[INFO] cloning repository https://github.com/tiden0614/completable-future-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiden0614/completable-future-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiden0614%2Fcompletable-future-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiden0614%2Fcompletable-future-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c066b3cc3aa4493ea1ff7e54880be31372631c8
[INFO] documenting tiden0614/completable-future-rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiden0614%2Fcompletable-future-rs" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiden0614/completable-future-rs 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 git repo https://github.com/tiden0614/completable-future-rs
[INFO] finished tweaking git repo https://github.com/tiden0614/completable-future-rs
[INFO] tweaked toml for git repo https://github.com/tiden0614/completable-future-rs written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/tiden0614/completable-future-rs already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core v0.2.1
[INFO] [stderr]   Downloaded futures v0.2.1
[INFO] [stderr]   Downloaded futures-util v0.2.1
[INFO] [stderr]   Downloaded futures-async-runtime v0.2.1
[INFO] [stderr]   Downloaded futures-executor v0.2.1
[INFO] [stderr]   Downloaded futures-stable v0.2.1
[INFO] [stderr]   Downloaded futures-io v0.2.1
[INFO] [stderr]   Downloaded futures-channel v0.2.1
[INFO] [stderr]   Downloaded futures-sink v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 52106619ee46b037e4a0ff4777fc04768bed5fd6ff3eab1048b55e09687bbb24
[INFO] running `Command { std: "docker" "start" "-a" "52106619ee46b037e4a0ff4777fc04768bed5fd6ff3eab1048b55e09687bbb24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52106619ee46b037e4a0ff4777fc04768bed5fd6ff3eab1048b55e09687bbb24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52106619ee46b037e4a0ff4777fc04768bed5fd6ff3eab1048b55e09687bbb24", kill_on_drop: false }`
[INFO] [stdout] 52106619ee46b037e4a0ff4777fc04768bed5fd6ff3eab1048b55e09687bbb24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 229850c39646bba117670b529f02ccd9bb8d1850c562e6c58d9c59361394a49e
[INFO] running `Command { std: "docker" "start" "-a" "229850c39646bba117670b529f02ccd9bb8d1850c562e6c58d9c59361394a49e", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]     Checking futures-channel v0.2.1
[INFO] [stderr]     Checking futures-sink v0.2.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking futures-io v0.2.1
[INFO] [stderr]     Checking futures-util v0.2.1
[INFO] [stderr]     Checking futures-executor v0.2.1
[INFO] [stderr]     Checking futures-stable v0.2.1
[INFO] [stderr]     Checking futures-async-runtime v0.2.1
[INFO] [stderr]     Checking futures v0.2.1
[INFO] [stderr]  Documenting completable_future v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `Command { std: "docker" "inspect" "229850c39646bba117670b529f02ccd9bb8d1850c562e6c58d9c59361394a49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229850c39646bba117670b529f02ccd9bb8d1850c562e6c58d9c59361394a49e", kill_on_drop: false }`
[INFO] [stdout] 229850c39646bba117670b529f02ccd9bb8d1850c562e6c58d9c59361394a49e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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: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] 050c0b6e46dc7cc86b50c8bb1deb33fbbae93b9f93b304989cdabbd5de04e02f
[INFO] running `Command { std: "docker" "start" "-a" "050c0b6e46dc7cc86b50c8bb1deb33fbbae93b9f93b304989cdabbd5de04e02f", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]     Checking futures-channel v0.2.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking futures-io v0.2.1
[INFO] [stderr]     Checking futures-sink v0.2.1
[INFO] [stderr]     Checking futures-util v0.2.1
[INFO] [stderr]     Checking futures-executor v0.2.1
[INFO] [stderr]     Checking futures-stable v0.2.1
[INFO] [stderr]     Checking futures-async-runtime v0.2.1
[INFO] [stderr]     Checking futures v0.2.1
[INFO] [stderr]  Documenting completable_future v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "050c0b6e46dc7cc86b50c8bb1deb33fbbae93b9f93b304989cdabbd5de04e02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050c0b6e46dc7cc86b50c8bb1deb33fbbae93b9f93b304989cdabbd5de04e02f", kill_on_drop: false }`
[INFO] [stdout] 050c0b6e46dc7cc86b50c8bb1deb33fbbae93b9f93b304989cdabbd5de04e02f