[INFO] cloning repository https://github.com/SaitoTech/saito-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaitoTech/saito-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaitoTech%2Fsaito-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaitoTech%2Fsaito-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e14f09d07cbae48cd4e8d0ac716286df0bc89588
[INFO] documenting SaitoTech/saito-core 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%2FSaitoTech%2Fsaito-core" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaitoTech/saito-core 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/SaitoTech/saito-core
[INFO] finished tweaking git repo https://github.com/SaitoTech/saito-core
[INFO] tweaked toml for git repo https://github.com/SaitoTech/saito-core written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/SaitoTech/saito-core 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] warning: unused manifest key: package.members
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded local-encoding v0.2.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.2
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded actix-utils v0.4.5
[INFO] [stderr]   Downloaded getrandom v0.1.9
[INFO] [stderr]   Downloaded actix-rt v0.2.4
[INFO] [stderr]   Downloaded url v2.1.0
[INFO] [stderr]   Downloaded parity-bytes v0.1.0
[INFO] [stderr]   Downloaded kvdb v0.1.0
[INFO] [stderr]   Downloaded merkle v1.10.0
[INFO] [stderr]   Downloaded parity-rocksdb v0.5.1
[INFO] [stderr]   Downloaded bstr v0.2.7
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.1.4
[INFO] [stderr]   Downloaded parity-snappy-sys v0.1.2
[INFO] [stderr]   Downloaded parity-rocksdb-sys v0.5.6
[INFO] [stderr]   Downloaded actix-connect v0.2.3
[INFO] [stderr]   Downloaded actix-http v0.2.9
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f30ff2a0afcf701597f53095877f6fbd210fe107886cbd7724880a8f7ebbfc19
[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" "f30ff2a0afcf701597f53095877f6fbd210fe107886cbd7724880a8f7ebbfc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f30ff2a0afcf701597f53095877f6fbd210fe107886cbd7724880a8f7ebbfc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30ff2a0afcf701597f53095877f6fbd210fe107886cbd7724880a8f7ebbfc19", kill_on_drop: false }`
[INFO] [stdout] f30ff2a0afcf701597f53095877f6fbd210fe107886cbd7724880a8f7ebbfc19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 098723e0f733cf20fad9d8c7b80fbf454704777ddaecd0f9b5fd8b903ebac4e4
[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" "098723e0f733cf20fad9d8c7b80fbf454704777ddaecd0f9b5fd8b903ebac4e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.members
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling merkle v1.10.0
[INFO] [stderr]     Checking parity-bytes v0.1.0
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking backtrace-sys v0.1.30
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking elastic-array v0.10.2
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling parity-snappy-sys v0.1.2
[INFO] [stderr]    Compiling parity-rocksdb-sys v0.5.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking kvdb v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking actix-utils v0.4.5
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling local-encoding v0.2.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.98/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="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=5fc5b8edaae74cd8 -C extra-filename=-5fc5b8edaae74cd8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-5ad764a92597eedc.so --cap-lints allow --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (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" "098723e0f733cf20fad9d8c7b80fbf454704777ddaecd0f9b5fd8b903ebac4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098723e0f733cf20fad9d8c7b80fbf454704777ddaecd0f9b5fd8b903ebac4e4", kill_on_drop: false }`
[INFO] [stdout] 098723e0f733cf20fad9d8c7b80fbf454704777ddaecd0f9b5fd8b903ebac4e4
