[INFO] fetching crate libafl_inline_c 0.1.0...
[INFO] testing libafl_inline_c-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate libafl_inline_c 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate libafl_inline_c 0.1.0
[INFO] finished tweaking crates.io crate libafl_inline_c 0.1.0
[INFO] tweaked toml for crates.io crate libafl_inline_c 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libafl_inline_c 0.1.0 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 54 packages to latest compatible versions
[INFO] [stderr]       Adding assert_cmd v1.0.8 (available: v2.0.17)
[INFO] [stderr]       Adding predicates v2.1.5 (available: v3.1.3)
[INFO] [stderr]       Adding rustc_version v0.3.3 (available: v0.4.1)
[INFO] [stderr]       Adding target-lexicon v0.11.2 (available: v0.13.3)
[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-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] 04285b3f20a2311fe04c45a26f00e58554ac5ec29737e631f6cd0af8aeb14ef4
[INFO] running `Command { std: "docker" "start" "-a" "04285b3f20a2311fe04c45a26f00e58554ac5ec29737e631f6cd0af8aeb14ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04285b3f20a2311fe04c45a26f00e58554ac5ec29737e631f6cd0af8aeb14ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04285b3f20a2311fe04c45a26f00e58554ac5ec29737e631f6cd0af8aeb14ef4", kill_on_drop: false }`
[INFO] [stdout] 04285b3f20a2311fe04c45a26f00e58554ac5ec29737e631f6cd0af8aeb14ef4
[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] 6e80f8cc2d46b4fc76e4bef246bd5332cede88cf07accafb212b840a037d8619
[INFO] running `Command { std: "docker" "start" "-a" "6e80f8cc2d46b4fc76e4bef246bd5332cede88cf07accafb212b840a037d8619", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling target-lexicon v0.11.2
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling pest v2.8.2
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling assert_cmd v1.0.8
[INFO] [stderr]    Compiling semver-parser v0.10.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling libafl_inline_c_macro v0.1.6
[INFO] [stderr]    Compiling libafl_inline_c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libafl_inline_c_macro-0.1.6/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_span)]
[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 `libafl_inline_c_macro` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6e80f8cc2d46b4fc76e4bef246bd5332cede88cf07accafb212b840a037d8619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e80f8cc2d46b4fc76e4bef246bd5332cede88cf07accafb212b840a037d8619", kill_on_drop: false }`
[INFO] [stdout] 6e80f8cc2d46b4fc76e4bef246bd5332cede88cf07accafb212b840a037d8619