[INFO] cloning repository https://github.com/suhr/msfz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhr/msfz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmsfz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmsfz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 444927e9c715b6a56f4d926bbdd3f091ded516eb
[INFO] testing suhr/msfz against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmsfz" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suhr/msfz on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/suhr/msfz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73cf7a194f13d557e06283e257389b19603f1dabbfbd41e6152d053e0dd7836c
[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" "73cf7a194f13d557e06283e257389b19603f1dabbfbd41e6152d053e0dd7836c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73cf7a194f13d557e06283e257389b19603f1dabbfbd41e6152d053e0dd7836c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73cf7a194f13d557e06283e257389b19603f1dabbfbd41e6152d053e0dd7836c", kill_on_drop: false }`
[INFO] [stdout] 73cf7a194f13d557e06283e257389b19603f1dabbfbd41e6152d053e0dd7836c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ff9eb96cd2b34680598f5684da49538086d4a53ed4e9c4b90d35c37c74e82a
[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" "82ff9eb96cd2b34680598f5684da49538086d4a53ed4e9c4b90d35c37c74e82a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling hound v3.3.1
[INFO] [stderr]    Compiling resample v0.1.0 (https://github.com/suhr/resample.git#4dbc5c81)
[INFO] [stderr]    Compiling monochord v0.1.1
[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] [stdout] warning: unused import: `std::error`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::error;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | /     loop {
[INFO] [stdout] 180 | |         use miosc::MioscMessage as MM;
[INFO] [stdout] 181 | |         let msg = read_miosc(&socket);
[INFO] [stdout] 182 | |         // let sample = Sample {
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |         ::std::thread::sleep(dt);
[INFO] [stdout] 206 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 207 | 
[INFO] [stdout] 208 |       active_client.deactivate().unwrap();
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `active_client`
[INFO] [stdout]    --> src/main.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let active_client = client.activate_async((), process).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_active_client`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.msfz.1zfpdwqu-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86" "/opt/rustwide/target/debug/deps/msfz-3269cb2bc6ba8c86.3db5awazg80rnh1s.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmonochord-53b1d20936419ecb.rlib" "/opt/rustwide/target/debug/deps/libresample-3523070fb01b9d82.rlib" "/opt/rustwide/target/debug/deps/libmiosc-224ac7045b7e8cda.rlib" "/opt/rustwide/target/debug/deps/librosc-f5ae6e953ae8fdd1.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-e9641ac4997e4e91.rlib" "/opt/rustwide/target/debug/deps/libjack-0f829df6980321bb.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-0fb02e5c8c903b2d.rlib" "/opt/rustwide/target/debug/deps/liblibloading-c338e2b21e708b23.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f1dbf1fb93040649.rlib" "/opt/rustwide/target/debug/deps/liblibc-b1134b9ad3134dfd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-a3b8effd6dc295d0.rlib" "/opt/rustwide/target/debug/deps/libhound-8b16dcf995326fce.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-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; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `msfz`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "82ff9eb96cd2b34680598f5684da49538086d4a53ed4e9c4b90d35c37c74e82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ff9eb96cd2b34680598f5684da49538086d4a53ed4e9c4b90d35c37c74e82a", kill_on_drop: false }`
[INFO] [stdout] 82ff9eb96cd2b34680598f5684da49538086d4a53ed4e9c4b90d35c37c74e82a
