[INFO] fetching crate scriptr 0.1.4...
[INFO] testing scriptr-0.1.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate scriptr 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate scriptr 0.1.4
[INFO] finished tweaking crates.io crate scriptr 0.1.4
[INFO] tweaked toml for crates.io crate scriptr 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scriptr 0.1.4 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 scriptr 0.1.4 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] af0a5b31f1efed762a1936ca4fae45ca0a0be2d6cb4d50ca55726359037565ee
[INFO] running `Command { std: "docker" "start" "-a" "af0a5b31f1efed762a1936ca4fae45ca0a0be2d6cb4d50ca55726359037565ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af0a5b31f1efed762a1936ca4fae45ca0a0be2d6cb4d50ca55726359037565ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0a5b31f1efed762a1936ca4fae45ca0a0be2d6cb4d50ca55726359037565ee", kill_on_drop: false }`
[INFO] [stdout] af0a5b31f1efed762a1936ca4fae45ca0a0be2d6cb4d50ca55726359037565ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c2d677190b49f2167d2a02a87b79df83304cf2a9758faf15557c9f9d3eb61b60
[INFO] running `Command { std: "docker" "start" "-a" "c2d677190b49f2167d2a02a87b79df83304cf2a9758faf15557c9f9d3eb61b60", kill_on_drop: false }`
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling cc v1.2.31
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling clap_builder v4.5.42
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling clap v4.5.42
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling scriptr v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(file_lock)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `file_lock` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(file_lock)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scriptr` (bin "scriptr") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c2d677190b49f2167d2a02a87b79df83304cf2a9758faf15557c9f9d3eb61b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d677190b49f2167d2a02a87b79df83304cf2a9758faf15557c9f9d3eb61b60", kill_on_drop: false }`
[INFO] [stdout] c2d677190b49f2167d2a02a87b79df83304cf2a9758faf15557c9f9d3eb61b60