[INFO] fetching crate casper-client 1.3.2...
[INFO] documenting casper-client-1.3.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate casper-client 1.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate casper-client 1.3.2 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 crates.io crate casper-client 1.3.2
[INFO] finished tweaking crates.io crate casper-client 1.3.2
[INFO] tweaked toml for crates.io crate casper-client 1.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate casper-client 1.3.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] aedb7e525510aa1840e24707832e864d49a4c4d23d4f6e6fe8a94ad733349f32
[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" "aedb7e525510aa1840e24707832e864d49a4c4d23d4f6e6fe8a94ad733349f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aedb7e525510aa1840e24707832e864d49a4c4d23d4f6e6fe8a94ad733349f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedb7e525510aa1840e24707832e864d49a4c4d23d4f6e6fe8a94ad733349f32", kill_on_drop: false }`
[INFO] [stdout] aedb7e525510aa1840e24707832e864d49a4c4d23d4f6e6fe8a94ad733349f32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d2665060ade2548853bbc2353b896b38293d0bed4e120517d74a60c1c140ba0d
[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" "d2665060ade2548853bbc2353b896b38293d0bed4e120517d74a60c1c140ba0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking const-oid v0.4.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]    Compiling cbindgen v0.18.0
[INFO] [stderr]     Checking fake_instant v0.4.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling tokio-openssl v0.6.2
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]     Checking wheelbuf v0.2.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling sys-info v0.8.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking derp v0.0.14
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking bitvec v0.18.5
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking der v0.1.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking if-addrs v0.6.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking raw-cpuid v9.1.1
[INFO] [stderr]     Checking lmdb-sys v0.8.0
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]     Checking pkcs8 v0.3.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking openssl v0.10.35
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking lmdb v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking quanta v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking cuckoofilter v0.5.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking aes-gcm v0.7.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wasmi v0.8.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]    Compiling vergen v3.2.0
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]    Compiling casper-node v1.3.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling minicbor-derive v0.6.4
[INFO] [stderr]    Compiling datasize_derive v0.2.9
[INFO] [stderr]    Compiling schemars_derive v0.8.3
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling enum-ordinalize v3.1.10
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.22.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.127/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=d1c0c5c2e9a4c42b -C extra-filename=-d1c0c5c2e9a4c42b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-369c1f9851c835c9.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-85b41d13ce251548.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-815c95043cbb4339.rlib --extern proc_macro --cap-lints allow --cfg underscore_consts` (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" "d2665060ade2548853bbc2353b896b38293d0bed4e120517d74a60c1c140ba0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2665060ade2548853bbc2353b896b38293d0bed4e120517d74a60c1c140ba0d", kill_on_drop: false }`
[INFO] [stdout] d2665060ade2548853bbc2353b896b38293d0bed4e120517d74a60c1c140ba0d
