[INFO] cloning repository https://github.com/Brendonovich/macrograph-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Brendonovich/macrograph-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendonovich%2Fmacrograph-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendonovich%2Fmacrograph-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f080ab82f0d36bb2777348c298df1930cdf87bf
[INFO] testing Brendonovich/macrograph-rs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendonovich%2Fmacrograph-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Brendonovich/macrograph-rs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Brendonovich/macrograph-rs
[INFO] finished tweaking git repo https://github.com/Brendonovich/macrograph-rs
[INFO] tweaked toml for git repo https://github.com/Brendonovich/macrograph-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Brendonovich/macrograph-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rdev v0.5.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7eb63f2ebc7db9a0853e5e1f47650f4e94c0c0c8a0d687eb0b6ef6b3db2f26c
[INFO] running `Command { std: "docker" "start" "-a" "f7eb63f2ebc7db9a0853e5e1f47650f4e94c0c0c8a0d687eb0b6ef6b3db2f26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7eb63f2ebc7db9a0853e5e1f47650f4e94c0c0c8a0d687eb0b6ef6b3db2f26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7eb63f2ebc7db9a0853e5e1f47650f4e94c0c0c8a0d687eb0b6ef6b3db2f26c", kill_on_drop: false }`
[INFO] [stdout] f7eb63f2ebc7db9a0853e5e1f47650f4e94c0c0c8a0d687eb0b6ef6b3db2f26c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 878cc69fe1c23e09c65ab2233ae42d74502052f84f6db01f35aa5f606027eae3
[INFO] running `Command { std: "docker" "start" "-a" "878cc69fe1c23e09c65ab2233ae42d74502052f84f6db01f35aa5f606027eae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rdev v0.5.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling midir v0.7.0
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling macrograph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PinValue`
[INFO] [stdout]  --> src/core.rs:2:54
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io::{Connection as GraphConnection, EXEC, PinValue};
[INFO] [stdout]   |                                                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/engine.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/engine.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashMap, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/core.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn create_graph(&mut self, name: &str) -> GraphHandle {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/packages/midi/mod.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |         |node| {
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> src/packages/midi/engine.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     async fn start(&mut self, sender: Sender<EventData>) {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_mapping`
[INFO] [stdout]   --> src/engine.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) fn add_mapping(&mut self, event_name: &str, node_handle: (GraphHandle, NodeHandle)) {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handle`
[INFO] [stdout]   --> src/graph.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     handle: GraphHandle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disconnect`
[INFO] [stdout]   --> src/graph.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |     async fn disconnect(&self, connection: Connection) -> Result<(), ()> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/io.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input`
[INFO] [stdout]   --> src/packages/midi/engine.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     input: MidiInput,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/packages/midi/engine.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     output: MidiOutput,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `input_ports`
[INFO] [stdout]   --> src/packages/midi/engine.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn input_ports(&self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `event_type`
[INFO] [stdout]    --> src/schema.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub(crate) event_type: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.61s
[INFO] running `Command { std: "docker" "inspect" "878cc69fe1c23e09c65ab2233ae42d74502052f84f6db01f35aa5f606027eae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878cc69fe1c23e09c65ab2233ae42d74502052f84f6db01f35aa5f606027eae3", kill_on_drop: false }`
[INFO] [stdout] 878cc69fe1c23e09c65ab2233ae42d74502052f84f6db01f35aa5f606027eae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e959d0e1ff0603382c68726ebf9de40b52d3157c3f574798d0f9d655d56cb584
[INFO] running `Command { std: "docker" "start" "-a" "e959d0e1ff0603382c68726ebf9de40b52d3157c3f574798d0f9d655d56cb584", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `PinValue`
[INFO] [stdout]  --> src/core.rs:2:54
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io::{Connection as GraphConnection, EXEC, PinValue};
[INFO] [stdout]   |                                                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling macrograph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/engine.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/engine.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashMap, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/core.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn create_graph(&mut self, name: &str) -> GraphHandle {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/packages/midi/mod.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |         |node| {
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> src/packages/midi/engine.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     async fn start(&mut self, sender: Sender<EventData>) {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_mapping`
[INFO] [stdout]   --> src/engine.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) fn add_mapping(&mut self, event_name: &str, node_handle: (GraphHandle, NodeHandle)) {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handle`
[INFO] [stdout]   --> src/graph.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     handle: GraphHandle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disconnect`
[INFO] [stdout]   --> src/graph.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |     async fn disconnect(&self, connection: Connection) -> Result<(), ()> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/io.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input`
