[INFO] updating cached repository ul/kak-tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ul/kak-tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ul/kak-tree" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/ul/kak-tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/ul/kak-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ul/kak-tree" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/ul/kak-tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/ul/kak-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d32dda895fbfcbb772ab234ffa04dd257b9309d
[INFO] sha for GitHub repo ul/kak-tree: 6d32dda895fbfcbb772ab234ffa04dd257b9309d
[INFO] validating manifest of ul/kak-tree on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ul/kak-tree on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ul/kak-tree
[INFO] finished frobbing ul/kak-tree
[INFO] frobbed toml for ul/kak-tree written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/ul/kak-tree/Cargo.toml
[INFO] started frobbing ul/kak-tree
[INFO] finished frobbing ul/kak-tree
[INFO] frobbed toml for ul/kak-tree written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/ul/kak-tree/Cargo.toml
[INFO] crate ul/kak-tree already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ul/kak-tree against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/ul/kak-tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] de14bdee1542636040e89538e3c0fac118541d9fceb065ae64d0908218dfdf74
[INFO] running `"docker" "start" "-a" "de14bdee1542636040e89538e3c0fac118541d9fceb065ae64d0908218dfdf74"`
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]    Compiling trackable_derive v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.4
[INFO] [stderr]     Checking trackable v0.2.20
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking slog-scope v4.1.0
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling tree-sitter v0.3.5
[INFO] [stderr]    Compiling kak-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `kak-tree v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/kak-tree-231eb0c502487bcf/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "vendor/tree-sitter-rust/src" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/kak-tree-26d5d261025a6c11/out/vendor/tree-sitter-rust/src/parser.o" "-c" "vendor/tree-sitter-rust/src/parser.c"
[INFO] [stderr] cargo:warning=cc: error: vendor/tree-sitter-rust/src/parser.c: No such file or directory
[INFO] [stderr] cargo:warning=cc: fatal error: no input files
[INFO] [stderr] cargo:warning=compilation terminated.
[INFO] [stderr] exit code: 1
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "vendor/tree-sitter-rust/src" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/kak-tree-26d5d261025a6c11/out/vendor/tree-sitter-rust/src/parser.o" "-c" "vendor/tree-sitter-rust/src/parser.c" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.28/src/lib.rs:2314:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55963dd2e76b - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55963dd2e76b - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55963dd2e76b - std::sys_common::backtrace::_print::h2896bece16680b31
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55963dd2e76b - std::sys_common::backtrace::print::h5f4d4b954705d426
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55963dd2e76b - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55963dd2e46c - std::panicking::default_hook::h4b88c02cc00064f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55963dd2eee0 - std::panicking::rust_panic_with_hook::he5596ad1952b7279
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55963dd2ea62 - std::panicking::continue_panic_fmt::h13f3a9aeaf0459c4
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55963dd2e9af - std::panicking::begin_panic_fmt::h784be15fd2973b27
[INFO] [stderr]                                at src/libstd/panicking.rs:337
[INFO] [stderr]    9:     0x55963dc7f156 - cc::fail::h051211f7d778fbb2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.28/src/lib.rs:2314
[INFO] [stderr]   10:     0x55963dc69dbf - cc::Build::compile::h3e68a595f81c1ea1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.28/src/lib.rs:951
[INFO] [stderr]   11:     0x55963dc6377a - build_script_build::main::h90f4aa60dcc2ce75
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:66
[INFO] [stderr]   12:     0x55963dc62f90 - std::rt::lang_start::{{closure}}::hf7c2f689bd1df16e
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55963dd2e8e3 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x55963dd2e8e3 - std::panicking::try::do_call::h657ecdd23710c935
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   15:     0x55963dd3729a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   16:     0x55963dd2f4ad - std::panicking::try::h52772d620cb80373
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   17:     0x55963dd2f4ad - std::panic::catch_unwind::hac02eb84ea8f3a3e
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   18:     0x55963dd2f4ad - std::rt::lang_start_internal::h9fab34d7c96dfdc9
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55963dc62f69 - std::rt::lang_start::h3646f8fd2b8690db
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55963dc6389a - main
[INFO] [stderr]   21:     0x7f6d795d92e1 - __libc_start_main
[INFO] [stderr]   22:     0x55963dc6250a - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "de14bdee1542636040e89538e3c0fac118541d9fceb065ae64d0908218dfdf74"`
[INFO] running `"docker" "rm" "-f" "de14bdee1542636040e89538e3c0fac118541d9fceb065ae64d0908218dfdf74"`
[INFO] [stdout] de14bdee1542636040e89538e3c0fac118541d9fceb065ae64d0908218dfdf74