[INFO] cloning repository https://github.com/qbx2/keep-it-alive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qbx2/keep-it-alive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqbx2%2Fkeep-it-alive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqbx2%2Fkeep-it-alive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acc3a7eeac23699b1e1d09172602d7493722871d
[INFO] documenting qbx2/keep-it-alive 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%2Fqbx2%2Fkeep-it-alive" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qbx2/keep-it-alive 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/qbx2/keep-it-alive
[INFO] finished tweaking git repo https://github.com/qbx2/keep-it-alive
[INFO] tweaked toml for git repo https://github.com/qbx2/keep-it-alive written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/qbx2/keep-it-alive 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5be737a8a4f52c24ce4b421e15d13ae4ddcc81fd9d66e6faaa42fbeec29c0bb6
[INFO] running `Command { std: "docker" "start" "-a" "5be737a8a4f52c24ce4b421e15d13ae4ddcc81fd9d66e6faaa42fbeec29c0bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5be737a8a4f52c24ce4b421e15d13ae4ddcc81fd9d66e6faaa42fbeec29c0bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be737a8a4f52c24ce4b421e15d13ae4ddcc81fd9d66e6faaa42fbeec29c0bb6", kill_on_drop: false }`
[INFO] [stdout] 5be737a8a4f52c24ce4b421e15d13ae4ddcc81fd9d66e6faaa42fbeec29c0bb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b3eab8a20e58d3b9ab199d1b86c584b7d743f0191e09a00ece431617bbb8aef3
[INFO] running `Command { std: "docker" "start" "-a" "b3eab8a20e58d3b9ab199d1b86c584b7d743f0191e09a00ece431617bbb8aef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]  Documenting keep-it-alive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `Command { std: "docker" "inspect" "b3eab8a20e58d3b9ab199d1b86c584b7d743f0191e09a00ece431617bbb8aef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3eab8a20e58d3b9ab199d1b86c584b7d743f0191e09a00ece431617bbb8aef3", kill_on_drop: false }`
[INFO] [stdout] b3eab8a20e58d3b9ab199d1b86c584b7d743f0191e09a00ece431617bbb8aef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] ee5d493ad2eeb29d625b72a7cf7b78c2624b0a81cd49684c7fc614f250339346
[INFO] running `Command { std: "docker" "start" "-a" "ee5d493ad2eeb29d625b72a7cf7b78c2624b0a81cd49684c7fc614f250339346", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]  Documenting keep-it-alive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.57s
[INFO] running `Command { std: "docker" "inspect" "ee5d493ad2eeb29d625b72a7cf7b78c2624b0a81cd49684c7fc614f250339346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5d493ad2eeb29d625b72a7cf7b78c2624b0a81cd49684c7fc614f250339346", kill_on_drop: false }`
[INFO] [stdout] ee5d493ad2eeb29d625b72a7cf7b78c2624b0a81cd49684c7fc614f250339346