[INFO] fetching crate merkledag 0.0.1...
[INFO] documenting merkledag-0.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate merkledag 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate merkledag 0.0.1 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 merkledag 0.0.1
[INFO] finished tweaking crates.io crate merkledag 0.0.1
[INFO] tweaked toml for crates.io crate merkledag 0.0.1 written to /workspace/builds/worker-12/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 719259b5a35d70c814839ede3b212885c94ddd80cd60cc4baf61edac8f4df89a
[INFO] running `Command { std: "docker" "start" "-a" "719259b5a35d70c814839ede3b212885c94ddd80cd60cc4baf61edac8f4df89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "719259b5a35d70c814839ede3b212885c94ddd80cd60cc4baf61edac8f4df89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719259b5a35d70c814839ede3b212885c94ddd80cd60cc4baf61edac8f4df89a", kill_on_drop: false }`
[INFO] [stdout] 719259b5a35d70c814839ede3b212885c94ddd80cd60cc4baf61edac8f4df89a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 527422c51959674b966280bf10f2cd0d4f1eee0d9568d927a3aad8c34389cd6f
[INFO] running `Command { std: "docker" "start" "-a" "527422c51959674b966280bf10f2cd0d4f1eee0d9568d927a3aad8c34389cd6f", kill_on_drop: false }`
[INFO] [stderr]  Documenting merkledag v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "527422c51959674b966280bf10f2cd0d4f1eee0d9568d927a3aad8c34389cd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527422c51959674b966280bf10f2cd0d4f1eee0d9568d927a3aad8c34389cd6f", kill_on_drop: false }`
[INFO] [stdout] 527422c51959674b966280bf10f2cd0d4f1eee0d9568d927a3aad8c34389cd6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ba42d0dd60c282c372d3d22e2a6854f15598906892fae11f43efe5651548516d
[INFO] running `Command { std: "docker" "start" "-a" "ba42d0dd60c282c372d3d22e2a6854f15598906892fae11f43efe5651548516d", kill_on_drop: false }`
[INFO] [stderr]  Documenting merkledag v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "ba42d0dd60c282c372d3d22e2a6854f15598906892fae11f43efe5651548516d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba42d0dd60c282c372d3d22e2a6854f15598906892fae11f43efe5651548516d", kill_on_drop: false }`
[INFO] [stdout] ba42d0dd60c282c372d3d22e2a6854f15598906892fae11f43efe5651548516d