[INFO] fetching crate librsync-ffi 0.1.0...
[INFO] testing librsync-ffi-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate librsync-ffi 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate librsync-ffi 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80cb02502b783f9609543c37ec0b682d5cd16be899a0addffc425154ba65e7b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80cb02502b783f9609543c37ec0b682d5cd16be899a0addffc425154ba65e7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80cb02502b783f9609543c37ec0b682d5cd16be899a0addffc425154ba65e7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80cb02502b783f9609543c37ec0b682d5cd16be899a0addffc425154ba65e7b7", kill_on_drop: false }`
[INFO] [stdout] 80cb02502b783f9609543c37ec0b682d5cd16be899a0addffc425154ba65e7b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d2fb372c4ed42547c36b0f6fa2e9e43b1fd17cd3433ce801a6f36c944ed04e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d2fb372c4ed42547c36b0f6fa2e9e43b1fd17cd3433ce801a6f36c944ed04e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling librsync-ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/file/patch.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         file.write_all(delta.borrow().into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/file/patch.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     file.read_to_end(&mut output);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "2d2fb372c4ed42547c36b0f6fa2e9e43b1fd17cd3433ce801a6f36c944ed04e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2fb372c4ed42547c36b0f6fa2e9e43b1fd17cd3433ce801a6f36c944ed04e4", kill_on_drop: false }`
[INFO] [stdout] 2d2fb372c4ed42547c36b0f6fa2e9e43b1fd17cd3433ce801a6f36c944ed04e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62ff1fdc4c2c247619be65e447fc7c24f1f986fc3b536290d0abec0bfe67500a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "62ff1fdc4c2c247619be65e447fc7c24f1f986fc3b536290d0abec0bfe67500a", kill_on_drop: false }`
[INFO] [stderr]    Compiling librsync-ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/file/patch.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         file.write_all(delta.borrow().into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/file/patch.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     file.read_to_end(&mut output);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/file/patch.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         file.write_all(delta.borrow().into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/file/patch.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     file.read_to_end(&mut output);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.librsync_ffi.1hjsag8i-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478" "/opt/rustwide/target/debug/deps/librsync_ffi-5549ce0c28e76478.gb7mimxnsp0b8o7.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lrsync" "-lrsync" "-lrsync" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-1a99bd050f5bcac9.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-c3c443d72de8b429.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-8b34c4c4a224fb59.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-b247e4f3706e4767.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-45a697d9a5a880a0.rlib" "/opt/rustwide/target/debug/deps/libtempfile-af13a32c4578ba4b.rlib" "/opt/rustwide/target/debug/deps/librand-ca231ed64fc376a5.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-f939acb107f577cf.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-48425f9dcdfe62c1.rlib" "/opt/rustwide/target/debug/deps/librand_core-0bb7b65e604f9369.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-3859998f6dee7ae9.rlib" "/opt/rustwide/target/debug/deps/libremove_dir_all-c2d2c203e7259fe3.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d2033c938d1688fd.rlib" "/opt/rustwide/target/debug/deps/liblibc-0a43f320b0d2a047.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lrsync
[INFO] [stdout]           /usr/bin/ld: cannot find -lrsync
[INFO] [stdout]           /usr/bin/ld: cannot find -lrsync
[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] [stderr] error: could not compile `librsync-ffi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "62ff1fdc4c2c247619be65e447fc7c24f1f986fc3b536290d0abec0bfe67500a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ff1fdc4c2c247619be65e447fc7c24f1f986fc3b536290d0abec0bfe67500a", kill_on_drop: false }`
[INFO] [stdout] 62ff1fdc4c2c247619be65e447fc7c24f1f986fc3b536290d0abec0bfe67500a
