[INFO] cloning repository https://github.com/recursive-bloom/bloom-rpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/recursive-bloom/bloom-rpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frecursive-bloom%2Fbloom-rpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frecursive-bloom%2Fbloom-rpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc74f83f410a96c806f42bfa5572c7d04f31353c
[INFO] documenting recursive-bloom/bloom-rpc 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%2Frecursive-bloom%2Fbloom-rpc" "/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/recursive-bloom/bloom-rpc 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/recursive-bloom/bloom-rpc
[INFO] finished tweaking git repo https://github.com/recursive-bloom/bloom-rpc
[INFO] tweaked toml for git repo https://github.com/recursive-bloom/bloom-rpc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/recursive-bloom/bloom-rpc 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-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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e8ea69949cebddc45b1bfc0b4d5530d5c2b4f0caa30e860b6ff5c80450bfb1b
[INFO] running `Command { std: "docker" "start" "-a" "6e8ea69949cebddc45b1bfc0b4d5530d5c2b4f0caa30e860b6ff5c80450bfb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e8ea69949cebddc45b1bfc0b4d5530d5c2b4f0caa30e860b6ff5c80450bfb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8ea69949cebddc45b1bfc0b4d5530d5c2b4f0caa30e860b6ff5c80450bfb1b", kill_on_drop: false }`
[INFO] [stdout] 6e8ea69949cebddc45b1bfc0b4d5530d5c2b4f0caa30e860b6ff5c80450bfb1b
[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] 9f569c64f8f2b5794b4266c4a7947975360ee410b153634dfd50d32036dc3699
[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" "9f569c64f8f2b5794b4266c4a7947975360ee410b153634dfd50d32036dc3699", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.13
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking uint v0.8.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tracing v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking soketto v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.4
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking jsonrpc-core v14.2.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking jsonrpc-server-utils v14.2.0
[INFO] [stderr]    Compiling jsonrpc-derive v14.2.1
[INFO] [stderr]     Checking jsonrpc-http-server v14.2.0
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking ethabi v12.0.0
[INFO] [stderr]     Checking web3 v0.13.0 (https://github.com/tomusdrw/rust-web3#513fce3e)
[INFO] [stderr]  Documenting bloom-rpc v0.1.0 (/opt/rustwide/workdir/rpc-server)
[INFO] [stderr]  Documenting eth-rpc v0.1.0 (/opt/rustwide/workdir/eth-rpc)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rpc-server/src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bloom-rpc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name bloom_rpc rpc-server/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-8f6597891107b209.rmeta --extern ethereum_types=/opt/rustwide/target/debug/deps/libethereum_types-35a942d8b89f6bb1.rmeta --extern jsonrpc_core=/opt/rustwide/target/debug/deps/libjsonrpc_core-507e67aadcabade4.rmeta --extern jsonrpc_derive=/opt/rustwide/target/debug/deps/libjsonrpc_derive-a1eb025584add9e9.so --extern jsonrpc_http_server=/opt/rustwide/target/debug/deps/libjsonrpc_http_server-054e608bfcf272bc.rmeta --extern rustc_hex=/opt/rustwide/target/debug/deps/librustc_hex-8391a7939f4164e5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3d2cd8df8c5bf4e3.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-e403fc776d9200e4.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-72182a2576afed88.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9f569c64f8f2b5794b4266c4a7947975360ee410b153634dfd50d32036dc3699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f569c64f8f2b5794b4266c4a7947975360ee410b153634dfd50d32036dc3699", kill_on_drop: false }`
[INFO] [stdout] 9f569c64f8f2b5794b4266c4a7947975360ee410b153634dfd50d32036dc3699
