[INFO] cloning repository https://github.com/Javyre/jcon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Javyre/jcon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2Fjcon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2Fjcon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdb941ee6b8fc4f648827a7918bea3e066391d5c
[INFO] testing Javyre/jcon against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2Fjcon" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Javyre/jcon on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-3/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jack v0.6.0
[INFO] [stderr]   Downloaded jack-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 730973cb8f44814d6e8f5f7131f52afb47749b5202a4d44fb92d6be29e1ecaff
[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" "730973cb8f44814d6e8f5f7131f52afb47749b5202a4d44fb92d6be29e1ecaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "730973cb8f44814d6e8f5f7131f52afb47749b5202a4d44fb92d6be29e1ecaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730973cb8f44814d6e8f5f7131f52afb47749b5202a4d44fb92d6be29e1ecaff", kill_on_drop: false }`
[INFO] [stdout] 730973cb8f44814d6e8f5f7131f52afb47749b5202a4d44fb92d6be29e1ecaff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db426d4c918ec79fe38fa88cd76ff946dcce6cbfe3d02043fb0cdbc32aa0b4a9
[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" "db426d4c918ec79fe38fa88cd76ff946dcce6cbfe3d02043fb0cdbc32aa0b4a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.6
[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" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.jcon.d3qn4apq-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130" "/opt/rustwide/target/debug/deps/jcon-09a8da32b15d1130.i76drmf7jf74mzd.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libregex-3d5b17213b209084.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-5285e964cc677567.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-0d511cf0ca3dd6a2.rlib" "/opt/rustwide/target/debug/deps/libucd_util-f629a7a8dd9e2767.rlib" "/opt/rustwide/target/debug/deps/libthread_local-4865af4dd3691709.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-050e7b779f6e0e83.rlib" "/opt/rustwide/target/debug/deps/libmemchr-fae6b156014e0d2a.rlib" "/opt/rustwide/target/debug/deps/libjack-f486e787d5abaf1e.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-3460ae82fe576328.rlib" "/opt/rustwide/target/debug/deps/liblibloading-70664d061af12914.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-189ff3a32fc15909.rlib" "/opt/rustwide/target/debug/deps/liblibc-3b26f970ed7ee075.rlib" "/opt/rustwide/target/debug/deps/libbitflags-bc3933a0c5f4996c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.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; 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" "db426d4c918ec79fe38fa88cd76ff946dcce6cbfe3d02043fb0cdbc32aa0b4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db426d4c918ec79fe38fa88cd76ff946dcce6cbfe3d02043fb0cdbc32aa0b4a9", kill_on_drop: false }`
[INFO] [stdout] db426d4c918ec79fe38fa88cd76ff946dcce6cbfe3d02043fb0cdbc32aa0b4a9