[INFO] fetching crate zerocopy-derive 0.3.1...
[INFO] documenting zerocopy-derive-0.3.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate zerocopy-derive 0.3.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate zerocopy-derive 0.3.1 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 zerocopy-derive 0.3.1
[INFO] finished tweaking crates.io crate zerocopy-derive 0.3.1
[INFO] tweaked toml for crates.io crate zerocopy-derive 0.3.1 written to /workspace/builds/worker-20/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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] bf754738278a80e8f725e2430596273f9019fc0dbb5a6ca5bda27413bdaedffc
[INFO] running `Command { std: "docker" "start" "-a" "bf754738278a80e8f725e2430596273f9019fc0dbb5a6ca5bda27413bdaedffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf754738278a80e8f725e2430596273f9019fc0dbb5a6ca5bda27413bdaedffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf754738278a80e8f725e2430596273f9019fc0dbb5a6ca5bda27413bdaedffc", kill_on_drop: false }`
[INFO] [stdout] bf754738278a80e8f725e2430596273f9019fc0dbb5a6ca5bda27413bdaedffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 7eead249c0a5d049d9b65fd593c854509d9d8121b105d0126377403b76e9c09c
[INFO] running `Command { std: "docker" "start" "-a" "7eead249c0a5d049d9b65fd593c854509d9d8121b105d0126377403b76e9c09c", 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 unicode-xid v0.2.3
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]  Documenting zerocopy-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `Command { std: "docker" "inspect" "7eead249c0a5d049d9b65fd593c854509d9d8121b105d0126377403b76e9c09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eead249c0a5d049d9b65fd593c854509d9d8121b105d0126377403b76e9c09c", kill_on_drop: false }`
[INFO] [stdout] 7eead249c0a5d049d9b65fd593c854509d9d8121b105d0126377403b76e9c09c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 6ba2e613d22b21b7810b8bf55b36dcc9cd05773586bce89ab1def64b3f676a13
[INFO] running `Command { std: "docker" "start" "-a" "6ba2e613d22b21b7810b8bf55b36dcc9cd05773586bce89ab1def64b3f676a13", 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 unicode-xid v0.2.3
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]  Documenting zerocopy-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "6ba2e613d22b21b7810b8bf55b36dcc9cd05773586bce89ab1def64b3f676a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba2e613d22b21b7810b8bf55b36dcc9cd05773586bce89ab1def64b3f676a13", kill_on_drop: false }`
[INFO] [stdout] 6ba2e613d22b21b7810b8bf55b36dcc9cd05773586bce89ab1def64b3f676a13