[INFO] fetching crate unic-emoji-char 0.9.0...
[INFO] documenting unic-emoji-char-0.9.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate unic-emoji-char 0.9.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate unic-emoji-char 0.9.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unic-emoji-char 0.9.0
[INFO] finished tweaking crates.io crate unic-emoji-char 0.9.0
[INFO] tweaked toml for crates.io crate unic-emoji-char 0.9.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d07c70031d9e40c05e5116e54aaf0a7b0ee58ed313160ef9ecb70f364ec15390
[INFO] running `Command { std: "docker" "start" "-a" "d07c70031d9e40c05e5116e54aaf0a7b0ee58ed313160ef9ecb70f364ec15390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d07c70031d9e40c05e5116e54aaf0a7b0ee58ed313160ef9ecb70f364ec15390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07c70031d9e40c05e5116e54aaf0a7b0ee58ed313160ef9ecb70f364ec15390", kill_on_drop: false }`
[INFO] [stdout] d07c70031d9e40c05e5116e54aaf0a7b0ee58ed313160ef9ecb70f364ec15390
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b674469c3018f1e8128bd62bebf32ba91ec65fb35174ced32a2dbe45c9ac10e8
[INFO] running `Command { std: "docker" "start" "-a" "b674469c3018f1e8128bd62bebf32ba91ec65fb35174ced32a2dbe45c9ac10e8", kill_on_drop: false }`
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]  Documenting unic-emoji-char v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "b674469c3018f1e8128bd62bebf32ba91ec65fb35174ced32a2dbe45c9ac10e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b674469c3018f1e8128bd62bebf32ba91ec65fb35174ced32a2dbe45c9ac10e8", kill_on_drop: false }`
[INFO] [stdout] b674469c3018f1e8128bd62bebf32ba91ec65fb35174ced32a2dbe45c9ac10e8
[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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 86b57c1844c20a97ebeef63ce1e11106b9ed54a8ac0a99b82bbb9c6d7e8154ec
[INFO] running `Command { std: "docker" "start" "-a" "86b57c1844c20a97ebeef63ce1e11106b9ed54a8ac0a99b82bbb9c6d7e8154ec", kill_on_drop: false }`
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]  Documenting unic-emoji-char v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "86b57c1844c20a97ebeef63ce1e11106b9ed54a8ac0a99b82bbb9c6d7e8154ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b57c1844c20a97ebeef63ce1e11106b9ed54a8ac0a99b82bbb9c6d7e8154ec", kill_on_drop: false }`
[INFO] [stdout] 86b57c1844c20a97ebeef63ce1e11106b9ed54a8ac0a99b82bbb9c6d7e8154ec