[INFO] cloning repository https://github.com/elbaro/perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elbaro/perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Fperceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Fperceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e07791c29e368b18d8b4f2be7140692c7624f5b
[INFO] documenting elbaro/perceptron against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Fperceptron" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elbaro/perceptron on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elbaro/perceptron
[INFO] finished tweaking git repo https://github.com/elbaro/perceptron
[INFO] tweaked toml for git repo https://github.com/elbaro/perceptron written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/elbaro/perceptron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2418fcfdfa22102d6a393ae86228aae31ed7dcb75b722dfc2efa96bc361d371
[INFO] running `Command { std: "docker" "start" "-a" "a2418fcfdfa22102d6a393ae86228aae31ed7dcb75b722dfc2efa96bc361d371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2418fcfdfa22102d6a393ae86228aae31ed7dcb75b722dfc2efa96bc361d371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2418fcfdfa22102d6a393ae86228aae31ed7dcb75b722dfc2efa96bc361d371", kill_on_drop: false }`
[INFO] [stdout] a2418fcfdfa22102d6a393ae86228aae31ed7dcb75b722dfc2efa96bc361d371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5c9f677cb1fe6809ede8e00fbbb9e16c89b79bab3e21d52a9549e50c5224e44
[INFO] running `Command { std: "docker" "start" "-a" "d5c9f677cb1fe6809ede8e00fbbb9e16c89b79bab3e21d52a9549e50c5224e44", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking sample v0.9.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking phf_shared v0.7.23
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking rosc v0.1.5
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking phf v0.7.23
[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] [stderr]     Checking lock_api v0.1.4
[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]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[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" "d5c9f677cb1fe6809ede8e00fbbb9e16c89b79bab3e21d52a9549e50c5224e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c9f677cb1fe6809ede8e00fbbb9e16c89b79bab3e21d52a9549e50c5224e44", kill_on_drop: false }`
[INFO] [stdout] d5c9f677cb1fe6809ede8e00fbbb9e16c89b79bab3e21d52a9549e50c5224e44
