[INFO] fetching crate volume 0.4.0...
[INFO] testing volume-0.4.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate volume 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate volume 0.4.0 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 volume 0.4.0
[INFO] finished tweaking crates.io crate volume 0.4.0
[INFO] tweaked toml for crates.io crate volume 0.4.0 written to /workspace/builds/worker-4-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time_calc v0.11.1
[INFO] [stderr]   Downloaded dsp-chain v0.13.1
[INFO] [stderr]   Downloaded petgraph v0.2.10
[INFO] [stderr]   Downloaded daggy v0.4.1
[INFO] [stderr]   Downloaded sample v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0c1e1ffdd4c8fb4bb2fdcfb6a258753f2009b3417c5ddf1c86df8e5b8c7307ff
[INFO] running `Command { std: "docker" "start" "-a" "0c1e1ffdd4c8fb4bb2fdcfb6a258753f2009b3417c5ddf1c86df8e5b8c7307ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c1e1ffdd4c8fb4bb2fdcfb6a258753f2009b3417c5ddf1c86df8e5b8c7307ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1e1ffdd4c8fb4bb2fdcfb6a258753f2009b3417c5ddf1c86df8e5b8c7307ff", kill_on_drop: false }`
[INFO] [stdout] 0c1e1ffdd4c8fb4bb2fdcfb6a258753f2009b3417c5ddf1c86df8e5b8c7307ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 902994ec6a897f0239174752f966d8c7dd782e81de853a13786ad0dbca16508c
[INFO] running `Command { std: "docker" "start" "-a" "902994ec6a897f0239174752f966d8c7dd782e81de853a13786ad0dbca16508c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling sample v0.6.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling petgraph v0.2.10
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling daggy v0.4.1
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sample-0.6.2/src/window.rs:57:41
[INFO] [stdout]     |
[INFO] [stdout] 57  |         let v = phase.to_float_sample().to_sample() * PI_2;
[INFO] [stdout]     |                                         ^^^^^^^^^ cannot infer type of the type parameter `S` declared on the method `to_sample`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `<S as Sample>::Float: ToSample<_>`
[INFO] [stdout] note: required by a bound in `Sample::to_sample`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sample-0.6.2/src/lib.rs:256:21
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn to_sample<S>(self) -> S
[INFO] [stdout]     |        --------- required by a bound in this associated function
[INFO] [stdout] 256 |         where Self: ToSample<S>,
[INFO] [stdout]     |                     ^^^^^^^^^^^ required by this bound in `Sample::to_sample`
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 57  |         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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sample` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "902994ec6a897f0239174752f966d8c7dd782e81de853a13786ad0dbca16508c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902994ec6a897f0239174752f966d8c7dd782e81de853a13786ad0dbca16508c", kill_on_drop: false }`
[INFO] [stdout] 902994ec6a897f0239174752f966d8c7dd782e81de853a13786ad0dbca16508c
