[INFO] fetching crate async-fetcher 0.1.2...
[INFO] documenting async-fetcher-0.1.2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate async-fetcher 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-fetcher 0.1.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-fetcher 0.1.2
[INFO] finished tweaking crates.io crate async-fetcher 0.1.2
[INFO] tweaked toml for crates.io crate async-fetcher 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b20b95aba26026dd1649d2317148d3d949452657fc98c946eb8b15926a266c52
[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" "b20b95aba26026dd1649d2317148d3d949452657fc98c946eb8b15926a266c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b20b95aba26026dd1649d2317148d3d949452657fc98c946eb8b15926a266c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20b95aba26026dd1649d2317148d3d949452657fc98c946eb8b15926a266c52", kill_on_drop: false }`
[INFO] [stdout] b20b95aba26026dd1649d2317148d3d949452657fc98c946eb8b15926a266c52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ef3dc1398ffebb3e3c5ca2877ebfd0c254425fab20bc73dc20e2842b1d744d
[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" "82ef3dc1398ffebb3e3c5ca2877ebfd0c254425fab20bc73dc20e2842b1d744d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.9
[INFO] [stderr]     Checking hex-view v0.1.3
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]  Documenting async-fetcher v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "82ef3dc1398ffebb3e3c5ca2877ebfd0c254425fab20bc73dc20e2842b1d744d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ef3dc1398ffebb3e3c5ca2877ebfd0c254425fab20bc73dc20e2842b1d744d", kill_on_drop: false }`
[INFO] [stdout] 82ef3dc1398ffebb3e3c5ca2877ebfd0c254425fab20bc73dc20e2842b1d744d
