[INFO] cloning repository https://github.com/benjaminhadfield/mmu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjaminhadfield/mmu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhadfield%2Fmmu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhadfield%2Fmmu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2608b8855ef509e896b9f46f439ef0d42417022
[INFO] documenting benjaminhadfield/mmu 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%2Fbenjaminhadfield%2Fmmu" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjaminhadfield/mmu 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/benjaminhadfield/mmu
[INFO] finished tweaking git repo https://github.com/benjaminhadfield/mmu
[INFO] tweaked toml for git repo https://github.com/benjaminhadfield/mmu written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/benjaminhadfield/mmu 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 419aeaf1d5d729f8282a102470c2d74e3bcc10d3673ac3dc4aee926feeb72e39
[INFO] running `Command { std: "docker" "start" "-a" "419aeaf1d5d729f8282a102470c2d74e3bcc10d3673ac3dc4aee926feeb72e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "419aeaf1d5d729f8282a102470c2d74e3bcc10d3673ac3dc4aee926feeb72e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419aeaf1d5d729f8282a102470c2d74e3bcc10d3673ac3dc4aee926feeb72e39", kill_on_drop: false }`
[INFO] [stdout] 419aeaf1d5d729f8282a102470c2d74e3bcc10d3673ac3dc4aee926feeb72e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a53bad01fec0b9f677974561705034ae4e02ca3263f464375301f27efac2d154
[INFO] running `Command { std: "docker" "start" "-a" "a53bad01fec0b9f677974561705034ae4e02ca3263f464375301f27efac2d154", kill_on_drop: false }`
[INFO] [stderr]  Documenting mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "a53bad01fec0b9f677974561705034ae4e02ca3263f464375301f27efac2d154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53bad01fec0b9f677974561705034ae4e02ca3263f464375301f27efac2d154", kill_on_drop: false }`
[INFO] [stdout] a53bad01fec0b9f677974561705034ae4e02ca3263f464375301f27efac2d154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3f5e7d01f956125923c94837c2f33a74f067fc169419e4f3f289e6291b82bb97
[INFO] running `Command { std: "docker" "start" "-a" "3f5e7d01f956125923c94837c2f33a74f067fc169419e4f3f289e6291b82bb97", kill_on_drop: false }`
[INFO] [stderr]  Documenting mmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "3f5e7d01f956125923c94837c2f33a74f067fc169419e4f3f289e6291b82bb97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5e7d01f956125923c94837c2f33a74f067fc169419e4f3f289e6291b82bb97", kill_on_drop: false }`
[INFO] [stdout] 3f5e7d01f956125923c94837c2f33a74f067fc169419e4f3f289e6291b82bb97