[INFO] updating cached repository https://github.com/Javyre/jcon
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdb941ee6b8fc4f648827a7918bea3e066391d5c
[INFO] testing Javyre/jcon against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2Fjcon" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Javyre/jcon on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Javyre/jcon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f2dd74ed958c8da7e80913b69426f08dd242ba1c46d87ef64001af083d8cdaa
[INFO] running `Command { std: "docker" "start" "-a" "0f2dd74ed958c8da7e80913b69426f08dd242ba1c46d87ef64001af083d8cdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f2dd74ed958c8da7e80913b69426f08dd242ba1c46d87ef64001af083d8cdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2dd74ed958c8da7e80913b69426f08dd242ba1c46d87ef64001af083d8cdaa", kill_on_drop: false }`
[INFO] [stdout] 0f2dd74ed958c8da7e80913b69426f08dd242ba1c46d87ef64001af083d8cdaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26bbe6127533a83021d80ba7b58657c906adb09bf4c86a0ff959853530f3ced1
[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" "26bbe6127533a83021d80ba7b58657c906adb09bf4c86a0ff959853530f3ced1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[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] [stdout] warning: unused variable: `pa`
[INFO] [stdout]    --> src/main.rs:405:33
[INFO] [stdout]     |
[INFO] [stdout] 405 |             UserCommand::Toggle(pa, pb) => unimplemented!(),
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_pa`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pb`
[INFO] [stdout]    --> src/main.rs:405:37
[INFO] [stdout]     |
[INFO] [stdout] 405 |             UserCommand::Toggle(pa, pb) => unimplemented!(),
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_pb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Connect`
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     Connect(ORegex, IRegex),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Disconnect`
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Disconnect(ORegex, IRegex),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Toggle`
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Toggle(ORegex, IRegex),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EnsureConnected`
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     EnsureConnected(PRegex, PRegex),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EnsureDisConnected`
[INFO] [stdout]    --> src/main.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     EnsureDisConnected(PRegex, PRegex),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UserCommand`
[INFO] [stdout]    --> src/main.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     UserCommand(UserCommand, Sender<Result<()>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Command`
[INFO] [stdout]    --> src/main.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     Command(Command),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Finish`
[INFO] [stdout]    --> src/main.rs:127:26
[INFO] [stdout]     |
[INFO] [stdout] 127 | enum Control { Continue, Finish }
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inner`
[INFO] [stdout]    --> src/main.rs:168:22
[INFO] [stdout]     |
[INFO] [stdout] 168 | impl IRegex { pub fn inner(&self) -> &Regex  { &(self.0).0 } }
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inner`
[INFO] [stdout]    --> src/main.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 | impl ORegex { pub fn inner(&self) -> &Regex  { &(self.0).0 } }
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_with_in`
[INFO] [stdout]    --> src/main.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn find_with_in(&self, n: &IName) -> Vec<ORegex> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[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" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.jcon.bho5wcrm-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db" "/opt/rustwide/target/debug/deps/jcon-a399fa379c55a9db.4a7s1ay0hfd9m11u.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libregex-023026b5e9c9d4f7.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-9c7a2e9de6b7ab71.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-5dce13abbd6c4f5b.rlib" "/opt/rustwide/target/debug/deps/libucd_util-0434d568ef113b05.rlib" "/opt/rustwide/target/debug/deps/libthread_local-59573d1abf6087d1.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-54da3a8a6bad8a93.rlib" "/opt/rustwide/target/debug/deps/libmemchr-3bc3335fd6e0a7fa.rlib" "/opt/rustwide/target/debug/deps/libjack-9eef980038f896f7.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-63c86329ac73661f.rlib" "/opt/rustwide/target/debug/deps/liblibloading-abcca4180ecf1e54.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-1111c7f22c80ffdf.rlib" "/opt/rustwide/target/debug/deps/liblibc-3463fdbed19360ec.rlib" "/opt/rustwide/target/debug/deps/libbitflags-eda987bbeb521c5d.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.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; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jcon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "26bbe6127533a83021d80ba7b58657c906adb09bf4c86a0ff959853530f3ced1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26bbe6127533a83021d80ba7b58657c906adb09bf4c86a0ff959853530f3ced1", kill_on_drop: false }`
[INFO] [stdout] 26bbe6127533a83021d80ba7b58657c906adb09bf4c86a0ff959853530f3ced1