[INFO] crate mkbook 0.3.0 is already in cache
[INFO] checking mkbook-0.3.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate mkbook 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mkbook 0.3.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-5/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 6db62aac41e31e722bab56ede5c3c09ab2c3cc68ce0ce172a7853decbfd0491e
[INFO] running `"docker" "start" "-a" "6db62aac41e31e722bab56ede5c3c09ab2c3cc68ce0ce172a7853decbfd0491e"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]    Compiling sass-sys v0.4.15
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr] error: could not compile `regex-syntax`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=eb2c429382ddb241 -C extra-filename=-eb2c429382ddb241 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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 `regex-syntax`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=5fe33abc4c392461 -C extra-filename=-5fe33abc4c392461 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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 `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=a7f8ccda43d155b7 -C extra-filename=-a7f8ccda43d155b7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6195ca0ef893330b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-be8f4f36e13cec66.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-088828932fe8d40e.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=5203083c5af94aa4 -C extra-filename=-5203083c5af94aa4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-2cf34ccd20cb0780.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-56a2a837e44d3133.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-1609ea91bd5124f6.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-5a42fdb92e069b1a.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-c90d55786faf55af.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-ace588e1e2b92c89.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-61e2faf834523a40.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: 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-9ee9f9304ceaf40f/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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-b22fe4c247a0bed4/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:     0x55b79e9fe134 - backtrace::backtrace::libunwind::trace::hda902e3a4eb9d449
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55b79e9fe134 - backtrace::backtrace::trace_unsynchronized::h06df0062bb63b7e2
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b79e9fe134 - std::sys_common::backtrace::_print_fmt::ha5249daf78f399e8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55b79e9fe134 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h68243ef2eafa8843
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55b79ea2306c - core::fmt::write::h8b50d07b82ae3922
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55b79e9faf53 - std::io::Write::write_fmt::h9a5b9a212b705549
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x55b79ea00785 - std::sys_common::backtrace::_print::hcd11fe8eb9e7335d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55b79ea00785 - std::sys_common::backtrace::print::h475286256f91474c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55b79ea00785 - std::panicking::default_hook::{{closure}}::h2a45e9d6ef27161b
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55b79ea004c2 - std::panicking::default_hook::h76adec688b27abdd
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55b79ea00d92 - std::panicking::rust_panic_with_hook::h121f4f2c52efbcbf
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55b79ea0097b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55b79ea008eb - std::panicking::begin_panic_fmt::h5f1d91daa2b5823b
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   13:     0x55b79e9bd6ee - build_script_build::compile::h0e736df46a9f9ce7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sass-sys-0.4.15/build.rs:93
[INFO] [stderr]   14:     0x55b79e9bde60 - build_script_build::main::hffa03d87c5fb1597
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sass-sys-0.4.15/build.rs:197
[INFO] [stderr]   15:     0x55b79e9bec7b - std::rt::lang_start::{{closure}}::h1b19c7e3e58cd498
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67
[INFO] [stderr]   16:     0x55b79ea011d8 - std::rt::lang_start_internal::{{closure}}::h15b56bd7f81214ad
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   17:     0x55b79ea011d8 - std::panicking::try::do_call::hbe8467da291bc822
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   18:     0x55b79ea011d8 - std::panicking::try::hde3b5cbc6989304d
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   19:     0x55b79ea011d8 - std::panic::catch_unwind::h56844acb323fdd6c
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x55b79ea011d8 - std::rt::lang_start_internal::hae379591a9420b87
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   21:     0x55b79e9bec57 - std::rt::lang_start::he59902576a0ccfea
[INFO] [stderr]                                at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67
[INFO] [stderr]   22:     0x55b79e9bde9a - main
[INFO] [stderr]   23:     0x7fa88cef7b97 - __libc_start_main
[INFO] [stderr]   24:     0x55b79e9bbc0a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "6db62aac41e31e722bab56ede5c3c09ab2c3cc68ce0ce172a7853decbfd0491e"`
[INFO] running `"docker" "rm" "-f" "6db62aac41e31e722bab56ede5c3c09ab2c3cc68ce0ce172a7853decbfd0491e"`
[INFO] [stdout] 6db62aac41e31e722bab56ede5c3c09ab2c3cc68ce0ce172a7853decbfd0491e
