[INFO] crate librsync-ffi 0.1.0 is already in cache
[INFO] testing librsync-ffi-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate librsync-ffi 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate librsync-ffi 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate librsync-ffi 0.1.0
[INFO] finished tweaking crates.io crate librsync-ffi 0.1.0
[INFO] tweaked toml for crates.io crate librsync-ffi 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58802cfeab21b0e908612ce0c3e3ddbc44e3d240e03da1a1b01c0747b3f3790e
[INFO] running `"docker" "start" "-a" "58802cfeab21b0e908612ce0c3e3ddbc44e3d240e03da1a1b01c0747b3f3790e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling librsync-ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file/patch.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         file.write_all(delta.borrow().into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file/patch.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     file.read_to_end(&mut output);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "58802cfeab21b0e908612ce0c3e3ddbc44e3d240e03da1a1b01c0747b3f3790e"`
[INFO] running `"docker" "rm" "-f" "58802cfeab21b0e908612ce0c3e3ddbc44e3d240e03da1a1b01c0747b3f3790e"`
[INFO] [stdout] 58802cfeab21b0e908612ce0c3e3ddbc44e3d240e03da1a1b01c0747b3f3790e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b0d6a1ba5eb88c1d43965f959017599a1a04755fc3d107a979caa7b9c04e051
[INFO] running `"docker" "start" "-a" "3b0d6a1ba5eb88c1d43965f959017599a1a04755fc3d107a979caa7b9c04e051"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling librsync-ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file/patch.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         file.write_all(delta.borrow().into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file/patch.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     file.read_to_end(&mut output);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file/patch.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         file.write_all(delta.borrow().into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/file/patch.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     file.read_to_end(&mut output);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.librsync_ffi.d8iy7yq5-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca" "/opt/rustwide/target/debug/deps/librsync_ffi-69fa2446e3b41eca.2n1igt4ln3ut6wwa.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lrsync" "-lrsync" "-lrsync" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-0a07979da1fa7aa2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-171ede43b21d034c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-ea69ac8b5a0936d1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-6be6d4d5d08eb152.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-c718480fe68c7cec.rlib" "/opt/rustwide/target/debug/deps/libtempfile-f9811910d52ec4ea.rlib" "/opt/rustwide/target/debug/deps/librand-0bd510cc29def9c8.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-cbc353f939835b14.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-89ee3c0039048a85.rlib" "/opt/rustwide/target/debug/deps/librand_core-60ac4ba9e620f645.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-69c095bce0e5b2ab.rlib" "/opt/rustwide/target/debug/deps/libremove_dir_all-22b0b4e808fb54a1.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-0d7329a98a9ffead.rlib" "/opt/rustwide/target/debug/deps/liblibc-2e17c5c99334ee98.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lrsync
[INFO] [stderr]           /usr/bin/ld: cannot find -lrsync
[INFO] [stderr]           /usr/bin/ld: cannot find -lrsync
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `librsync-ffi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3b0d6a1ba5eb88c1d43965f959017599a1a04755fc3d107a979caa7b9c04e051"`
[INFO] running `"docker" "rm" "-f" "3b0d6a1ba5eb88c1d43965f959017599a1a04755fc3d107a979caa7b9c04e051"`
[INFO] [stdout] 3b0d6a1ba5eb88c1d43965f959017599a1a04755fc3d107a979caa7b9c04e051