[INFO] cloning repository https://github.com/uwmisl/purpledrop-software
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uwmisl/purpledrop-software" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwmisl%2Fpurpledrop-software", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwmisl%2Fpurpledrop-software'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6be45ea9f6f46c02f272ce6dc2b852dbb19b28b3
[INFO] documenting uwmisl/purpledrop-software against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwmisl%2Fpurpledrop-software" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uwmisl/purpledrop-software on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/uwmisl/purpledrop-software
[INFO] finished tweaking git repo https://github.com/uwmisl/purpledrop-software
[INFO] tweaked toml for git repo https://github.com/uwmisl/purpledrop-software written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/uwmisl/purpledrop-software already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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 jsonrpc-http-server v14.0.3
[INFO] [stderr]   Downloaded jsonrpc-derive v14.0.3
[INFO] [stderr]   Downloaded jsonrpc-server-utils v14.0.3
[INFO] [stderr]   Downloaded jsonrpc-core v14.0.3
[INFO] [stderr]   Downloaded hyper-staticfile v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d687f3013729ecabc346611a37717a46d4abc44a47bc6155b7b466b4a3f8781d
[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" "d687f3013729ecabc346611a37717a46d4abc44a47bc6155b7b466b4a3f8781d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d687f3013729ecabc346611a37717a46d4abc44a47bc6155b7b466b4a3f8781d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d687f3013729ecabc346611a37717a46d4abc44a47bc6155b7b466b4a3f8781d", kill_on_drop: false }`
[INFO] [stdout] d687f3013729ecabc346611a37717a46d4abc44a47bc6155b7b466b4a3f8781d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 179a4ddc72a73961d70fcd701a82c02f2d11e1ad79ca10666616616ff5df1264
[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" "179a4ddc72a73961d70fcd701a82c02f2d11e1ad79ca10666616616ff5df1264", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking openssl v0.10.26
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.20
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]     Checking hyper-staticfile v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling purpledrop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking jsonrpc-core v14.0.3
[INFO] [stderr]     Checking reqwest v0.10.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling jsonrpc-derive v14.0.3
[INFO] [stderr]     Checking jsonrpc-server-utils v14.0.3
[INFO] [stderr]     Checking jsonrpc-http-server v14.0.3
[INFO] [stderr]  Documenting purpledrop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::error::HardwareError`
[INFO] [stdout]   --> src/devices/hv507.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::error::{Error, HardwareError, Result};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ no `HardwareError` in `error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/purpledrop_rpc.rs:58:49
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn get_board_definition(&self) -> RpcResult<(Board)> {
[INFO] [stdout]    |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::error::HardwareError`
[INFO] [stdout]   --> src/devices/hv507.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::error::{Error, HardwareError, Result};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ no `HardwareError` in `error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `purpledrop`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name purpledrop src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b0e310172ffee45b.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-eb4fa7daa95b1ff9.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-b202fd57e665578d.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f6a782863e1804d0.rmeta --extern hyper_staticfile=/opt/rustwide/target/debug/deps/libhyper_staticfile-3a9de5e938ebf723.rmeta --extern jsonrpc_core=/opt/rustwide/target/debug/deps/libjsonrpc_core-2e6fe3605ad85ef3.rmeta --extern jsonrpc_derive=/opt/rustwide/target/debug/deps/libjsonrpc_derive-085df3a9de9523b6.so --extern jsonrpc_http_server=/opt/rustwide/target/debug/deps/libjsonrpc_http_server-f09d024d71a71004.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-69d9a7f018cb28c7.rmeta --extern prost=/opt/rustwide/target/debug/deps/libprost-9249c126221411f5.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-ceff1a2f07463c04.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0a311e8aa1775197.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-788ef62b26647276.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-53d4c191ce33d499.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-8efa5267438c73f6.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-badd3b24daefd9c9.rmeta --extern ws=/opt/rustwide/target/debug/deps/libws-66aaa2f4b4d0bab9.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "179a4ddc72a73961d70fcd701a82c02f2d11e1ad79ca10666616616ff5df1264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179a4ddc72a73961d70fcd701a82c02f2d11e1ad79ca10666616616ff5df1264", kill_on_drop: false }`
[INFO] [stdout] 179a4ddc72a73961d70fcd701a82c02f2d11e1ad79ca10666616616ff5df1264