[INFO] updating cached repository suhr/msfz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/suhr/msfz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/msfz" "work/ex/beta-1.38-1/sources/1.37.0/gh/suhr/msfz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/suhr/msfz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/msfz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/suhr/msfz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/suhr/msfz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 444927e9c715b6a56f4d926bbdd3f091ded516eb
[INFO] sha for GitHub repo suhr/msfz: 444927e9c715b6a56f4d926bbdd3f091ded516eb
[INFO] validating manifest of suhr/msfz on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of suhr/msfz on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing suhr/msfz
[INFO] finished frobbing suhr/msfz
[INFO] frobbed toml for suhr/msfz written to work/ex/beta-1.38-1/sources/1.37.0/gh/suhr/msfz/Cargo.toml
[INFO] started frobbing suhr/msfz
[INFO] finished frobbing suhr/msfz
[INFO] frobbed toml for suhr/msfz written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/suhr/msfz/Cargo.toml
[INFO] crate suhr/msfz already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing suhr/msfz against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/suhr/msfz:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] da8f8cb35f4c3a0541176641767399644f635405548255a0cb1764108cc9fc6a
[INFO] running `"docker" "start" "-a" "da8f8cb35f4c3a0541176641767399644f635405548255a0cb1764108cc9fc6a"`
[INFO] [stderr]    Compiling resample v0.1.0 (https://github.com/suhr/resample.git#4dbc5c81)
[INFO] [stderr]    Compiling hound v3.3.1
[INFO] [stderr]    Compiling monochord v0.1.1
[INFO] [stderr]    Compiling rosc v0.1.5
[INFO] [stderr]    Compiling jack-sys v0.2.0
[INFO] [stderr]    Compiling jack v0.6.0
[INFO] [stderr]    Compiling miosc v0.1.0 (https://github.com/diaschisma/miosc.git#b1ed9a6d)
[INFO] [stderr]    Compiling msfz v0.1.0 (/opt/crater/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] 208 |     active_client.deactivate().unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: consider prefixing 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/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.msfz.6qd07jvy-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469" "/opt/crater/target/debug/deps/msfz-4f36904b0ccc7469.47k6d6g3cpj3j9mj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libmonochord-6aa025aa52137487.rlib" "/opt/crater/target/debug/deps/libresample-e9a59187a8cb8a12.rlib" "/opt/crater/target/debug/deps/libmiosc-70291212c6a68406.rlib" "/opt/crater/target/debug/deps/librosc-f29b4a7a279851d7.rlib" "/opt/crater/target/debug/deps/libbyteorder-28a061140ed2d54c.rlib" "/opt/crater/target/debug/deps/libjack-afbfc13726d20401.rlib" "/opt/crater/target/debug/deps/libjack_sys-817ef2bf8793cfb5.rlib" "/opt/crater/target/debug/deps/liblibloading-59bf0a83e7822d15.rlib" "/opt/crater/target/debug/deps/liblazy_static-477b2fb8337c6397.rlib" "/opt/crater/target/debug/deps/liblibc-9d78a2d2719851af.rlib" "/opt/crater/target/debug/deps/libbitflags-8691998c5ee83e05.rlib" "/opt/crater/target/debug/deps/libhound-b8d9a5309e72d98c.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-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
[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" "da8f8cb35f4c3a0541176641767399644f635405548255a0cb1764108cc9fc6a"`
[INFO] running `"docker" "rm" "-f" "da8f8cb35f4c3a0541176641767399644f635405548255a0cb1764108cc9fc6a"`
[INFO] [stdout] da8f8cb35f4c3a0541176641767399644f635405548255a0cb1764108cc9fc6a