[INFO] fetching crate r2d2_gluster 0.1.1...
[INFO] testing r2d2_gluster-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate r2d2_gluster 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate r2d2_gluster 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r2d2_gluster 0.1.1
[INFO] finished tweaking crates.io crate r2d2_gluster 0.1.1
[INFO] tweaked toml for crates.io crate r2d2_gluster 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4583928ccd518742781a388223d5cb22e8a509269525da0901191c0f6ed7f494
[INFO] running `Command { std: "docker" "start" "-a" "4583928ccd518742781a388223d5cb22e8a509269525da0901191c0f6ed7f494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4583928ccd518742781a388223d5cb22e8a509269525da0901191c0f6ed7f494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4583928ccd518742781a388223d5cb22e8a509269525da0901191c0f6ed7f494", kill_on_drop: false }`
[INFO] [stdout] 4583928ccd518742781a388223d5cb22e8a509269525da0901191c0f6ed7f494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b517d7e190c2fa1e7704ce89cdc5d279606f843a14b1ca0e7a7f496b8b30a19
[INFO] running `Command { std: "docker" "start" "-a" "5b517d7e190c2fa1e7704ce89cdc5d279606f843a14b1ca0e7a7f496b8b30a19", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling r2d2 v0.8.9
[INFO] [stderr]    Compiling gfapi-sys v0.3.6
[INFO] [stderr]    Compiling r2d2_gluster v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn has_broken(&self, conn: &mut Self::Connection) -> bool {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "5b517d7e190c2fa1e7704ce89cdc5d279606f843a14b1ca0e7a7f496b8b30a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b517d7e190c2fa1e7704ce89cdc5d279606f843a14b1ca0e7a7f496b8b30a19", kill_on_drop: false }`
[INFO] [stdout] 5b517d7e190c2fa1e7704ce89cdc5d279606f843a14b1ca0e7a7f496b8b30a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58803f5a5b4252186acf3697774768bec5e6ec0e2e97532892aae06bcc8ccfc6
[INFO] running `Command { std: "docker" "start" "-a" "58803f5a5b4252186acf3697774768bec5e6ec0e2e97532892aae06bcc8ccfc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling r2d2_gluster v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn has_broken(&self, conn: &mut Self::Connection) -> bool {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn is_valid(&self, conn: &mut Self::Connection) -> Result<(), Self::Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conn`
[INFO] [stdout]   --> src/lib.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn has_broken(&self, conn: &mut Self::Connection) -> bool {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r2d2_gluster` due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb.r2d2_gluster.23f401ad-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb.r2d2_gluster.23f401ad-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb.r2d2_gluster.23f401ad-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb.r2d2_gluster.23f401ad-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb.r2d2_gluster.23f401ad-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb.r2d2_gluster.23f401ad-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb.r2d2_gluster.23f401ad-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb.r2d2_gluster.23f401ad-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb.240p35e7jqnh5go6.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-ae0b9de85e81d76f.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-dd17e7b765638f54.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-e55ce254123a1c62.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-c91921c83bf98d74.rlib" "/opt/rustwide/target/debug/deps/libr2d2-9ce8866ad42cdf67.rlib" "/opt/rustwide/target/debug/deps/libscheduled_thread_pool-6b8dc873c083c5a9.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-555219cb62de9d4a.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-f8def9a556dfb82c.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-46660b7d4a5aba2b.rlib" "/opt/rustwide/target/debug/deps/liblock_api-f5275ca3ff8e0794.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-a57a6a52cef5676e.rlib" "/opt/rustwide/target/debug/deps/libinstant-79c83d59d4486894.rlib" "/opt/rustwide/target/debug/deps/libgfapi_sys-f7798a4a96919c59.rlib" "/opt/rustwide/target/debug/deps/libuuid-159ef843a259e542.rlib" "/opt/rustwide/target/debug/deps/liblog-8baeb7cea712979c.rlib" "/opt/rustwide/target/debug/deps/liblog-7914ddd45155fdc8.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-dece450273084492.rlib" "/opt/rustwide/target/debug/deps/liberrno-449db63de1783879.rlib" "/opt/rustwide/target/debug/deps/liblibc-7085dace614ae946.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lgfapi" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/r2d2_gluster-b7ccde9ac70e6dcb" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lgfapi
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58803f5a5b4252186acf3697774768bec5e6ec0e2e97532892aae06bcc8ccfc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58803f5a5b4252186acf3697774768bec5e6ec0e2e97532892aae06bcc8ccfc6", kill_on_drop: false }`
[INFO] [stdout] 58803f5a5b4252186acf3697774768bec5e6ec0e2e97532892aae06bcc8ccfc6