[INFO] fetching crate tpm2 0.0.4...
[INFO] testing tpm2-0.0.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tpm2 0.0.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tpm2 0.0.4
[INFO] finished tweaking crates.io crate tpm2 0.0.4
[INFO] tweaked toml for crates.io crate tpm2 0.0.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tpm2 0.0.4 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 tpm2 0.0.4 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fae74fcb9a8f570a8f3c7fdb9d29d84fc5aa2bd75e5655088837f92ab033874b
[INFO] running `Command { std: "docker" "start" "-a" "fae74fcb9a8f570a8f3c7fdb9d29d84fc5aa2bd75e5655088837f92ab033874b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fae74fcb9a8f570a8f3c7fdb9d29d84fc5aa2bd75e5655088837f92ab033874b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae74fcb9a8f570a8f3c7fdb9d29d84fc5aa2bd75e5655088837f92ab033874b", kill_on_drop: false }`
[INFO] [stdout] fae74fcb9a8f570a8f3c7fdb9d29d84fc5aa2bd75e5655088837f92ab033874b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 518165af1cdee96a65a16572beeac203336d2a31a565a2bca51c4d34b7af883a
[INFO] running `Command { std: "docker" "start" "-a" "518165af1cdee96a65a16572beeac203336d2a31a565a2bca51c4d34b7af883a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling tpm2 v0.0.4 (/opt/rustwide/workdir)
[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(split_array, doc_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_array_ref` found for mutable reference `&mut &'a [u8]` in the current scope
[INFO] [stdout]   --> src/marshal.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let (arr, suffix) = buf.split_array_ref();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `split_at` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:1946:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_array_mut` found for mutable reference `&mut [u8]` in the current scope
[INFO] [stdout]   --> src/marshal.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let (arr, suffix) = old.split_array_mut();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `split_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/slice/mod.rs:2260:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tpm2` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "518165af1cdee96a65a16572beeac203336d2a31a565a2bca51c4d34b7af883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518165af1cdee96a65a16572beeac203336d2a31a565a2bca51c4d34b7af883a", kill_on_drop: false }`
[INFO] [stdout] 518165af1cdee96a65a16572beeac203336d2a31a565a2bca51c4d34b7af883a