[INFO] fetching crate intiface-cli 18.0.0...
[INFO] checking intiface-cli-18.0.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate intiface-cli 18.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate intiface-cli 18.0.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate intiface-cli 18.0.0
[INFO] finished tweaking crates.io crate intiface-cli 18.0.0
[INFO] tweaked toml for crates.io crate intiface-cli 18.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate intiface-cli 18.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded num-rational v0.3.0
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.0
[INFO] [stderr]   Downloaded core-graphics v0.22.1
[INFO] [stderr]   Downloaded malloc_buf v0.0.6
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.25
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded jsonway v2.0.0
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded async-io v1.1.6
[INFO] [stderr]   Downloaded miniz_oxide v0.4.2
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded async-std v1.7.0
[INFO] [stderr]   Downloaded sha-1 v0.9.1
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded cocoa v0.24.0
[INFO] [stderr]   Downloaded hidapi v1.2.3
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.15
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] [stderr]   Downloaded pin-project v1.0.1
[INFO] [stderr]   Downloaded displaydoc v0.1.7
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded broadcaster v1.0.0
[INFO] [stderr]   Downloaded nb-connect v1.0.1
[INFO] [stderr]   Downloaded core-graphics-types v0.1.1
[INFO] [stderr]   Downloaded paste v1.0.3
[INFO] [stderr]   Downloaded argh_derive v0.1.4
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.68
[INFO] [stderr]   Downloaded futures-lite v1.8.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[INFO] [stderr]   Downloaded winrt v0.6.0
[INFO] [stderr]   Downloaded pem v0.8.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.18
[INFO] [stderr]   Downloaded block v0.1.6
[INFO] [stderr]   Downloaded argh_shared v0.1.4
[INFO] [stderr]   Downloaded num-complex v0.3.0
[INFO] [stderr]   Downloaded objc v0.2.7
[INFO] [stderr]   Downloaded rusty-xinput v1.2.0
[INFO] [stderr]   Downloaded argh v0.1.4
[INFO] [stderr]   Downloaded num v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.68
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded async-tls v0.10.0
[INFO] [stderr]   Downloaded async-tungstenite v0.10.0
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.68
[INFO] [stderr]   Downloaded buttplug_derive v0.5.0
[INFO] [stderr]   Downloaded buttplug v0.11.1
[INFO] [stderr]   Downloaded tracing-fmt v0.1.1
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.68
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded rcgen v0.8.5
[INFO] [stderr]   Downloaded pin-project-lite v0.1.10
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] [stderr]   Downloaded dashmap v4.0.0-rc6
[INFO] [stderr]   Downloaded vergen v3.1.0
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded tinyvec v0.3.4
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded sharded-slab v0.1.0
[INFO] [stderr]   Downloaded web-sys v0.3.45
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded btleplug v0.5.4
[INFO] [stderr]   Downloaded fastrand v1.3.5
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded tracing-subscriber v0.1.6
[INFO] [stderr]   Downloaded valico v3.4.0
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] [stderr]   Downloaded pin-project v0.4.25
[INFO] [stderr]   Downloaded yasna v0.3.2
[INFO] [stderr]   Downloaded siphasher v0.3.3
[INFO] [stderr]   Downloaded pin-project-internal v1.0.1
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded polling v1.1.0
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded backtrace v0.3.51
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded strum v0.20.0
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8670b43b458ffc774cb2210c92381ae5a9b626521f49892910ec005a0df78a8a
[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" "8670b43b458ffc774cb2210c92381ae5a9b626521f49892910ec005a0df78a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8670b43b458ffc774cb2210c92381ae5a9b626521f49892910ec005a0df78a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8670b43b458ffc774cb2210c92381ae5a9b626521f49892910ec005a0df78a8a", kill_on_drop: false }`
[INFO] [stdout] 8670b43b458ffc774cb2210c92381ae5a9b626521f49892910ec005a0df78a8a
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 743f7d14f5da2f95b01fd6a6a1bf6dbe1f07a84807954ec29300925ba02fa9ff
[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" "743f7d14f5da2f95b01fd6a6a1bf6dbe1f07a84807954ec29300925ba02fa9ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.25
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking dashmap v4.0.0-rc6
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nb-connect v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking futures-lite v1.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling hidapi v1.2.3
[INFO] [stderr]     Checking winrt v0.6.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking async-io v1.1.6
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]     Checking tracing-fmt v0.1.1
[INFO] [stderr]    Compiling vergen v3.1.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling valico v3.4.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rcgen v0.8.5
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking async-tls v0.10.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling buttplug_derive v0.5.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking pin-project v0.4.25
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling intiface-cli v18.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking async-tungstenite v0.10.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking btleplug v0.5.4
[INFO] [stderr]     Checking jsonway v2.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking buttplug v0.11.1
[INFO] [stdout] warning: unused variable: `out_msg`
[INFO] [stdout]   --> src/frontend.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |               let out_msg = ServerProcessMessage::decode_length_delimited(&stdin_buf[0..size]);
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/frontend.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Err(err) => break,
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incoming_sender`
[INFO] [stdout]   --> src/frontend.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |   let (incoming_sender, incoming_receiver) = bounded::<ServerControlMessage>(256);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_msg`
[INFO] [stdout]   --> src/frontend.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |               let out_msg = ServerProcessMessage::decode_length_delimited(&stdin_buf[0..size]);
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/frontend.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Err(err) => break,
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incoming_sender`
[INFO] [stdout]   --> src/frontend.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |   let (incoming_sender, incoming_receiver) = bounded::<ServerControlMessage>(256);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incoming_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/frontend.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     self.sender.send(server_msg).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/frontend.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     self.sender.send(server_msg).await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 12s
[INFO] running `Command { std: "docker" "inspect" "743f7d14f5da2f95b01fd6a6a1bf6dbe1f07a84807954ec29300925ba02fa9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "743f7d14f5da2f95b01fd6a6a1bf6dbe1f07a84807954ec29300925ba02fa9ff", kill_on_drop: false }`
[INFO] [stdout] 743f7d14f5da2f95b01fd6a6a1bf6dbe1f07a84807954ec29300925ba02fa9ff