[INFO] cloning repository https://github.com/hongpeng-guo/bitcoin_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hongpeng-guo/bitcoin_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhongpeng-guo%2Fbitcoin_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhongpeng-guo%2Fbitcoin_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06f94645bebe6e7e2caf8821f9043456e3d7318b
[INFO] documenting hongpeng-guo/bitcoin_rust against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhongpeng-guo%2Fbitcoin_rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hongpeng-guo/bitcoin_rust on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hongpeng-guo/bitcoin_rust
[INFO] finished tweaking git repo https://github.com/hongpeng-guo/bitcoin_rust
[INFO] tweaked toml for git repo https://github.com/hongpeng-guo/bitcoin_rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/hongpeng-guo/bitcoin_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3275a61f3aef0ef67d38705d087cac9e547c1b9fe9ec5bae5b327a37d256e82b
[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" "3275a61f3aef0ef67d38705d087cac9e547c1b9fe9ec5bae5b327a37d256e82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3275a61f3aef0ef67d38705d087cac9e547c1b9fe9ec5bae5b327a37d256e82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3275a61f3aef0ef67d38705d087cac9e547c1b9fe9ec5bae5b327a37d256e82b", kill_on_drop: false }`
[INFO] [stdout] 3275a61f3aef0ef67d38705d087cac9e547c1b9fe9ec5bae5b327a37d256e82b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b394cbada86564c758a71d79d1dad74c51f28a3d507d941cc373e80b6d04cd1
[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" "8b394cbada86564c758a71d79d1dad74c51f28a3d507d941cc373e80b6d04cd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]  Documenting bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "8b394cbada86564c758a71d79d1dad74c51f28a3d507d941cc373e80b6d04cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b394cbada86564c758a71d79d1dad74c51f28a3d507d941cc373e80b6d04cd1", kill_on_drop: false }`
[INFO] [stdout] 8b394cbada86564c758a71d79d1dad74c51f28a3d507d941cc373e80b6d04cd1