[INFO] crate io_bluetooth 0.1.0 is already in cache
[INFO] extracting crate io_bluetooth 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/io_bluetooth/0.1.0
[INFO] extracting crate io_bluetooth 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/io_bluetooth/0.1.0
[INFO] validating manifest of io_bluetooth-0.1.0 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 io_bluetooth-0.1.0 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 io_bluetooth-0.1.0
[INFO] finished frobbing io_bluetooth-0.1.0
[INFO] frobbed toml for io_bluetooth-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/io_bluetooth/0.1.0/Cargo.toml
[INFO] started frobbing io_bluetooth-0.1.0
[INFO] finished frobbing io_bluetooth-0.1.0
[INFO] frobbed toml for io_bluetooth-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/io_bluetooth/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 io_bluetooth-0.1.0 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/io_bluetooth/0.1.0:/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] 937db07d549740b304999e87b3983819f25fd8cd99d1e0b1bbfc0483c02b6cc2
[INFO] running `"docker" "start" "-a" "937db07d549740b304999e87b3983819f25fd8cd99d1e0b1bbfc0483c02b6cc2"`
[INFO] [stderr]    Compiling libbluetooth v0.1.0
[INFO] [stderr]    Compiling io_bluetooth v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn socket(&self) -> &Socket {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn into_socket(self) -> Socket {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn socket(&self) -> &Socket {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     pub fn into_socket(self) -> Socket {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "937db07d549740b304999e87b3983819f25fd8cd99d1e0b1bbfc0483c02b6cc2"`
[INFO] running `"docker" "rm" "-f" "937db07d549740b304999e87b3983819f25fd8cd99d1e0b1bbfc0483c02b6cc2"`
[INFO] [stdout] 937db07d549740b304999e87b3983819f25fd8cd99d1e0b1bbfc0483c02b6cc2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/io_bluetooth/0.1.0:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2e1bbc78e903e157b0bdcd3ad82e1cd4aa112423b1e5b94c5d3025056324643d
[INFO] running `"docker" "start" "-a" "2e1bbc78e903e157b0bdcd3ad82e1cd4aa112423b1e5b94c5d3025056324643d"`
[INFO] [stderr]    Compiling io_bluetooth v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn socket(&self) -> &Socket {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn into_socket(self) -> Socket {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     pub fn socket(&self) -> &Socket {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_socket`
[INFO] [stderr]    --> src/sys_common/bt.rs:280:5
[INFO] [stderr]     |
[INFO] [stderr] 280 |     pub fn into_socket(self) -> Socket {
[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/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/io_bluetooth-a7d1b1a66b1ba2d2.io_bluetooth.y79nk1m7-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/io_bluetooth-a7d1b1a66b1ba2d2.io_bluetooth.y79nk1m7-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/io_bluetooth-a7d1b1a66b1ba2d2.io_bluetooth.y79nk1m7-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/io_bluetooth-a7d1b1a66b1ba2d2.io_bluetooth.y79nk1m7-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/io_bluetooth-a7d1b1a66b1ba2d2.io_bluetooth.y79nk1m7-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/io_bluetooth-a7d1b1a66b1ba2d2.io_bluetooth.y79nk1m7-cgu.5.rcgu.o" "-o" "/opt/crater/target/debug/deps/io_bluetooth-a7d1b1a66b1ba2d2" "/opt/crater/target/debug/deps/io_bluetooth-a7d1b1a66b1ba2d2.46cjeiee5ebz5nrr.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/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-e8fbf0b14816ca0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-c9d91925876437f2.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-50d6bab7df588609.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-913b30c2987aa8da.rlib" "/opt/crater/target/debug/deps/liblibbluetooth-3caf69bec91d59d9.rlib" "/opt/crater/target/debug/deps/libnix-eac1ae3833724870.rlib" "/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.rlib" "/opt/crater/target/debug/deps/libvoid-2515ce9d4297bf7d.rlib" "/opt/crater/target/debug/deps/libbitflags-7220c27e9b431920.rlib" "/opt/crater/target/debug/deps/libcfg_if-29b6f8db75d699b1.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" "-lbluetooth" "-lbluetooth" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lbluetooth
[INFO] [stderr]           /usr/bin/ld: cannot find -lbluetooth
[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 `io_bluetooth`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2e1bbc78e903e157b0bdcd3ad82e1cd4aa112423b1e5b94c5d3025056324643d"`
[INFO] running `"docker" "rm" "-f" "2e1bbc78e903e157b0bdcd3ad82e1cd4aa112423b1e5b94c5d3025056324643d"`
[INFO] [stdout] 2e1bbc78e903e157b0bdcd3ad82e1cd4aa112423b1e5b94c5d3025056324643d