[INFO] fetching crate cita-vm 0.1.6...
[INFO] documenting cita-vm-0.1.6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cita-vm 0.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cita-vm 0.1.6 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 cita-vm 0.1.6
[INFO] finished tweaking crates.io crate cita-vm 0.1.6
[INFO] tweaked toml for crates.io crate cita-vm 0.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded keccak-hash v0.1.2
[INFO] [stderr]   Downloaded cita-evm v0.1.6
[INFO] [stderr]   Downloaded cita-state v0.1.6
[INFO] [stderr]   Downloaded cita_trie v1.0.1
[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" "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] 6615cd52b5bf514535831686921379c8fca6d5c6e37ab0c42077372ec79f9798
[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" "6615cd52b5bf514535831686921379c8fca6d5c6e37ab0c42077372ec79f9798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6615cd52b5bf514535831686921379c8fca6d5c6e37ab0c42077372ec79f9798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6615cd52b5bf514535831686921379c8fca6d5c6e37ab0c42077372ec79f9798", kill_on_drop: false }`
[INFO] [stdout] 6615cd52b5bf514535831686921379c8fca6d5c6e37ab0c42077372ec79f9798
[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" "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] 70e6de899d814508b4569809d17eab246cb5593dbda264986a7a79885ec00b82
[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" "70e6de899d814508b4569809d17eab246cb5593dbda264986a7a79885ec00b82", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking libsecp256k1 v0.2.2
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking ethbloom v0.5.3
[INFO] [stderr]     Checking ethereum-types v0.4.2
[INFO] [stderr]     Checking rlp v0.3.0
[INFO] [stderr]     Checking keccak-hash v0.1.2
[INFO] [stderr]     Checking cita-evm v0.1.6
[INFO] [stderr]     Checking cita_trie v1.0.1
[INFO] [stderr]     Checking cita-state v0.1.6
[INFO] [stderr]  Documenting cita-vm v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/executive.rs:716:10
[INFO] [stdout]     |
[INFO] [stdout] 716 |     ) -> (Result<evm::InterpreterResult, evm::Error>) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.84s
[INFO] running `Command { std: "docker" "inspect" "70e6de899d814508b4569809d17eab246cb5593dbda264986a7a79885ec00b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e6de899d814508b4569809d17eab246cb5593dbda264986a7a79885ec00b82", kill_on_drop: false }`
[INFO] [stdout] 70e6de899d814508b4569809d17eab246cb5593dbda264986a7a79885ec00b82