[INFO] fetching crate oscript 0.1.1...
[INFO] testing oscript-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate oscript 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate oscript 0.1.1
[INFO] finished tweaking crates.io crate oscript 0.1.1
[INFO] tweaked toml for crates.io crate oscript 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oscript 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oscript-derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de99ed12b6d4e23a334785715b1c6d2ac6ea7d2ed6e3e94b9a73e77f80cdf5ea
[INFO] running `Command { std: "docker" "start" "-a" "de99ed12b6d4e23a334785715b1c6d2ac6ea7d2ed6e3e94b9a73e77f80cdf5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de99ed12b6d4e23a334785715b1c6d2ac6ea7d2ed6e3e94b9a73e77f80cdf5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de99ed12b6d4e23a334785715b1c6d2ac6ea7d2ed6e3e94b9a73e77f80cdf5ea", kill_on_drop: false }`
[INFO] [stdout] de99ed12b6d4e23a334785715b1c6d2ac6ea7d2ed6e3e94b9a73e77f80cdf5ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe3c62a0b5dcc9d58696dedefe8432efe6c804c5c52b13a0768c8a2c7efad6a3
[INFO] running `Command { std: "docker" "start" "-a" "fe3c62a0b5dcc9d58696dedefe8432efe6c804c5c52b13a0768c8a2c7efad6a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling clap_complete v4.5.60
[INFO] [stderr]    Compiling oscript-derive v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/oscript-derive-0.1.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[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 `oscript-derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fe3c62a0b5dcc9d58696dedefe8432efe6c804c5c52b13a0768c8a2c7efad6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3c62a0b5dcc9d58696dedefe8432efe6c804c5c52b13a0768c8a2c7efad6a3", kill_on_drop: false }`
[INFO] [stdout] fe3c62a0b5dcc9d58696dedefe8432efe6c804c5c52b13a0768c8a2c7efad6a3