[INFO] fetching crate exonum-supervisor 1.0.0...
[INFO] documenting exonum-supervisor-1.0.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate exonum-supervisor 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate exonum-supervisor 1.0.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum-supervisor 1.0.0
[INFO] finished tweaking crates.io crate exonum-supervisor 1.0.0
[INFO] tweaked toml for crates.io crate exonum-supervisor 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate exonum-supervisor 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9b83ba25b47ef81ff3c21c74bfdf5c0a15991164fed4865f3f98798ff4d412b
[INFO] running `Command { std: "docker" "start" "-a" "c9b83ba25b47ef81ff3c21c74bfdf5c0a15991164fed4865f3f98798ff4d412b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b83ba25b47ef81ff3c21c74bfdf5c0a15991164fed4865f3f98798ff4d412b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b83ba25b47ef81ff3c21c74bfdf5c0a15991164fed4865f3f98798ff4d412b", kill_on_drop: false }`
[INFO] [stdout] c9b83ba25b47ef81ff3c21c74bfdf5c0a15991164fed4865f3f98798ff4d412b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de6f3d167e4d2e1b6111f2a854837bbad7627a98f7915e43740d146ec2e0af9
[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" "7de6f3d167e4d2e1b6111f2a854837bbad7627a98f7915e43740d146ec2e0af9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling clang-sys v0.29.2
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[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 aho-corasick v0.7.10
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking memoffset v0.5.4
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking secret-tree v0.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling exonum_libsodium-sys v0.0.23
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[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 failure_derive v0.1.7
[INFO] [stderr]    Compiling async-trait v0.1.27
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling actix-web-codegen v0.2.1
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.10.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=a2f4d4fef7b75330 -C extra-filename=-a2f4d4fef7b75330 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-37dc92b0673ee3ab.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-f044afbbc3ed8064.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-043c1edb1a3d4695.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-017912cd0ef99015.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-bc70c22d5dd4f0b5.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-718937f16811a0b6.rmeta --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" "7de6f3d167e4d2e1b6111f2a854837bbad7627a98f7915e43740d146ec2e0af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de6f3d167e4d2e1b6111f2a854837bbad7627a98f7915e43740d146ec2e0af9", kill_on_drop: false }`
[INFO] [stdout] 7de6f3d167e4d2e1b6111f2a854837bbad7627a98f7915e43740d146ec2e0af9
