[INFO] fetching crate hvm-core 0.3.0-hvm32.compat.4...
[INFO] testing hvm-core-0.3.0-hvm32.compat.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hvm-core 0.3.0-hvm32.compat.4 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate hvm-core 0.3.0-hvm32.compat.4
[INFO] finished tweaking crates.io crate hvm-core 0.3.0-hvm32.compat.4
[INFO] tweaked toml for crates.io crate hvm-core 0.3.0-hvm32.compat.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hvm-core 0.3.0-hvm32.compat.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 hvm-core 0.3.0-hvm32.compat.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] 90fd5427f2bdb076ee3d29aae40a72157fac892718b7241e2ce93e9038724814
[INFO] running `Command { std: "docker" "start" "-a" "90fd5427f2bdb076ee3d29aae40a72157fac892718b7241e2ce93e9038724814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90fd5427f2bdb076ee3d29aae40a72157fac892718b7241e2ce93e9038724814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90fd5427f2bdb076ee3d29aae40a72157fac892718b7241e2ce93e9038724814", kill_on_drop: false }`
[INFO] [stdout] 90fd5427f2bdb076ee3d29aae40a72157fac892718b7241e2ce93e9038724814
[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] 31d7e8166db57d324979f4baad053f702ef5e844c76dbbc5cc462acc0d1a257b
[INFO] running `Command { std: "docker" "start" "-a" "31d7e8166db57d324979f4baad053f702ef5e844c76dbbc5cc462acc0d1a257b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling anstyle-query v1.0.3
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.60
[INFO] [stderr]    Compiling highlight_error v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling TSPL v0.0.9
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling parking_lot v0.12.2
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.60
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling hvm-core v0.3.0-hvm32.compat.4 (/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(const_type_id, extern_types, inline_const, generic_const_exprs, new_uninit)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `inline_const` has been stable since `1.79.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inline_const` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_type_id, extern_types, inline_const, generic_const_exprs, new_uninit)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_type_id` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_type_id, extern_types, inline_const, generic_const_exprs, new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_uninit` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:76
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_type_id, extern_types, inline_const, generic_const_exprs, new_uninit)]
[INFO] [stdout]   |                                                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `host`
[INFO] [stdout]   --> src/compile.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn compile_host(host: &Host) -> String {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_host`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/run/interact.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |   pub fn interact(&mut self, a: Port, b: Port) {
[INFO] [stdout]   |                              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/run/interact.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 |   pub fn interact(&mut self, a: Port, b: Port) {
[INFO] [stdout]   |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hvm-core` (lib) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "31d7e8166db57d324979f4baad053f702ef5e844c76dbbc5cc462acc0d1a257b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d7e8166db57d324979f4baad053f702ef5e844c76dbbc5cc462acc0d1a257b", kill_on_drop: false }`
[INFO] [stdout] 31d7e8166db57d324979f4baad053f702ef5e844c76dbbc5cc462acc0d1a257b