[INFO] fetching crate vfsops 0.1.1...
[INFO] testing vfsops-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate vfsops 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vfsops 0.1.1 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 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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b2d48820325d92b99d300afac9ed16f7bb3afbdab78c3f09b8f216cf271ba448
[INFO] running `"docker" "start" "-a" "b2d48820325d92b99d300afac9ed16f7bb3afbdab78c3f09b8f216cf271ba448"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling kstat v0.1.0
[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/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.vfsops.882dpc69-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68" "/opt/rustwide/target/debug/deps/vfsops-0addda963a523a68.4gin3a8jv56nnigz.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/libkstat-b72ba2bbb60bd284.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-5cddd3c0738b32cd.rlib" "/opt/rustwide/target/debug/deps/libclap-81413f07b1c7586f.rlib" "/opt/rustwide/target/debug/deps/libvec_map-974eb99206a6377c.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-5357795f41cdee73.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-58fb194c691b26f1.rlib" "/opt/rustwide/target/debug/deps/libstrsim-973ca7e6efba7d91.rlib" "/opt/rustwide/target/debug/deps/libbitflags-0bb1eb8c2caf8528.rlib" "/opt/rustwide/target/debug/deps/libatty-95e8b99d25a88bbd.rlib" "/opt/rustwide/target/debug/deps/liblibc-e4dfce483ea4fe1d.rlib" "/opt/rustwide/target/debug/deps/libansi_term-bf3fbdd21e4a8c77.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" "-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" "b2d48820325d92b99d300afac9ed16f7bb3afbdab78c3f09b8f216cf271ba448"`
[INFO] running `"docker" "rm" "-f" "b2d48820325d92b99d300afac9ed16f7bb3afbdab78c3f09b8f216cf271ba448"`
[INFO] [stdout] b2d48820325d92b99d300afac9ed16f7bb3afbdab78c3f09b8f216cf271ba448