[INFO] crate mkbook 0.3.0 is already in cache
[INFO] checking mkbook-0.3.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate mkbook 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mkbook 0.3.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mkbook 0.3.0
[INFO] finished tweaking crates.io crate mkbook 0.3.0
[INFO] tweaked toml for crates.io crate mkbook 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mkbook 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 223cce4ca6d2e62e8a00ee755e217660ae6038f08f34d689ec679e82434b512e
[INFO] running `"docker" "start" "-a" "223cce4ca6d2e62e8a00ee755e217660ae6038f08f34d689ec679e82434b512e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling sass-sys v0.4.15
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr] error: could not compile `pest_generator`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pest_generator /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pest_generator-2.1.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=18b06d40ec4f4195 -C extra-filename=-18b06d40ec4f4195 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern pest=/opt/rustwide/target/debug/deps/libpest-5e8525787c3f215a.rmeta --extern pest_meta=/opt/rustwide/target/debug/deps/libpest_meta-c9b0e576434bfd49.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0673db6f077fdc81.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d951543ab215a534.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-ca796a6301fd9e26.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `clap`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C debuginfo=2 --cfg 'feature="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=8eec15af094dadf0 -C extra-filename=-8eec15af094dadf0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-11307fe8071dbc35.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-27ac1ac80cc8c20d.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6dcc37a35a9a016a.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-6a43a1bb280bf8b7.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-f465be566957e9d6.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-700b51302d23644c.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-0aec23ad265ad503.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `clap`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=fc80300b1f7a2b75 -C extra-filename=-fc80300b1f7a2b75 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-78443026e8b0dd92.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-1f47d1c62cc0785e.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-4c86af4e45585b05.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-f5deb1bf006fd160.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-b6326c87c0da9941.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-9fa5073defaa7e7c.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-8cfd8ea7d3c73f87.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde_derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.103/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' -C metadata=4d052e45ba23d6a8 -C extra-filename=-4d052e45ba23d6a8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0673db6f077fdc81.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-d951543ab215a534.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-ca796a6301fd9e26.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `clang-sys`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clang_sys /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clang-sys-0.28.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clang_6_0"' --cfg 'feature="gte_clang_3_6"' --cfg 'feature="gte_clang_3_7"' --cfg 'feature="gte_clang_3_8"' --cfg 'feature="gte_clang_3_9"' --cfg 'feature="gte_clang_4_0"' --cfg 'feature="gte_clang_5_0"' --cfg 'feature="gte_clang_6_0"' --cfg 'feature="libloading"' --cfg 'feature="runtime"' -C metadata=c83a3fa0ffb4d84a -C extra-filename=-c83a3fa0ffb4d84a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern glob=/opt/rustwide/target/debug/deps/libglob-66543defa1d55128.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-06a07b6c2f0696a3.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-1ce26db11694a473.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/libloading-07cb042c308edbf9/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `sass-sys v0.4.15`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/sass-sys-126c13adfe5cc1ca/build-script-build` (exit code: 101)
[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/parser.o] Error 4
[INFO] [stderr] make: *** Waiting for unfinished jobs....
[INFO] [stderr] 
[INFO] [stderr] STDOUT:cc -Wall -O2 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/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-1514b69ae1f20069/out/build/include  -fPIC -c -o src/fn_selectors.o src/fn_selectors.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/color_maps.o src/color_maps.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/environment.o src/environment.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/ast_fwd_decl.o src/ast_fwd_decl.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/bind.o src/bind.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/file.o src/file.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/util.o src/util.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/util_string.o src/util_string.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/json.o src/json.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/units.o src/units.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/values.o src/values.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/plugins.o src/plugins.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/position.o src/position.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/lexer.o src/lexer.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/parser.o src/parser.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/parser_selectors.o src/parser_selectors.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/prelexer.o src/prelexer.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/eval.o src/eval.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/eval_selectors.o src/eval_selectors.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/expand.o src/expand.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/listize.o src/listize.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/cssize.o src/cssize.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/extender.o src/extender.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/extension.o src/extension.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/stylesheet.o src/stylesheet.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/output.o src/output.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/inspect.o src/inspect.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/emitter.o src/emitter.cpp
[INFO] [stderr] g++ -Wall -O2 -std=c++11 -I /opt/rustwide/target/debug/build/sass-sys-1514b69ae1f20069/out/build/include  -fPIC -c -o src/check_nesting.o src/check_nesting.cpp
[INFO] [stderr] Makefile:226: recipe for target 'src/parser.o' failed
[INFO] [stderr] ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sass-sys-0.4.15/build.rs:93:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55f6a36bfe54 - backtrace::backtrace::libunwind::trace::h9e598fcb10d5c4f5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55f6a36bfe54 - backtrace::backtrace::trace_unsynchronized::hbfbd58fbb4a2603e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55f6a36bfe54 - std::sys_common::backtrace::_print_fmt::hacb596a8013761df
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55f6a36bfe54 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha1ba73c9085723eb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55f6a36e4d8c - core::fmt::write::hb4ac1e8a8c800611
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55f6a36bcc73 - std::io::Write::write_fmt::ha413e6029f4d499f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x55f6a36c24a5 - std::sys_common::backtrace::_print::h5afa8b3832cd03b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55f6a36c24a5 - std::sys_common::backtrace::print::h49229e3486b70f83
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55f6a36c24a5 - std::panicking::default_hook::{{closure}}::hcfefd5f4943f3aa9
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55f6a36c21e2 - std::panicking::default_hook::h4c2b6d8d034c53de
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55f6a36c2ab2 - std::panicking::rust_panic_with_hook::hf8cee70c0118d2cc
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55f6a36c269b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55f6a36c260b - std::panicking::begin_panic_fmt::h58dd034954c7216c
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   13:     0x55f6a367dc2e - build_script_build::compile::h7e168e3dcfaf06e0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sass-sys-0.4.15/build.rs:93
[INFO] [stderr]   14:     0x55f6a367e3a0 - build_script_build::main::h53ce64b7c852f8f2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sass-sys-0.4.15/build.rs:197
[INFO] [stderr]   15:     0x55f6a367f1bb - std::rt::lang_start::{{closure}}::h09a5148c53afb879
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   16:     0x55f6a36c2ef8 - std::rt::lang_start_internal::{{closure}}::h4c4631d379953dd0
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   17:     0x55f6a36c2ef8 - std::panicking::try::do_call::hc26b3db2421dedbb
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   18:     0x55f6a36c2ef8 - std::panicking::try::h4da6835c8705b8a7
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   19:     0x55f6a36c2ef8 - std::panic::catch_unwind::h02aff520273fa6b1
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x55f6a36c2ef8 - std::rt::lang_start_internal::he0572ca212cb5ef4
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   21:     0x55f6a367f197 - std::rt::lang_start::hb21d2dcd09989555
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   22:     0x55f6a367e3da - main
[INFO] [stderr]   23:     0x7effe842ab97 - __libc_start_main
[INFO] [stderr]   24:     0x55f6a367c14a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "223cce4ca6d2e62e8a00ee755e217660ae6038f08f34d689ec679e82434b512e"`
[INFO] running `"docker" "rm" "-f" "223cce4ca6d2e62e8a00ee755e217660ae6038f08f34d689ec679e82434b512e"`
[INFO] [stdout] 223cce4ca6d2e62e8a00ee755e217660ae6038f08f34d689ec679e82434b512e
