[INFO] cloning repository https://github.com/kitos/rust-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kitos/rust-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitos%2Frust-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitos%2Frust-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77b63b5cc4a6dfd48c51c720fe3d15983533caf2
[INFO] documenting kitos/rust-server 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%2Fkitos%2Frust-server" "/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/kitos/rust-server 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/kitos/rust-server
[INFO] finished tweaking git repo https://github.com/kitos/rust-server
[INFO] tweaked toml for git repo https://github.com/kitos/rust-server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kitos/rust-server 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc644cc7f8cb6daf445834044d722c87979300bd6ca4493a0c97ef94bdefa656
[INFO] running `Command { std: "docker" "start" "-a" "fc644cc7f8cb6daf445834044d722c87979300bd6ca4493a0c97ef94bdefa656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc644cc7f8cb6daf445834044d722c87979300bd6ca4493a0c97ef94bdefa656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc644cc7f8cb6daf445834044d722c87979300bd6ca4493a0c97ef94bdefa656", kill_on_drop: false }`
[INFO] [stdout] fc644cc7f8cb6daf445834044d722c87979300bd6ca4493a0c97ef94bdefa656
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6296066532f79c56692fa1b94cc7781b41ce4844587105b06e5e722f55ed63d7
[INFO] running `Command { std: "docker" "start" "-a" "6296066532f79c56692fa1b94cc7781b41ce4844587105b06e5e722f55ed63d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]  Documenting rust-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rust-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "6296066532f79c56692fa1b94cc7781b41ce4844587105b06e5e722f55ed63d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6296066532f79c56692fa1b94cc7781b41ce4844587105b06e5e722f55ed63d7", kill_on_drop: false }`
[INFO] [stdout] 6296066532f79c56692fa1b94cc7781b41ce4844587105b06e5e722f55ed63d7
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c998a194bdb6e0bc2dddd0f329fd50236f4bb93b4deb37ee1504851f4d0c4f7
[INFO] running `Command { std: "docker" "start" "-a" "0c998a194bdb6e0bc2dddd0f329fd50236f4bb93b4deb37ee1504851f4d0c4f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]  Documenting rust-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "0c998a194bdb6e0bc2dddd0f329fd50236f4bb93b4deb37ee1504851f4d0c4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c998a194bdb6e0bc2dddd0f329fd50236f4bb93b4deb37ee1504851f4d0c4f7", kill_on_drop: false }`
[INFO] [stdout] 0c998a194bdb6e0bc2dddd0f329fd50236f4bb93b4deb37ee1504851f4d0c4f7