[INFO] fetching crate async-std 1.6.3...
[INFO] documenting async-std-1.6.3 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate async-std 1.6.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-std 1.6.3 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 crates.io crate async-std 1.6.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate async-std 1.6.3
[INFO] tweaked toml for crates.io crate async-std 1.6.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate async-std 1.6.3 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] [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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6474a93a8958b4327b4a20c174b3f9914cdbbff58835a93cd8c8342149deaf35
[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" "6474a93a8958b4327b4a20c174b3f9914cdbbff58835a93cd8c8342149deaf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6474a93a8958b4327b4a20c174b3f9914cdbbff58835a93cd8c8342149deaf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6474a93a8958b4327b4a20c174b3f9914cdbbff58835a93cd8c8342149deaf35", kill_on_drop: false }`
[INFO] [stdout] 6474a93a8958b4327b4a20c174b3f9914cdbbff58835a93cd8c8342149deaf35
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3975bdba9b8b6a1a9a84b2fffae6ddf1d72540c4d962b3f0c34565523e84f90f
[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" "3975bdba9b8b6a1a9a84b2fffae6ddf1d72540c4d962b3f0c34565523e84f90f", kill_on_drop: false }`
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking event-listener v2.3.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]     Checking concurrent-queue v1.2.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-io v0.1.9
[INFO] [stderr]     Checking blocking v0.5.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]  Documenting async-std v1.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.72s
[INFO] running `Command { std: "docker" "inspect" "3975bdba9b8b6a1a9a84b2fffae6ddf1d72540c4d962b3f0c34565523e84f90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3975bdba9b8b6a1a9a84b2fffae6ddf1d72540c4d962b3f0c34565523e84f90f", kill_on_drop: false }`
[INFO] [stdout] 3975bdba9b8b6a1a9a84b2fffae6ddf1d72540c4d962b3f0c34565523e84f90f