[INFO] fetching crate async-observable 0.4.2...
[INFO] documenting async-observable-0.4.2 against 1.86.0 for beta-1.87-rustdoc-2
[INFO] extracting crate async-observable 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate async-observable 0.4.2 on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-observable 0.4.2
[INFO] finished tweaking crates.io crate async-observable 0.4.2
[INFO] tweaked toml for crates.io crate async-observable 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-observable 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-executor v1.9.1
[INFO] [stderr]   Downloaded value-bag v1.8.1
[INFO] [stderr]   Downloaded async-io v2.3.2
[INFO] [stderr]   Downloaded syn v2.0.58
[INFO] [stderr]   Downloaded rustix v0.37.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59dce944998475c0b6aefe1606be25ab4bf477f6a3ea211e732adca48f8d1003
[INFO] running `Command { std: "docker" "start" "-a" "59dce944998475c0b6aefe1606be25ab4bf477f6a3ea211e732adca48f8d1003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59dce944998475c0b6aefe1606be25ab4bf477f6a3ea211e732adca48f8d1003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59dce944998475c0b6aefe1606be25ab4bf477f6a3ea211e732adca48f8d1003", kill_on_drop: false }`
[INFO] [stdout] 59dce944998475c0b6aefe1606be25ab4bf477f6a3ea211e732adca48f8d1003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ea4aa42d5a9b345ae3fda06bcdbf19e32263e538800545da5d7b8e936ef26ed
[INFO] running `Command { std: "docker" "start" "-a" "1ea4aa42d5a9b345ae3fda06bcdbf19e32263e538800545da5d7b8e936ef26ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]  Documenting async-observable v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.97s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/async_observable/index.html
[INFO] running `Command { std: "docker" "inspect" "1ea4aa42d5a9b345ae3fda06bcdbf19e32263e538800545da5d7b8e936ef26ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea4aa42d5a9b345ae3fda06bcdbf19e32263e538800545da5d7b8e936ef26ed", kill_on_drop: false }`
[INFO] [stdout] 1ea4aa42d5a9b345ae3fda06bcdbf19e32263e538800545da5d7b8e936ef26ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83a6d1d7eef16d8d5c1dc307d91b34ae24c1d7f45acdb8fc7e7a3429e5c43665
[INFO] running `Command { std: "docker" "start" "-a" "83a6d1d7eef16d8d5c1dc307d91b34ae24c1d7f45acdb8fc7e7a3429e5c43665", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]  Documenting async-observable v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.86s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/async_observable/index.html
[INFO] running `Command { std: "docker" "inspect" "83a6d1d7eef16d8d5c1dc307d91b34ae24c1d7f45acdb8fc7e7a3429e5c43665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a6d1d7eef16d8d5c1dc307d91b34ae24c1d7f45acdb8fc7e7a3429e5c43665", kill_on_drop: false }`
[INFO] [stdout] 83a6d1d7eef16d8d5c1dc307d91b34ae24c1d7f45acdb8fc7e7a3429e5c43665