[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#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwmisl%2Fpurpledrop-software" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uwmisl/purpledrop-software on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/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-4/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-server-utils v14.0.3
[INFO] [stderr]   Downloaded jsonrpc-derive v14.0.3
[INFO] [stderr]   Downloaded jsonrpc-core v14.0.3
[INFO] [stderr]   Downloaded jsonrpc-http-server v14.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f66996efd3daedf8680450013217abfa67649ac424e9f4a5ad55f93295752e8
[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" "7f66996efd3daedf8680450013217abfa67649ac424e9f4a5ad55f93295752e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f66996efd3daedf8680450013217abfa67649ac424e9f4a5ad55f93295752e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f66996efd3daedf8680450013217abfa67649ac424e9f4a5ad55f93295752e8", kill_on_drop: false }`
[INFO] [stdout] 7f66996efd3daedf8680450013217abfa67649ac424e9f4a5ad55f93295752e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 552a74b14d9b5be7402e32512065d6a46f8d81fb1cea632f6b32504113a8b7df
[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" "552a74b14d9b5be7402e32512065d6a46f8d81fb1cea632f6b32504113a8b7df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking vec_map v0.8.1
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[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking url v1.7.2
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[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
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[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking atty v0.2.13
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[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 generic-array v0.12.3
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[INFO] [stderr]     Checking bytes v0.4.12
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[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking http-body v0.3.1
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[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[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]    Compiling chrono v0.4.10
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[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]     Checking ws v0.9.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[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]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Checking hyper-staticfile v0.3.1
[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 serde_yaml v0.8.11
[INFO] [stderr]     Checking toml v0.5.5
[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]     Checking jsonrpc-http-server v14.0.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[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] 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[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" "552a74b14d9b5be7402e32512065d6a46f8d81fb1cea632f6b32504113a8b7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552a74b14d9b5be7402e32512065d6a46f8d81fb1cea632f6b32504113a8b7df", kill_on_drop: false }`
[INFO] [stdout] 552a74b14d9b5be7402e32512065d6a46f8d81fb1cea632f6b32504113a8b7df