[INFO] cloning repository https://github.com/DenisKolodin/parity-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DenisKolodin/parity-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenisKolodin%2Fparity-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenisKolodin%2Fparity-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f1088de3ed24d2e955103e73855319bcdaca336
[INFO] documenting DenisKolodin/parity-workshop 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%2FDenisKolodin%2Fparity-workshop" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DenisKolodin/parity-workshop 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/DenisKolodin/parity-workshop
[INFO] finished tweaking git repo https://github.com/DenisKolodin/parity-workshop
[INFO] tweaked toml for git repo https://github.com/DenisKolodin/parity-workshop written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/DenisKolodin/parity-workshop 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]     Updating git repository `https://github.com/tomusdrw/rust-web3`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nodrop v0.1.9
[INFO] [stderr]   Downloaded futures-cpupool v0.1.6
[INFO] [stderr]   Downloaded tiny-keccak v1.3.1
[INFO] [stderr]   Downloaded arrayvec v0.3.23
[INFO] [stderr]   Downloaded textwrap v0.8.0
[INFO] [stderr]   Downloaded ethabi v4.0.0
[INFO] [stderr]   Downloaded clap v2.26.2
[INFO] [stderr]   Downloaded odds v0.2.25
[INFO] [stderr]   Downloaded mime v0.3.4
[INFO] [stderr]   Downloaded serde_json v1.0.3
[INFO] [stderr]   Downloaded jsonrpc-core v7.1.1
[INFO] [stderr]   Downloaded hyper v0.11.4
[INFO] [stderr]   Downloaded tokio-core v0.1.9
[INFO] [stderr]   Downloaded parking_lot_core v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d7da3d67f53533493cda6d808ebe57c40863c81dc814add96f5321c8b8b72653
[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" "d7da3d67f53533493cda6d808ebe57c40863c81dc814add96f5321c8b8b72653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7da3d67f53533493cda6d808ebe57c40863c81dc814add96f5321c8b8b72653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7da3d67f53533493cda6d808ebe57c40863c81dc814add96f5321c8b8b72653", kill_on_drop: false }`
[INFO] [stdout] d7da3d67f53533493cda6d808ebe57c40863c81dc814add96f5321c8b8b72653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4e7dc0124b1168b6441a714ac8f56dfce08ef2271a71a83fb1270ff95e1079c5
[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" "4e7dc0124b1168b6441a714ac8f56dfce08ef2271a71a83fb1270ff95e1079c5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking tiny-keccak v1.3.1
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking arrayvec v0.3.23
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking mime v0.3.4
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking parking_lot_core v0.2.6
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.1.5
[INFO] [stderr]     Checking hyper v0.11.4
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking jsonrpc-core v7.1.1
[INFO] [stderr]     Checking ethabi v4.0.0
[INFO] [stderr]     Checking web3 v0.1.0 (https://github.com/tomusdrw/rust-web3#f6771b0b)
[INFO] [stderr]  Documenting task1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.25s
[INFO] running `Command { std: "docker" "inspect" "4e7dc0124b1168b6441a714ac8f56dfce08ef2271a71a83fb1270ff95e1079c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7dc0124b1168b6441a714ac8f56dfce08ef2271a71a83fb1270ff95e1079c5", kill_on_drop: false }`
[INFO] [stdout] 4e7dc0124b1168b6441a714ac8f56dfce08ef2271a71a83fb1270ff95e1079c5