[INFO] fetching crate async-shell 0.1.2...
[INFO] documenting async-shell-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate async-shell 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate async-shell 0.1.2 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 async-shell 0.1.2
[INFO] finished tweaking crates.io crate async-shell 0.1.2
[INFO] tweaked toml for crates.io crate async-shell 0.1.2 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45a71b51d353031ef06cb9f3c7800a7681176bcea5d4f102cf098cb6804d4e7e
[INFO] running `Command { std: "docker" "start" "-a" "45a71b51d353031ef06cb9f3c7800a7681176bcea5d4f102cf098cb6804d4e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45a71b51d353031ef06cb9f3c7800a7681176bcea5d4f102cf098cb6804d4e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a71b51d353031ef06cb9f3c7800a7681176bcea5d4f102cf098cb6804d4e7e", kill_on_drop: false }`
[INFO] [stdout] 45a71b51d353031ef06cb9f3c7800a7681176bcea5d4f102cf098cb6804d4e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06fd7b3d1955e834b03364962add203fe198f2b79cf6e7effbae9c09c8a26a46
[INFO] running `Command { std: "docker" "start" "-a" "06fd7b3d1955e834b03364962add203fe198f2b79cf6e7effbae9c09c8a26a46", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]  Documenting async-shell v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.09s
[INFO] running `Command { std: "docker" "inspect" "06fd7b3d1955e834b03364962add203fe198f2b79cf6e7effbae9c09c8a26a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06fd7b3d1955e834b03364962add203fe198f2b79cf6e7effbae9c09c8a26a46", kill_on_drop: false }`
[INFO] [stdout] 06fd7b3d1955e834b03364962add203fe198f2b79cf6e7effbae9c09c8a26a46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae5725b5796241f3e99657f6116cf15ad9a872d6004d2663eb7306b32d8903fa
[INFO] running `Command { std: "docker" "start" "-a" "ae5725b5796241f3e99657f6116cf15ad9a872d6004d2663eb7306b32d8903fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]  Documenting async-shell v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.98s
[INFO] running `Command { std: "docker" "inspect" "ae5725b5796241f3e99657f6116cf15ad9a872d6004d2663eb7306b32d8903fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5725b5796241f3e99657f6116cf15ad9a872d6004d2663eb7306b32d8903fa", kill_on_drop: false }`
[INFO] [stdout] ae5725b5796241f3e99657f6116cf15ad9a872d6004d2663eb7306b32d8903fa