[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 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c874631ad3648ecb0390e9de5e53ddb935b58c55a68488c3e8c8cfe4fddcd007
[INFO] running `"docker" "start" "-a" "c874631ad3648ecb0390e9de5e53ddb935b58c55a68488c3e8c8cfe4fddcd007"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling errno v0.2.4
[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 1.41s
[INFO] running `"docker" "inspect" "c874631ad3648ecb0390e9de5e53ddb935b58c55a68488c3e8c8cfe4fddcd007"`
[INFO] running `"docker" "rm" "-f" "c874631ad3648ecb0390e9de5e53ddb935b58c55a68488c3e8c8cfe4fddcd007"`
[INFO] [stdout] c874631ad3648ecb0390e9de5e53ddb935b58c55a68488c3e8c8cfe4fddcd007
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 98398ea8d283e1765476e36c96bfef7e89a7d64f5fa4e3d120650488593637aa
[INFO] running `"docker" "start" "-a" "98398ea8d283e1765476e36c96bfef7e89a7d64f5fa4e3d120650488593637aa"`
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/r2d2_gluster-6f69b1b65c163bf1.r2d2_gluster.8kc67bet-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-6f69b1b65c163bf1.r2d2_gluster.8kc67bet-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-6f69b1b65c163bf1.r2d2_gluster.8kc67bet-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-6f69b1b65c163bf1.r2d2_gluster.8kc67bet-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/r2d2_gluster-6f69b1b65c163bf1.r2d2_gluster.8kc67bet-cgu.4.rcgu.o" "-o" "/opt/crater/target/debug/deps/r2d2_gluster-6f69b1b65c163bf1" "/opt/crater/target/debug/deps/r2d2_gluster-6f69b1b65c163bf1.abw3mldlwu5qgxe.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/libr2d2-c1353846de260391.rlib" "/opt/crater/target/debug/deps/libscheduled_thread_pool-79302482c8dc8f46.rlib" "/opt/crater/target/debug/deps/libparking_lot-b38677562ec3b6a1.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-c876bb4134be65c0.rlib" "/opt/crater/target/debug/deps/liblock_api-b3cbe5a3b858c037.rlib" "/opt/crater/target/debug/deps/libparking_lot-d0036e986362d72a.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-0e9a3728408c103a.rlib" "/opt/crater/target/debug/deps/libsmallvec-e7fd7440a8b77331.rlib" "/opt/crater/target/debug/deps/librand-90f16bd48677b73c.rlib" "/opt/crater/target/debug/deps/librand_xorshift-6a66fc50e6498d00.rlib" "/opt/crater/target/debug/deps/librand_pcg-d8d5dea3cc11bfd5.rlib" "/opt/crater/target/debug/deps/librand_hc-83283ab0a0ee3df8.rlib" "/opt/crater/target/debug/deps/librand_chacha-935e7b1d9428a758.rlib" "/opt/crater/target/debug/deps/librand_isaac-94fc18115e9afd61.rlib" "/opt/crater/target/debug/deps/librand_core-482fdfb44fe03c92.rlib" "/opt/crater/target/debug/deps/librand_os-0de48faa648b11e1.rlib" "/opt/crater/target/debug/deps/librand_jitter-1f73b0ee635ef60d.rlib" "/opt/crater/target/debug/deps/librand_core-a9179eebc82cf0f0.rlib" "/opt/crater/target/debug/deps/liblock_api-3286893848a1ee63.rlib" "/opt/crater/target/debug/deps/libscopeguard-9b8601d6dfc234d1.rlib" "/opt/crater/target/debug/deps/libgfapi_sys-dc551d167ba1cd03.rlib" "/opt/crater/target/debug/deps/libuuid-a898bb1c9bd99ef3.rlib" "/opt/crater/target/debug/deps/liblog-a60233c9189805c1.rlib" "/opt/crater/target/debug/deps/liblog-481c00b0f76d55f6.rlib" "/opt/crater/target/debug/deps/libcfg_if-29b6f8db75d699b1.rlib" "/opt/crater/target/debug/deps/liberrno-3ec2e81fc31a7e62.rlib" "/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.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" "-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" "98398ea8d283e1765476e36c96bfef7e89a7d64f5fa4e3d120650488593637aa"`
[INFO] running `"docker" "rm" "-f" "98398ea8d283e1765476e36c96bfef7e89a7d64f5fa4e3d120650488593637aa"`
[INFO] [stdout] 98398ea8d283e1765476e36c96bfef7e89a7d64f5fa4e3d120650488593637aa