[INFO] fetching crate bufferring 0.0.2...
[INFO] documenting bufferring-0.0.2 against 1.86.0 for beta-1.87-rustdoc-1
[INFO] extracting crate bufferring 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bufferring 0.0.2 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 bufferring 0.0.2
[INFO] finished tweaking crates.io crate bufferring 0.0.2
[INFO] tweaked toml for crates.io crate bufferring 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding proptest v1.2.0 (available: v1.6.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3499ffbd5c9b6172aeafe0b52d5d8218ff5b026532070e78ff1db1cf2826c50c
[INFO] running `Command { std: "docker" "start" "-a" "3499ffbd5c9b6172aeafe0b52d5d8218ff5b026532070e78ff1db1cf2826c50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3499ffbd5c9b6172aeafe0b52d5d8218ff5b026532070e78ff1db1cf2826c50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3499ffbd5c9b6172aeafe0b52d5d8218ff5b026532070e78ff1db1cf2826c50c", kill_on_drop: false }`
[INFO] [stdout] 3499ffbd5c9b6172aeafe0b52d5d8218ff5b026532070e78ff1db1cf2826c50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6e3fd8c0983e9ae0f0ec26d256d44fed735884449c02ece6185c5a786782d495
[INFO] running `Command { std: "docker" "start" "-a" "6e3fd8c0983e9ae0f0ec26d256d44fed735884449c02ece6185c5a786782d495", kill_on_drop: false }`
[INFO] [stderr]  Documenting bufferring v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/bufferring/index.html
[INFO] running `Command { std: "docker" "inspect" "6e3fd8c0983e9ae0f0ec26d256d44fed735884449c02ece6185c5a786782d495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3fd8c0983e9ae0f0ec26d256d44fed735884449c02ece6185c5a786782d495", kill_on_drop: false }`
[INFO] [stdout] 6e3fd8c0983e9ae0f0ec26d256d44fed735884449c02ece6185c5a786782d495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 85894092279bb91cd5d778d0dc788430c559ee98deaf868d892a1095c3d721a6
[INFO] running `Command { std: "docker" "start" "-a" "85894092279bb91cd5d778d0dc788430c559ee98deaf868d892a1095c3d721a6", kill_on_drop: false }`
[INFO] [stderr]  Documenting bufferring v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/bufferring/index.html
[INFO] running `Command { std: "docker" "inspect" "85894092279bb91cd5d778d0dc788430c559ee98deaf868d892a1095c3d721a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85894092279bb91cd5d778d0dc788430c559ee98deaf868d892a1095c3d721a6", kill_on_drop: false }`
[INFO] [stdout] 85894092279bb91cd5d778d0dc788430c559ee98deaf868d892a1095c3d721a6