[INFO] fetching crate stepflow 0.0.8...
[INFO] documenting stepflow-0.0.8 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate stepflow 0.0.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate stepflow 0.0.8 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 stepflow 0.0.8
[INFO] finished tweaking crates.io crate stepflow 0.0.8
[INFO] tweaked toml for crates.io crate stepflow 0.0.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate stepflow 0.0.8 already has a lockfile, it will not be regenerated
[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-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" "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] 7d206fe3c28509d89886232622f6dee0eef52ddb423b99f30b5e4f099e7816a9
[INFO] running `Command { std: "docker" "start" "-a" "7d206fe3c28509d89886232622f6dee0eef52ddb423b99f30b5e4f099e7816a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d206fe3c28509d89886232622f6dee0eef52ddb423b99f30b5e4f099e7816a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d206fe3c28509d89886232622f6dee0eef52ddb423b99f30b5e4f099e7816a9", kill_on_drop: false }`
[INFO] [stdout] 7d206fe3c28509d89886232622f6dee0eef52ddb423b99f30b5e4f099e7816a9
[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" "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] 8fca44f651cd98937d8a7edcff052030e2a3f11a519ec5c64cafd0c171f3b60e
[INFO] running `Command { std: "docker" "start" "-a" "8fca44f651cd98937d8a7edcff052030e2a3f11a519ec5c64cafd0c171f3b60e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking stepflow-base v0.0.5
[INFO] [stderr]     Checking stepflow-data v0.0.5
[INFO] [stderr]     Checking stepflow-step v0.0.5
[INFO] [stderr]     Checking stepflow-action v0.0.6
[INFO] [stderr]     Checking stepflow-session v0.0.7
[INFO] [stderr]  Documenting stepflow v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.70s
[INFO] running `Command { std: "docker" "inspect" "8fca44f651cd98937d8a7edcff052030e2a3f11a519ec5c64cafd0c171f3b60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fca44f651cd98937d8a7edcff052030e2a3f11a519ec5c64cafd0c171f3b60e", kill_on_drop: false }`
[INFO] [stdout] 8fca44f651cd98937d8a7edcff052030e2a3f11a519ec5c64cafd0c171f3b60e
[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" "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] 817788a52611e193e17007c9158bb6daa5f0afbe539a1369f17e9c1e520bbdfb
[INFO] running `Command { std: "docker" "start" "-a" "817788a52611e193e17007c9158bb6daa5f0afbe539a1369f17e9c1e520bbdfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking stepflow-base v0.0.5
[INFO] [stderr]     Checking stepflow-data v0.0.5
[INFO] [stderr]     Checking stepflow-step v0.0.5
[INFO] [stderr]     Checking stepflow-action v0.0.6
[INFO] [stderr]     Checking stepflow-session v0.0.7
[INFO] [stderr]  Documenting stepflow v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.09s
[INFO] running `Command { std: "docker" "inspect" "817788a52611e193e17007c9158bb6daa5f0afbe539a1369f17e9c1e520bbdfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817788a52611e193e17007c9158bb6daa5f0afbe539a1369f17e9c1e520bbdfb", kill_on_drop: false }`
[INFO] [stdout] 817788a52611e193e17007c9158bb6daa5f0afbe539a1369f17e9c1e520bbdfb