[INFO] fetching crate wmctl 0.0.45...
[INFO] documenting wmctl-0.0.45 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate wmctl 0.0.45 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate wmctl 0.0.45 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 crates.io crate wmctl 0.0.45
[INFO] finished tweaking crates.io crate wmctl 0.0.45
[INFO] tweaked toml for crates.io crate wmctl 0.0.45 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate wmctl 0.0.45 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libwmctl v0.0.45
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.3
[INFO] [stderr]   Downloaded gory v0.1.14
[INFO] [stderr]   Downloaded witcher v0.1.19
[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" "+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] 7fe4ad93d55e83cf09add3a8eb554b9c0bd20737046d5b26897b9f8f48098358
[INFO] running `Command { std: "docker" "start" "-a" "7fe4ad93d55e83cf09add3a8eb554b9c0bd20737046d5b26897b9f8f48098358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe4ad93d55e83cf09add3a8eb554b9c0bd20737046d5b26897b9f8f48098358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe4ad93d55e83cf09add3a8eb554b9c0bd20737046d5b26897b9f8f48098358", kill_on_drop: false }`
[INFO] [stdout] 7fe4ad93d55e83cf09add3a8eb554b9c0bd20737046d5b26897b9f8f48098358
[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" "+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] 9da29068e6e1f95d33bcce8c839380eb08a4deaa699285d8c80a75239de3aca9
[INFO] running `Command { std: "docker" "start" "-a" "9da29068e6e1f95d33bcce8c839380eb08a4deaa699285d8c80a75239de3aca9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking gory v0.1.14
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling wmctl v0.0.45 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking backtrace v0.3.63
[INFO] [stderr]     Checking x11rb v0.9.0
[INFO] [stderr]     Checking witcher v0.1.19
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking libwmctl v0.0.45
[INFO] [stderr]  Documenting wmctl v0.0.45 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "9da29068e6e1f95d33bcce8c839380eb08a4deaa699285d8c80a75239de3aca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da29068e6e1f95d33bcce8c839380eb08a4deaa699285d8c80a75239de3aca9", kill_on_drop: false }`
[INFO] [stdout] 9da29068e6e1f95d33bcce8c839380eb08a4deaa699285d8c80a75239de3aca9