[INFO] updating cached repository suhr/xephys
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/suhr/xephys
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/xephys" "work/ex/beta-1.37-6/sources/1.36.0/gh/suhr/xephys"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/suhr/xephys'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/xephys" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/suhr/xephys"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/suhr/xephys'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e49bfab503d36ec2f1b61653956ced3c4ea6f297
[INFO] sha for GitHub repo suhr/xephys: e49bfab503d36ec2f1b61653956ced3c4ea6f297
[INFO] validating manifest of suhr/xephys on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of suhr/xephys on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing suhr/xephys
[INFO] finished frobbing suhr/xephys
[INFO] frobbed toml for suhr/xephys written to work/ex/beta-1.37-6/sources/1.36.0/gh/suhr/xephys/Cargo.toml
[INFO] started frobbing suhr/xephys
[INFO] finished frobbing suhr/xephys
[INFO] frobbed toml for suhr/xephys written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/suhr/xephys/Cargo.toml
[INFO] crate suhr/xephys already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing suhr/xephys against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/suhr/xephys:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] d299ee78dd45be3928cbc01eb7076ade841c51d8137bbfe485f5a3e6bb015cfd
[INFO] running `"docker" "start" "-a" "d299ee78dd45be3928cbc01eb7076ade841c51d8137bbfe485f5a3e6bb015cfd"`
[INFO] [stderr]    Compiling rosc v0.1.5
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling jack-sys v0.2.0
[INFO] [stderr]    Compiling miosc v0.1.0 (https://github.com/diaschisma/miosc.git#b1ed9a6d)
[INFO] [stderr]    Compiling jack v0.6.0
[INFO] [stderr]    Compiling xephys v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:773:5
[INFO] [stderr]     |
[INFO] [stderr] 773 |     active_client.deactivate().unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `active_client`
[INFO] [stderr]    --> src/main.rs:758:9
[INFO] [stderr]     |
[INFO] [stderr] 758 |     let active_client = client.activate_async((), process).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_active_client`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primitives.rs:107:34
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 AdsrState::Press(mut t) if (t as f32) < self.attack => {
[INFO] [stderr]     |                                  ----^
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[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/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.xephys.6eck56u8-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a" "/opt/crater/target/debug/deps/xephys-a3e2cb02ecfb1d4a.ptv9i99ilpv7y06.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libmiosc-7ddfd0583c212bb8.rlib" "/opt/crater/target/debug/deps/librosc-b4dcfdd1e706b159.rlib" "/opt/crater/target/debug/deps/libbyteorder-1f5f1f9046363f44.rlib" "/opt/crater/target/debug/deps/libjack-b88561f26af44994.rlib" "/opt/crater/target/debug/deps/libjack_sys-6c5289d6129bdcab.rlib" "/opt/crater/target/debug/deps/liblibloading-2dee65ebc5b679fd.rlib" "/opt/crater/target/debug/deps/liblazy_static-0098df0396dd5034.rlib" "/opt/crater/target/debug/deps/liblibc-6e2a1114b1e6baf1.rlib" "/opt/crater/target/debug/deps/libbitflags-4f5a5af30acbcb25.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.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 `xephys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d299ee78dd45be3928cbc01eb7076ade841c51d8137bbfe485f5a3e6bb015cfd"`
[INFO] running `"docker" "rm" "-f" "d299ee78dd45be3928cbc01eb7076ade841c51d8137bbfe485f5a3e6bb015cfd"`
[INFO] [stdout] d299ee78dd45be3928cbc01eb7076ade841c51d8137bbfe485f5a3e6bb015cfd