[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] b556d404df3ab4f942e33b76678e611bc01ca977
[INFO] checking uwmisl/purpledrop-software against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwmisl%2Fpurpledrop-software" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uwmisl/purpledrop-software on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/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-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a64bf86f335c082b5a75170d7dcf0d8d037f0c26f3ca25a6db59936e4ddc458
[INFO] running `Command { std: "docker" "start" "-a" "2a64bf86f335c082b5a75170d7dcf0d8d037f0c26f3ca25a6db59936e4ddc458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a64bf86f335c082b5a75170d7dcf0d8d037f0c26f3ca25a6db59936e4ddc458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a64bf86f335c082b5a75170d7dcf0d8d037f0c26f3ca25a6db59936e4ddc458", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 429ece2f6683c6de707930cc3bb1b432d954e7259c708534f159738ec7017eab
[INFO] running `Command { std: "docker" "start" "-a" "429ece2f6683c6de707930cc3bb1b432d954e7259c708534f159738ec7017eab", kill_on_drop: false }`
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[INFO] [stderr]    Compiling prost v0.5.0
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[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling purpledrop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.6
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[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]     Checking jsonrpc-server-utils v14.0.3
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[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[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[E0425]: cannot find function `channel` in this scope
[INFO] [stdout]   --> src/eventbroker.rs:65:27
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let (cin, cout) = channel::<EventMessage>();
[INFO] [stdout]    |                           ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use crate::websocket::channel;
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use futures::stream::channel;
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use futures::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use futures::sync::oneshot::channel;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[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] 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: 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: could not compile `purpledrop` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "429ece2f6683c6de707930cc3bb1b432d954e7259c708534f159738ec7017eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429ece2f6683c6de707930cc3bb1b432d954e7259c708534f159738ec7017eab", kill_on_drop: false }`
[INFO] [stdout] 429ece2f6683c6de707930cc3bb1b432d954e7259c708534f159738ec7017eab