[INFO] fetching crate deepspeech 0.8.0...
[INFO] checking deepspeech-0.8.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate deepspeech 0.8.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate deepspeech 0.8.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deepspeech 0.8.0
[INFO] finished tweaking crates.io crate deepspeech 0.8.0
[INFO] tweaked toml for crates.io crate deepspeech 0.8.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate deepspeech 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ogg v0.5.1
[INFO] [stderr]   Downloaded alac v0.3.3
[INFO] [stderr]   Downloaded lewton v0.7.0
[INFO] [stderr]   Downloaded deepspeech-sys v0.8.0
[INFO] [stderr]   Downloaded audrey v0.2.0
[INFO] [stderr]   Downloaded sample v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f36434f52ff76b3b2395031326f0a8e0b18cdd4c96d5419e90ac85b5f9772081
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f36434f52ff76b3b2395031326f0a8e0b18cdd4c96d5419e90ac85b5f9772081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f36434f52ff76b3b2395031326f0a8e0b18cdd4c96d5419e90ac85b5f9772081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36434f52ff76b3b2395031326f0a8e0b18cdd4c96d5419e90ac85b5f9772081", kill_on_drop: false }`
[INFO] [stdout] f36434f52ff76b3b2395031326f0a8e0b18cdd4c96d5419e90ac85b5f9772081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c91c7210061454e6089973eca38ec63763989c8caac0ab0c501e2c9c1f6a596
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c91c7210061454e6089973eca38ec63763989c8caac0ab0c501e2c9c1f6a596", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling deepspeech-sys v0.8.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking alac v0.3.3
[INFO] [stderr]     Checking sample v0.9.1
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking deepspeech v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ogg v0.5.1
[INFO] [stderr]     Checking caf v0.1.0
[INFO] [stderr]     Checking lewton v0.7.0
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c91c7210061454e6089973eca38ec63763989c8caac0ab0c501e2c9c1f6a596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c91c7210061454e6089973eca38ec63763989c8caac0ab0c501e2c9c1f6a596", kill_on_drop: false }`
[INFO] [stdout] 3c91c7210061454e6089973eca38ec63763989c8caac0ab0c501e2c9c1f6a596