[INFO] fetching crate polyhorn 0.4.1...
[INFO] documenting polyhorn-0.4.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate polyhorn 0.4.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate polyhorn 0.4.1 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 polyhorn 0.4.1
[INFO] finished tweaking crates.io crate polyhorn 0.4.1
[INFO] tweaked toml for crates.io crate polyhorn 0.4.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate polyhorn 0.4.1 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c54a84f18b08ed3173b088b78097698a90c7ee7025779768a43adc791609c028
[INFO] running `Command { std: "docker" "start" "-a" "c54a84f18b08ed3173b088b78097698a90c7ee7025779768a43adc791609c028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c54a84f18b08ed3173b088b78097698a90c7ee7025779768a43adc791609c028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54a84f18b08ed3173b088b78097698a90c7ee7025779768a43adc791609c028", kill_on_drop: false }`
[INFO] [stdout] c54a84f18b08ed3173b088b78097698a90c7ee7025779768a43adc791609c028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9ab5a9b982cb139666f3bbc286b819a554f9dd70bbe816a507dfeb0b99352919
[INFO] running `Command { std: "docker" "start" "-a" "9ab5a9b982cb139666f3bbc286b819a554f9dd70bbe816a507dfeb0b99352919", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking semver-parser v0.10.1
[INFO] [stderr]    Compiling polyhorn-macros v0.4.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking polyhorn-core v0.4.0
[INFO] [stderr]     Checking cargo-lock v6.0.0
[INFO] [stderr]  Documenting polyhorn v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.83s
[INFO] running `Command { std: "docker" "inspect" "9ab5a9b982cb139666f3bbc286b819a554f9dd70bbe816a507dfeb0b99352919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab5a9b982cb139666f3bbc286b819a554f9dd70bbe816a507dfeb0b99352919", kill_on_drop: false }`
[INFO] [stdout] 9ab5a9b982cb139666f3bbc286b819a554f9dd70bbe816a507dfeb0b99352919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b66dad8ebbfd24ad039a054aa2b82e07214c249a768e711e422a069f84244393
[INFO] running `Command { std: "docker" "start" "-a" "b66dad8ebbfd24ad039a054aa2b82e07214c249a768e711e422a069f84244393", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking semver-parser v0.10.1
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling polyhorn-macros v0.4.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking polyhorn-core v0.4.0
[INFO] [stderr]     Checking cargo-lock v6.0.0
[INFO] [stderr]  Documenting polyhorn v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.77s
[INFO] running `Command { std: "docker" "inspect" "b66dad8ebbfd24ad039a054aa2b82e07214c249a768e711e422a069f84244393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66dad8ebbfd24ad039a054aa2b82e07214c249a768e711e422a069f84244393", kill_on_drop: false }`
[INFO] [stdout] b66dad8ebbfd24ad039a054aa2b82e07214c249a768e711e422a069f84244393