[INFO] cloning repository https://github.com/masonium/card-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masonium/card-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonium%2Fcard-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonium%2Fcard-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85ab7c08645b3af30ae23034d77de6f13b1e4e3c
[INFO] documenting masonium/card-engine against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonium%2Fcard-engine" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masonium/card-engine on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/masonium/card-engine
[INFO] finished tweaking git repo https://github.com/masonium/card-engine
[INFO] tweaked toml for git repo https://github.com/masonium/card-engine written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/masonium/card-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 648721f44b4aa8d1c33febc72ce6ed73332233ed8a3ba1afe43409bcdae3d012
[INFO] running `Command { std: "docker" "start" "-a" "648721f44b4aa8d1c33febc72ce6ed73332233ed8a3ba1afe43409bcdae3d012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "648721f44b4aa8d1c33febc72ce6ed73332233ed8a3ba1afe43409bcdae3d012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648721f44b4aa8d1c33febc72ce6ed73332233ed8a3ba1afe43409bcdae3d012", kill_on_drop: false }`
[INFO] [stdout] 648721f44b4aa8d1c33febc72ce6ed73332233ed8a3ba1afe43409bcdae3d012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fd0c2c130f89001cb8bdd6d66c660e60306213f3c7d10245b3036804e0d6211
[INFO] running `Command { std: "docker" "start" "-a" "8fd0c2c130f89001cb8bdd6d66c660e60306213f3c7d10245b3036804e0d6211", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking itertools v0.6.0
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking termion v1.3.0
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking ndarray-rand v0.5.0
[INFO] [stderr]     Checking card-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting card-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.72s
[INFO] running `Command { std: "docker" "inspect" "8fd0c2c130f89001cb8bdd6d66c660e60306213f3c7d10245b3036804e0d6211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd0c2c130f89001cb8bdd6d66c660e60306213f3c7d10245b3036804e0d6211", kill_on_drop: false }`
[INFO] [stdout] 8fd0c2c130f89001cb8bdd6d66c660e60306213f3c7d10245b3036804e0d6211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] ef290639fb1b03184688ce9f8cd9fe3dc6393557cf95079245cf8e9fd88a6c4a
[INFO] running `Command { std: "docker" "start" "-a" "ef290639fb1b03184688ce9f8cd9fe3dc6393557cf95079245cf8e9fd88a6c4a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking itertools v0.6.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking termion v1.3.0
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking ndarray-rand v0.5.0
[INFO] [stderr]  Documenting card-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "ef290639fb1b03184688ce9f8cd9fe3dc6393557cf95079245cf8e9fd88a6c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef290639fb1b03184688ce9f8cd9fe3dc6393557cf95079245cf8e9fd88a6c4a", kill_on_drop: false }`
[INFO] [stdout] ef290639fb1b03184688ce9f8cd9fe3dc6393557cf95079245cf8e9fd88a6c4a