[INFO] fetching crate sass-sys 0.4.22...
[INFO] documenting sass-sys-0.4.22 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate sass-sys 0.4.22 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sass-sys 0.4.22 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sass-sys 0.4.22
[INFO] finished tweaking crates.io crate sass-sys 0.4.22
[INFO] tweaked toml for crates.io crate sass-sys 0.4.22 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acfeea457cb4ceae6ffe802e6776170a6a99b720748728ec7a8b3855fb3cb0c7
[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" "acfeea457cb4ceae6ffe802e6776170a6a99b720748728ec7a8b3855fb3cb0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acfeea457cb4ceae6ffe802e6776170a6a99b720748728ec7a8b3855fb3cb0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfeea457cb4ceae6ffe802e6776170a6a99b720748728ec7a8b3855fb3cb0c7", kill_on_drop: false }`
[INFO] [stdout] acfeea457cb4ceae6ffe802e6776170a6a99b720748728ec7a8b3855fb3cb0c7
[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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a66e85009606b1382a4ec6d590b32f0e6f7a913030ec98f7fc89c42720bb8cc
[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" "7a66e85009606b1382a4ec6d590b32f0e6f7a913030ec98f7fc89c42720bb8cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling sass-sys v0.4.22 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `sass-sys v0.4.22 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/sass-sys-4c239f6903685ae8/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBSASS_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBSASS_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBSASS_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Build error:
[INFO] [stderr]   STDERR:g++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make: *** [Makefile:228: src/ast.o] Error 1
[INFO] [stderr]   make: *** Waiting for unfinished jobs....
[INFO] [stderr]   g++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make: *** [Makefile:228: src/ast_values.o] Error 1
[INFO] [stderr]   g++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make: *** [Makefile:228: src/ast_sel_weave.o] Error 1
[INFO] [stderr]   g++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make: *** [Makefile:228: src/fn_colors.o] Error 1
[INFO] [stderr]   g++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make: *** [Makefile:228: src/fn_lists.o] Error 1
[INFO] [stderr]   g++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make: *** [Makefile:228: src/fn_numbers.o] Error 1
[INFO] [stderr]   g++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   make: *** [Makefile:228: src/ast_selectors.o] Error 1
[INFO] [stderr] 
[INFO] [stderr]   STDOUT:cc -Wall -O2 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/cencode.o src/cencode.c
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/ast.o src/ast.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/ast_values.o src/ast_values.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/ast_supports.o src/ast_supports.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/ast_sel_cmp.o src/ast_sel_cmp.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/ast_sel_unify.o src/ast_sel_unify.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/ast_sel_super.o src/ast_sel_super.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/ast_sel_weave.o src/ast_sel_weave.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/ast_selectors.o src/ast_selectors.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/context.o src/context.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/constants.o src/constants.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/fn_utils.o src/fn_utils.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/fn_miscs.o src/fn_miscs.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/fn_maps.o src/fn_maps.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/fn_lists.o src/fn_lists.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/fn_colors.o src/fn_colors.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/fn_numbers.o src/fn_numbers.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/fn_strings.o src/fn_strings.cpp
[INFO] [stderr]   g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-2393a2f7d0bfbdf6/out/build/include  -fPIC -c -o src/fn_selectors.o src/fn_selectors.cpp
[INFO] [stderr]   ', build.rs:107:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55ab6d60f210 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55ab6d60f210 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ab6d60f210 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55ab6d60f210 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55ab6d62dfcc - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55ab6d60c505 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x55ab6d61105b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55ab6d61105b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55ab6d61105b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55ab6d610b31 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55ab6d611724 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55ab6d611207 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55ab6d60f70c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55ab6d611169 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55ab6d5bac3b - std::panicking::begin_panic_fmt::h5479575e112541f8
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
[INFO] [stderr]     15:     0x55ab6d5bd63d - build_script_build::compile::hd19120ee5c87a1b3
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:107:9
[INFO] [stderr]     16:     0x55ab6d5bdcda - build_script_build::main::hb8bab1a047fded68
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:219:5
[INFO] [stderr]     17:     0x55ab6d5be5eb - core::ops::function::FnOnce::call_once::h572158f9ec561447
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x55ab6d5be4fe - std::sys_common::backtrace::__rust_begin_short_backtrace::hcb0c16816d87232a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x55ab6d5c0421 - std::rt::lang_start::{{closure}}::h07350dcbf17f1477
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     20:     0x55ab6d611c29 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x55ab6d611c29 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     22:     0x55ab6d611c29 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     23:     0x55ab6d611c29 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     24:     0x55ab6d611c29 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     25:     0x55ab6d5c0400 - std::rt::lang_start::h0a2ab0ee5e6802a7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     26:     0x55ab6d5bdd4c - main
[INFO] [stderr]     27:     0x7f8705ffc0b3 - __libc_start_main
[INFO] [stderr]     28:     0x55ab6d5bbade - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "7a66e85009606b1382a4ec6d590b32f0e6f7a913030ec98f7fc89c42720bb8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a66e85009606b1382a4ec6d590b32f0e6f7a913030ec98f7fc89c42720bb8cc", kill_on_drop: false }`
[INFO] [stdout] 7a66e85009606b1382a4ec6d590b32f0e6f7a913030ec98f7fc89c42720bb8cc
