[INFO] crate r2d2_gluster 0.1.1 is already in cache
[INFO] extracting crate r2d2_gluster 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/r2d2_gluster/0.1.1
[INFO] extracting crate r2d2_gluster 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/r2d2_gluster/0.1.1
[INFO] validating manifest of r2d2_gluster-0.1.1 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 r2d2_gluster-0.1.1 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 r2d2_gluster-0.1.1
[INFO] finished frobbing r2d2_gluster-0.1.1
[INFO] frobbed toml for r2d2_gluster-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/r2d2_gluster/0.1.1/Cargo.toml
[INFO] started frobbing r2d2_gluster-0.1.1
[INFO] finished frobbing r2d2_gluster-0.1.1
[INFO] frobbed toml for r2d2_gluster-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/r2d2_gluster/0.1.1/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 r2d2_gluster-0.1.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/r2d2_gluster/0.1.1:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2d5c1b585a1e259209a29da9ef532c464d16cfc38096802538c81b02980b27cd
[INFO] running `"docker" "start" "-a" "2d5c1b585a1e259209a29da9ef532c464d16cfc38096802538c81b02980b27cd"`
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling gfapi-sys v0.3.6
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling r2d2 v0.8.5
[INFO] [stderr]    Compiling r2d2_gluster v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn has_broken(&self, conn: &mut Self::Connection) -> bool {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `"docker" "inspect" "2d5c1b585a1e259209a29da9ef532c464d16cfc38096802538c81b02980b27cd"`
[INFO] running `"docker" "rm" "-f" "2d5c1b585a1e259209a29da9ef532c464d16cfc38096802538c81b02980b27cd"`
[INFO] [stdout] 2d5c1b585a1e259209a29da9ef532c464d16cfc38096802538c81b02980b27cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/r2d2_gluster/0.1.1:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 65a66b3ddd0faba7af655fb51cbf923f88f37b8849a2aa87dc2dd1f1f137312e
[INFO] running `"docker" "start" "-a" "65a66b3ddd0faba7af655fb51cbf923f88f37b8849a2aa87dc2dd1f1f137312e"`
[INFO] [stderr]    Compiling r2d2_gluster v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_conn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `conn`
[INFO] [stderr]   --> src/lib.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn has_broken(&self, conn: &mut Self::Connection) -> bool {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_conn`
[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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/r2d2_gluster-3f0de43c7c1df27f.r2d2_gluster.f2wtd5r5-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-3f0de43c7c1df27f.r2d2_gluster.f2wtd5r5-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-3f0de43c7c1df27f.r2d2_gluster.f2wtd5r5-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-3f0de43c7c1df27f.r2d2_gluster.f2wtd5r5-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-3f0de43c7c1df27f.r2d2_gluster.f2wtd5r5-cgu.4.rcgu.o" "-o" "/opt/crater/target/debug/deps/r2d2_gluster-3f0de43c7c1df27f" "/opt/crater/target/debug/deps/r2d2_gluster-3f0de43c7c1df27f.2i48f8rd6jqvmbl8.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-7d9df032c0eb8a14.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-77300aa0d630d98f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-4d48ca12b265d456.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-8869eee15acf0f54.rlib" "/opt/crater/target/debug/deps/libr2d2-c200f6b48ee1c918.rlib" "/opt/crater/target/debug/deps/libscheduled_thread_pool-11acbb2941c12721.rlib" "/opt/crater/target/debug/deps/libparking_lot-341c6480413837f8.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-67193009b92d7b56.rlib" "/opt/crater/target/debug/deps/liblock_api-b8e5ff7ca17f9c73.rlib" "/opt/crater/target/debug/deps/libparking_lot-bcd4e0fd038919df.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-aadccb5b9502a8c6.rlib" "/opt/crater/target/debug/deps/libsmallvec-3009c93eda7cf4fa.rlib" "/opt/crater/target/debug/deps/librand-478ec8ce9fba553e.rlib" "/opt/crater/target/debug/deps/librand_xorshift-5e391b21601b8393.rlib" "/opt/crater/target/debug/deps/librand_pcg-05da2351d8811861.rlib" "/opt/crater/target/debug/deps/librand_hc-8d037a8bb74cc960.rlib" "/opt/crater/target/debug/deps/librand_chacha-1b8e39b253389048.rlib" "/opt/crater/target/debug/deps/librand_isaac-8a1220a5cdc55703.rlib" "/opt/crater/target/debug/deps/librand_core-5af554ddf81cd17c.rlib" "/opt/crater/target/debug/deps/librand_os-c26d9914b6da4d52.rlib" "/opt/crater/target/debug/deps/librand_jitter-162e89fc4f3652f5.rlib" "/opt/crater/target/debug/deps/librand_core-4c9a550ae16dbf0f.rlib" "/opt/crater/target/debug/deps/liblock_api-3247f87e520577a1.rlib" "/opt/crater/target/debug/deps/libscopeguard-690e8e7efd40245c.rlib" "/opt/crater/target/debug/deps/libgfapi_sys-a09892dd0b75c1c2.rlib" "/opt/crater/target/debug/deps/libuuid-8302f94f715451ec.rlib" "/opt/crater/target/debug/deps/liblog-bbe9110cf0409309.rlib" "/opt/crater/target/debug/deps/liblog-4d4ce27474bb9998.rlib" "/opt/crater/target/debug/deps/libcfg_if-17244d8fcea476bd.rlib" "/opt/crater/target/debug/deps/liberrno-5e48846adbb24d3a.rlib" "/opt/crater/target/debug/deps/liblibc-15b143653abd1ffe.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lgfapi" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lgfapi
[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 `r2d2_gluster`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "65a66b3ddd0faba7af655fb51cbf923f88f37b8849a2aa87dc2dd1f1f137312e"`
[INFO] running `"docker" "rm" "-f" "65a66b3ddd0faba7af655fb51cbf923f88f37b8849a2aa87dc2dd1f1f137312e"`
[INFO] [stdout] 65a66b3ddd0faba7af655fb51cbf923f88f37b8849a2aa87dc2dd1f1f137312e