[INFO] cloning repository https://github.com/tuzz/square-of-squares-parametric-formula
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/square-of-squares-parametric-formula" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsquare-of-squares-parametric-formula", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsquare-of-squares-parametric-formula'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 995dcc7f02c404c13632ca5a6652d11d3d922887
[INFO] documenting tuzz/square-of-squares-parametric-formula 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%2Ftuzz%2Fsquare-of-squares-parametric-formula" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/square-of-squares-parametric-formula 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/tuzz/square-of-squares-parametric-formula
[INFO] finished tweaking git repo https://github.com/tuzz/square-of-squares-parametric-formula
[INFO] tweaked toml for git repo https://github.com/tuzz/square-of-squares-parametric-formula written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/square-of-squares-parametric-formula 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4b4da066a3805b6bfe1337915d7e30f287e4af8502d835c364027b21cc12eb4f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b4da066a3805b6bfe1337915d7e30f287e4af8502d835c364027b21cc12eb4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b4da066a3805b6bfe1337915d7e30f287e4af8502d835c364027b21cc12eb4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4da066a3805b6bfe1337915d7e30f287e4af8502d835c364027b21cc12eb4f", kill_on_drop: false }`
[INFO] [stdout] 4b4da066a3805b6bfe1337915d7e30f287e4af8502d835c364027b21cc12eb4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8374f91ebc0dfd3e4782a8af11c16f12086b1bcbc410cc10d6c3381e9c7a835c
[INFO] running `Command { std: "docker" "start" "-a" "8374f91ebc0dfd3e4782a8af11c16f12086b1bcbc410cc10d6c3381e9c7a835c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]  Documenting squares v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.70s
[INFO] running `Command { std: "docker" "inspect" "8374f91ebc0dfd3e4782a8af11c16f12086b1bcbc410cc10d6c3381e9c7a835c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8374f91ebc0dfd3e4782a8af11c16f12086b1bcbc410cc10d6c3381e9c7a835c", kill_on_drop: false }`
[INFO] [stdout] 8374f91ebc0dfd3e4782a8af11c16f12086b1bcbc410cc10d6c3381e9c7a835c