[INFO] updating cached repository https://github.com/theaaf/blackmagic-c2
[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] 1cc407e98607b1b8ab2f823ca0ce15c51a13e0f5
[INFO] checking theaaf/blackmagic-c2 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheaaf%2Fblackmagic-c2" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theaaf/blackmagic-c2 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/theaaf/blackmagic-c2
[INFO] finished tweaking git repo https://github.com/theaaf/blackmagic-c2
[INFO] tweaked toml for git repo https://github.com/theaaf/blackmagic-c2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/theaaf/blackmagic-c2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] bd628cf337bf6c638120b9ba21cbc42526248e5dab6e95dcafbf7cee6fb1b547
[INFO] running `"docker" "start" "-a" "bd628cf337bf6c638120b9ba21cbc42526248e5dab6e95dcafbf7cee6fb1b547"`
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bindgen v0.42.3
[INFO] [stderr]     Checking simple-error v0.1.13
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking signal-hook v0.1.8
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]     Checking gethostname v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking ring v0.13.5
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking regex v1.0.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking rmp v0.8.7 (https://github.com/3Hren/msgpack-rust?rev=40b3d480b20961e6eeceb416b32bcd0a3383846a#40b3d480)
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking pnet_datalink v0.22.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking rmp-serde v0.14.0 (https://github.com/3Hren/msgpack-rust?rev=40b3d480b20961e6eeceb416b32bcd0a3383846a#40b3d480)
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]     Checking h2 v0.1.17
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling v_escape_derive v0.2.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.8
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[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-0.26.4/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=04aaaf9743d000d6 -C extra-filename=-04aaaf9743d000d6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern glob=/opt/rustwide/target/debug/deps/libglob-b0f295e372a276a2.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f8a3d5e7da152202.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-368443438725304c.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/libloading-c109b0a72da9410d/out` (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-1.0.89/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=f14b513449d20cfd -C extra-filename=-f14b513449d20cfd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-dcbb72aaa2c7fc35.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-719ae5063b1b1b5f.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-0db0101c9cf1170f.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: build failed
[INFO] running `"docker" "inspect" "bd628cf337bf6c638120b9ba21cbc42526248e5dab6e95dcafbf7cee6fb1b547"`
[INFO] running `"docker" "rm" "-f" "bd628cf337bf6c638120b9ba21cbc42526248e5dab6e95dcafbf7cee6fb1b547"`
[INFO] [stdout] bd628cf337bf6c638120b9ba21cbc42526248e5dab6e95dcafbf7cee6fb1b547