[INFO] fetching crate vfsops 0.1.1...
[INFO] testing vfsops-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate vfsops 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vfsops 0.1.1 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 vfsops 0.1.1
[INFO] finished tweaking crates.io crate vfsops 0.1.1
[INFO] tweaked toml for crates.io crate vfsops 0.1.1 written to /workspace/builds/worker-4/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kstat v0.1.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8e40d0560842f86922ee0339c862782ad9aead14765f3b3d8fb448b08a8cb01b
[INFO] running `"docker" "start" "-a" "8e40d0560842f86922ee0339c862782ad9aead14765f3b3d8fb448b08a8cb01b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling kstat v0.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling vfsops v0.1.1 (/opt/rustwide/workdir)
[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/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.vfsops.62vkpgph-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d" "/opt/rustwide/target/debug/deps/vfsops-26222b76fafb2f9d.5fh5bou5x0rezupu.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" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libkstat-36b8e59830498ae7.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-78580fbf595daae7.rlib" "/opt/rustwide/target/debug/deps/libclap-7405bb46f1060ba2.rlib" "/opt/rustwide/target/debug/deps/libvec_map-2ea354767dfdcf76.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-7ce917c1e40e3b24.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-f2de9f6717fae86f.rlib" "/opt/rustwide/target/debug/deps/libstrsim-7ef4ee0940d816f7.rlib" "/opt/rustwide/target/debug/deps/libbitflags-a637fa8d282392d5.rlib" "/opt/rustwide/target/debug/deps/libatty-732074f349571b64.rlib" "/opt/rustwide/target/debug/deps/liblibc-2e17c5c99334ee98.rlib" "/opt/rustwide/target/debug/deps/libansi_term-5f50d48905eb9d7a.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" "-lkstat" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lkstat
[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 `vfsops`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8e40d0560842f86922ee0339c862782ad9aead14765f3b3d8fb448b08a8cb01b"`
[INFO] running `"docker" "rm" "-f" "8e40d0560842f86922ee0339c862782ad9aead14765f3b3d8fb448b08a8cb01b"`
[INFO] [stdout] 8e40d0560842f86922ee0339c862782ad9aead14765f3b3d8fb448b08a8cb01b