[INFO] fetching crate knock-knock 0.1.1...
[INFO] documenting knock-knock-0.1.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate knock-knock 0.1.1 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate knock-knock 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate knock-knock 0.1.1
[INFO] finished tweaking crates.io crate knock-knock 0.1.1
[INFO] tweaked toml for crates.io crate knock-knock 0.1.1 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate crates.io crate knock-knock 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76d09df909973ce35383ef4fccbd5aaa0650ac3beed9e287b69f94cfc25ed694
[INFO] running `Command { std: "docker" "start" "-a" "76d09df909973ce35383ef4fccbd5aaa0650ac3beed9e287b69f94cfc25ed694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76d09df909973ce35383ef4fccbd5aaa0650ac3beed9e287b69f94cfc25ed694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d09df909973ce35383ef4fccbd5aaa0650ac3beed9e287b69f94cfc25ed694", kill_on_drop: false }`
[INFO] [stdout] 76d09df909973ce35383ef4fccbd5aaa0650ac3beed9e287b69f94cfc25ed694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b656972a6ac62b02ea16fa49d57006bcf691e9f263ef89f9858af29abbf4f100
[INFO] running `Command { std: "docker" "start" "-a" "b656972a6ac62b02ea16fa49d57006bcf691e9f263ef89f9858af29abbf4f100", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking whoisthere v0.1.2
[INFO] [stderr]    Compiling enum-ordinalize v3.1.10
[INFO] [stderr]    Compiling educe v0.4.18
[INFO] [stderr]    Compiling validators-options v0.22.1
[INFO] [stderr]    Compiling validators v0.22.5
[INFO] [stderr]    Compiling validators-derive v0.22.5
[INFO] [stderr]     Checking whois-rust v1.3.2
[INFO] [stderr]  Documenting knock-knock v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.73s
[INFO] running `Command { std: "docker" "inspect" "b656972a6ac62b02ea16fa49d57006bcf691e9f263ef89f9858af29abbf4f100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b656972a6ac62b02ea16fa49d57006bcf691e9f263ef89f9858af29abbf4f100", kill_on_drop: false }`
[INFO] [stdout] b656972a6ac62b02ea16fa49d57006bcf691e9f263ef89f9858af29abbf4f100
