[INFO] fetching crate caps 0.5.3...
[INFO] documenting caps-0.5.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate caps 0.5.3 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate caps 0.5.3 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 caps 0.5.3
[INFO] finished tweaking crates.io crate caps 0.5.3
[INFO] tweaked toml for crates.io crate caps 0.5.3 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate caps 0.5.3 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] da92ac5efa4396ca9a147bc7e4c6eaaa9fccc6b775d215000a7a036f642743eb
[INFO] running `Command { std: "docker" "start" "-a" "da92ac5efa4396ca9a147bc7e4c6eaaa9fccc6b775d215000a7a036f642743eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da92ac5efa4396ca9a147bc7e4c6eaaa9fccc6b775d215000a7a036f642743eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da92ac5efa4396ca9a147bc7e4c6eaaa9fccc6b775d215000a7a036f642743eb", kill_on_drop: false }`
[INFO] [stdout] da92ac5efa4396ca9a147bc7e4c6eaaa9fccc6b775d215000a7a036f642743eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 43f78aef4f42b8214040360785d051f0c62bad2cf934320a2b3445cc3e5cc76d
[INFO] running `Command { std: "docker" "start" "-a" "43f78aef4f42b8214040360785d051f0c62bad2cf934320a2b3445cc3e5cc76d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]  Documenting caps v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "43f78aef4f42b8214040360785d051f0c62bad2cf934320a2b3445cc3e5cc76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f78aef4f42b8214040360785d051f0c62bad2cf934320a2b3445cc3e5cc76d", kill_on_drop: false }`
[INFO] [stdout] 43f78aef4f42b8214040360785d051f0c62bad2cf934320a2b3445cc3e5cc76d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 3d5f9ce1e3bbd83095c0e58ea1123856571011692a99b03c8928f509b80f8538
[INFO] running `Command { std: "docker" "start" "-a" "3d5f9ce1e3bbd83095c0e58ea1123856571011692a99b03c8928f509b80f8538", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]  Documenting caps v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "3d5f9ce1e3bbd83095c0e58ea1123856571011692a99b03c8928f509b80f8538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5f9ce1e3bbd83095c0e58ea1123856571011692a99b03c8928f509b80f8538", kill_on_drop: false }`
[INFO] [stdout] 3d5f9ce1e3bbd83095c0e58ea1123856571011692a99b03c8928f509b80f8538