[INFO] cloning repository https://github.com/paritytech/cargo-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/cargo-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fcargo-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fcargo-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfc389db2370be7661d5d2b17596ca7b71bca2bc
[INFO] documenting paritytech/cargo-contract against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fcargo-contract" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/cargo-contract 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 git repo https://github.com/paritytech/cargo-contract
[INFO] finished tweaking git repo https://github.com/paritytech/cargo-contract
[INFO] tweaked toml for git repo https://github.com/paritytech/cargo-contract written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/cargo-contract already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-swarm v0.20.1
[INFO] [stderr]   Downloaded assert_matches v1.3.0
[INFO] [stderr]   Downloaded sp-api v2.0.0-rc5
[INFO] [stderr]   Downloaded cargo-xbuild v0.6.0
[INFO] [stderr]   Downloaded blake2 v0.9.0
[INFO] [stderr]   Downloaded sp-chain-spec v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-keyring v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-std v2.0.0-rc5
[INFO] [stderr]   Downloaded ahash v0.3.4
[INFO] [stderr]   Downloaded sp-runtime-interface v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-rpc v2.0.0-rc5
[INFO] [stderr]   Downloaded frame-support-procedural-tools v2.0.0-rc5
[INFO] [stderr]   Downloaded frame-system v2.0.0-rc5
[INFO] [stderr]   Downloaded frame-support v2.0.0-rc5
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.4
[INFO] [stderr]   Downloaded jsonrpc-client-transports v14.2.0
[INFO] [stderr]   Downloaded pwasm-utils v0.14.0
[INFO] [stderr]   Downloaded frame-metadata v11.0.0-rc5
[INFO] [stderr]   Downloaded substrate-prometheus-endpoint v0.8.0-rc5
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[INFO] [stderr]   Downloaded sc-rpc-api v0.8.0-rc5
[INFO] [stderr]   Downloaded frame-support-procedural-tools-derive v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-blockchain v2.0.0-rc5
[INFO] [stderr]   Downloaded frame-support-procedural v2.0.0-rc5
[INFO] [stderr]   Downloaded pallet-indices v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-database v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-arithmetic v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-consensus v0.8.0-rc5
[INFO] [stderr]   Downloaded sp-state-machine v0.8.0-rc5
[INFO] [stderr]   Downloaded substrate-subxt v0.11.0
[INFO] [stderr]   Downloaded sp-runtime v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-trie v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-io v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-externalities v0.8.0-rc5
[INFO] [stderr]   Downloaded libp2p-core v0.20.1
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.1
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-application-crypto v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-block-builder v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-api-proc-macro v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-utils v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-transaction-pool v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-inherents v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-panic-handler v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-tracing v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-debug-derive v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-storage v2.0.0-rc5
[INFO] [stderr]   Downloaded sp-version v2.0.0-rc5
[INFO] [stderr]   Downloaded substrate-subxt-proc-macro v0.11.0
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] [stderr]   Downloaded sp-wasm-interface v2.0.0-rc5
[INFO] [stderr]   Downloaded cargo_metadata v0.11.1
[INFO] [stderr]   Downloaded libp2p v0.22.0
[INFO] [stderr]   Downloaded sp-core v2.0.0-rc5
[INFO] [stderr]   Downloaded multihash v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ec86a6cebdb9c301960cbb832a5db4ab07935f3e5deb6e79d22d4149f6d856b1
[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" "ec86a6cebdb9c301960cbb832a5db4ab07935f3e5deb6e79d22d4149f6d856b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec86a6cebdb9c301960cbb832a5db4ab07935f3e5deb6e79d22d4149f6d856b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec86a6cebdb9c301960cbb832a5db4ab07935f3e5deb6e79d22d4149f6d856b1", kill_on_drop: false }`
[INFO] [stdout] ec86a6cebdb9c301960cbb832a5db4ab07935f3e5deb6e79d22d4149f6d856b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 352fcc9bf50ce7c379a0d132eee8391e7923829b260fb210e4f54d742d5372b5
[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" "352fcc9bf50ce7c379a0d132eee8391e7923829b260fb210e4f54d742d5372b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling cargo-xbuild v0.6.0
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling zip v0.5.6
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]    Compiling cargo-contract v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking pwasm-utils v0.14.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.4
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking cargo_metadata v0.11.1
[INFO] [stderr]  Documenting cargo-contract v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "352fcc9bf50ce7c379a0d132eee8391e7923829b260fb210e4f54d742d5372b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352fcc9bf50ce7c379a0d132eee8391e7923829b260fb210e4f54d742d5372b5", kill_on_drop: false }`
[INFO] [stdout] 352fcc9bf50ce7c379a0d132eee8391e7923829b260fb210e4f54d742d5372b5