[INFO] cloning repository https://github.com/Windfisch/loopfisch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Windfisch/loopfisch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Floopfisch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Floopfisch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99cb86b7230840331fc4e5c3bbf146a690ac26d5
[INFO] testing Windfisch/loopfisch against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Floopfisch" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Windfisch/loopfisch on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Windfisch/loopfisch
[INFO] finished tweaking git repo https://github.com/Windfisch/loopfisch
[INFO] tweaked toml for git repo https://github.com/Windfisch/loopfisch written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Windfisch/loopfisch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Windfisch/rust-assert-no-alloc`
[INFO] [stderr]     Updating git repository `https://github.com/Windfisch/rust-jack`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intrusive-collections v0.9.0
[INFO] [stderr]   Downloaded ringbuf v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46fe0d49c986cd420a963fac915bf6e087eafa254631e72be86c716de2dcb839
[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" "46fe0d49c986cd420a963fac915bf6e087eafa254631e72be86c716de2dcb839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46fe0d49c986cd420a963fac915bf6e087eafa254631e72be86c716de2dcb839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46fe0d49c986cd420a963fac915bf6e087eafa254631e72be86c716de2dcb839", kill_on_drop: false }`
[INFO] [stdout] 46fe0d49c986cd420a963fac915bf6e087eafa254631e72be86c716de2dcb839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c98f0f92bfbb52d7761f42308521f5d17b36e58b6293f9fa5e7bec4d4168e1d3
[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" "c98f0f92bfbb52d7761f42308521f5d17b36e58b6293f9fa5e7bec4d4168e1d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_no_alloc v0.1.0 (https://github.com/Windfisch/rust-assert-no-alloc#3aadd93f)
[INFO] [stderr]    Compiling ringbuf v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling jack-sys v0.2.0 (https://github.com/Windfisch/rust-jack#d77752bf)
[INFO] [stderr]    Compiling intrusive-collections v0.9.0
[INFO] [stderr]    Compiling jack v0.6.2 (https://github.com/Windfisch/rust-jack#d77752bf)
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling crossterm v0.17.5
[INFO] [stderr]    Compiling loopfisch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]    --> src/engine.rs:227:33
[INFO] [stdout]     |
[INFO] [stdout] 227 |     fn process_callback(&mut self, client: &jack::Client, scope: &jack::ProcessScope) -> jack::Control {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetMute`
[INFO] [stdout]   --> src/engine.rs:59:2
[INFO] [stdout]    |
[INFO] [stdout] 59 |     SetMute(u32,bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetMidiMute`
[INFO] [stdout]   --> src/engine.rs:60:2
[INFO] [stdout]    |
[INFO] [stdout] 60 |     SetMidiMute(u32,bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DeleteTake`
[INFO] [stdout]   --> src/engine.rs:61:2
[INFO] [stdout]    |
[INFO] [stdout] 61 |     DeleteTake(u32)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `info`
[INFO] [stdout]   --> src/engine.rs:94:2
[INFO] [stdout]    |
[INFO] [stdout] 94 |     info: MidiDeviceInfo,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `info`
[INFO] [stdout]   --> src/engine.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn info(&self) -> &MidiDeviceInfo { &self.info }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `takes`
[INFO] [stdout]    --> src/engine.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn takes(&self) -> &Vec<GuiMidiTake> { &self.takes }
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mididevices`
[INFO] [stdout]    --> src/engine.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn mididevices(&self) -> &Vec<GuiMidiDevice> { &self.mididevices}
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle_take_muted`
[INFO] [stdout]    --> src/engine.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn toggle_take_muted(&mut self, dev_id: usize, take_id: usize) -> Result<(),()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle_miditake_muted`
[INFO] [stdout]    --> src/engine.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn toggle_miditake_muted(&mut self, dev_id: usize, take_id: usize) -> Result<(),()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `audio_dev`
[INFO] [stdout]   --> src/user_interface.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     audio_dev: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `midi_dev`
[INFO] [stdout]   --> src/user_interface.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     midi_dev: Option<usize>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `device_map`
[INFO] [stdout]   --> src/user_interface.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 29 |     device_map: Vec<DevicePair>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.loopfisch.4mwmrsmx-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147" "/opt/rustwide/target/debug/deps/loopfisch-87b40b6495d9c147.1uzhzye72gu6snag.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcrossterm-a01bb746b46cd382.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook-1b6a82389fefeb81.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook_registry-0a7a3d66a47ff64e.rlib" "/opt/rustwide/target/debug/deps/libarc_swap-8fad81a5baa8ce52.rlib" "/opt/rustwide/target/debug/deps/libmio-dd09602eb09e257d.rlib" "/opt/rustwide/target/debug/deps/liblog-e9c1f4128215cfb7.rlib" "/opt/rustwide/target/debug/deps/libslab-e0e9bebbbea2c5c2.rlib" "/opt/rustwide/target/debug/deps/libiovec-62e949f5a2bf0960.rlib" "/opt/rustwide/target/debug/deps/libnet2-2b611acd64cd4931.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-d8fc3eeb4dffae64.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-9376dae3879c41a6.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-078d7fc8b22ceddf.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib" "/opt/rustwide/target/debug/deps/liblock_api-17912a304b318435.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-f8ee11e5515cbd29.rlib" "/opt/rustwide/target/debug/deps/libringbuf-1ad22af9bb2b6343.rlib" "/opt/rustwide/target/debug/deps/libjack-e94806ad983d4300.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-c7065f45303e4251.rlib" "/opt/rustwide/target/debug/deps/liblibloading-c8393f2897680568.rlib" "/opt/rustwide/target/debug/deps/liblibc-11d35527eaac07af.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib" "/opt/rustwide/target/debug/deps/libassert_no_alloc-1ee53666bff7b134.rlib" "/opt/rustwide/target/debug/deps/libintrusive_collections-5345c17f524b18cf.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-edac3be309753359.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -ljack
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loopfisch`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c98f0f92bfbb52d7761f42308521f5d17b36e58b6293f9fa5e7bec4d4168e1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98f0f92bfbb52d7761f42308521f5d17b36e58b6293f9fa5e7bec4d4168e1d3", kill_on_drop: false }`
[INFO] [stdout] c98f0f92bfbb52d7761f42308521f5d17b36e58b6293f9fa5e7bec4d4168e1d3
