[INFO] updating cached repository https://github.com/Spunge/forex
[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] 7a4951edad7d506422b66ce80c032422d38e6c27
[INFO] testing Spunge/forex against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpunge%2Fforex" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Spunge/forex 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/Spunge/forex
[INFO] finished tweaking git repo https://github.com/Spunge/forex
[INFO] tweaked toml for git repo https://github.com/Spunge/forex written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Spunge/forex 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ac78700a049daf479d4832a9ffa913739d77df1aadf6a24d4865372c927bbc4
[INFO] running `"docker" "start" "-a" "6ac78700a049daf479d4832a9ffa913739d77df1aadf6a24d4865372c927bbc4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling jack-sys v0.2.0 (https://github.com/spunge/rust-jack.git#c645e0b1)
[INFO] [stderr]    Compiling jack v0.6.0-rc1 (https://github.com/spunge/rust-jack.git#c645e0b1)
[INFO] [stderr]    Compiling gilrs-core v0.2.5
[INFO] [stderr]    Compiling gilrs v0.7.4
[INFO] [stderr]    Compiling forex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             writer.write(&jack::RawMidi { time: frame, bytes: &bytes });
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.forex.bo3l4iqw-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54" "/opt/rustwide/target/debug/deps/forex-7098d76c9bde1f54.1t4e50ysp9767w4l.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/lib/x86_64-linux-gnu" "-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/libgilrs-68ebd43b417c7844.rlib" "/opt/rustwide/target/debug/deps/libgilrs_core-7de3af83450baf41.rlib" "/opt/rustwide/target/debug/deps/liblog-c709ae7ff9aa4321.rlib" "/opt/rustwide/target/debug/deps/libuuid-2245f6f3f71eeb6c.rlib" "/opt/rustwide/target/debug/deps/libvec_map-423d6945ab3c8d98.rlib" "/opt/rustwide/target/debug/deps/libnix-a228b288ef974878.rlib" "/opt/rustwide/target/debug/deps/libvoid-54fa5ba7557385ce.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-0d7329a98a9ffead.rlib" "/opt/rustwide/target/debug/deps/liblibudev_sys-738cf2cdca037f87.rlib" "/opt/rustwide/target/debug/deps/libfnv-18c63eb7d27d11b7.rlib" "/opt/rustwide/target/debug/deps/libjack-2ea5c74420aa0957.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-ceae68c878970d2a.rlib" "/opt/rustwide/target/debug/deps/liblibloading-7ac2bf5b807ecd43.rlib" "/opt/rustwide/target/debug/deps/liblibc-a3cf2b9ee52a75ba.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-36bd8bbfaaa85bd1.rlib" "/opt/rustwide/target/debug/deps/libbitflags-a637fa8d282392d5.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" "-ludev" "-ljack" "-ldl" "-lutil" "-ldl" "-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; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `forex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6ac78700a049daf479d4832a9ffa913739d77df1aadf6a24d4865372c927bbc4"`
[INFO] running `"docker" "rm" "-f" "6ac78700a049daf479d4832a9ffa913739d77df1aadf6a24d4865372c927bbc4"`
[INFO] [stdout] 6ac78700a049daf479d4832a9ffa913739d77df1aadf6a24d4865372c927bbc4