[INFO] fetching crate net-mel 0.9.0...
[INFO] testing net-mel-0.9.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate net-mel 0.9.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate net-mel 0.9.0
[INFO] finished tweaking crates.io crate net-mel 0.9.0
[INFO] tweaked toml for crates.io crate net-mel 0.9.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate net-mel 0.9.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate net-mel 0.9.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a873cdc001a983ca997614d6970b2a10ebd77305a33a2d11a3240be93e4adcfe
[INFO] running `Command { std: "docker" "start" "-a" "a873cdc001a983ca997614d6970b2a10ebd77305a33a2d11a3240be93e4adcfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a873cdc001a983ca997614d6970b2a10ebd77305a33a2d11a3240be93e4adcfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a873cdc001a983ca997614d6970b2a10ebd77305a33a2d11a3240be93e4adcfe", kill_on_drop: false }`
[INFO] [stdout] a873cdc001a983ca997614d6970b2a10ebd77305a33a2d11a3240be93e4adcfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6835defb4c6eb42b257ab51b6233431abc80192404f2374dd6c3ca06649cbf3
[INFO] running `Command { std: "docker" "start" "-a" "b6835defb4c6eb42b257ab51b6233431abc80192404f2374dd6c3ca06649cbf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling melodium-macro v0.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling erased-serde v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling melodium-common v0.9.0
[INFO] [stderr]    Compiling melodium-core v0.9.0
[INFO] [stderr]    Compiling net-mel v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: One of the two features 'real' or 'mock' must be enabled
[INFO] [stdout]  --> 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 `net-mel` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b6835defb4c6eb42b257ab51b6233431abc80192404f2374dd6c3ca06649cbf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6835defb4c6eb42b257ab51b6233431abc80192404f2374dd6c3ca06649cbf3", kill_on_drop: false }`
[INFO] [stdout] b6835defb4c6eb42b257ab51b6233431abc80192404f2374dd6c3ca06649cbf3