[INFO] cloning repository https://github.com/papertigers/vfsops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/papertigers/vfsops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Fvfsops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Fvfsops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bec397027d8c3dfb521d3255c54b7e41f0ec778f
[INFO] testing papertigers/vfsops against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Fvfsops" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/papertigers/vfsops on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/papertigers/vfsops
[INFO] finished tweaking git repo https://github.com/papertigers/vfsops
[INFO] tweaked toml for git repo https://github.com/papertigers/vfsops written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/papertigers/vfsops already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8133b45fa9978c228410a69a187523bbe0c4c080cd640c2e0ce72de82a503568
[INFO] running `Command { std: "docker" "start" "-a" "8133b45fa9978c228410a69a187523bbe0c4c080cd640c2e0ce72de82a503568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8133b45fa9978c228410a69a187523bbe0c4c080cd640c2e0ce72de82a503568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8133b45fa9978c228410a69a187523bbe0c4c080cd640c2e0ce72de82a503568", kill_on_drop: false }`
[INFO] [stdout] 8133b45fa9978c228410a69a187523bbe0c4c080cd640c2e0ce72de82a503568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3490ac2bc1b84c876a7a92e08b4f39dbfb24e5469b290a5cbb7d2bce9de9636
[INFO] running `Command { std: "docker" "start" "-a" "a3490ac2bc1b84c876a7a92e08b4f39dbfb24e5469b290a5cbb7d2bce9de9636", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling kstat v0.1.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling vfsops v0.1.1 (/opt/rustwide/workdir)
[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/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.vfsops.9vp9qw7o-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce" "/opt/rustwide/target/debug/deps/vfsops-4d632911540ebfce.s88t5b49mweu8aa.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libkstat-5279064a96895962.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f2e0ef059a40c69d.rlib" "/opt/rustwide/target/debug/deps/libclap-70376cd50c0d12ef.rlib" "/opt/rustwide/target/debug/deps/libvec_map-08722e269333ade1.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-e622ceea45c6fe25.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-e988f03b9c2da313.rlib" "/opt/rustwide/target/debug/deps/libstrsim-e85464cb9a3a7bb5.rlib" "/opt/rustwide/target/debug/deps/libbitflags-bc3933a0c5f4996c.rlib" "/opt/rustwide/target/debug/deps/libatty-89bee4adbbc59eff.rlib" "/opt/rustwide/target/debug/deps/liblibc-6c9ba1b157ed4856.rlib" "/opt/rustwide/target/debug/deps/libansi_term-5e807deedeef1036.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.rlib" "-Wl,-Bdynamic" "-lkstat" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lkstat
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vfsops`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a3490ac2bc1b84c876a7a92e08b4f39dbfb24e5469b290a5cbb7d2bce9de9636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3490ac2bc1b84c876a7a92e08b4f39dbfb24e5469b290a5cbb7d2bce9de9636", kill_on_drop: false }`
[INFO] [stdout] a3490ac2bc1b84c876a7a92e08b4f39dbfb24e5469b290a5cbb7d2bce9de9636