[INFO] updating cached repository https://github.com/theaaf/blackmagic-c2
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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 try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheaaf%2Fblackmagic-c2" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theaaf/blackmagic-c2 on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "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 work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/theaaf/blackmagic-c2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7dac04d1bbc7a85d5fea636c6651ea22141440a59e0bdb317f2478fc5aacd786
[INFO] running `"docker" "start" "-a" "7dac04d1bbc7a85d5fea636c6651ea22141440a59e0bdb317f2478fc5aacd786"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]     Checking simple-error v0.1.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]     Checking pnet_macros_support v0.22.0
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking signal-hook v0.1.8
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]     Checking gethostname v0.2.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking ring v0.13.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]     Checking regex v1.0.6
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rmp v0.8.7 (https://github.com/3Hren/msgpack-rust?rev=40b3d480b20961e6eeceb416b32bcd0a3383846a#40b3d480)
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking pnet_datalink v0.22.0
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=e8b936429f3d12b0 -C extra-filename=-e8b936429f3d12b0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b356b9d18c6340c8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ea7ff7d67ace0bcc.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d28426df16a6e184.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: build failed
[INFO] running `"docker" "inspect" "7dac04d1bbc7a85d5fea636c6651ea22141440a59e0bdb317f2478fc5aacd786"`
[INFO] running `"docker" "rm" "-f" "7dac04d1bbc7a85d5fea636c6651ea22141440a59e0bdb317f2478fc5aacd786"`
[INFO] [stdout] 7dac04d1bbc7a85d5fea636c6651ea22141440a59e0bdb317f2478fc5aacd786