[INFO] fetching crate vg-batteries 0.1.1...
[INFO] testing vg-batteries-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate vg-batteries 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate vg-batteries 0.1.1
[INFO] finished tweaking crates.io crate vg-batteries 0.1.1
[INFO] tweaked toml for crates.io crate vg-batteries 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vg-batteries 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 433 packages to latest compatible versions
[INFO] [stderr]       Adding async-lock v2.8.0 (available: v3.4.1)
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[INFO] [stderr]       Adding google-sheets4 v5.0.5+20240621 (available: v6.0.0+20240621)
[INFO] [stderr]       Adding teloxide v0.12.2 (available: v0.17.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa59441fa3d310dd2a756c8cf7b362f13b2580f30cefe9141f093372751c999e
[INFO] running `Command { std: "docker" "start" "-a" "aa59441fa3d310dd2a756c8cf7b362f13b2580f30cefe9141f093372751c999e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa59441fa3d310dd2a756c8cf7b362f13b2580f30cefe9141f093372751c999e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa59441fa3d310dd2a756c8cf7b362f13b2580f30cefe9141f093372751c999e", kill_on_drop: false }`
[INFO] [stdout] aa59441fa3d310dd2a756c8cf7b362f13b2580f30cefe9141f093372751c999e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73ab0364b3eb0f0edc31ca50914d0345a8fbfcd27ae1c6f7714dce0d262af2b8
[INFO] running `Command { std: "docker" "start" "-a" "73ab0364b3eb0f0edc31ca50914d0345a8fbfcd27ae1c6f7714dce0d262af2b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling vg-batteries v0.1.1 (/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(result_option_inspect)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(doc_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_option_inspect` has been stable since 1.76.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_option_inspect)]
[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 `vg-batteries` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "73ab0364b3eb0f0edc31ca50914d0345a8fbfcd27ae1c6f7714dce0d262af2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ab0364b3eb0f0edc31ca50914d0345a8fbfcd27ae1c6f7714dce0d262af2b8", kill_on_drop: false }`
[INFO] [stdout] 73ab0364b3eb0f0edc31ca50914d0345a8fbfcd27ae1c6f7714dce0d262af2b8