[INFO] fetching crate coitrees 0.2.1...
[INFO] documenting coitrees-0.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate coitrees 0.2.1 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate coitrees 0.2.1 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 coitrees 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate coitrees 0.2.1
[INFO] tweaked toml for crates.io crate coitrees 0.2.1 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate coitrees 0.2.1 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] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] f63d7f23d6cbd6a34676805d909ed568056a810a542096eb6b1950a78bf9de27
[INFO] running `Command { std: "docker" "start" "-a" "f63d7f23d6cbd6a34676805d909ed568056a810a542096eb6b1950a78bf9de27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f63d7f23d6cbd6a34676805d909ed568056a810a542096eb6b1950a78bf9de27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63d7f23d6cbd6a34676805d909ed568056a810a542096eb6b1950a78bf9de27", kill_on_drop: false }`
[INFO] [stdout] f63d7f23d6cbd6a34676805d909ed568056a810a542096eb6b1950a78bf9de27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 3ac8e8d1ace1346035eb45a8447a653fdcdde57f679cc4ff125fcf4c20933d16
[INFO] running `Command { std: "docker" "start" "-a" "3ac8e8d1ace1346035eb45a8447a653fdcdde57f679cc4ff125fcf4c20933d16", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Documenting coitrees v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "3ac8e8d1ace1346035eb45a8447a653fdcdde57f679cc4ff125fcf4c20933d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac8e8d1ace1346035eb45a8447a653fdcdde57f679cc4ff125fcf4c20933d16", kill_on_drop: false }`
[INFO] [stdout] 3ac8e8d1ace1346035eb45a8447a653fdcdde57f679cc4ff125fcf4c20933d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] e2b3f922848cf738e6968f6e17ac53758f7ef47659eba7aa3bc6c4d6f6f0121d
[INFO] running `Command { std: "docker" "start" "-a" "e2b3f922848cf738e6968f6e17ac53758f7ef47659eba7aa3bc6c4d6f6f0121d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Documenting coitrees v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "e2b3f922848cf738e6968f6e17ac53758f7ef47659eba7aa3bc6c4d6f6f0121d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b3f922848cf738e6968f6e17ac53758f7ef47659eba7aa3bc6c4d6f6f0121d", kill_on_drop: false }`
[INFO] [stdout] e2b3f922848cf738e6968f6e17ac53758f7ef47659eba7aa3bc6c4d6f6f0121d