ^^^^^^^^ use of unresolved module or unlinked crate `httparse`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `httparse`, use `cargo add httparse` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oxygn` (example "parser") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> examples/echo.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     loop {
[INFO] [stdout] 12 | |         let (mut socket, addr) = listener.accept().await?;
[INFO] [stdout] 13 | |         println!("Accepted connection from: {}", addr);
[INFO] [stdout] 14 | |         tokio::spawn(async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         });
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 35 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_id`
[INFO] [stdout]   --> examples/threading.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for request_id in 1..=5 {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2", kill_on_drop: false }`
[INFO] [stdout] bc4b9e2eab18f11e9c8b141b886b25ccca72af2f7278c073e78d404f3511abe2
