[INFO] updating cached repository kandiyohi/rust-launchkey [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/kandiyohi/rust-launchkey [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/kandiyohi/rust-launchkey" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/kandiyohi/rust-launchkey"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/kandiyohi/rust-launchkey'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kandiyohi/rust-launchkey" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/kandiyohi/rust-launchkey"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/kandiyohi/rust-launchkey'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4c8a7dc078643820ade1f8d3f979b489ac0b1779 [INFO] sha for GitHub repo kandiyohi/rust-launchkey: 4c8a7dc078643820ade1f8d3f979b489ac0b1779 [INFO] validating manifest of kandiyohi/rust-launchkey on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kandiyohi/rust-launchkey on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing kandiyohi/rust-launchkey [INFO] finished frobbing kandiyohi/rust-launchkey [INFO] frobbed toml for kandiyohi/rust-launchkey written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/kandiyohi/rust-launchkey/Cargo.toml [INFO] started frobbing kandiyohi/rust-launchkey [INFO] finished frobbing kandiyohi/rust-launchkey [INFO] frobbed toml for kandiyohi/rust-launchkey written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/kandiyohi/rust-launchkey/Cargo.toml [INFO] crate kandiyohi/rust-launchkey already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking kandiyohi/rust-launchkey against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/kandiyohi/rust-launchkey:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 30aae3e4f67e0f63e537eda7c7c56e1aea8945b50f8661e3e5bdcfb0cdbb8d0e [INFO] running `"docker" "start" "-a" "30aae3e4f67e0f63e537eda7c7c56e1aea8945b50f8661e3e5bdcfb0cdbb8d0e"` [INFO] [stderr] Checking jack-sys v0.1.5 [INFO] [stderr] Checking jack v0.5.6 [INFO] [stderr] Checking midi_stuff v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::Receiver` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::sync::mpsc::Receiver; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | / macro_rules! midi { [INFO] [stderr] 24 | | ( $( $x:expr ),* ) => { [INFO] [stderr] 25 | | { [INFO] [stderr] 26 | | let mut temp_vec = Vec::new(); [INFO] [stderr] ... | [INFO] [stderr] 35 | | }; [INFO] [stderr] 36 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `god` [INFO] [stderr] --> src/main.rs:211:10 [INFO] [stderr] | [INFO] [stderr] 211 | fn init (god: &mut Handler) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_god` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rx` [INFO] [stderr] --> src/main.rs:362:13 [INFO] [stderr] | [INFO] [stderr] 362 | let (tx,rx) = channel::<&str>(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `client` [INFO] [stderr] --> src/main.rs:366:9 [INFO] [stderr] | [INFO] [stderr] 366 | let client = AsyncClient::new(client, nhandler, handler); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_client` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:374:20 [INFO] [stderr] | [INFO] [stderr] 374 | if let Err(e) = r { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `client` [INFO] [stderr] --> src/main.rs:236:27 [INFO] [stderr] | [INFO] [stderr] 236 | fn process(&mut self, client: &Client, scope: &ProcessScope) -> JackControl { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_client` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `MidiMessage` [INFO] [stderr] --> src/main.rs:38:1 [INFO] [stderr] | [INFO] [stderr] 38 | struct MidiMessage { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_bytes` [INFO] [stderr] --> src/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | fn from_bytes(status: u8, data_1: u8, data_2: u8) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_description` [INFO] [stderr] --> src/main.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | fn from_description(status: String, channel: u8, data_1: u8, data_2: u8) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `in_port` [INFO] [stderr] --> src/main.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | in_port: &'a mut Port, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `send_null` [INFO] [stderr] --> src/main.rs:177:5 [INFO] [stderr] | [INFO] [stderr] 177 | send_null: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `need_init` [INFO] [stderr] --> src/main.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | need_init: Mutex>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `init` [INFO] [stderr] --> src/main.rs:211:1 [INFO] [stderr] | [INFO] [stderr] 211 | fn init (god: &mut Handler) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `IN_CONTROL_ON` [INFO] [stderr] --> src/main.rs:214:1 [INFO] [stderr] | [INFO] [stderr] 214 | / const IN_CONTROL_ON: RawMidi = RawMidi { [INFO] [stderr] 215 | | time: 0, [INFO] [stderr] 216 | | bytes: &[143,15,127], [INFO] [stderr] 217 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::Receiver` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::sync::mpsc::Receiver; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | / macro_rules! midi { [INFO] [stderr] 24 | | ( $( $x:expr ),* ) => { [INFO] [stderr] 25 | | { [INFO] [stderr] 26 | | let mut temp_vec = Vec::new(); [INFO] [stderr] ... | [INFO] [stderr] 35 | | }; [INFO] [stderr] 36 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:241:13 [INFO] [stderr] | [INFO] [stderr] 241 | messenger.send("Coloring LEDs"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `god` [INFO] [stderr] --> src/main.rs:211:10 [INFO] [stderr] | [INFO] [stderr] 211 | fn init (god: &mut Handler) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_god` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rx` [INFO] [stderr] --> src/main.rs:362:13 [INFO] [stderr] | [INFO] [stderr] 362 | let (tx,rx) = channel::<&str>(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `client` [INFO] [stderr] --> src/main.rs:366:9 [INFO] [stderr] | [INFO] [stderr] 366 | let client = AsyncClient::new(client, nhandler, handler); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_client` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:374:20 [INFO] [stderr] | [INFO] [stderr] 374 | if let Err(e) = r { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `client` [INFO] [stderr] --> src/main.rs:236:27 [INFO] [stderr] | [INFO] [stderr] 236 | fn process(&mut self, client: &Client, scope: &ProcessScope) -> JackControl { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_client` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `MidiMessage` [INFO] [stderr] --> src/main.rs:38:1 [INFO] [stderr] | [INFO] [stderr] 38 | struct MidiMessage { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_bytes` [INFO] [stderr] --> src/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | fn from_bytes(status: u8, data_1: u8, data_2: u8) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_description` [INFO] [stderr] --> src/main.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | fn from_description(status: String, channel: u8, data_1: u8, data_2: u8) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `in_port` [INFO] [stderr] --> src/main.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | in_port: &'a mut Port, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `send_null` [INFO] [stderr] --> src/main.rs:177:5 [INFO] [stderr] | [INFO] [stderr] 177 | send_null: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `need_init` [INFO] [stderr] --> src/main.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | need_init: Mutex>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `init` [INFO] [stderr] --> src/main.rs:211:1 [INFO] [stderr] | [INFO] [stderr] 211 | fn init (god: &mut Handler) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `IN_CONTROL_ON` [INFO] [stderr] --> src/main.rs:214:1 [INFO] [stderr] | [INFO] [stderr] 214 | / const IN_CONTROL_ON: RawMidi = RawMidi { [INFO] [stderr] 215 | | time: 0, [INFO] [stderr] 216 | | bytes: &[143,15,127], [INFO] [stderr] 217 | | }; [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:241:13 [INFO] [stderr] | [INFO] [stderr] 241 | messenger.send("Coloring LEDs"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.48s [INFO] running `"docker" "inspect" "30aae3e4f67e0f63e537eda7c7c56e1aea8945b50f8661e3e5bdcfb0cdbb8d0e"` [INFO] running `"docker" "rm" "-f" "30aae3e4f67e0f63e537eda7c7c56e1aea8945b50f8661e3e5bdcfb0cdbb8d0e"` [INFO] [stdout] 30aae3e4f67e0f63e537eda7c7c56e1aea8945b50f8661e3e5bdcfb0cdbb8d0e