[INFO] updating cached repository https://github.com/suhr/msfz
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 444927e9c715b6a56f4d926bbdd3f091ded516eb
[INFO] testing suhr/msfz against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmsfz" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhr/msfz on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/suhr/msfz
[INFO] finished tweaking git repo https://github.com/suhr/msfz
[INFO] tweaked toml for git repo https://github.com/suhr/msfz written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/suhr/msfz already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] c09a69a64b4adb911cff2bd77ea45c3c186858ea3e0afe802625acdd7f3bc1f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c09a69a64b4adb911cff2bd77ea45c3c186858ea3e0afe802625acdd7f3bc1f8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling monochord v0.1.1
[INFO] [stderr]    Compiling hound v3.3.1
[INFO] [stderr]    Compiling resample v0.1.0 (https://github.com/suhr/resample.git#4dbc5c81)
[INFO] [stderr]    Compiling rosc v0.1.5
[INFO] [stderr]    Compiling miosc v0.1.0 (https://github.com/diaschisma/miosc.git#b1ed9a6d)
[INFO] [stderr]    Compiling jack-sys v0.2.0
[INFO] [stderr]    Compiling jack v0.6.0
[INFO] [stderr]    Compiling msfz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::error`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::error;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 179 | /     loop {
[INFO] [stderr] 180 | |         use miosc::MioscMessage as MM;
[INFO] [stderr] 181 | |         let msg = read_miosc(&socket);
[INFO] [stderr] 182 | |         // let sample = Sample {
[INFO] [stderr] ...   |
[INFO] [stderr] 205 | |         ::std::thread::sleep(dt);
[INFO] [stderr] 206 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 207 | 
[INFO] [stderr] 208 |       active_client.deactivate().unwrap();
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `active_client`
[INFO] [stderr]    --> src/main.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let active_client = client.activate_async((), process).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_client`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[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/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.msfz.73mm1egn-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6" "/opt/rustwide/target/debug/deps/msfz-516a22423d84f9b6.1n15bnxkd0jrt0cx.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmonochord-425532b67ce0efa0.rlib" "/opt/rustwide/target/debug/deps/libresample-1dd6dbee99f8f733.rlib" "/opt/rustwide/target/debug/deps/libmiosc-d29f38331729c449.rlib" "/opt/rustwide/target/debug/deps/librosc-9f07d64dd78ad7da.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-df12a759a99edaf3.rlib" "/opt/rustwide/target/debug/deps/libjack-f04b99f7fcfd049d.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-cd6fb73898c31b0f.rlib" "/opt/rustwide/target/debug/deps/liblibloading-8964052328fc3042.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2873d32ed64f8f3c.rlib" "/opt/rustwide/target/debug/deps/liblibc-3f0bc7ef46014dac.rlib" "/opt/rustwide/target/debug/deps/libbitflags-fd9f43b38e195672.rlib" "/opt/rustwide/target/debug/deps/libhound-c7c65dd02cbaa724.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-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; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `msfz`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c09a69a64b4adb911cff2bd77ea45c3c186858ea3e0afe802625acdd7f3bc1f8"`
[INFO] running `"docker" "rm" "-f" "c09a69a64b4adb911cff2bd77ea45c3c186858ea3e0afe802625acdd7f3bc1f8"`
[INFO] [stdout] c09a69a64b4adb911cff2bd77ea45c3c186858ea3e0afe802625acdd7f3bc1f8