[INFO] fetching crate percy-css-macro 0.1.1...
[INFO] documenting percy-css-macro-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate percy-css-macro 0.1.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate percy-css-macro 0.1.1 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 percy-css-macro 0.1.1
[INFO] finished tweaking crates.io crate percy-css-macro 0.1.1
[INFO] tweaked toml for crates.io crate percy-css-macro 0.1.1 written to /workspace/builds/worker-22/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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 6cf5934ba6d584f64a4594643b72653436f549acd09538ad771f1d987391ffc5
[INFO] running `Command { std: "docker" "start" "-a" "6cf5934ba6d584f64a4594643b72653436f549acd09538ad771f1d987391ffc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cf5934ba6d584f64a4594643b72653436f549acd09538ad771f1d987391ffc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf5934ba6d584f64a4594643b72653436f549acd09538ad771f1d987391ffc5", kill_on_drop: false }`
[INFO] [stdout] 6cf5934ba6d584f64a4594643b72653436f549acd09538ad771f1d987391ffc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 40cf0a13c83458558cb7b4951b13641d3afa2a0d45ece7821996cf46e88c4120
[INFO] running `Command { std: "docker" "start" "-a" "40cf0a13c83458558cb7b4951b13641d3afa2a0d45ece7821996cf46e88c4120", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]  Documenting percy-css-macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "40cf0a13c83458558cb7b4951b13641d3afa2a0d45ece7821996cf46e88c4120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40cf0a13c83458558cb7b4951b13641d3afa2a0d45ece7821996cf46e88c4120", kill_on_drop: false }`
[INFO] [stdout] 40cf0a13c83458558cb7b4951b13641d3afa2a0d45ece7821996cf46e88c4120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 158b7d6fe48ff582dce8e4e9a262ec2ba4f21fce2f1bfec9757c708ffd4f00f7
[INFO] running `Command { std: "docker" "start" "-a" "158b7d6fe48ff582dce8e4e9a262ec2ba4f21fce2f1bfec9757c708ffd4f00f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]  Documenting percy-css-macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "158b7d6fe48ff582dce8e4e9a262ec2ba4f21fce2f1bfec9757c708ffd4f00f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158b7d6fe48ff582dce8e4e9a262ec2ba4f21fce2f1bfec9757c708ffd4f00f7", kill_on_drop: false }`
[INFO] [stdout] 158b7d6fe48ff582dce8e4e9a262ec2ba4f21fce2f1bfec9757c708ffd4f00f7