[INFO] fetching crate serialport 4.1.0...
[INFO] documenting serialport-4.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate serialport 4.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serialport 4.1.0 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 serialport 4.1.0
[INFO] finished tweaking crates.io crate serialport 4.1.0
[INFO] tweaked toml for crates.io crate serialport 4.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate serialport 4.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1a2946a8e5c5f1cd6d519f0863da5e9aab61d4db83f0a291a537f8578ed22119
[INFO] running `Command { std: "docker" "start" "-a" "1a2946a8e5c5f1cd6d519f0863da5e9aab61d4db83f0a291a537f8578ed22119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a2946a8e5c5f1cd6d519f0863da5e9aab61d4db83f0a291a537f8578ed22119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2946a8e5c5f1cd6d519f0863da5e9aab61d4db83f0a291a537f8578ed22119", kill_on_drop: false }`
[INFO] [stdout] 1a2946a8e5c5f1cd6d519f0863da5e9aab61d4db83f0a291a537f8578ed22119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c1ee0896548ce5933e9fbe1abf509835566741cda98bf64ed7e2a361b058db6c
[INFO] running `Command { std: "docker" "start" "-a" "c1ee0896548ce5933e9fbe1abf509835566741cda98bf64ed7e2a361b058db6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]  Documenting serialport v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.69s
[INFO] running `Command { std: "docker" "inspect" "c1ee0896548ce5933e9fbe1abf509835566741cda98bf64ed7e2a361b058db6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ee0896548ce5933e9fbe1abf509835566741cda98bf64ed7e2a361b058db6c", kill_on_drop: false }`
[INFO] [stdout] c1ee0896548ce5933e9fbe1abf509835566741cda98bf64ed7e2a361b058db6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bb031fac542a015b99e0290d482b5ec69b2f0dec68d6d08291e3ec90bb2863ae
[INFO] running `Command { std: "docker" "start" "-a" "bb031fac542a015b99e0290d482b5ec69b2f0dec68d6d08291e3ec90bb2863ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]  Documenting serialport v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.65s
[INFO] running `Command { std: "docker" "inspect" "bb031fac542a015b99e0290d482b5ec69b2f0dec68d6d08291e3ec90bb2863ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb031fac542a015b99e0290d482b5ec69b2f0dec68d6d08291e3ec90bb2863ae", kill_on_drop: false }`
[INFO] [stdout] bb031fac542a015b99e0290d482b5ec69b2f0dec68d6d08291e3ec90bb2863ae