[INFO] fetching crate rpgcpf 0.1.1...
[INFO] testing rpgcpf-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rpgcpf 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rpgcpf 0.1.1
[INFO] finished tweaking crates.io crate rpgcpf 0.1.1
[INFO] tweaked toml for crates.io crate rpgcpf 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpgcpf 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rpgcpf 0.1.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd6a3f7fba1d9314132099ee06a8bbbc9cde735a54d1dbce02e9dc61ec05b303
[INFO] running `Command { std: "docker" "start" "-a" "bd6a3f7fba1d9314132099ee06a8bbbc9cde735a54d1dbce02e9dc61ec05b303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd6a3f7fba1d9314132099ee06a8bbbc9cde735a54d1dbce02e9dc61ec05b303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6a3f7fba1d9314132099ee06a8bbbc9cde735a54d1dbce02e9dc61ec05b303", kill_on_drop: false }`
[INFO] [stdout] bd6a3f7fba1d9314132099ee06a8bbbc9cde735a54d1dbce02e9dc61ec05b303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b7aca861a0e8dc5e56b93f73e7e0d0de70c0f8e32c9df48a2902db8bd775ef7
[INFO] running `Command { std: "docker" "start" "-a" "8b7aca861a0e8dc5e56b93f73e7e0d0de70c0f8e32c9df48a2902db8bd775ef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling winnow v0.7.4
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling zstd-safe v7.2.3
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling clap_builder v4.5.32
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling humanize-bytes v1.0.6
[INFO] [stderr]    Compiling patharg v0.4.0
[INFO] [stderr]    Compiling fastlz-rs v0.0.3
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling zstd-sys v2.0.14+zstd.1.5.7
[INFO] [stderr]    Compiling clap v4.5.32
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling num_enum v0.7.3
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling rpgcpf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.09s
[INFO] running `Command { std: "docker" "inspect" "8b7aca861a0e8dc5e56b93f73e7e0d0de70c0f8e32c9df48a2902db8bd775ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7aca861a0e8dc5e56b93f73e7e0d0de70c0f8e32c9df48a2902db8bd775ef7", kill_on_drop: false }`
[INFO] [stdout] 8b7aca861a0e8dc5e56b93f73e7e0d0de70c0f8e32c9df48a2902db8bd775ef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e097ab5d72d4feac4ee8a61fa91e3c90d09a29d8c4ce263d4e7709d2e49e9620
[INFO] running `Command { std: "docker" "start" "-a" "e097ab5d72d4feac4ee8a61fa91e3c90d09a29d8c4ce263d4e7709d2e49e9620", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rstest_macros v0.24.0
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling num_enum v0.7.3
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling clap v4.5.32
[INFO] [stderr]    Compiling rpgcpf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rstest v0.24.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(test, feature(coverage_attribute))]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(test, feature(assert_matches))]
[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 `rpgcpf` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e097ab5d72d4feac4ee8a61fa91e3c90d09a29d8c4ce263d4e7709d2e49e9620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e097ab5d72d4feac4ee8a61fa91e3c90d09a29d8c4ce263d4e7709d2e49e9620", kill_on_drop: false }`
[INFO] [stdout] e097ab5d72d4feac4ee8a61fa91e3c90d09a29d8c4ce263d4e7709d2e49e9620