[INFO] fetching crate treelight 0.3.1...
[INFO] documenting treelight-0.3.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate treelight 0.3.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate treelight 0.3.1 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 treelight 0.3.1
[INFO] finished tweaking crates.io crate treelight 0.3.1
[INFO] tweaked toml for crates.io crate treelight 0.3.1 written to /workspace/builds/worker-28/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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 788a9d4004eec90c1ce0df9bb85db135c5dca58a8e7647679092785fa996286d
[INFO] running `Command { std: "docker" "start" "-a" "788a9d4004eec90c1ce0df9bb85db135c5dca58a8e7647679092785fa996286d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788a9d4004eec90c1ce0df9bb85db135c5dca58a8e7647679092785fa996286d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788a9d4004eec90c1ce0df9bb85db135c5dca58a8e7647679092785fa996286d", kill_on_drop: false }`
[INFO] [stdout] 788a9d4004eec90c1ce0df9bb85db135c5dca58a8e7647679092785fa996286d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 9f4c03aac7f09e87603ec1da78923acf24ce761a63a7be8fe616b4a1af940445
[INFO] running `Command { std: "docker" "start" "-a" "9f4c03aac7f09e87603ec1da78923acf24ce761a63a7be8fe616b4a1af940445", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling v_escape v0.18.0
[INFO] [stderr]     Checking buf-min v0.6.1
[INFO] [stderr]    Compiling v_htmlescape v0.14.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tree-sitter v0.20.6
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling v_escape_derive v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tree-sitter-highlight v0.20.1
[INFO] [stderr]  Documenting treelight v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "9f4c03aac7f09e87603ec1da78923acf24ce761a63a7be8fe616b4a1af940445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4c03aac7f09e87603ec1da78923acf24ce761a63a7be8fe616b4a1af940445", kill_on_drop: false }`
[INFO] [stdout] 9f4c03aac7f09e87603ec1da78923acf24ce761a63a7be8fe616b4a1af940445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] e87562e6435a76aba6bb56cefaac7aff1f3986d4a9484c4bf097a56c403c5fba
[INFO] running `Command { std: "docker" "start" "-a" "e87562e6435a76aba6bb56cefaac7aff1f3986d4a9484c4bf097a56c403c5fba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling v_escape v0.18.0
[INFO] [stderr]    Compiling v_htmlescape v0.14.1
[INFO] [stderr]     Checking buf-min v0.6.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling tree-sitter v0.20.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling v_escape_derive v0.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tree-sitter-highlight v0.20.1
[INFO] [stderr]  Documenting treelight v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `Command { std: "docker" "inspect" "e87562e6435a76aba6bb56cefaac7aff1f3986d4a9484c4bf097a56c403c5fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87562e6435a76aba6bb56cefaac7aff1f3986d4a9484c4bf097a56c403c5fba", kill_on_drop: false }`
[INFO] [stdout] e87562e6435a76aba6bb56cefaac7aff1f3986d4a9484c4bf097a56c403c5fba