[INFO] crate r2d2_gluster 0.1.1 is already in cache
[INFO] extracting crate r2d2_gluster 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/r2d2_gluster/0.1.1
[INFO] extracting crate r2d2_gluster 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/r2d2_gluster/0.1.1
[INFO] validating manifest of r2d2_gluster-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of r2d2_gluster-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/r2d2_gluster/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing r2d2_gluster-0.1.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8d45bb77762457c7aeaef45e53a695e33ff845c0f02e74d2d34ad321a94815c8
[INFO] running `"docker" "start" "-a" "8d45bb77762457c7aeaef45e53a695e33ff845c0f02e74d2d34ad321a94815c8"`
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling r2d2 v0.8.5
[INFO] [stderr]    Compiling gfapi-sys v0.3.6
[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 2.08s
[INFO] running `"docker" "inspect" "8d45bb77762457c7aeaef45e53a695e33ff845c0f02e74d2d34ad321a94815c8"`
[INFO] running `"docker" "rm" "-f" "8d45bb77762457c7aeaef45e53a695e33ff845c0f02e74d2d34ad321a94815c8"`
[INFO] [stdout] 8d45bb77762457c7aeaef45e53a695e33ff845c0f02e74d2d34ad321a94815c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3570d950f897bc475d7bceb37b9c5e40217d1444fefd691572388d0b141defe2
[INFO] running `"docker" "start" "-a" "3570d950f897bc475d7bceb37b9c5e40217d1444fefd691572388d0b141defe2"`
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/r2d2_gluster-ec8c89e2c57bc53e.r2d2_gluster.4m9kvax5-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-ec8c89e2c57bc53e.r2d2_gluster.4m9kvax5-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-ec8c89e2c57bc53e.r2d2_gluster.4m9kvax5-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-ec8c89e2c57bc53e.r2d2_gluster.4m9kvax5-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-ec8c89e2c57bc53e.r2d2_gluster.4m9kvax5-cgu.4.rcgu.o" "-o" "/opt/crater/target/debug/deps/r2d2_gluster-ec8c89e2c57bc53e" "/opt/crater/target/debug/deps/r2d2_gluster-ec8c89e2c57bc53e.ektbi5fq8tokwsj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-0127509d2e54a846.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-2651f8b4eed9e86e.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-c729851ce6e3efb2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-e8235f0d435d4737.rlib" "/opt/crater/target/debug/deps/libr2d2-cd12c9a480b2252f.rlib" "/opt/crater/target/debug/deps/libscheduled_thread_pool-9985d1b64fcc8159.rlib" "/opt/crater/target/debug/deps/libparking_lot-10bb98feb38d456e.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-2d59d8d5d5bcab48.rlib" "/opt/crater/target/debug/deps/liblock_api-c0011194a4ef456e.rlib" "/opt/crater/target/debug/deps/libparking_lot-cbca731a68abb65f.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-977ceaac66cd9b48.rlib" "/opt/crater/target/debug/deps/libsmallvec-8ab4c1b4228c68ef.rlib" "/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib" "/opt/crater/target/debug/deps/librand_xorshift-4203f3157eb9a8e3.rlib" "/opt/crater/target/debug/deps/librand_pcg-8d4de0bb8369ce1b.rlib" "/opt/crater/target/debug/deps/librand_hc-bbd146a4b8bf6f4b.rlib" "/opt/crater/target/debug/deps/librand_chacha-e30594121fba25f8.rlib" "/opt/crater/target/debug/deps/librand_isaac-116c1a9914320278.rlib" "/opt/crater/target/debug/deps/librand_core-5fd440ec9008cce1.rlib" "/opt/crater/target/debug/deps/librand_os-df63c8a890c1e2e9.rlib" "/opt/crater/target/debug/deps/librand_jitter-06f1043e9c10514f.rlib" "/opt/crater/target/debug/deps/librand_core-fe4fc41bf9015dbc.rlib" "/opt/crater/target/debug/deps/liblock_api-952e48f18bcead83.rlib" "/opt/crater/target/debug/deps/libscopeguard-9b5b548023a82ae4.rlib" "/opt/crater/target/debug/deps/libgfapi_sys-14943231ff219fbc.rlib" "/opt/crater/target/debug/deps/libuuid-ca9541c6c038da51.rlib" "/opt/crater/target/debug/deps/liblog-5ad476e9af8f39be.rlib" "/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib" "/opt/crater/target/debug/deps/libcfg_if-3028bdd7b8e15bb5.rlib" "/opt/crater/target/debug/deps/liberrno-7a36b8a2df2d46c9.rlib" "/opt/crater/target/debug/deps/liblibc-d019039477cac03b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.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" "3570d950f897bc475d7bceb37b9c5e40217d1444fefd691572388d0b141defe2"`
[INFO] running `"docker" "rm" "-f" "3570d950f897bc475d7bceb37b9c5e40217d1444fefd691572388d0b141defe2"`
[INFO] [stdout] 3570d950f897bc475d7bceb37b9c5e40217d1444fefd691572388d0b141defe2