[INFO] cloning repository https://github.com/TheDutchMC/Syncer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheDutchMC/Syncer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheDutchMC%2FSyncer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheDutchMC%2FSyncer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63e85852a618ff247f76c66c6c2c2b083bb86837
[INFO] documenting TheDutchMC/Syncer against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheDutchMC%2FSyncer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheDutchMC/Syncer on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheDutchMC/Syncer
[INFO] finished tweaking git repo https://github.com/TheDutchMC/Syncer
[INFO] tweaked toml for git repo https://github.com/TheDutchMC/Syncer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/TheDutchMC/Syncer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d18dc4806513ddbebf527745d13f5a19ff987cf74a1a76bec4859368bd584c6
[INFO] running `Command { std: "docker" "start" "-a" "6d18dc4806513ddbebf527745d13f5a19ff987cf74a1a76bec4859368bd584c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d18dc4806513ddbebf527745d13f5a19ff987cf74a1a76bec4859368bd584c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d18dc4806513ddbebf527745d13f5a19ff987cf74a1a76bec4859368bd584c6", kill_on_drop: false }`
[INFO] [stdout] 6d18dc4806513ddbebf527745d13f5a19ff987cf74a1a76bec4859368bd584c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbb698fbacb3e5c476838d5945e408aed6c506a3df8f07b6d100142663c7596e
[INFO] running `Command { std: "docker" "start" "-a" "dbb698fbacb3e5c476838d5945e408aed6c506a3df8f07b6d100142663c7596e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling actix_derive v0.1.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr] error: could not compile `futures-util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.15/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="proc-macro-hack"' --cfg 'feature="proc-macro-nested"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' -C metadata=e85dca46e1ea9e0c -C extra-filename=-e85dca46e1ea9e0c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-c6bf3f87ff1f6f1c.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-c07eb06424fa6a2c.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-432fc5ecc1780b80.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-c8ebb8dc8f1792eb.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-69d024a5c9eb4b60.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-4a8f23a235ada163.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-761eef7c0b2c115f.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-1144b04bfa3514dc.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-919eec9578452e19.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-3db5b274372faa08.so --extern proc_macro_nested=/opt/rustwide/target/debug/deps/libproc_macro_nested-265164cebdf00d82.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-373cdb0b273c2053.rmeta --cap-lints allow --cfg fn_like_proc_macro` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dbb698fbacb3e5c476838d5945e408aed6c506a3df8f07b6d100142663c7596e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb698fbacb3e5c476838d5945e408aed6c506a3df8f07b6d100142663c7596e", kill_on_drop: false }`
[INFO] [stdout] dbb698fbacb3e5c476838d5945e408aed6c506a3df8f07b6d100142663c7596e
