[INFO] fetching crate lock_free_buddy_allocator 0.2.1...
[INFO] testing lock_free_buddy_allocator-0.2.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate lock_free_buddy_allocator 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate lock_free_buddy_allocator 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lock_free_buddy_allocator 0.2.1
[INFO] tweaked toml for crates.io crate lock_free_buddy_allocator 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lock_free_buddy_allocator 0.2.1 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] crate crates.io crate lock_free_buddy_allocator 0.2.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.26
[INFO] [stderr]   Downloaded smallvec v1.14.0
[INFO] [stderr]   Downloaded either v1.14.0
[INFO] [stderr]   Downloaded itoa v1.0.14
[INFO] [stderr]   Downloaded is-terminal v0.4.15
[INFO] [stderr]   Downloaded oorandom v11.1.4
[INFO] [stderr]   Downloaded half v2.4.1
[INFO] [stderr]   Downloaded clap v4.5.31
[INFO] [stderr]   Downloaded loom v0.7.2
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded clap_builder v4.5.31
[INFO] [stderr]   Downloaded serde_json v1.0.139
[INFO] [stderr]   Downloaded ryu v1.0.19
[INFO] [stderr]   Downloaded generator v0.8.4
[INFO] [stderr]   Downloaded libc v0.2.170
[INFO] [stderr]   Downloaded rustversion v1.0.19
[INFO] [stderr]   Downloaded once_cell v1.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ca157aaca21330657097d787ccf6204132aa19ddaef3aa2796d4ffdfb4b8363b
[INFO] running `Command { std: "docker" "start" "-a" "ca157aaca21330657097d787ccf6204132aa19ddaef3aa2796d4ffdfb4b8363b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca157aaca21330657097d787ccf6204132aa19ddaef3aa2796d4ffdfb4b8363b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca157aaca21330657097d787ccf6204132aa19ddaef3aa2796d4ffdfb4b8363b", kill_on_drop: false }`
[INFO] [stdout] ca157aaca21330657097d787ccf6204132aa19ddaef3aa2796d4ffdfb4b8363b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9cf8aab1692b96a079db43605e3822c6345fa5d21ac36413b3ff9f2419a2d1bc
[INFO] running `Command { std: "docker" "start" "-a" "9cf8aab1692b96a079db43605e3822c6345fa5d21ac36413b3ff9f2419a2d1bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_free_buddy_allocator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![feature(allocator_api)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | #![feature(slice_ptr_get)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_free_buddy_allocator` (lib) due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9cf8aab1692b96a079db43605e3822c6345fa5d21ac36413b3ff9f2419a2d1bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf8aab1692b96a079db43605e3822c6345fa5d21ac36413b3ff9f2419a2d1bc", kill_on_drop: false }`
[INFO] [stdout] 9cf8aab1692b96a079db43605e3822c6345fa5d21ac36413b3ff9f2419a2d1bc