[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] fbe388ca7f8768ef4f4a94486728d52257832aac
[INFO] testing Windfisch/loopfisch against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindfisch%2Floopfisch" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Windfisch/loopfisch on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d72ba2022709676ec99b66aceb2ec285df80e1c85608f7b6e8207bdde9e301e
[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" "2d72ba2022709676ec99b66aceb2ec285df80e1c85608f7b6e8207bdde9e301e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d72ba2022709676ec99b66aceb2ec285df80e1c85608f7b6e8207bdde9e301e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d72ba2022709676ec99b66aceb2ec285df80e1c85608f7b6e8207bdde9e301e", kill_on_drop: false }`
[INFO] [stdout] 2d72ba2022709676ec99b66aceb2ec285df80e1c85608f7b6e8207bdde9e301e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ae500d30b2468232874062fc818ab8e122f2786188cadecfa75dffb3775b77
[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" "98ae500d30b2468232874062fc818ab8e122f2786188cadecfa75dffb3775b77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling arc-swap v0.4.7
[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 memoffset v0.5.4
[INFO] [stderr]    Compiling lock_api v0.3.4
[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 import: `smallvec`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use smallvec;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MidiEvent`
[INFO] [stdout]  --> src/jack_driver.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::midi_message::{MidiEvent,MidiMessage};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MidiEvent`
[INFO] [stdout]   --> src/main.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 | use midi_message::{MidiEvent,MidiMessage};
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event`, `KeyEvent`
[INFO] [stdout]    --> src/main.rs:698:26
[INFO] [stdout]     |
[INFO] [stdout] 698 |         use crossterm::event::{Event,KeyModifiers,KeyEvent,KeyCode};
[INFO] [stdout]     |                                ^^^^^              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]    --> src/main.rs:429:33
[INFO] [stdout]     |
[INFO] [stdout] 429 |     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: field is never read: `dev_id`
[INFO] [stdout]   --> src/main.rs:89:2
[INFO] [stdout]    |
[INFO] [stdout] 89 |     dev_id: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mididev_id`
[INFO] [stdout]   --> src/main.rs:95:2
[INFO] [stdout]    |
[INFO] [stdout] 95 |     mididev_id: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DeleteTake`
[INFO] [stdout]    --> src/main.rs:283:2
[INFO] [stdout]     |
[INFO] [stdout] 283 |     DeleteTake(u32)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:183:6
[INFO] [stdout]     |
[INFO] [stdout] 183 |                       self.events.push( MidiMessage {
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 184 | |                         timestamp,
[INFO] [stdout] 185 | |                         data
[INFO] [stdout] 186 | |                     });
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 channel_buffer.push(*d);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.loopfisch.er29o1uw-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56" "/opt/rustwide/target/debug/deps/loopfisch-8b0985585be8fc56.4gvy8d5ceqb18asj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libringbuf-9c3e4c123ebc356e.rlib" "/opt/rustwide/target/debug/deps/libintrusive_collections-6573a30cc06fb596.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-a12becb48eb01562.rlib" "/opt/rustwide/target/debug/deps/libassert_no_alloc-2ad94315be6264fc.rlib" "/opt/rustwide/target/debug/deps/libcrossterm-3a05737609c184fd.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook-fd134e498023ea06.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook_registry-0b8d6131416c025b.rlib" "/opt/rustwide/target/debug/deps/libarc_swap-604431288701787a.rlib" "/opt/rustwide/target/debug/deps/libmio-63ba4bf665dbb4ec.rlib" "/opt/rustwide/target/debug/deps/liblog-642ce3e611c2eb82.rlib" "/opt/rustwide/target/debug/deps/libslab-3a7649c6fb4d320f.rlib" "/opt/rustwide/target/debug/deps/libiovec-8f8fbab63a597b00.rlib" "/opt/rustwide/target/debug/deps/libnet2-88da5febe27dd5e6.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-242716ac03c6bd31.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-5f54e95e144ecae4.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b00c34326580381c.rlib" "/opt/rustwide/target/debug/deps/liblock_api-6156da8ddd4665db.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-83022017c749d9a0.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-c498d37fa6245bbd.rlib" "/opt/rustwide/target/debug/deps/libjack-c225757b5dfc599a.rlib" "/opt/rustwide/target/debug/deps/libbitflags-56eca94422237621.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-4985a7802bd0e34b.rlib" "/opt/rustwide/target/debug/deps/liblibloading-6e2fb0502f4b2fd6.rlib" "/opt/rustwide/target/debug/deps/liblibc-0a82a4c240dd348a.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7c0477ae3415ac1f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.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; 10 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" "98ae500d30b2468232874062fc818ab8e122f2786188cadecfa75dffb3775b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ae500d30b2468232874062fc818ab8e122f2786188cadecfa75dffb3775b77", kill_on_drop: false }`
[INFO] [stdout] 98ae500d30b2468232874062fc818ab8e122f2786188cadecfa75dffb3775b77