[INFO] fetching crate dfhack-remote 0.4.1...
[INFO] documenting dfhack-remote-0.4.1 against nightly for scrape-examples
[INFO] extracting crate dfhack-remote 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dfhack-remote 0.4.1 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dfhack-remote 0.4.1
[INFO] finished tweaking crates.io crate dfhack-remote 0.4.1
[INFO] tweaked toml for crates.io crate dfhack-remote 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate dfhack-remote 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pbkdf2 v0.10.1
[INFO] [stderr]   Downloaded reqwest v0.11.10
[INFO] [stderr]   Downloaded base64ct v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.30
[INFO] [stderr]   Downloaded mio v0.8.2
[INFO] [stderr]   Downloaded tracing-core v0.1.26
[INFO] [stderr]   Downloaded tracing v0.1.34
[INFO] [stderr]   Downloaded protobuf v2.27.1
[INFO] [stderr]   Downloaded http v0.2.7
[INFO] [stderr]   Downloaded bmp v0.5.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.27.1
[INFO] [stderr]   Downloaded zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]   Downloaded tokio-util v0.7.1
[INFO] [stderr]   Downloaded serde_json v1.0.80
[INFO] [stderr]   Downloaded ctor v0.1.22
[INFO] [stderr]   Downloaded hyper v0.14.18
[INFO] [stderr]   Downloaded tokio v1.18.0
[INFO] [stderr]   Downloaded zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]   Downloaded openssl v0.10.38
[INFO] [stderr]   Downloaded http-body v0.4.4
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded password-hash v0.3.2
[INFO] [stderr]   Downloaded sha1 v0.10.1
[INFO] [stderr]   Downloaded num_threads v0.1.5
[INFO] [stderr]   Downloaded prettyplease v0.1.10
[INFO] [stderr]   Downloaded zstd v0.10.0+zstd.1.5.2
[INFO] [stderr]   Downloaded dfhack-proto-srcs v0.4.1
[INFO] [stderr]   Downloaded dfhack-proto v0.4.1
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.27.1
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded tracing-attributes v0.1.21
[INFO] [stderr]   Downloaded crypto-common v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f6ecd22760d91ad0cbfca0f1a1e3e6d15b7ff94260016fa17a440cc548410a1
[INFO] running `Command { std: "docker" "start" "-a" "4f6ecd22760d91ad0cbfca0f1a1e3e6d15b7ff94260016fa17a440cc548410a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6ecd22760d91ad0cbfca0f1a1e3e6d15b7ff94260016fa17a440cc548410a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6ecd22760d91ad0cbfca0f1a1e3e6d15b7ff94260016fa17a440cc548410a1", kill_on_drop: false }`
[INFO] [stdout] 4f6ecd22760d91ad0cbfca0f1a1e3e6d15b7ff94260016fa17a440cc548410a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65a060ac0da14ac1a4f2c8fbd0726539eb089c1c314b5e71e5d20718b9c0f2fb
[INFO] running `Command { std: "docker" "start" "-a" "65a060ac0da14ac1a4f2c8fbd0726539eb089c1c314b5e71e5d20718b9c0f2fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling http v0.2.7
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tokio v1.18.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling base64ct v1.0.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling num_threads v0.1.5
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling password-hash v0.3.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.2
[INFO] [stderr]    Compiling sha1 v0.10.1
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling pbkdf2 v0.10.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling prettyplease v0.1.10
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling protobuf-codegen v2.27.1
[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-1.0.92/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=d2615c51bc5c1736 -C extra-filename=-d2615c51bc5c1736 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-16f4d56d78074154.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-faec848a47c42982.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65a060ac0da14ac1a4f2c8fbd0726539eb089c1c314b5e71e5d20718b9c0f2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a060ac0da14ac1a4f2c8fbd0726539eb089c1c314b5e71e5d20718b9c0f2fb", kill_on_drop: false }`
[INFO] [stdout] 65a060ac0da14ac1a4f2c8fbd0726539eb089c1c314b5e71e5d20718b9c0f2fb