[INFO] updating cached repository https://github.com/Windfisch/loopfisch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99cb86b7230840331fc4e5c3bbf146a690ac26d5
[INFO] testing Windfisch/loopfisch against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Floopfisch" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Windfisch/loopfisch on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-6/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8e9e9e6e4353fcef70ca164b5cb4a063aaa124830568572d542b26877b87439
[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" "c8e9e9e6e4353fcef70ca164b5cb4a063aaa124830568572d542b26877b87439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8e9e9e6e4353fcef70ca164b5cb4a063aaa124830568572d542b26877b87439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e9e9e6e4353fcef70ca164b5cb4a063aaa124830568572d542b26877b87439", kill_on_drop: false }`
[INFO] [stdout] c8e9e9e6e4353fcef70ca164b5cb4a063aaa124830568572d542b26877b87439
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11552637977e3e5f6b121e832bcaa8101946be0d91c80ef52cb9f3bf039f76c9
[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" "11552637977e3e5f6b121e832bcaa8101946be0d91c80ef52cb9f3bf039f76c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling ringbuf v0.2.1
[INFO] [stderr]    Compiling assert_no_alloc v0.1.0 (https://github.com/Windfisch/rust-assert-no-alloc#3aadd93f)
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling intrusive-collections v0.9.0
[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 jack v0.6.2 (https://github.com/Windfisch/rust-jack#d77752bf)
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling mio v0.6.22
[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" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.loopfisch.8d5v024a-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581" "/opt/rustwide/target/debug/deps/loopfisch-2f70dd46bed06581.2ccfmtc91hubej6t.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcrossterm-49e58f6c2ebe85b1.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook-a7afcc43183db99d.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook_registry-800ba8c4574cd9db.rlib" "/opt/rustwide/target/debug/deps/libarc_swap-a047a18849ae6386.rlib" "/opt/rustwide/target/debug/deps/libmio-494cfabe2d54c95a.rlib" "/opt/rustwide/target/debug/deps/liblog-da2d6b139ded8350.rlib" "/opt/rustwide/target/debug/deps/libslab-f053b532a5ee7f39.rlib" "/opt/rustwide/target/debug/deps/libiovec-ecb7991cf37f4963.rlib" "/opt/rustwide/target/debug/deps/libnet2-1f9bb1358cf5e0bf.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-dc58f54d36c0f6ac.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-9ce64031c3646dbf.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-ac18f0be8c54b3e6.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ab1bd98be96b57b3.rlib" "/opt/rustwide/target/debug/deps/liblock_api-7a01464ef903cce4.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-c8e12dbcd597c2e4.rlib" "/opt/rustwide/target/debug/deps/libringbuf-c37f2951953f7002.rlib" "/opt/rustwide/target/debug/deps/libjack-4d09aec8abc6222c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-02fffe573fe5be1a.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-c3efa59a1def1cba.rlib" "/opt/rustwide/target/debug/deps/liblibloading-0503ebb889a1491c.rlib" "/opt/rustwide/target/debug/deps/liblibc-4f80335c1c505af7.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-660ab907323d6aba.rlib" "/opt/rustwide/target/debug/deps/libassert_no_alloc-9baf27c3f013ced2.rlib" "/opt/rustwide/target/debug/deps/libintrusive_collections-a2c9d9b60a7f9a55.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-fb33802053f5559f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-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" "11552637977e3e5f6b121e832bcaa8101946be0d91c80ef52cb9f3bf039f76c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11552637977e3e5f6b121e832bcaa8101946be0d91c80ef52cb9f3bf039f76c9", kill_on_drop: false }`
[INFO] [stdout] 11552637977e3e5f6b121e832bcaa8101946be0d91c80ef52cb9f3bf039f76c9