[INFO] fetching crate flask 2.0.4...
[INFO] documenting flask-2.0.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate flask 2.0.4 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate flask 2.0.4 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 flask 2.0.4
[INFO] finished tweaking crates.io crate flask 2.0.4
[INFO] tweaked toml for crates.io crate flask 2.0.4 written to /workspace/builds/worker-37/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a7539fa231e960e8d4e11917c19af36479bd348947f451c22f99e899df714e04
[INFO] running `Command { std: "docker" "start" "-a" "a7539fa231e960e8d4e11917c19af36479bd348947f451c22f99e899df714e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7539fa231e960e8d4e11917c19af36479bd348947f451c22f99e899df714e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7539fa231e960e8d4e11917c19af36479bd348947f451c22f99e899df714e04", kill_on_drop: false }`
[INFO] [stdout] a7539fa231e960e8d4e11917c19af36479bd348947f451c22f99e899df714e04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 529722e0fae507f26c7e679034773da021493dae933072ebfca2f5e98344c359
[INFO] running `Command { std: "docker" "start" "-a" "529722e0fae507f26c7e679034773da021493dae933072ebfca2f5e98344c359", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]  Documenting flask v2.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "529722e0fae507f26c7e679034773da021493dae933072ebfca2f5e98344c359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529722e0fae507f26c7e679034773da021493dae933072ebfca2f5e98344c359", kill_on_drop: false }`
[INFO] [stdout] 529722e0fae507f26c7e679034773da021493dae933072ebfca2f5e98344c359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 51745137f86964b550c1c704a3662337191e7dc6def097921eca59a619cdea36
[INFO] running `Command { std: "docker" "start" "-a" "51745137f86964b550c1c704a3662337191e7dc6def097921eca59a619cdea36", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]  Documenting flask v2.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.87s
[INFO] running `Command { std: "docker" "inspect" "51745137f86964b550c1c704a3662337191e7dc6def097921eca59a619cdea36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51745137f86964b550c1c704a3662337191e7dc6def097921eca59a619cdea36", kill_on_drop: false }`
[INFO] [stdout] 51745137f86964b550c1c704a3662337191e7dc6def097921eca59a619cdea36