[INFO] fetching crate marker 0.8.0...
[INFO] documenting marker-0.8.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate marker 0.8.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate marker 0.8.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marker 0.8.0
[INFO] finished tweaking crates.io crate marker 0.8.0
[INFO] tweaked toml for crates.io crate marker 0.8.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate marker 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 82a9225c8d1ac78500ea1c79e5cafccad3f05d51165fc8c5224c623c015ea944
[INFO] running `Command { std: "docker" "start" "-a" "82a9225c8d1ac78500ea1c79e5cafccad3f05d51165fc8c5224c623c015ea944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a9225c8d1ac78500ea1c79e5cafccad3f05d51165fc8c5224c623c015ea944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a9225c8d1ac78500ea1c79e5cafccad3f05d51165fc8c5224c623c015ea944", kill_on_drop: false }`
[INFO] [stdout] 82a9225c8d1ac78500ea1c79e5cafccad3f05d51165fc8c5224c623c015ea944
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb9d0999f500e369c07f9bca057c14194eaf370f7b49d590faac35fc2b7f700c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb9d0999f500e369c07f9bca057c14194eaf370f7b49d590faac35fc2b7f700c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking safemem v0.3.2
[INFO] [stderr]    Compiling pulldown-cmark v0.6.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking rustls v0.13.1
[INFO] [stderr]     Checking webpki-roots v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking hyper-rustls v0.6.2
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]  Documenting marker v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.13s
[INFO] running `Command { std: "docker" "inspect" "eb9d0999f500e369c07f9bca057c14194eaf370f7b49d590faac35fc2b7f700c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9d0999f500e369c07f9bca057c14194eaf370f7b49d590faac35fc2b7f700c", kill_on_drop: false }`
[INFO] [stdout] eb9d0999f500e369c07f9bca057c14194eaf370f7b49d590faac35fc2b7f700c