[INFO] fetching crate futures-macro-async-preview 0.2.2...
[INFO] documenting futures-macro-async-preview-0.2.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate futures-macro-async-preview 0.2.2 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate futures-macro-async-preview 0.2.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-macro-async-preview 0.2.2
[INFO] finished tweaking crates.io crate futures-macro-async-preview 0.2.2
[INFO] tweaked toml for crates.io crate futures-macro-async-preview 0.2.2 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffed46757dba1ed6b58df29ebe41aca4dbff73f6f4172d8c46a21d6c816b9b36
[INFO] running `Command { std: "docker" "start" "-a" "ffed46757dba1ed6b58df29ebe41aca4dbff73f6f4172d8c46a21d6c816b9b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffed46757dba1ed6b58df29ebe41aca4dbff73f6f4172d8c46a21d6c816b9b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffed46757dba1ed6b58df29ebe41aca4dbff73f6f4172d8c46a21d6c816b9b36", kill_on_drop: false }`
[INFO] [stdout] ffed46757dba1ed6b58df29ebe41aca4dbff73f6f4172d8c46a21d6c816b9b36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24275dfef78ee7339e3864b90a5e662a31ed3384c5810caf20a65442e086f9a8
[INFO] running `Command { std: "docker" "start" "-a" "24275dfef78ee7339e3864b90a5e662a31ed3384c5810caf20a65442e086f9a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]  Documenting futures-macro-async-preview v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "24275dfef78ee7339e3864b90a5e662a31ed3384c5810caf20a65442e086f9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24275dfef78ee7339e3864b90a5e662a31ed3384c5810caf20a65442e086f9a8", kill_on_drop: false }`
[INFO] [stdout] 24275dfef78ee7339e3864b90a5e662a31ed3384c5810caf20a65442e086f9a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 60c225913c0e8b9b424309896108827d4d1e76895698edb2adf87ee33a3cdb38
[INFO] running `Command { std: "docker" "start" "-a" "60c225913c0e8b9b424309896108827d4d1e76895698edb2adf87ee33a3cdb38", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]  Documenting futures-macro-async-preview v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "60c225913c0e8b9b424309896108827d4d1e76895698edb2adf87ee33a3cdb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c225913c0e8b9b424309896108827d4d1e76895698edb2adf87ee33a3cdb38", kill_on_drop: false }`
[INFO] [stdout] 60c225913c0e8b9b424309896108827d4d1e76895698edb2adf87ee33a3cdb38