[INFO] fetching crate async-vfs-os 0.52.0...
[INFO] documenting async-vfs-os-0.52.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate async-vfs-os 0.52.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate async-vfs-os 0.52.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-vfs-os 0.52.0
[INFO] finished tweaking crates.io crate async-vfs-os 0.52.0
[INFO] tweaked toml for crates.io crate async-vfs-os 0.52.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-compat v0.2.1
[INFO] [stderr]   Downloaded async-vfs v0.52.0
[INFO] [stderr]   Downloaded smol-potat-macro v0.6.0
[INFO] [stderr]   Downloaded smol-potat v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca8d76680fccb7aae2332d22698e06846860b5b1983dcd68753e7333333bba27
[INFO] running `Command { std: "docker" "start" "-a" "ca8d76680fccb7aae2332d22698e06846860b5b1983dcd68753e7333333bba27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca8d76680fccb7aae2332d22698e06846860b5b1983dcd68753e7333333bba27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8d76680fccb7aae2332d22698e06846860b5b1983dcd68753e7333333bba27", kill_on_drop: false }`
[INFO] [stdout] ca8d76680fccb7aae2332d22698e06846860b5b1983dcd68753e7333333bba27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 652e335efb420145c61931cc9ed89c65edfcb9dab2c176ee355e69bfcdfadc07
[INFO] running `Command { std: "docker" "start" "-a" "652e335efb420145c61931cc9ed89c65edfcb9dab2c176ee355e69bfcdfadc07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking async-vfs v0.52.0
[INFO] [stderr]  Documenting async-vfs-os v0.52.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: async-vfs:
[INFO] [stdout]        You must enable one of the three runtime feature flags
[INFO] [stdout]        to use this crate: async-std/smol/tokio.
[INFO] [stdout]   --> src/fs_shims.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         compile_error!("async-vfs:
[INFO] [stdout] 21 | | You must enable one of the three runtime feature flags
[INFO] [stdout] 22 | | to use this crate: async-std/smol/tokio."
[INFO] [stdout] 23 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::fs_shims::fs`, `crate::fs_shims::read_dir`, `crate::fs_shims::Path`, `crate::fs_shims::PathBuf`
[INFO] [stdout]  --> src/os.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::fs_shims::{fs, read_dir, Path, PathBuf};
[INFO] [stdout]   |                       ^^  ^^^^^^^^  ^^^^  ^^^^^^^ no `PathBuf` in `fs_shims`
[INFO] [stdout]   |                       |   |         |
[INFO] [stdout]   |                       |   |         no `Path` in `fs_shims`
[INFO] [stdout]   |                       |   no `read_dir` in `fs_shims`
[INFO] [stdout]   |                       no `fs` in `fs_shims`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `async-vfs-os`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name async_vfs_os src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e8218916f6d3c09e -L dependency=/opt/rustwide/target/debug/deps --extern async_vfs=/opt/rustwide/target/debug/deps/libasync_vfs-45741d2cff6b71ed.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dcce77079dd8fe1e.rmeta --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-2d2ebad94b5b460a.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-3a06c4d0f00fc333.rmeta --cap-lints=warn --crate-version 0.52.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "652e335efb420145c61931cc9ed89c65edfcb9dab2c176ee355e69bfcdfadc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652e335efb420145c61931cc9ed89c65edfcb9dab2c176ee355e69bfcdfadc07", kill_on_drop: false }`
[INFO] [stdout] 652e335efb420145c61931cc9ed89c65edfcb9dab2c176ee355e69bfcdfadc07