[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/beta-1.38-1/sources/1.37.0/gh/kandiyohi/rust-launchkey"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kandiyohi/rust-launchkey'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kandiyohi/rust-launchkey" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kandiyohi/rust-launchkey"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kandiyohi/rust-launchkey on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing kandiyohi/rust-launchkey against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 53196b1cfe98b6fd4c52f0b448c7b0f311d80895726677615febbb908e71b9ca [INFO] running `"docker" "start" "-a" "53196b1cfe98b6fd4c52f0b448c7b0f311d80895726677615febbb908e71b9ca"` [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling jack-sys v0.1.5 [INFO] [stderr] Compiling jack v0.5.6 [INFO] [stderr] Compiling 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 `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] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.midi_stuff.1zdu45m4-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962" "/opt/crater/target/debug/deps/midi_stuff-908d8ee2b729e962.35kapdqqashavcfa.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libjack-b08a88025e6dfd3c.rlib" "/opt/crater/target/debug/deps/libjack_sys-baf958185d7778bc.rlib" "/opt/crater/target/debug/deps/liblibloading-59bf0a83e7822d15.rlib" "/opt/crater/target/debug/deps/liblazy_static-477b2fb8337c6397.rlib" "/opt/crater/target/debug/deps/liblazy_static-8e8f275d3efea5b8.rlib" "/opt/crater/target/debug/deps/liblibc-8c466a3b35ae71be.rlib" "/opt/crater/target/debug/deps/libbitflags-b03ee8d07369378c.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -ljack [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `midi_stuff`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "53196b1cfe98b6fd4c52f0b448c7b0f311d80895726677615febbb908e71b9ca"` [INFO] running `"docker" "rm" "-f" "53196b1cfe98b6fd4c52f0b448c7b0f311d80895726677615febbb908e71b9ca"` [INFO] [stdout] 53196b1cfe98b6fd4c52f0b448c7b0f311d80895726677615febbb908e71b9ca