[INFO] cloning repository https://github.com/phip1611/max-7219-led-matrix-util
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phip1611/max-7219-led-matrix-util" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphip1611%2Fmax-7219-led-matrix-util", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphip1611%2Fmax-7219-led-matrix-util'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 473244017c786e242dd0c65e75fe817734123f5c
[INFO] documenting phip1611/max-7219-led-matrix-util 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%2Fphip1611%2Fmax-7219-led-matrix-util" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phip1611/max-7219-led-matrix-util 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/phip1611/max-7219-led-matrix-util
[INFO] finished tweaking git repo https://github.com/phip1611/max-7219-led-matrix-util
[INFO] tweaked toml for git repo https://github.com/phip1611/max-7219-led-matrix-util written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/phip1611/max-7219-led-matrix-util 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]  Downloading crates ...
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded gpio-cdev v0.4.0
[INFO] [stderr]   Downloaded max7219 v0.3.0
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 44da22efc49ecd5323ff551840ef0d38fb51ff6444bb7d06a5081c73a9e23d64
[INFO] running `Command { std: "docker" "start" "-a" "44da22efc49ecd5323ff551840ef0d38fb51ff6444bb7d06a5081c73a9e23d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44da22efc49ecd5323ff551840ef0d38fb51ff6444bb7d06a5081c73a9e23d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44da22efc49ecd5323ff551840ef0d38fb51ff6444bb7d06a5081c73a9e23d64", kill_on_drop: false }`
[INFO] [stdout] 44da22efc49ecd5323ff551840ef0d38fb51ff6444bb7d06a5081c73a9e23d64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] bc51a53d2683a46812c8dcb5e998e47f67248c7d315ae1039469690795dabc12
[INFO] running `Command { std: "docker" "start" "-a" "bc51a53d2683a46812c8dcb5e998e47f67248c7d315ae1039469690795dabc12", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking max7219 v0.3.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking gpio-cdev v0.4.0
[INFO] [stderr]  Documenting max-7219-led-matrix-util v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.62s
[INFO] running `Command { std: "docker" "inspect" "bc51a53d2683a46812c8dcb5e998e47f67248c7d315ae1039469690795dabc12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc51a53d2683a46812c8dcb5e998e47f67248c7d315ae1039469690795dabc12", kill_on_drop: false }`
[INFO] [stdout] bc51a53d2683a46812c8dcb5e998e47f67248c7d315ae1039469690795dabc12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+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] a2929caed2bd50fafcae1fd7f7377e006d7f9e6048888ba0dbdb96ea7e12014b
[INFO] running `Command { std: "docker" "start" "-a" "a2929caed2bd50fafcae1fd7f7377e006d7f9e6048888ba0dbdb96ea7e12014b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking max7219 v0.3.0
[INFO] [stderr]     Checking gpio-cdev v0.4.0
[INFO] [stderr]  Documenting max-7219-led-matrix-util v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.31s
[INFO] running `Command { std: "docker" "inspect" "a2929caed2bd50fafcae1fd7f7377e006d7f9e6048888ba0dbdb96ea7e12014b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2929caed2bd50fafcae1fd7f7377e006d7f9e6048888ba0dbdb96ea7e12014b", kill_on_drop: false }`
[INFO] [stdout] a2929caed2bd50fafcae1fd7f7377e006d7f9e6048888ba0dbdb96ea7e12014b