[INFO] fetching crate smartstring 1.0.1...
[INFO] documenting smartstring-1.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate smartstring 1.0.1 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate smartstring 1.0.1 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 smartstring 1.0.1
[INFO] finished tweaking crates.io crate smartstring 1.0.1
[INFO] tweaked toml for crates.io crate smartstring 1.0.1 written to /workspace/builds/worker-38/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] [stderr]     Blocking waiting for file lock on package cache
[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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 208e1091299438aaa4fb501d1ce96f1b83e33864f597fdc9f52143fa2490b4bb
[INFO] running `Command { std: "docker" "start" "-a" "208e1091299438aaa4fb501d1ce96f1b83e33864f597fdc9f52143fa2490b4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "208e1091299438aaa4fb501d1ce96f1b83e33864f597fdc9f52143fa2490b4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208e1091299438aaa4fb501d1ce96f1b83e33864f597fdc9f52143fa2490b4bb", kill_on_drop: false }`
[INFO] [stdout] 208e1091299438aaa4fb501d1ce96f1b83e33864f597fdc9f52143fa2490b4bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 2c19ff79e6b71557d2a4d4c4da57604251b3ec8c2eff3ee7086b574325d24280
[INFO] running `Command { std: "docker" "start" "-a" "2c19ff79e6b71557d2a4d4c4da57604251b3ec8c2eff3ee7086b574325d24280", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling smartstring v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting smartstring v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "2c19ff79e6b71557d2a4d4c4da57604251b3ec8c2eff3ee7086b574325d24280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c19ff79e6b71557d2a4d4c4da57604251b3ec8c2eff3ee7086b574325d24280", kill_on_drop: false }`
[INFO] [stdout] 2c19ff79e6b71557d2a4d4c4da57604251b3ec8c2eff3ee7086b574325d24280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "--features" "arbitrary proptest serde" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 530fa78a91c6e5f9a54cf04d558eb4f43d2bcb4169dfc4834cc6204a17eaca2e
[INFO] running `Command { std: "docker" "start" "-a" "530fa78a91c6e5f9a54cf04d558eb4f43d2bcb4169dfc4834cc6204a17eaca2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking arbitrary v1.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling smartstring v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]  Documenting smartstring v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "530fa78a91c6e5f9a54cf04d558eb4f43d2bcb4169dfc4834cc6204a17eaca2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530fa78a91c6e5f9a54cf04d558eb4f43d2bcb4169dfc4834cc6204a17eaca2e", kill_on_drop: false }`
[INFO] [stdout] 530fa78a91c6e5f9a54cf04d558eb4f43d2bcb4169dfc4834cc6204a17eaca2e