[INFO] fetching crate pact-proxy-rs 0.0.1...
[INFO] testing pact-proxy-rs-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pact-proxy-rs 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pact-proxy-rs 0.0.1
[INFO] finished tweaking crates.io crate pact-proxy-rs 0.0.1
[INFO] tweaked toml for crates.io crate pact-proxy-rs 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pact-proxy-rs 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] crate crates.io crate pact-proxy-rs 0.0.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 59cbfed860b40641ad06ac0aaf226f9a42350ca4e3d816028cb82c25a0f9b69e
[INFO] running `Command { std: "docker" "start" "-a" "59cbfed860b40641ad06ac0aaf226f9a42350ca4e3d816028cb82c25a0f9b69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59cbfed860b40641ad06ac0aaf226f9a42350ca4e3d816028cb82c25a0f9b69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59cbfed860b40641ad06ac0aaf226f9a42350ca4e3d816028cb82c25a0f9b69e", kill_on_drop: false }`
[INFO] [stdout] 59cbfed860b40641ad06ac0aaf226f9a42350ca4e3d816028cb82c25a0f9b69e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dbe1fac8057b0461b5bd31535a96df336248f64275e73f963f36f8216c00aa1c
[INFO] running `Command { std: "docker" "start" "-a" "dbe1fac8057b0461b5bd31535a96df336248f64275e73f963f36f8216c00aa1c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pact-plugin-driver v0.2.2
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[INFO] [stderr]    Compiling http v0.2.8
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[INFO] [stderr]    Compiling pact_matching v1.0.2
[INFO] [stderr]    Compiling pact_mock_server v0.9.7
[INFO] [stderr]    Compiling pact-proxy-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pact-proxy-rs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dbe1fac8057b0461b5bd31535a96df336248f64275e73f963f36f8216c00aa1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe1fac8057b0461b5bd31535a96df336248f64275e73f963f36f8216c00aa1c", kill_on_drop: false }`
[INFO] [stdout] dbe1fac8057b0461b5bd31535a96df336248f64275e73f963f36f8216c00aa1c
