[INFO] cloning repository https://github.com/AlbertoCaballero/linear-reg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlbertoCaballero/linear-reg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertoCaballero%2Flinear-reg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertoCaballero%2Flinear-reg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70901522844cc610f9f61d647141337b7dedf871
[INFO] documenting AlbertoCaballero/linear-reg 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%2FAlbertoCaballero%2Flinear-reg" "/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/AlbertoCaballero/linear-reg 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/AlbertoCaballero/linear-reg
[INFO] finished tweaking git repo https://github.com/AlbertoCaballero/linear-reg
[INFO] tweaked toml for git repo https://github.com/AlbertoCaballero/linear-reg written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/AlbertoCaballero/linear-reg 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 svg v0.5.12
[INFO] [stderr]   Downloaded plotlib v0.3.0
[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] [stdout] bc10a844957d83dbf669ffbcb50856a933a24db0d929265ac2de1cd7369b3429
[INFO] running `Command { std: "docker" "start" "-a" "bc10a844957d83dbf669ffbcb50856a933a24db0d929265ac2de1cd7369b3429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc10a844957d83dbf669ffbcb50856a933a24db0d929265ac2de1cd7369b3429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc10a844957d83dbf669ffbcb50856a933a24db0d929265ac2de1cd7369b3429", kill_on_drop: false }`
[INFO] [stdout] bc10a844957d83dbf669ffbcb50856a933a24db0d929265ac2de1cd7369b3429
[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] [stdout] fb01e736f228e724251051caebe56cf9f9af3b1f7278e4185cb03e49c5574bf1
[INFO] running `Command { std: "docker" "start" "-a" "fb01e736f228e724251051caebe56cf9f9af3b1f7278e4185cb03e49c5574bf1", kill_on_drop: false }`
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking plotlib v0.3.0
[INFO] [stderr]     Checking linear-reg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting linear-reg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "fb01e736f228e724251051caebe56cf9f9af3b1f7278e4185cb03e49c5574bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb01e736f228e724251051caebe56cf9f9af3b1f7278e4185cb03e49c5574bf1", kill_on_drop: false }`
[INFO] [stdout] fb01e736f228e724251051caebe56cf9f9af3b1f7278e4185cb03e49c5574bf1
[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] [stdout] 8cec5ddabd154e40e0059d85511628dbbddb891f0ffe27887279cc9f9f0db1b6
[INFO] running `Command { std: "docker" "start" "-a" "8cec5ddabd154e40e0059d85511628dbbddb891f0ffe27887279cc9f9f0db1b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking plotlib v0.3.0
[INFO] [stderr]  Documenting linear-reg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "8cec5ddabd154e40e0059d85511628dbbddb891f0ffe27887279cc9f9f0db1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cec5ddabd154e40e0059d85511628dbbddb891f0ffe27887279cc9f9f0db1b6", kill_on_drop: false }`
[INFO] [stdout] 8cec5ddabd154e40e0059d85511628dbbddb891f0ffe27887279cc9f9f0db1b6