[INFO] fetching crate memcached-rs 0.4.2...
[INFO] documenting memcached-rs-0.4.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate memcached-rs 0.4.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate memcached-rs 0.4.2 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 memcached-rs 0.4.2
[INFO] finished tweaking crates.io crate memcached-rs 0.4.2
[INFO] tweaked toml for crates.io crate memcached-rs 0.4.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate memcached-rs 0.4.2 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 wincolor v1.0.1
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] [stderr]   Downloaded conhash v0.4.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.3
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 633e05ece8055b0f35419203c5690765bdd4f481756fcb50f61cce77d8396877
[INFO] running `Command { std: "docker" "start" "-a" "633e05ece8055b0f35419203c5690765bdd4f481756fcb50f61cce77d8396877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "633e05ece8055b0f35419203c5690765bdd4f481756fcb50f61cce77d8396877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633e05ece8055b0f35419203c5690765bdd4f481756fcb50f61cce77d8396877", kill_on_drop: false }`
[INFO] [stdout] 633e05ece8055b0f35419203c5690765bdd4f481756fcb50f61cce77d8396877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4abfe8923eb1ea898cc3c1335b1a82071f559bd682fe499f17161eca777ed104
[INFO] running `Command { std: "docker" "start" "-a" "4abfe8923eb1ea898cc3c1335b1a82071f559bd682fe499f17161eca777ed104", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking conhash v0.4.0
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting memcached-rs v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "4abfe8923eb1ea898cc3c1335b1a82071f559bd682fe499f17161eca777ed104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abfe8923eb1ea898cc3c1335b1a82071f559bd682fe499f17161eca777ed104", kill_on_drop: false }`
[INFO] [stdout] 4abfe8923eb1ea898cc3c1335b1a82071f559bd682fe499f17161eca777ed104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 93f1700f317a41b41e649982ce27474820d5d79dc3c0fdf53acf6aaf10356f6a
[INFO] running `Command { std: "docker" "start" "-a" "93f1700f317a41b41e649982ce27474820d5d79dc3c0fdf53acf6aaf10356f6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking conhash v0.4.0
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting memcached-rs v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "93f1700f317a41b41e649982ce27474820d5d79dc3c0fdf53acf6aaf10356f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f1700f317a41b41e649982ce27474820d5d79dc3c0fdf53acf6aaf10356f6a", kill_on_drop: false }`
[INFO] [stdout] 93f1700f317a41b41e649982ce27474820d5d79dc3c0fdf53acf6aaf10356f6a