[INFO] fetching crate rpgcpf 0.1.1...
[INFO] testing rpgcpf-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rpgcpf 0.1.1 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpgcpf 0.1.1 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 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a9080038fcec5db427d68013ae90d37688e5a8356dbb7aa5f86fdff199a79b93
[INFO] running `Command { std: "docker" "start" "-a" "a9080038fcec5db427d68013ae90d37688e5a8356dbb7aa5f86fdff199a79b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9080038fcec5db427d68013ae90d37688e5a8356dbb7aa5f86fdff199a79b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9080038fcec5db427d68013ae90d37688e5a8356dbb7aa5f86fdff199a79b93", kill_on_drop: false }`
[INFO] [stdout] a9080038fcec5db427d68013ae90d37688e5a8356dbb7aa5f86fdff199a79b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 21874bf4c848814254127e7c0acd3348cb5865492f6feeffb6ef699ae8f85cd0
[INFO] running `Command { std: "docker" "start" "-a" "21874bf4c848814254127e7c0acd3348cb5865492f6feeffb6ef699ae8f85cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling winnow v0.7.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling zstd-safe v7.2.3
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling clap_builder v4.5.32
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling brotli-decompressor v4.0.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling patharg v0.4.0
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling zstd-sys v2.0.14+zstd.1.5.7
[INFO] [stderr]    Compiling humanize-bytes v1.0.6
[INFO] [stderr]    Compiling fastlz-rs v0.0.3
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling brotli v7.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling thiserror v2.0.12
[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 clap v4.5.32
[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 1m 03s
[INFO] running `Command { std: "docker" "inspect" "21874bf4c848814254127e7c0acd3348cb5865492f6feeffb6ef699ae8f85cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21874bf4c848814254127e7c0acd3348cb5865492f6feeffb6ef699ae8f85cd0", kill_on_drop: false }`
[INFO] [stdout] 21874bf4c848814254127e7c0acd3348cb5865492f6feeffb6ef699ae8f85cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 53f9f657f6e9370d825504b97da3c36fbaa21f8df522bdf54847e9679e79de6c
[INFO] running `Command { std: "docker" "start" "-a" "53f9f657f6e9370d825504b97da3c36fbaa21f8df522bdf54847e9679e79de6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rstest_macros v0.24.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[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" "53f9f657f6e9370d825504b97da3c36fbaa21f8df522bdf54847e9679e79de6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f9f657f6e9370d825504b97da3c36fbaa21f8df522bdf54847e9679e79de6c", kill_on_drop: false }`
[INFO] [stdout] 53f9f657f6e9370d825504b97da3c36fbaa21f8df522bdf54847e9679e79de6c
