[INFO] cloning repository https://github.com/spygi/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spygi/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspygi%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspygi%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76e7541a8d02d1434ee80b4d7eb37ca469ef864c
[INFO] documenting spygi/rust-sandbox 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%2Fspygi%2Frust-sandbox" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spygi/rust-sandbox 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/spygi/rust-sandbox
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/spygi/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/spygi/rust-sandbox written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/spygi/rust-sandbox 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gzip-header v0.3.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.4
[INFO] [stderr]   Downloaded mockall v0.11.0
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] [stderr]   Downloaded mockall_derive v0.11.0
[INFO] [stderr]   Downloaded fragile v1.2.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.5
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded cargo-tarpaulin v0.20.0
[INFO] [stderr]   Downloaded coveralls-api v0.5.0
[INFO] [stderr]   Downloaded libgit2-sys v0.13.2+1.4.2
[INFO] [stderr]   Downloaded git2 v0.14.2
[INFO] [stderr]   Downloaded procfs v0.12.0
[INFO] [stderr]   Downloaded termtree v0.2.4
[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 9fa12a20946596ef8c140e5518a8a16c83b1566f3e6e416ac3d0d8276494873f
[INFO] running `Command { std: "docker" "start" "-a" "9fa12a20946596ef8c140e5518a8a16c83b1566f3e6e416ac3d0d8276494873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fa12a20946596ef8c140e5518a8a16c83b1566f3e6e416ac3d0d8276494873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa12a20946596ef8c140e5518a8a16c83b1566f3e6e416ac3d0d8276494873f", kill_on_drop: false }`
[INFO] [stdout] 9fa12a20946596ef8c140e5518a8a16c83b1566f3e6e416ac3d0d8276494873f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 3660079b6b3198c283a3aceee8bc3978c70e8908a8eb453aedf38c1e54ae92df
[INFO] running `Command { std: "docker" "start" "-a" "3660079b6b3198c283a3aceee8bc3978c70e8908a8eb453aedf38c1e54ae92df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "3660079b6b3198c283a3aceee8bc3978c70e8908a8eb453aedf38c1e54ae92df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3660079b6b3198c283a3aceee8bc3978c70e8908a8eb453aedf38c1e54ae92df", kill_on_drop: false }`
[INFO] [stdout] 3660079b6b3198c283a3aceee8bc3978c70e8908a8eb453aedf38c1e54ae92df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] b0d06425d7ea583132e3c4b8e18196e669080ab4d60b29a9c229fb7f5918ce60
[INFO] running `Command { std: "docker" "start" "-a" "b0d06425d7ea583132e3c4b8e18196e669080ab4d60b29a9c229fb7f5918ce60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "b0d06425d7ea583132e3c4b8e18196e669080ab4d60b29a9c229fb7f5918ce60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d06425d7ea583132e3c4b8e18196e669080ab4d60b29a9c229fb7f5918ce60", kill_on_drop: false }`
[INFO] [stdout] b0d06425d7ea583132e3c4b8e18196e669080ab4d60b29a9c229fb7f5918ce60