[INFO] fetching crate synfx-dsp 0.5.5...
[INFO] testing synfx-dsp-0.5.5 against 1.75.0 for beta-1.76-1
[INFO] extracting crate synfx-dsp 0.5.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate synfx-dsp 0.5.5 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synfx-dsp 0.5.5
[INFO] finished tweaking crates.io crate synfx-dsp 0.5.5
[INFO] tweaked toml for crates.io crate synfx-dsp 0.5.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bb9d8ebebc3b0d37a97407aa2a0f483a34c264f4743697572d9d08169c717b6
[INFO] running `Command { std: "docker" "start" "-a" "5bb9d8ebebc3b0d37a97407aa2a0f483a34c264f4743697572d9d08169c717b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bb9d8ebebc3b0d37a97407aa2a0f483a34c264f4743697572d9d08169c717b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb9d8ebebc3b0d37a97407aa2a0f483a34c264f4743697572d9d08169c717b6", kill_on_drop: false }`
[INFO] [stdout] 5bb9d8ebebc3b0d37a97407aa2a0f483a34c264f4743697572d9d08169c717b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f430867e164236abcd43b99e8ae4564d255bc5247f5c0aa40c809c25d61a9e9
[INFO] running `Command { std: "docker" "start" "-a" "3f430867e164236abcd43b99e8ae4564d255bc5247f5c0aa40c809c25d61a9e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling synfx-dsp v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `test::*`
[INFO] [stdout]    --> src/lib.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub use test::*;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 | #![feature(portable_simd)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synfx-dsp` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3f430867e164236abcd43b99e8ae4564d255bc5247f5c0aa40c809c25d61a9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f430867e164236abcd43b99e8ae4564d255bc5247f5c0aa40c809c25d61a9e9", kill_on_drop: false }`
[INFO] [stdout] 3f430867e164236abcd43b99e8ae4564d255bc5247f5c0aa40c809c25d61a9e9
