[INFO] updating cached repository https://github.com/Javyre/jcon
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] cdb941ee6b8fc4f648827a7918bea3e066391d5c
[INFO] testing Javyre/jcon against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2Fjcon" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Javyre/jcon on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Javyre/jcon
[INFO] finished tweaking git repo https://github.com/Javyre/jcon
[INFO] tweaked toml for git repo https://github.com/Javyre/jcon written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Javyre/jcon already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5517f6eaea7ed08daaca2e4079164016bd1da359d19b8667f64e1ef6cb442d5c
[INFO] running `"docker" "start" "-a" "5517f6eaea7ed08daaca2e4079164016bd1da359d19b8667f64e1ef6cb442d5c"`
[INFO] [stderr]    Compiling jack-sys v0.2.0
[INFO] [stderr]    Compiling jack v0.6.0
[INFO] [stderr]    Compiling jcon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `pa`
[INFO] [stderr]    --> src/main.rs:405:33
[INFO] [stderr]     |
[INFO] [stderr] 405 |             UserCommand::Toggle(pa, pb) => unimplemented!(),
[INFO] [stderr]     |                                 ^^ help: consider prefixing with an underscore: `_pa`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pb`
[INFO] [stderr]    --> src/main.rs:405:37
[INFO] [stderr]     |
[INFO] [stderr] 405 |             UserCommand::Toggle(pa, pb) => unimplemented!(),
[INFO] [stderr]     |                                     ^^ help: consider prefixing with an underscore: `_pb`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connect`
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     Connect(ORegex, IRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Disconnect`
[INFO] [stderr]    --> src/main.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Disconnect(ORegex, IRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Toggle`
[INFO] [stderr]    --> src/main.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     Toggle(ORegex, IRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EnsureConnected`
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     EnsureConnected(PRegex, PRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EnsureDisConnected`
[INFO] [stderr]    --> src/main.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     EnsureDisConnected(PRegex, PRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UserCommand`
[INFO] [stderr]    --> src/main.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     UserCommand(UserCommand, Sender<Result<()>>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Command`
[INFO] [stderr]    --> src/main.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     Command(Command),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Finish`
[INFO] [stderr]    --> src/main.rs:127:26
[INFO] [stderr]     |
[INFO] [stderr] 127 | enum Control { Continue, Finish }
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inner`
[INFO] [stderr]    --> src/main.rs:168:15
[INFO] [stderr]     |
[INFO] [stderr] 168 | impl IRegex { pub fn inner(&self) -> &Regex  { &(self.0).0 } }
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inner`
[INFO] [stderr]    --> src/main.rs:169:15
[INFO] [stderr]     |
[INFO] [stderr] 169 | impl ORegex { pub fn inner(&self) -> &Regex  { &(self.0).0 } }
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_with_in`
[INFO] [stderr]    --> src/main.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn find_with_in(&self, n: &IName) -> Vec<ORegex> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.jcon.clwhqx0b-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556" "/opt/rustwide/target/debug/deps/jcon-929d333f1fd6f556.40nj70t29wd2z54w.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libregex-238919a927ae77cf.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-83ae249c9a6ecf11.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-eac52834e48eb500.rlib" "/opt/rustwide/target/debug/deps/libucd_util-b548f566287fc6d5.rlib" "/opt/rustwide/target/debug/deps/libthread_local-5dc8dd96e7f61aea.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-5172b4c82b8540a7.rlib" "/opt/rustwide/target/debug/deps/libmemchr-a1f55abdd287c191.rlib" "/opt/rustwide/target/debug/deps/libjack-4032744d66ae1dc0.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-74cb2944449b58fe.rlib" "/opt/rustwide/target/debug/deps/liblibloading-ac2c7ce5835a058a.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-0bb2f2b904eb618d.rlib" "/opt/rustwide/target/debug/deps/liblibc-226653e57d1a8098.rlib" "/opt/rustwide/target/debug/deps/libbitflags-3a40c6903761d7ac.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.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 `jcon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5517f6eaea7ed08daaca2e4079164016bd1da359d19b8667f64e1ef6cb442d5c"`
[INFO] running `"docker" "rm" "-f" "5517f6eaea7ed08daaca2e4079164016bd1da359d19b8667f64e1ef6cb442d5c"`
[INFO] [stdout] 5517f6eaea7ed08daaca2e4079164016bd1da359d19b8667f64e1ef6cb442d5c