[INFO] cloning repository https://github.com/Malax/rust-cnb-starter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Malax/rust-cnb-starter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Frust-cnb-starter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Frust-cnb-starter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43c4a9dcfae9bfc3717e224b13f0ea7760eac782
[INFO] documenting Malax/rust-cnb-starter 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%2FMalax%2Frust-cnb-starter" "/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/Malax/rust-cnb-starter 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/Malax/rust-cnb-starter
[INFO] finished tweaking git repo https://github.com/Malax/rust-cnb-starter
[INFO] tweaked toml for git repo https://github.com/Malax/rust-cnb-starter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Malax/rust-cnb-starter 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libcnb v0.2.0-prerelease1
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db2949700d23db707c7568b8504047e7f7de24d803b44bbf5f078fbf6e48a241
[INFO] running `Command { std: "docker" "start" "-a" "db2949700d23db707c7568b8504047e7f7de24d803b44bbf5f078fbf6e48a241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2949700d23db707c7568b8504047e7f7de24d803b44bbf5f078fbf6e48a241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2949700d23db707c7568b8504047e7f7de24d803b44bbf5f078fbf6e48a241", kill_on_drop: false }`
[INFO] [stdout] db2949700d23db707c7568b8504047e7f7de24d803b44bbf5f078fbf6e48a241
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c26e74936b0871ffed8634bc37dc35b5625b12d1956cd6f3e315ad0aab95995f
[INFO] running `Command { std: "docker" "start" "-a" "c26e74936b0871ffed8634bc37dc35b5625b12d1956cd6f3e315ad0aab95995f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking libcnb v0.2.0-prerelease1
[INFO] [stderr]  Documenting rust-cnb-starter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.59s
[INFO] running `Command { std: "docker" "inspect" "c26e74936b0871ffed8634bc37dc35b5625b12d1956cd6f3e315ad0aab95995f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26e74936b0871ffed8634bc37dc35b5625b12d1956cd6f3e315ad0aab95995f", kill_on_drop: false }`
[INFO] [stdout] c26e74936b0871ffed8634bc37dc35b5625b12d1956cd6f3e315ad0aab95995f