[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] checking uwmisl/purpledrop-software against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwmisl%2Fpurpledrop-software" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uwmisl/purpledrop-software on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/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-9/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded signal-hook v0.1.12
[INFO] [stderr]   Downloaded http v0.1.20
[INFO] [stderr]   Downloaded hyper-staticfile v0.3.1
[INFO] [stderr]   Downloaded reqwest v0.10.0
[INFO] [stderr]   Downloaded hyper-tls v0.4.0
[INFO] [stderr]   Downloaded hyper v0.13.1
[INFO] [stderr]   Downloaded serde_json v1.0.42
[INFO] [stderr]   Downloaded jsonrpc-http-server v14.0.3
[INFO] [stderr]   Downloaded jsonrpc-derive v14.0.3
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded prost v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.6
[INFO] [stderr]   Downloaded ws v0.9.1
[INFO] [stderr]   Downloaded jsonrpc-server-utils v14.0.3
[INFO] [stderr]   Downloaded jsonrpc-core v14.0.3
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 498afee80e9d9c99c10c3f4b8edb1f96fcc3ae22c85871a9aafb8c04451bf19d
[INFO] running `Command { std: "docker" "start" "-a" "498afee80e9d9c99c10c3f4b8edb1f96fcc3ae22c85871a9aafb8c04451bf19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "498afee80e9d9c99c10c3f4b8edb1f96fcc3ae22c85871a9aafb8c04451bf19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498afee80e9d9c99c10c3f4b8edb1f96fcc3ae22c85871a9aafb8c04451bf19d", kill_on_drop: false }`
[INFO] [stdout] 498afee80e9d9c99c10c3f4b8edb1f96fcc3ae22c85871a9aafb8c04451bf19d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfaaa4f9617314a9833470060f3aa6fdb3cf4663b7b0e11b63af6fc6164fe8ff
[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" "bfaaa4f9617314a9833470060f3aa6fdb3cf4663b7b0e11b63af6fc6164fe8ff", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
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[INFO] [stderr]    Compiling multimap v0.4.0
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[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking block-padding v0.1.5
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[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking idna v0.2.0
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[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling quote v1.0.2
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[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.20
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[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]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking hyper-staticfile v0.3.1
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling prost-types v0.5.0
[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]    Compiling purpledrop v0.1.0 (/opt/rustwide/workdir)
[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]     Checking jsonrpc-server-utils v14.0.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]     Checking jsonrpc-http-server v14.0.3
[INFO] [stderr]    Compiling jsonrpc-derive v14.0.3
[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[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::purpledrop_rpc::rpc_impl_Rpc::gen_server::_futures::stream::channel;
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use crate::purpledrop_rpc::rpc_impl_Rpc::gen_server::_futures::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use crate::purpledrop_rpc::rpc_impl_Rpc::gen_server::_futures::sync::oneshot::channel;
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use crate::purpledrop_rpc::rpc_impl_Rpc::gen_server::_futures::unsync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout]      and 8 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] 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`.
[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] [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" "bfaaa4f9617314a9833470060f3aa6fdb3cf4663b7b0e11b63af6fc6164fe8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfaaa4f9617314a9833470060f3aa6fdb3cf4663b7b0e11b63af6fc6164fe8ff", kill_on_drop: false }`
[INFO] [stdout] bfaaa4f9617314a9833470060f3aa6fdb3cf4663b7b0e11b63af6fc6164fe8ff
