[INFO] cloning repository https://github.com/jeremygiberson/rust-training-florence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremygiberson/rust-training-florence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremygiberson%2Frust-training-florence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremygiberson%2Frust-training-florence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37980b052727a46bdbd0304ed9f435149fe0e3c2
[INFO] testing jeremygiberson/rust-training-florence against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremygiberson%2Frust-training-florence" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jeremygiberson/rust-training-florence
[INFO] finished tweaking git repo https://github.com/jeremygiberson/rust-training-florence
[INFO] tweaked toml for git repo https://github.com/jeremygiberson/rust-training-florence written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeremygiberson/rust-training-florence on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jeremygiberson/rust-training-florence 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc669d43418a6e188607f047a948474841d4597ab54c98843db8afe5e21fb683
[INFO] running `Command { std: "docker" "start" "-a" "dc669d43418a6e188607f047a948474841d4597ab54c98843db8afe5e21fb683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc669d43418a6e188607f047a948474841d4597ab54c98843db8afe5e21fb683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc669d43418a6e188607f047a948474841d4597ab54c98843db8afe5e21fb683", kill_on_drop: false }`
[INFO] [stdout] dc669d43418a6e188607f047a948474841d4597ab54c98843db8afe5e21fb683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b98394049138fd8150058dfd9944b92242221ece24afefea8a553393af579109
[INFO] running `Command { std: "docker" "start" "-a" "b98394049138fd8150058dfd9944b92242221ece24afefea8a553393af579109", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling florence v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/lib.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `body` and `headers` are never read
[INFO] [stdout]    --> src/lib.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Request {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 116 |     body: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 117 |     headers: HashMap<String, String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lib.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | impl Request {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 135 |     fn new(method: HttpMethod, uri: String, body: String, headers: HashMap<String, String>) -> Request {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `method` is never read
[INFO] [stdout]    --> src/lib.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub struct Route {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 168 |     handler: RouteHandler,
[INFO] [stdout] 169 |     method: HttpMethod,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Route` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `params` and `route` are never read
[INFO] [stdout]    --> src/lib.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct RouteMatch {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 185 |     params: HashMap<String, String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 186 |     route: Route,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RouteMatch` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]    --> src/lib.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | struct StartLine {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 201 |     version: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_as_str)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/lib.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `str_split_as_str`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_as_str)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a feature with a similar name: `str_split_at`
[INFO] [stdout]   |
[INFO] [stdout] 1 - #![feature(str_split_as_str)]
[INFO] [stdout] 1 + #![feature(str_split_at)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `florence` (bin "florence") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b98394049138fd8150058dfd9944b92242221ece24afefea8a553393af579109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98394049138fd8150058dfd9944b92242221ece24afefea8a553393af579109", kill_on_drop: false }`
[INFO] [stdout] b98394049138fd8150058dfd9944b92242221ece24afefea8a553393af579109
