[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhr%2Fmsfz" "/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/suhr/msfz on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-6/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/suhr/resample.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded monochord v0.1.1
[INFO] [stderr]   Downloaded hound v3.3.1
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4133587f081fd6c0e54d037eb8500e67e167a693364bb567ccefa01884db4998
[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" "4133587f081fd6c0e54d037eb8500e67e167a693364bb567ccefa01884db4998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4133587f081fd6c0e54d037eb8500e67e167a693364bb567ccefa01884db4998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4133587f081fd6c0e54d037eb8500e67e167a693364bb567ccefa01884db4998", kill_on_drop: false }`
[INFO] [stdout] 4133587f081fd6c0e54d037eb8500e67e167a693364bb567ccefa01884db4998
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a61c3d8d9b8b09f1f1a950030b5ebf0900c2eb3d8e649a0eb5573b7c38b13e24
[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" "a61c3d8d9b8b09f1f1a950030b5ebf0900c2eb3d8e649a0eb5573b7c38b13e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling libc v0.2.40
[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/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.msfz.5aqs700m-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138" "/opt/rustwide/target/debug/deps/msfz-3132d9c4dda56138.1951fs4sx319oyuz.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmonochord-814df6e9d0b57c05.rlib" "/opt/rustwide/target/debug/deps/libresample-174119c851445ce8.rlib" "/opt/rustwide/target/debug/deps/libmiosc-f690f32998545940.rlib" "/opt/rustwide/target/debug/deps/librosc-b52187b137ce10af.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-67180debc2930133.rlib" "/opt/rustwide/target/debug/deps/libjack-b72e28be87bfe629.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-b3762534c4e97da7.rlib" "/opt/rustwide/target/debug/deps/liblibloading-4f43778642967a00.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2a076a970eba03df.rlib" "/opt/rustwide/target/debug/deps/liblibc-fda43483bc32417c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2e47ca3a35b96ad7.rlib" "/opt/rustwide/target/debug/deps/libhound-5086c874c31d456e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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" "a61c3d8d9b8b09f1f1a950030b5ebf0900c2eb3d8e649a0eb5573b7c38b13e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61c3d8d9b8b09f1f1a950030b5ebf0900c2eb3d8e649a0eb5573b7c38b13e24", kill_on_drop: false }`
[INFO] [stdout] a61c3d8d9b8b09f1f1a950030b5ebf0900c2eb3d8e649a0eb5573b7c38b13e24