[INFO] updating cached repository https://github.com/mozamimy/repro-sass-sys-build-failure
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e609e9dfa9f40f192092820fa4ea327827543aff
[INFO] checking mozamimy/repro-sass-sys-build-failure against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozamimy%2Frepro-sass-sys-build-failure" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozamimy/repro-sass-sys-build-failure on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mozamimy/repro-sass-sys-build-failure
[INFO] finished tweaking git repo https://github.com/mozamimy/repro-sass-sys-build-failure
[INFO] tweaked toml for git repo https://github.com/mozamimy/repro-sass-sys-build-failure written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mozamimy/repro-sass-sys-build-failure already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cbcde62e26e9199748ccd79b6c341ae3ce6ffc5b9dce2fb4968494886eac1d6a
[INFO] running `"docker" "start" "-a" "cbcde62e26e9199748ccd79b6c341ae3ce6ffc5b9dce2fb4968494886eac1d6a"`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling sass-sys v0.4.8 (https://github.com/mozamimy/sass-rs.git?branch=debug-cpu-num#c6dd9551)
[INFO] [stderr] error: failed to run custom build command for `sass-sys v0.4.8 (https://github.com/mozamimy/sass-rs.git?branch=debug-cpu-num#c6dd9551)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/sass-sys-26a296bf400f4c34/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] DEBUG: jobs = 8
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Build error:
[INFO] [stderr] STDERR:g++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make: *** [src/functions.o] Error 4
[INFO] [stderr] make: *** Waiting for unfinished jobs....
[INFO] [stderr] g++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] Please submit a full bug report,
[INFO] [stderr] with preprocessed source if appropriate.
[INFO] [stderr] See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
[INFO] [stderr] make: *** [src/ast.o] Error 4
[INFO] [stderr] 
[INFO] [stderr] STDOUT:mkdir lib
[INFO] [stderr] cc -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/cencode.o src/cencode.c
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/ast.o src/ast.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/node.o src/node.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/context.o src/context.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/constants.o src/constants.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/functions.o src/functions.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/color_maps.o src/color_maps.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/environment.o src/environment.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/ast_fwd_decl.o src/ast_fwd_decl.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/bind.o src/bind.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/file.o src/file.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/util.o src/util.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/json.o src/json.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/units.o src/units.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/values.o src/values.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/plugins.o src/plugins.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/position.o src/position.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/lexer.o src/lexer.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/parser.o src/parser.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/prelexer.o src/prelexer.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/eval.o src/eval.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/expand.o src/expand.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/listize.o src/listize.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/cssize.o src/cssize.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/extend.o src/extend.cpp
[INFO] [stderr] g++ -Wall -O2 -DLIBSASS_VERSION="\"3.5.5\"" -std=c++0x -I /opt/rustwide/target/debug/build/sass-sys-d45bef036a0e7943/out/build/include -fPIC -fPIC -c -o src/output.o src/output.cpp
[INFO] [stderr] Makefile:249: recipe for target 'src/functions.o' failed
[INFO] [stderr] Makefile:249: recipe for target 'src/ast.o' failed
[INFO] [stderr] ', /opt/rustwide/cargo-home/git/checkouts/sass-rs-cad8e066ed7f6678/c6dd955/sass-sys/build.rs:83:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56377020cb44 - backtrace::backtrace::libunwind::trace::h6f1fdce296b4568c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x56377020cb44 - backtrace::backtrace::trace_unsynchronized::h0824f4cb76b782a8
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x56377020cb44 - std::sys_common::backtrace::_print_fmt::hc9ad027a2ec1d486
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x56377020cb44 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc92f9fae3f41d466
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x563770231a6c - core::fmt::write::h6e3f1a0635b4e386
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x563770209ab3 - std::io::Write::write_fmt::he392f419b7f87fef
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x56377020f195 - std::sys_common::backtrace::_print::hf2161343b596ab76
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x56377020f195 - std::sys_common::backtrace::print::hcbfa657355778d58
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x56377020f195 - std::panicking::default_hook::{{closure}}::he53abf341150e4be
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x56377020eed2 - std::panicking::default_hook::hbca798dce458d477
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x56377020f7a2 - std::panicking::rust_panic_with_hook::h8cc81269affb1635
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x56377020f38b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x56377020f2fb - std::panicking::begin_panic_fmt::hc92325627f8d9407
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   13:     0x5637701cd59f - build_script_build::compile::hd011c67829320d5e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/sass-rs-cad8e066ed7f6678/c6dd955/sass-sys/build.rs:83
[INFO] [stderr]   14:     0x5637701cda80 - build_script_build::main::h7ac0d3396fdc220a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/sass-rs-cad8e066ed7f6678/c6dd955/sass-sys/build.rs:168
[INFO] [stderr]   15:     0x5637701ce90b - std::rt::lang_start::{{closure}}::h87f62ccfa89b1065
[INFO] [stderr]                                at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libstd/rt.rs:67
[INFO] [stderr]   16:     0x56377020fbe8 - std::rt::lang_start_internal::{{closure}}::h1e37a448ebe88799
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   17:     0x56377020fbe8 - std::panicking::try::do_call::h0e616054d2c64056
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   18:     0x56377020fbe8 - std::panicking::try::h1265f7ff6bd115c4
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   19:     0x56377020fbe8 - std::panic::catch_unwind::h3aec84c4d67bf08d
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x56377020fbe8 - std::rt::lang_start_internal::h71f12b7d78e58cce
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   21:     0x5637701ce8e7 - std::rt::lang_start::hf05520a1a464d2a5
[INFO] [stderr]                                at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libstd/rt.rs:67
[INFO] [stderr]   22:     0x5637701cdaba - main
[INFO] [stderr]   23:     0x7f697dc66b97 - __libc_start_main
[INFO] [stderr]   24:     0x5637701cba4a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "cbcde62e26e9199748ccd79b6c341ae3ce6ffc5b9dce2fb4968494886eac1d6a"`
[INFO] running `"docker" "rm" "-f" "cbcde62e26e9199748ccd79b6c341ae3ce6ffc5b9dce2fb4968494886eac1d6a"`
[INFO] [stdout] cbcde62e26e9199748ccd79b6c341ae3ce6ffc5b9dce2fb4968494886eac1d6a