[INFO] fetching crate futures-await-test-macro-preview 0.3.0-alpha.19...
[INFO] documenting futures-await-test-macro-preview-0.3.0-alpha.19 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate futures-await-test-macro-preview 0.3.0-alpha.19 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate futures-await-test-macro-preview 0.3.0-alpha.19 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-await-test-macro-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-await-test-macro-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-await-test-macro-preview 0.3.0-alpha.19 written to /workspace/builds/worker-88/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 115bfdd62920686eb2d34569e0826421c5209b2b471d243da0c4bf2843a6feed
[INFO] running `Command { std: "docker" "start" "-a" "115bfdd62920686eb2d34569e0826421c5209b2b471d243da0c4bf2843a6feed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "115bfdd62920686eb2d34569e0826421c5209b2b471d243da0c4bf2843a6feed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115bfdd62920686eb2d34569e0826421c5209b2b471d243da0c4bf2843a6feed", kill_on_drop: false }`
[INFO] [stdout] 115bfdd62920686eb2d34569e0826421c5209b2b471d243da0c4bf2843a6feed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] a9394e8f946dbfb13da618ce1d851d24cbf6aa5023bc89c3b36a2d0ea2c992e5
[INFO] running `Command { std: "docker" "start" "-a" "a9394e8f946dbfb13da618ce1d851d24cbf6aa5023bc89c3b36a2d0ea2c992e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting futures-await-test-macro-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "a9394e8f946dbfb13da618ce1d851d24cbf6aa5023bc89c3b36a2d0ea2c992e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9394e8f946dbfb13da618ce1d851d24cbf6aa5023bc89c3b36a2d0ea2c992e5", kill_on_drop: false }`
[INFO] [stdout] a9394e8f946dbfb13da618ce1d851d24cbf6aa5023bc89c3b36a2d0ea2c992e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] 753f03b9c9e42ea7f9f436d116c98028eb6033cb42841a2f43d7bfe90fbad590
[INFO] running `Command { std: "docker" "start" "-a" "753f03b9c9e42ea7f9f436d116c98028eb6033cb42841a2f43d7bfe90fbad590", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting futures-await-test-macro-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.03s
[INFO] running `Command { std: "docker" "inspect" "753f03b9c9e42ea7f9f436d116c98028eb6033cb42841a2f43d7bfe90fbad590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753f03b9c9e42ea7f9f436d116c98028eb6033cb42841a2f43d7bfe90fbad590", kill_on_drop: false }`
[INFO] [stdout] 753f03b9c9e42ea7f9f436d116c98028eb6033cb42841a2f43d7bfe90fbad590