[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Fvfsops" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/papertigers/vfsops on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kstat v0.1.0
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64a5ba262090a5115a9c8aabf70ddf4305272deeec1b915c198a5523ca5bea27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64a5ba262090a5115a9c8aabf70ddf4305272deeec1b915c198a5523ca5bea27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a5ba262090a5115a9c8aabf70ddf4305272deeec1b915c198a5523ca5bea27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a5ba262090a5115a9c8aabf70ddf4305272deeec1b915c198a5523ca5bea27", kill_on_drop: false }`
[INFO] [stdout] 64a5ba262090a5115a9c8aabf70ddf4305272deeec1b915c198a5523ca5bea27
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8891fda9c12a9ef165bc4c40c4d1dce9bc2f03766fb2ae1cc4b172c5bf14361e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8891fda9c12a9ef165bc4c40c4d1dce9bc2f03766fb2ae1cc4b172c5bf14361e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling byteorder v1.2.7
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.vfsops.8bmzo3aj-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192" "/opt/rustwide/target/debug/deps/vfsops-cfd76dd5e9d0c192.29d6mibwlwu3nz6.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libkstat-73f885019c2ea4db.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-c96334850bb98647.rlib" "/opt/rustwide/target/debug/deps/libclap-bc389604a451b0a4.rlib" "/opt/rustwide/target/debug/deps/libvec_map-1b378012469a33f8.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-5eaed92efbefe3dd.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-d569fa77ffe46f20.rlib" "/opt/rustwide/target/debug/deps/libstrsim-13e4fe9f4423e3e3.rlib" "/opt/rustwide/target/debug/deps/libbitflags-44e95351d5c34c9b.rlib" "/opt/rustwide/target/debug/deps/libatty-6cfef06cb6222cc2.rlib" "/opt/rustwide/target/debug/deps/liblibc-981b8f56645ced90.rlib" "/opt/rustwide/target/debug/deps/libansi_term-b7c7e94976e9eae7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-21256c14e4504640.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-986e7fea4474d4d2.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-91d85f45babdb06e.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-756509c31813f9a6.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5c2ef587e740c0cc.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-ad8f9371d31db1b3.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-402820fb3b4d3dd8.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-5e8e903f07dc8747.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7ab9ae5080c07187.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-c8e8d47c6bf14de2.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5a02dbb58abd015a.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cedc8fec61444895.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1c96351c52bc56a.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e41c6d24baeb2249.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-62493b241881590c.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a1fd7734706d5518.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1eec8756baa5bc24.rlib" "-Wl,-Bdynamic" "-lkstat" "-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" "8891fda9c12a9ef165bc4c40c4d1dce9bc2f03766fb2ae1cc4b172c5bf14361e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8891fda9c12a9ef165bc4c40c4d1dce9bc2f03766fb2ae1cc4b172c5bf14361e", kill_on_drop: false }`
[INFO] [stdout] 8891fda9c12a9ef165bc4c40c4d1dce9bc2f03766fb2ae1cc4b172c5bf14361e