[INFO] updating cached repository papertigers/vfsops
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/papertigers/vfsops
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/papertigers/vfsops" "work/ex/beta-1.38-1/sources/1.37.0/gh/papertigers/vfsops"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/papertigers/vfsops'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/papertigers/vfsops" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/papertigers/vfsops"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/papertigers/vfsops'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bec397027d8c3dfb521d3255c54b7e41f0ec778f
[INFO] sha for GitHub repo papertigers/vfsops: bec397027d8c3dfb521d3255c54b7e41f0ec778f
[INFO] validating manifest of papertigers/vfsops on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of papertigers/vfsops on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing papertigers/vfsops
[INFO] finished frobbing papertigers/vfsops
[INFO] frobbed toml for papertigers/vfsops written to work/ex/beta-1.38-1/sources/1.37.0/gh/papertigers/vfsops/Cargo.toml
[INFO] started frobbing papertigers/vfsops
[INFO] finished frobbing papertigers/vfsops
[INFO] frobbed toml for papertigers/vfsops written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/papertigers/vfsops/Cargo.toml
[INFO] crate papertigers/vfsops already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing papertigers/vfsops against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/papertigers/vfsops:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1d5647872d78c6173c2f0a3d3888072e927b3fdccea8077115cdba1390c9fc2f
[INFO] running `"docker" "start" "-a" "1d5647872d78c6173c2f0a3d3888072e927b3fdccea8077115cdba1390c9fc2f"`
[INFO] [stderr]    Compiling kstat v0.1.0
[INFO] [stderr]    Compiling vfsops v0.1.1 (/opt/crater/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/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.vfsops.ed9mcv5t-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870" "/opt/crater/target/debug/deps/vfsops-f7a68fc9871a9870.5ycl56qjkiuvqmz.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libkstat-422dab2f485d1ce8.rlib" "/opt/crater/target/debug/deps/libbyteorder-9c5019ad5864b905.rlib" "/opt/crater/target/debug/deps/libclap-d7af3598c1381972.rlib" "/opt/crater/target/debug/deps/libvec_map-d1ee0a45638c2bc7.rlib" "/opt/crater/target/debug/deps/libtextwrap-92be40a5376d416f.rlib" "/opt/crater/target/debug/deps/libunicode_width-854b98bbb65b7690.rlib" "/opt/crater/target/debug/deps/libstrsim-c714b4fac07361e2.rlib" "/opt/crater/target/debug/deps/libbitflags-031756039b29afaf.rlib" "/opt/crater/target/debug/deps/libatty-616566672d5f8d9e.rlib" "/opt/crater/target/debug/deps/liblibc-724ab7746a37ab24.rlib" "/opt/crater/target/debug/deps/libansi_term-ab3d266e25626249.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lkstat" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-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" "1d5647872d78c6173c2f0a3d3888072e927b3fdccea8077115cdba1390c9fc2f"`
[INFO] running `"docker" "rm" "-f" "1d5647872d78c6173c2f0a3d3888072e927b3fdccea8077115cdba1390c9fc2f"`
[INFO] [stdout] 1d5647872d78c6173c2f0a3d3888072e927b3fdccea8077115cdba1390c9fc2f