[INFO] fetching crate std-mel 0.9.0...
[INFO] testing std-mel-0.9.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate std-mel 0.9.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate std-mel 0.9.0
[INFO] finished tweaking crates.io crate std-mel 0.9.0
[INFO] tweaked toml for crates.io crate std-mel 0.9.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate std-mel 0.9.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate std-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb8a3e7445a313753c3dc11c6b3a9a33e99f65309de853365d5f0c91ca03970e
[INFO] running `Command { std: "docker" "start" "-a" "fb8a3e7445a313753c3dc11c6b3a9a33e99f65309de853365d5f0c91ca03970e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb8a3e7445a313753c3dc11c6b3a9a33e99f65309de853365d5f0c91ca03970e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8a3e7445a313753c3dc11c6b3a9a33e99f65309de853365d5f0c91ca03970e", kill_on_drop: false }`
[INFO] [stdout] fb8a3e7445a313753c3dc11c6b3a9a33e99f65309de853365d5f0c91ca03970e
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97bfbc804e2cf3b3d98228396955a92e2efd0d441b88ee34244c279bd606f9b0
[INFO] running `Command { std: "docker" "start" "-a" "97bfbc804e2cf3b3d98228396955a92e2efd0d441b88ee34244c279bd606f9b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling strfmt v0.2.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[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 polling v3.8.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling async-io v2.4.1
[INFO] [stderr]    Compiling melodium-macro v0.9.0
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.13.1
[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 melodium-common v0.9.0
[INFO] [stderr]    Compiling melodium-core v0.9.0
[INFO] [stderr]    Compiling std-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 `std-mel` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "97bfbc804e2cf3b3d98228396955a92e2efd0d441b88ee34244c279bd606f9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bfbc804e2cf3b3d98228396955a92e2efd0d441b88ee34244c279bd606f9b0", kill_on_drop: false }`
[INFO] [stdout] 97bfbc804e2cf3b3d98228396955a92e2efd0d441b88ee34244c279bd606f9b0