[INFO] fetching crate configr_derive 0.8.0...
[INFO] documenting configr_derive-0.8.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate configr_derive 0.8.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate configr_derive 0.8.0 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 configr_derive 0.8.0
[INFO] finished tweaking crates.io crate configr_derive 0.8.0
[INFO] tweaked toml for crates.io crate configr_derive 0.8.0 written to /workspace/builds/worker-94/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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 2c4c74d49171db9ed7dd49d6c4eed9852d284e33cc2c0d415e6d06f047bff277
[INFO] running `Command { std: "docker" "start" "-a" "2c4c74d49171db9ed7dd49d6c4eed9852d284e33cc2c0d415e6d06f047bff277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c4c74d49171db9ed7dd49d6c4eed9852d284e33cc2c0d415e6d06f047bff277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4c74d49171db9ed7dd49d6c4eed9852d284e33cc2c0d415e6d06f047bff277", kill_on_drop: false }`
[INFO] [stdout] 2c4c74d49171db9ed7dd49d6c4eed9852d284e33cc2c0d415e6d06f047bff277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 2f877abdd1bcd7f901cc736233c09783e48bd0e408e00c848f66a24524e70ce4
[INFO] running `Command { std: "docker" "start" "-a" "2f877abdd1bcd7f901cc736233c09783e48bd0e408e00c848f66a24524e70ce4", 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 quote v1.0.18
[INFO] [stderr]  Documenting configr_derive v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "2f877abdd1bcd7f901cc736233c09783e48bd0e408e00c848f66a24524e70ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f877abdd1bcd7f901cc736233c09783e48bd0e408e00c848f66a24524e70ce4", kill_on_drop: false }`
[INFO] [stdout] 2f877abdd1bcd7f901cc736233c09783e48bd0e408e00c848f66a24524e70ce4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 6fd88d214e148e224ea4bf4c18f7914b6f3a6fa6c5aad86463270b8b45dace05
[INFO] running `Command { std: "docker" "start" "-a" "6fd88d214e148e224ea4bf4c18f7914b6f3a6fa6c5aad86463270b8b45dace05", 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 quote v1.0.18
[INFO] [stderr]  Documenting configr_derive v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "6fd88d214e148e224ea4bf4c18f7914b6f3a6fa6c5aad86463270b8b45dace05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd88d214e148e224ea4bf4c18f7914b6f3a6fa6c5aad86463270b8b45dace05", kill_on_drop: false }`
[INFO] [stdout] 6fd88d214e148e224ea4bf4c18f7914b6f3a6fa6c5aad86463270b8b45dace05