[INFO] fetching crate rustc_term 0.0.1...
[INFO] testing rustc_term-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rustc_term 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rustc_term 0.0.1
[INFO] finished tweaking crates.io crate rustc_term 0.0.1
[INFO] tweaked toml for crates.io crate rustc_term 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc_term 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] 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] 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 861749a49af2be1531215dd86766e0ca8a149e95e40254888eda9b5b1af0f07d
[INFO] running `Command { std: "docker" "start" "-a" "861749a49af2be1531215dd86766e0ca8a149e95e40254888eda9b5b1af0f07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861749a49af2be1531215dd86766e0ca8a149e95e40254888eda9b5b1af0f07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861749a49af2be1531215dd86766e0ca8a149e95e40254888eda9b5b1af0f07d", kill_on_drop: false }`
[INFO] [stdout] 861749a49af2be1531215dd86766e0ca8a149e95e40254888eda9b5b1af0f07d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 661cdd1f579cf2d364cc645c2cf0d3d41014e0445654c6331753b4c2fdf1ebcf
[INFO] running `Command { std: "docker" "start" "-a" "661cdd1f579cf2d364cc645c2cf0d3d41014e0445654c6331753b4c2fdf1ebcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc_term v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | #![feature(custom_attribute)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.0.0; see <https://github.com/rust-lang/rust/pull/66070> for more information
[INFO] [stdout]    = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc_term` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "661cdd1f579cf2d364cc645c2cf0d3d41014e0445654c6331753b4c2fdf1ebcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661cdd1f579cf2d364cc645c2cf0d3d41014e0445654c6331753b4c2fdf1ebcf", kill_on_drop: false }`
[INFO] [stdout] 661cdd1f579cf2d364cc645c2cf0d3d41014e0445654c6331753b4c2fdf1ebcf
