[INFO] fetching crate lobby 0.0.1... [INFO] testing lobby-0.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate lobby 0.0.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate lobby 0.0.1 [INFO] finished tweaking crates.io crate lobby 0.0.1 [INFO] tweaked toml for crates.io crate lobby 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lobby 0.0.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 290d5d4542087f8e8f0e2b18d6d0c38bb9b217a1e73ed1055447363442e456c7 [INFO] running `Command { std: "docker" "start" "-a" "290d5d4542087f8e8f0e2b18d6d0c38bb9b217a1e73ed1055447363442e456c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "290d5d4542087f8e8f0e2b18d6d0c38bb9b217a1e73ed1055447363442e456c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "290d5d4542087f8e8f0e2b18d6d0c38bb9b217a1e73ed1055447363442e456c7", kill_on_drop: false }` [INFO] [stdout] 290d5d4542087f8e8f0e2b18d6d0c38bb9b217a1e73ed1055447363442e456c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6220b885bf073c0a069000358b0a438f344f89de3e4420b50a0f312ad0b4a29 [INFO] running `Command { std: "docker" "start" "-a" "e6220b885bf073c0a069000358b0a438f344f89de3e4420b50a0f312ad0b4a29", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling lobby v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `std::collections::VecMap` [INFO] [stdout] --> src/lib.rs:38:34 [INFO] [stdout] | [INFO] [stdout] 38 | use std::collections::{VecDeque, VecMap}; [INFO] [stdout] | ^^^^^^ no `VecMap` in `collections` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | #![feature(collections, io, net)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:68:24 [INFO] [stdout] | [INFO] [stdout] 68 | let listener = try!(TcpListener::bind(&addr)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `collections` [INFO] [stdout] --> src/lib.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | #![feature(collections, io, net)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `io` [INFO] [stdout] --> src/lib.rs:35:25 [INFO] [stdout] | [INFO] [stdout] 35 | #![feature(collections, io, net)] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `net` [INFO] [stdout] --> src/lib.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | #![feature(collections, io, net)] [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: missing generics for struct `JoinHandle` [INFO] [stdout] --> src/lib.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | thread: JoinHandle, [INFO] [stdout] | ^^^^^^^^^^ expected 1 generic argument [INFO] [stdout] | [INFO] [stdout] help: add missing generic argument [INFO] [stdout] | [INFO] [stdout] 53 | thread: JoinHandle, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:177:34 [INFO] [stdout] | [INFO] [stdout] 177 | if let Err(e) = conn.write_all(data) { [INFO] [stdout] | ^^^^^^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:204:22 [INFO] [stdout] | [INFO] [stdout] 204 | match dr.try_recv() { [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0107, E0282, E0432, E0554, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0107`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lobby` (lib) due to 8 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "e6220b885bf073c0a069000358b0a438f344f89de3e4420b50a0f312ad0b4a29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6220b885bf073c0a069000358b0a438f344f89de3e4420b50a0f312ad0b4a29", kill_on_drop: false }` [INFO] [stdout] e6220b885bf073c0a069000358b0a438f344f89de3e4420b50a0f312ad0b4a29