[INFO] fetching crate qemu_print 0.1.0...
[INFO] documenting qemu_print-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate qemu_print 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate qemu_print 0.1.0 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 qemu_print 0.1.0
[INFO] finished tweaking crates.io crate qemu_print 0.1.0
[INFO] tweaked toml for crates.io crate qemu_print 0.1.0 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a92755f85b88251ed4b8b58ec23c5e5cab6d8f460e2a2a757fa7b48c3f73ad5a
[INFO] running `Command { std: "docker" "start" "-a" "a92755f85b88251ed4b8b58ec23c5e5cab6d8f460e2a2a757fa7b48c3f73ad5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a92755f85b88251ed4b8b58ec23c5e5cab6d8f460e2a2a757fa7b48c3f73ad5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92755f85b88251ed4b8b58ec23c5e5cab6d8f460e2a2a757fa7b48c3f73ad5a", kill_on_drop: false }`
[INFO] [stdout] a92755f85b88251ed4b8b58ec23c5e5cab6d8f460e2a2a757fa7b48c3f73ad5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4ffced209049856c4ac4ff303b64eb8e99bf12bdf0a1e7b1554922ccbedd9037
[INFO] running `Command { std: "docker" "start" "-a" "4ffced209049856c4ac4ff303b64eb8e99bf12bdf0a1e7b1554922ccbedd9037", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking volatile v0.4.5
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking x86_64 v0.14.9
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking uart_16550 v0.2.18
[INFO] [stderr]  Documenting qemu_print v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "4ffced209049856c4ac4ff303b64eb8e99bf12bdf0a1e7b1554922ccbedd9037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ffced209049856c4ac4ff303b64eb8e99bf12bdf0a1e7b1554922ccbedd9037", kill_on_drop: false }`
[INFO] [stdout] 4ffced209049856c4ac4ff303b64eb8e99bf12bdf0a1e7b1554922ccbedd9037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 947e948552a155bc773773684f44c22973d8beff50dbc4f8d16df579a1f73b94
[INFO] running `Command { std: "docker" "start" "-a" "947e948552a155bc773773684f44c22973d8beff50dbc4f8d16df579a1f73b94", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking volatile v0.4.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking x86_64 v0.14.9
[INFO] [stderr]     Checking uart_16550 v0.2.18
[INFO] [stderr]  Documenting qemu_print v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "947e948552a155bc773773684f44c22973d8beff50dbc4f8d16df579a1f73b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947e948552a155bc773773684f44c22973d8beff50dbc4f8d16df579a1f73b94", kill_on_drop: false }`
[INFO] [stdout] 947e948552a155bc773773684f44c22973d8beff50dbc4f8d16df579a1f73b94