[INFO] fetching crate rap 0.1.0...
[INFO] testing rap-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rap 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rap 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rap 0.1.0
[INFO] finished tweaking crates.io crate rap 0.1.0
[INFO] tweaked toml for crates.io crate rap 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfbd983f1e2b602706411baeb8f1f017797b1e21f9ff19a2f7b80c9c62c54f5a
[INFO] running `Command { std: "docker" "start" "-a" "dfbd983f1e2b602706411baeb8f1f017797b1e21f9ff19a2f7b80c9c62c54f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfbd983f1e2b602706411baeb8f1f017797b1e21f9ff19a2f7b80c9c62c54f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbd983f1e2b602706411baeb8f1f017797b1e21f9ff19a2f7b80c9c62c54f5a", kill_on_drop: false }`
[INFO] [stdout] dfbd983f1e2b602706411baeb8f1f017797b1e21f9ff19a2f7b80c9c62c54f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b438d4c936f32826f452e906a199b4ebc9a51150bc8d95bb1541961d8e9c3c4
[INFO] running `Command { std: "docker" "start" "-a" "1b438d4c936f32826f452e906a199b4ebc9a51150bc8d95bb1541961d8e9c3c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling alac v0.3.3
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling sample v0.9.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ogg v0.5.1
[INFO] [stderr]    Compiling caf v0.1.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling lewton v0.7.0
[INFO] [stderr]    Compiling dft v0.5.5
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sample-0.9.1/src/window.rs:73:41
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let v = phase.to_float_sample().to_sample() * PI_2;
[INFO] [stdout]    |                                         ^^^^^^^^^ cannot infer type for type parameter `S` declared on the associated function `to_sample`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the type argument in the method call
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let v = phase.to_float_sample().to_sample::<S>() * PI_2;
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sample` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1b438d4c936f32826f452e906a199b4ebc9a51150bc8d95bb1541961d8e9c3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b438d4c936f32826f452e906a199b4ebc9a51150bc8d95bb1541961d8e9c3c4", kill_on_drop: false }`
[INFO] [stdout] 1b438d4c936f32826f452e906a199b4ebc9a51150bc8d95bb1541961d8e9c3c4