[INFO] fetching crate exonum-testkit 1.0.0...
[INFO] documenting exonum-testkit-1.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate exonum-testkit 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate exonum-testkit 1.0.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum-testkit 1.0.0
[INFO] finished tweaking crates.io crate exonum-testkit 1.0.0
[INFO] tweaked toml for crates.io crate exonum-testkit 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate exonum-testkit 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0692faafbffd4be1dd7069af53f2ace9250d414dfbe88ba03c82333a35305c47
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0692faafbffd4be1dd7069af53f2ace9250d414dfbe88ba03c82333a35305c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0692faafbffd4be1dd7069af53f2ace9250d414dfbe88ba03c82333a35305c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0692faafbffd4be1dd7069af53f2ace9250d414dfbe88ba03c82333a35305c47", kill_on_drop: false }`
[INFO] [stdout] 0692faafbffd4be1dd7069af53f2ace9250d414dfbe88ba03c82333a35305c47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51d78a5a839866c117a3a3a5483d9df50eada956982f6d1dcfcd2b8295ab515
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e51d78a5a839866c117a3a3a5483d9df50eada956982f6d1dcfcd2b8295ab515", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling clang-sys v0.29.2
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]    Compiling protoc v2.12.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling async-trait v0.1.27
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling ctor v0.1.13
[INFO] [stderr]    Compiling actix-web-codegen v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr] error: could not compile `regex-syntax`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=1b4b33ae0109108e -C extra-filename=-1b4b33ae0109108e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (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" "e51d78a5a839866c117a3a3a5483d9df50eada956982f6d1dcfcd2b8295ab515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51d78a5a839866c117a3a3a5483d9df50eada956982f6d1dcfcd2b8295ab515", kill_on_drop: false }`
[INFO] [stdout] e51d78a5a839866c117a3a3a5483d9df50eada956982f6d1dcfcd2b8295ab515