[INFO] fetching crate kcprs 0.5.0...
[INFO] testing kcprs-0.5.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kcprs 0.5.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate kcprs 0.5.0
[INFO] finished tweaking crates.io crate kcprs 0.5.0
[INFO] tweaked toml for crates.io crate kcprs 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kcprs 0.5.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.8)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding time v0.2.27 (available: v0.3.44)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9096501ca86610f4e69d852ac74cdfc7dc0803c04ac2b9f47b8d9ef13115127f
[INFO] running `Command { std: "docker" "start" "-a" "9096501ca86610f4e69d852ac74cdfc7dc0803c04ac2b9f47b8d9ef13115127f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9096501ca86610f4e69d852ac74cdfc7dc0803c04ac2b9f47b8d9ef13115127f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9096501ca86610f4e69d852ac74cdfc7dc0803c04ac2b9f47b8d9ef13115127f", kill_on_drop: false }`
[INFO] [stdout] 9096501ca86610f4e69d852ac74cdfc7dc0803c04ac2b9f47b8d9ef13115127f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b6400be4e183c23f61ec8aa9fd8726a6253b03deee582a508eb579ff67dfeeb8
[INFO] running `Command { std: "docker" "start" "-a" "b6400be4e183c23f61ec8aa9fd8726a6253b03deee582a508eb579ff67dfeeb8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling kcprs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `KcpOutput` is never constructed
[INFO] [stdout]    --> src/kcp.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct KcpOutput<O: Write>(O);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "b6400be4e183c23f61ec8aa9fd8726a6253b03deee582a508eb579ff67dfeeb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6400be4e183c23f61ec8aa9fd8726a6253b03deee582a508eb579ff67dfeeb8", kill_on_drop: false }`
[INFO] [stdout] b6400be4e183c23f61ec8aa9fd8726a6253b03deee582a508eb579ff67dfeeb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20d7219201f55cd6330813d8fbc5ef12a8427f7fe8c2f5e4fbd35d4c2f154b18
[INFO] running `Command { std: "docker" "start" "-a" "20d7219201f55cd6330813d8fbc5ef12a8427f7fe8c2f5e4fbd35d4c2f154b18", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stdout] warning: struct `KcpOutput` is never constructed
[INFO] [stdout]    --> src/kcp.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct KcpOutput<O: Write>(O);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling kcprs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `kcp`
[INFO] [stdout]  --> tests/kcp.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate kcp;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kcprs` (test "kcp") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `KcpOutput` is never constructed
[INFO] [stdout]    --> src/kcp.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | struct KcpOutput<O: Write>(O);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20d7219201f55cd6330813d8fbc5ef12a8427f7fe8c2f5e4fbd35d4c2f154b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d7219201f55cd6330813d8fbc5ef12a8427f7fe8c2f5e4fbd35d4c2f154b18", kill_on_drop: false }`
[INFO] [stdout] 20d7219201f55cd6330813d8fbc5ef12a8427f7fe8c2f5e4fbd35d4c2f154b18
