[INFO] fetching crate former_meta 0.1.10...
[INFO] documenting former_meta-0.1.10 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate former_meta 0.1.10 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate former_meta 0.1.10 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 former_meta 0.1.10
[INFO] finished tweaking crates.io crate former_meta 0.1.10
[INFO] tweaked toml for crates.io crate former_meta 0.1.10 written to /workspace/builds/worker-37/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] [stdout] 18996f71becece8e9237094c55ad86fe6e0aeeeb7520ba11059264c9bea723e8
[INFO] running `Command { std: "docker" "start" "-a" "18996f71becece8e9237094c55ad86fe6e0aeeeb7520ba11059264c9bea723e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18996f71becece8e9237094c55ad86fe6e0aeeeb7520ba11059264c9bea723e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18996f71becece8e9237094c55ad86fe6e0aeeeb7520ba11059264c9bea723e8", kill_on_drop: false }`
[INFO] [stdout] 18996f71becece8e9237094c55ad86fe6e0aeeeb7520ba11059264c9bea723e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] [stdout] 615e296b0b9e570fc5c74bfe95b167caaf931abdcf1e755c1ab8767a04486a52
[INFO] running `Command { std: "docker" "start" "-a" "615e296b0b9e570fc5c74bfe95b167caaf931abdcf1e755c1ab8767a04486a52", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking type_constructor v0.1.13
[INFO] [stderr]     Checking winterval v0.1.3
[INFO] [stderr]     Checking werror v0.1.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking proc-macro2 v1.0.39
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking iter_tools v0.1.3
[INFO] [stderr]     Checking proc_macro_tools v0.1.3
[INFO] [stderr]  Documenting former_meta v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "615e296b0b9e570fc5c74bfe95b167caaf931abdcf1e755c1ab8767a04486a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615e296b0b9e570fc5c74bfe95b167caaf931abdcf1e755c1ab8767a04486a52", kill_on_drop: false }`
[INFO] [stdout] 615e296b0b9e570fc5c74bfe95b167caaf931abdcf1e755c1ab8767a04486a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 318e6cc12796ed6ca240cb9020b179959ca1f0b6b83b2e1f87c69c70575c7d5c
[INFO] running `Command { std: "docker" "start" "-a" "318e6cc12796ed6ca240cb9020b179959ca1f0b6b83b2e1f87c69c70575c7d5c", 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 either v1.6.1
[INFO] [stderr]     Checking type_constructor v0.1.13
[INFO] [stderr]     Checking winterval v0.1.3
[INFO] [stderr]     Checking werror v0.1.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking iter_tools v0.1.3
[INFO] [stderr]     Checking proc_macro_tools v0.1.3
[INFO] [stderr]  Documenting former_meta v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `Command { std: "docker" "inspect" "318e6cc12796ed6ca240cb9020b179959ca1f0b6b83b2e1f87c69c70575c7d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318e6cc12796ed6ca240cb9020b179959ca1f0b6b83b2e1f87c69c70575c7d5c", kill_on_drop: false }`
[INFO] [stdout] 318e6cc12796ed6ca240cb9020b179959ca1f0b6b83b2e1f87c69c70575c7d5c