[INFO] [stdout]   --> src/packages/midi/engine.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     input: MidiInput,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/packages/midi/engine.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     output: MidiOutput,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `input_ports`
[INFO] [stdout]   --> src/packages/midi/engine.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn input_ports(&self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `event_type`
[INFO] [stdout]    --> src/schema.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub(crate) event_type: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PinValue`
[INFO] [stdout]  --> src/core.rs:2:54
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io::{Connection as GraphConnection, EXEC, PinValue};
[INFO] [stdout]   |                                                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/engine.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/engine.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashMap, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/core.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn create_graph(&mut self, name: &str) -> GraphHandle {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/packages/midi/mod.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |         |node| {
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> src/packages/midi/engine.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     async fn start(&mut self, sender: Sender<EventData>) {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_mapping`
[INFO] [stdout]   --> src/engine.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) fn add_mapping(&mut self, event_name: &str, node_handle: (GraphHandle, NodeHandle)) {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handle`
[INFO] [stdout]   --> src/graph.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     handle: GraphHandle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disconnect`
[INFO] [stdout]   --> src/graph.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |     async fn disconnect(&self, connection: Connection) -> Result<(), ()> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/io.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input`
[INFO] [stdout]   --> src/packages/midi/engine.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     input: MidiInput,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/packages/midi/engine.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     output: MidiOutput,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `input_ports`
[INFO] [stdout]   --> src/packages/midi/engine.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn input_ports(&self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `event_type`
[INFO] [stdout]    --> src/schema.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub(crate) event_type: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "e959d0e1ff0603382c68726ebf9de40b52d3157c3f574798d0f9d655d56cb584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e959d0e1ff0603382c68726ebf9de40b52d3157c3f574798d0f9d655d56cb584", kill_on_drop: false }`
[INFO] [stdout] e959d0e1ff0603382c68726ebf9de40b52d3157c3f574798d0f9d655d56cb584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59027fef69072874816e8b0b2c40eb0bcdf9964502b580979b74b6d08c799e21
[INFO] running `Command { std: "docker" "start" "-a" "59027fef69072874816e8b0b2c40eb0bcdf9964502b580979b74b6d08c799e21", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `PinValue`
[INFO] [stderr]  --> src/core.rs:2:54
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::io::{Connection as GraphConnection, EXEC, PinValue};
[INFO] [stderr]   |                                                      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::Value`
[INFO] [stderr]  --> src/engine.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde_json::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VecDeque`
[INFO] [stderr]  --> src/engine.rs:5:33
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::{HashMap, VecDeque};
[INFO] [stderr]   |                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/core.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn create_graph(&mut self, name: &str) -> GraphHandle {
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/packages/midi/mod.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 |         |node| {
[INFO] [stderr]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sender`
[INFO] [stderr]   --> src/packages/midi/engine.rs:47:31
[INFO] [stderr]    |
[INFO] [stderr] 47 |     async fn start(&mut self, sender: Sender<EventData>) {}
[INFO] [stderr]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_mapping`
[INFO] [stderr]   --> src/engine.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub(crate) fn add_mapping(&mut self, event_name: &str, node_handle: (GraphHandle, NodeHandle)) {
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `handle`
[INFO] [stderr]   --> src/graph.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     handle: GraphHandle,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `disconnect`
[INFO] [stderr]   --> src/graph.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |     async fn disconnect(&self, connection: Connection) -> Result<(), ()> {
[INFO] [stderr]    |              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/io.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input`
[INFO] [stderr]   --> src/packages/midi/engine.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     input: MidiInput,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `output`
[INFO] [stderr]   --> src/packages/midi/engine.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     output: MidiOutput,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `input_ports`
[INFO] [stderr]   --> src/packages/midi/engine.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn input_ports(&self) -> Vec<String> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `event_type`
[INFO] [stderr]    --> src/schema.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub(crate) event_type: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `macrograph` (lib) generated 14 warnings
[INFO] [stderr] warning: `macrograph` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/macrograph-e1d3504a9385d1db)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/macrograph-caa5e58c24d8527f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests macrograph
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59027fef69072874816e8b0b2c40eb0bcdf9964502b580979b74b6d08c799e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59027fef69072874816e8b0b2c40eb0bcdf9964502b580979b74b6d08c799e21", kill_on_drop: false }`
[INFO] [stdout] 59027fef69072874816e8b0b2c40eb0bcdf9964502b580979b74b6d08c799e21