[INFO] fetching crate vec64 0.2.0... [INFO] testing vec64-0.2.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate vec64 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate vec64 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate vec64 0.2.0 [INFO] tweaked toml for crates.io crate vec64 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vec64 0.2.0 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] crate crates.io crate vec64 0.2.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 979c14d3ca234f455f385eadf2995dfc51393080ecbf33b77fd28737c8e8da93 [INFO] running `Command { std: "docker" "start" "-a" "979c14d3ca234f455f385eadf2995dfc51393080ecbf33b77fd28737c8e8da93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "979c14d3ca234f455f385eadf2995dfc51393080ecbf33b77fd28737c8e8da93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "979c14d3ca234f455f385eadf2995dfc51393080ecbf33b77fd28737c8e8da93", kill_on_drop: false }` [INFO] [stdout] 979c14d3ca234f455f385eadf2995dfc51393080ecbf33b77fd28737c8e8da93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e464d8c61e7f0d4401a3471f67a3fb435c5ec7b55ba61eefef2d0622f6af2798 [INFO] running `Command { std: "docker" "start" "-a" "e464d8c61e7f0d4401a3471f67a3fb435c5ec7b55ba61eefef2d0622f6af2798", kill_on_drop: false }` [INFO] [stderr] Compiling vec64 v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(allocator_api)] [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:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | #![feature(slice_ptr_get)] [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 `vec64` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e464d8c61e7f0d4401a3471f67a3fb435c5ec7b55ba61eefef2d0622f6af2798", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e464d8c61e7f0d4401a3471f67a3fb435c5ec7b55ba61eefef2d0622f6af2798", kill_on_drop: false }` [INFO] [stdout] e464d8c61e7f0d4401a3471f67a3fb435c5ec7b55ba61eefef2d0622f6af2798