[INFO] fetching crate process-mel 0.10.0...
[INFO] testing process-mel-0.10.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate process-mel 0.10.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate process-mel 0.10.0
[INFO] finished tweaking crates.io crate process-mel 0.10.0
[INFO] tweaked toml for crates.io crate process-mel 0.10.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate process-mel 0.10.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate process-mel 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" "+beta-2026-04-21" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a085c35b2d1846387ca5fd88596d9d2e5cda9970a40779bc1a3837ae573ad53d
[INFO] running `Command { std: "docker" "start" "-a" "a085c35b2d1846387ca5fd88596d9d2e5cda9970a40779bc1a3837ae573ad53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a085c35b2d1846387ca5fd88596d9d2e5cda9970a40779bc1a3837ae573ad53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a085c35b2d1846387ca5fd88596d9d2e5cda9970a40779bc1a3837ae573ad53d", kill_on_drop: false }`
[INFO] [stdout] a085c35b2d1846387ca5fd88596d9d2e5cda9970a40779bc1a3837ae573ad53d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ebc487da28a4bfc5711850d6d28224b5269ef7275ac2954b8dcc3c8c520312e
[INFO] running `Command { std: "docker" "start" "-a" "5ebc487da28a4bfc5711850d6d28224b5269ef7275ac2954b8dcc3c8c520312e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling value-bag v1.12.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling async-executor v1.14.0
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling strfmt v0.2.5
[INFO] [stderr]    Compiling stacker v0.1.23
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling uuid v1.21.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling ar_archive_writer v0.5.1
[INFO] [stderr]    Compiling melodium-macro v0.10.0
[INFO] [stderr]    Compiling psm v0.1.30
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling melodium-common v0.10.0
[INFO] [stderr]    Compiling melodium-engine v0.10.0
[INFO] [stderr]    Compiling melodium-core v0.10.0
[INFO] [stderr]    Compiling std-mel v0.10.0
[INFO] [stdout] error: One of the two features 'real' or 'mock' must be enabled
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/std-mel-0.10.0/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | compile_error!("One of the two features 'real' or 'mock' must be enabled");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `std-mel` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5ebc487da28a4bfc5711850d6d28224b5269ef7275ac2954b8dcc3c8c520312e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebc487da28a4bfc5711850d6d28224b5269ef7275ac2954b8dcc3c8c520312e", kill_on_drop: false }`
[INFO] [stdout] 5ebc487da28a4bfc5711850d6d28224b5269ef7275ac2954b8dcc3c8c520312e
