[INFO] fetching crate i2c-reg 0.1.2...
[INFO] documenting i2c-reg-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate i2c-reg 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate i2c-reg 0.1.2 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 crates.io crate i2c-reg 0.1.2
[INFO] finished tweaking crates.io crate i2c-reg 0.1.2
[INFO] tweaked toml for crates.io crate i2c-reg 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 313256eef8d8ed79eaa8c42f27d9f9574d2e9213d1dcce9a562691fa61a1a0a0
[INFO] running `Command { std: "docker" "start" "-a" "313256eef8d8ed79eaa8c42f27d9f9574d2e9213d1dcce9a562691fa61a1a0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "313256eef8d8ed79eaa8c42f27d9f9574d2e9213d1dcce9a562691fa61a1a0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313256eef8d8ed79eaa8c42f27d9f9574d2e9213d1dcce9a562691fa61a1a0a0", kill_on_drop: false }`
[INFO] [stdout] 313256eef8d8ed79eaa8c42f27d9f9574d2e9213d1dcce9a562691fa61a1a0a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78cb8799cf62282f3c596d9f3d74796b7982940d6d6e3bc1dfd507daad764382
[INFO] running `Command { std: "docker" "start" "-a" "78cb8799cf62282f3c596d9f3d74796b7982940d6d6e3bc1dfd507daad764382", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling i2c-reg-derive v0.1.2
[INFO] [stderr]  Documenting i2c-reg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.19s
[INFO] running `Command { std: "docker" "inspect" "78cb8799cf62282f3c596d9f3d74796b7982940d6d6e3bc1dfd507daad764382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cb8799cf62282f3c596d9f3d74796b7982940d6d6e3bc1dfd507daad764382", kill_on_drop: false }`
[INFO] [stdout] 78cb8799cf62282f3c596d9f3d74796b7982940d6d6e3bc1dfd507daad764382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5660813d7c36552e7329215b626f405662b2b17fba6fae1726363c34eb07b03b
[INFO] running `Command { std: "docker" "start" "-a" "5660813d7c36552e7329215b626f405662b2b17fba6fae1726363c34eb07b03b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling i2c-reg-derive v0.1.2
[INFO] [stderr]  Documenting i2c-reg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.90s
[INFO] running `Command { std: "docker" "inspect" "5660813d7c36552e7329215b626f405662b2b17fba6fae1726363c34eb07b03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5660813d7c36552e7329215b626f405662b2b17fba6fae1726363c34eb07b03b", kill_on_drop: false }`
[INFO] [stdout] 5660813d7c36552e7329215b626f405662b2b17fba6fae1726363c34eb07b03b