[INFO] fetching crate verne 0.1.0...
[INFO] testing verne-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate verne 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate verne 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate verne 0.1.0
[INFO] finished tweaking crates.io crate verne 0.1.0
[INFO] tweaked toml for crates.io crate verne 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] 425ff4f5edebe47594c6ce5000ba1426bb50c9c2394098720abc30b650cb0610
[INFO] running `"docker" "start" "-a" "425ff4f5edebe47594c6ce5000ba1426bb50c9c2394098720abc30b650cb0610"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling virt v0.2.11
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling verne v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `vcpus`
[INFO] [stderr]   --> src/libvirt.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |                  ref vcpus,
[INFO] [stderr]    |                  ^^^^^^^^^ help: try ignoring the field: `vcpus: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory`
[INFO] [stderr]   --> src/libvirt.rs:55:18
[INFO] [stderr]    |
[INFO] [stderr] 55 |                  ref memory,
[INFO] [stderr]    |                  ^^^^^^^^^^ help: try ignoring the field: `memory: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/libvirt.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 dom.destroy();
[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/libvirt.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     dom.undefine();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/libvirt.rs:128:17
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 dom.free();
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[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/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.verne.3d7bpff3-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c" "/opt/rustwide/target/debug/deps/verne-580c2ca932758f6c.596w9edtkhxhbf83.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libverne-6e888aa1dac76003.rlib" "/opt/rustwide/target/debug/deps/libvirt-0084c0810025ca30.rlib" "/opt/rustwide/target/debug/deps/liblibc-e4dfce483ea4fe1d.rlib" "/opt/rustwide/target/debug/deps/libyaml_rust-a0ff966748eba4bd.rlib" "/opt/rustwide/target/debug/deps/libgetopts-a5316197925d8f3d.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-58fb194c691b26f1.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-468e1e4fbedf3703.rlib" "/opt/rustwide/target/debug/deps/libregex-f0dd4047126543a0.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-efdccccc1241ad60.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-01b1f8952289f502.rlib" "/opt/rustwide/target/debug/deps/libucd_util-a3c699e8ab929e79.rlib" "/opt/rustwide/target/debug/deps/libthread_local-88e268f569b6f304.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-807f2c476a0e6b86.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-af14160069ed3942.rlib" "/opt/rustwide/target/debug/deps/libmemchr-6ff793571a77737d.rlib" "/opt/rustwide/target/debug/deps/liblog-83b89ced7bde429d.rlib" "/opt/rustwide/target/debug/deps/liblog-7d3993e8061c37ae.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-c207894dabf2ad2d.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lvirt" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[INFO] [stderr]           /usr/bin/ld: cannot find -lvirt
[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 `verne`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "425ff4f5edebe47594c6ce5000ba1426bb50c9c2394098720abc30b650cb0610"`
[INFO] running `"docker" "rm" "-f" "425ff4f5edebe47594c6ce5000ba1426bb50c9c2394098720abc30b650cb0610"`
[INFO] [stdout] 425ff4f5edebe47594c6ce5000ba1426bb50c9c2394098720abc30b650cb0610