[INFO] fetching crate simdnbt 0.10.0...
[INFO] testing simdnbt-0.10.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate simdnbt 0.10.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate simdnbt 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate simdnbt 0.10.0
[INFO] tweaked toml for crates.io crate simdnbt 0.10.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simdnbt 0.10.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate simdnbt 0.10.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5c12f1f084e3763bcaac67eb5e13e3be64b37fd0a619eae391ae67781079e0e2
[INFO] running `Command { std: "docker" "start" "5c12f1f084e3763bcaac67eb5e13e3be64b37fd0a619eae391ae67781079e0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c12f1f084e3763bcaac67eb5e13e3be64b37fd0a619eae391ae67781079e0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5c12f1f084e3763bcaac67eb5e13e3be64b37fd0a619eae391ae67781079e0e2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c12f1f084e3763bcaac67eb5e13e3be64b37fd0a619eae391ae67781079e0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5c12f1f084e3763bcaac67eb5e13e3be64b37fd0a619eae391ae67781079e0e2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling simd_cesu8 v1.1.0
[INFO] [stderr]    Compiling flate2 v1.1.8
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling simdnbt-derive v0.10.0
[INFO] [stderr]    Compiling simdnbt v0.10.0 (/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(portable_simd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `allocator_api` has been partially stabilized since 1.100.0 and is succeeded by the feature `allocator_ext`
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(allocator_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] help: if you are using features which are still unstable, change to using `allocator_ext`
[INFO] [stdout]   |
[INFO] [stdout] 3 - #![feature(allocator_api)]
[INFO] [stdout] 3 + #![feature(allocator_ext)]
[INFO] [stdout]   |
[INFO] [stdout] help: if you are using features which are now stable, remove this line
[INFO] [stdout]   |
[INFO] [stdout] 3 - #![feature(allocator_api)]
[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 `simdnbt` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: unused dependency `flate2`
[INFO] [stderr]   --> Cargo.toml:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 | [dependencies.flate2]
[INFO] [stderr]    |               ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `flate2`
[INFO] [stderr] warning: `simdnbt` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "5c12f1f084e3763bcaac67eb5e13e3be64b37fd0a619eae391ae67781079e0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c12f1f084e3763bcaac67eb5e13e3be64b37fd0a619eae391ae67781079e0e2", kill_on_drop: false }`
[INFO] [stdout] 5c12f1f084e3763bcaac67eb5e13e3be64b37fd0a619eae391ae67781079e0e2
