[INFO] fetching crate my_macro_crate 0.1.0...
[INFO] testing my_macro_crate-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate my_macro_crate 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate my_macro_crate 0.1.0
[INFO] finished tweaking crates.io crate my_macro_crate 0.1.0
[INFO] tweaked toml for crates.io crate my_macro_crate 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate my_macro_crate 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 3 packages to latest compatible versions
[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-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] 46089d49d70cd50d476921aaa366d7bbac41ba89198638020a8a954fb8114515
[INFO] running `Command { std: "docker" "start" "-a" "46089d49d70cd50d476921aaa366d7bbac41ba89198638020a8a954fb8114515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46089d49d70cd50d476921aaa366d7bbac41ba89198638020a8a954fb8114515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46089d49d70cd50d476921aaa366d7bbac41ba89198638020a8a954fb8114515", kill_on_drop: false }`
[INFO] [stdout] 46089d49d70cd50d476921aaa366d7bbac41ba89198638020a8a954fb8114515
[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] eb46613a111f392a6a3767dc0c78d46f3a49b045a84e19c97c12c7ca20c1ffa0
[INFO] running `Command { std: "docker" "start" "-a" "eb46613a111f392a6a3767dc0c78d46f3a49b045a84e19c97c12c7ca20c1ffa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling my_macro_crate v0.1.0 (/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(proc_macro_span, proc_macro_quote)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `proc_macro::Span` in the current scope
[INFO] [stdout]  --> src/lib.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let src_file = span.source_file().path();
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 -     let src_file = span.source_file().path();
[INFO] [stdout] 9 +     let src_file = span.source().path();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my_macro_crate` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "eb46613a111f392a6a3767dc0c78d46f3a49b045a84e19c97c12c7ca20c1ffa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb46613a111f392a6a3767dc0c78d46f3a49b045a84e19c97c12c7ca20c1ffa0", kill_on_drop: false }`
[INFO] [stdout] eb46613a111f392a6a3767dc0c78d46f3a49b045a84e19c97c12c7ca20c1ffa0