[INFO] fetching crate cargo-xbuild 0.6.2...
[INFO] testing cargo-xbuild-0.6.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate cargo-xbuild 0.6.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cargo-xbuild 0.6.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-xbuild 0.6.2
[INFO] finished tweaking crates.io crate cargo-xbuild 0.6.2
[INFO] tweaked toml for crates.io crate cargo-xbuild 0.6.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate cargo-xbuild 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7688467972b13f6b99d01caf0142b5210ce5cea6921c1f943070ef9950951461
[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" "7688467972b13f6b99d01caf0142b5210ce5cea6921c1f943070ef9950951461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7688467972b13f6b99d01caf0142b5210ce5cea6921c1f943070ef9950951461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7688467972b13f6b99d01caf0142b5210ce5cea6921c1f943070ef9950951461", kill_on_drop: false }`
[INFO] [stdout] 7688467972b13f6b99d01caf0142b5210ce5cea6921c1f943070ef9950951461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a3712c2c7a1000c631373ff24ee00222b6a75f833692ca2ab250c0558521592
[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" "9a3712c2c7a1000c631373ff24ee00222b6a75f833692ca2ab250c0558521592", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling cargo-xbuild v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cargo_metadata v0.9.1
[INFO] [stderr] error: could not compile `cargo-xbuild`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cargo_xtest src/bin/cargo-xtest.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=a7d3ceeeba9edd75 -C extra-filename=-a7d3ceeeba9edd75 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern xargo_lib=/opt/rustwide/target/debug/deps/libxargo_lib-46a7d676a4b1410e.rlib --extern cargo_metadata=/opt/rustwide/target/debug/deps/libcargo_metadata-ada57f4e0076555b.rlib --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-333818751ba3cecb.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-feb546ad79697380.rlib --extern rustc_version=/opt/rustwide/target/debug/deps/librustc_version-ad7fc3fb2efdb24a.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-134c6a8fbf2513b0.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-72ae879bccc41052.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9fcbf2cb6bde111a.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-2d1f6ac86b91cb3b.rlib --extern toml=/opt/rustwide/target/debug/deps/libtoml-8c3abc8194f765e0.rlib --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-8ef38a0e4b10736f.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: signal: 9
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/cargo_xdoc-41f87d93e51bd1f3.cargo_xdoc.83z1eo5k-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cargo_xdoc-41f87d93e51bd1f3.cargo_xdoc.83z1eo5k-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cargo_xdoc-41f87d93e51bd1f3.cargo_xdoc.83z1eo5k-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cargo_xdoc-41f87d93e51bd1f3.cargo_xdoc.83z1eo5k-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/cargo_xdoc-41f87d93e51bd1f3.cargo_xdoc.83z1eo5k-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/cargo_xdoc-41f87d93e51bd1f3.cargo_xdoc.83z1eo5k-cgu.5.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/cargo_xdoc-41f87d93e51bd1f3" "/opt/rustwide/target/debug/deps/cargo_xdoc-41f87d93e51bd1f3.3qc5j929avajcjyy.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libxargo_lib-46a7d676a4b1410e.rlib" "/opt/rustwide/target/debug/deps/libwalkdir-8ef38a0e4b10736f.rlib" "/opt/rustwide/target/debug/deps/libsame_file-af3a4c01f774075c.rlib" "/opt/rustwide/target/debug/deps/libtoml-8c3abc8194f765e0.rlib" "/opt/rustwide/target/debug/deps/libtempfile-2d1f6ac86b91cb3b.rlib" "/opt/rustwide/target/debug/deps/librand-fb943c8352048b31.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-aa870bb220013da6.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-170c4fd0b2d212af.rlib" "/opt/rustwide/target/debug/deps/librand_core-3ef45092b30987bb.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-8d8c69e53564fb8c.rlib" "/opt/rustwide/target/debug/deps/libremove_dir_all-71a8a69f23812c7e.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib" "/opt/rustwide/target/debug/deps/librustc_version-ad7fc3fb2efdb24a.rlib" "/opt/rustwide/target/debug/deps/liblibc-feb546ad79697380.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-333818751ba3cecb.rlib" "/opt/rustwide/target/debug/deps/libcargo_metadata-ada57f4e0076555b.rlib" "/opt/rustwide/target/debug/deps/libserde_json-9fcbf2cb6bde111a.rlib" "/opt/rustwide/target/debug/deps/libryu-09efcdfca7c9a68a.rlib" "/opt/rustwide/target/debug/deps/libitoa-cf492a3e0e3a4d81.rlib" "/opt/rustwide/target/debug/deps/libsemver-394fbe04e1c3c255.rlib" "/opt/rustwide/target/debug/deps/libserde-134c6a8fbf2513b0.rlib" "/opt/rustwide/target/debug/deps/libsemver_parser-78bc40959008afe8.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9a3712c2c7a1000c631373ff24ee00222b6a75f833692ca2ab250c0558521592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3712c2c7a1000c631373ff24ee00222b6a75f833692ca2ab250c0558521592", kill_on_drop: false }`
[INFO] [stdout] 9a3712c2c7a1000c631373ff24ee00222b6a75f833692ca2ab250c0558521592
