[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#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpapertigers%2Fvfsops" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/papertigers/vfsops on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 7885b35a72e84801f54c2284ca032a05e1945c44652dedc951de1de890e484c3
[INFO] running `Command { std: "docker" "start" "-a" "7885b35a72e84801f54c2284ca032a05e1945c44652dedc951de1de890e484c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7885b35a72e84801f54c2284ca032a05e1945c44652dedc951de1de890e484c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7885b35a72e84801f54c2284ca032a05e1945c44652dedc951de1de890e484c3", kill_on_drop: false }`
[INFO] [stdout] 7885b35a72e84801f54c2284ca032a05e1945c44652dedc951de1de890e484c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c256ac5d128e61e8465419357114bdab6e068ed7b8999ddf33bd27a028374ec4
[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" "c256ac5d128e61e8465419357114bdab6e068ed7b8999ddf33bd27a028374ec4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling kstat v0.1.0
[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" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.vfsops.dbc943e0-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4.2udyccd6orfrief1.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libkstat-64510a8caf54ebb0.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-1c467fd3cc6a12f3.rlib" "/opt/rustwide/target/debug/deps/libclap-2623bb967b36ee80.rlib" "/opt/rustwide/target/debug/deps/libvec_map-6dd515bac74e9212.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-8fbf541470ef55ec.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-d258e95b9deb3cd8.rlib" "/opt/rustwide/target/debug/deps/libstrsim-c956f928dab82a0d.rlib" "/opt/rustwide/target/debug/deps/libbitflags-44f48aca50656082.rlib" "/opt/rustwide/target/debug/deps/libatty-ab4a60ac8ef07c80.rlib" "/opt/rustwide/target/debug/deps/liblibc-74da5a9f9d2078bb.rlib" "/opt/rustwide/target/debug/deps/libansi_term-bd7b8ca88b2cc3f8.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-lkstat" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/vfsops-281f1795a35e09a4" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[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" "c256ac5d128e61e8465419357114bdab6e068ed7b8999ddf33bd27a028374ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c256ac5d128e61e8465419357114bdab6e068ed7b8999ddf33bd27a028374ec4", kill_on_drop: false }`
[INFO] [stdout] c256ac5d128e61e8465419357114bdab6e068ed7b8999ddf33bd27a028374ec4