[INFO] fetching crate scarper 0.2.0...
[INFO] documenting scarper-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate scarper 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate scarper 0.2.0 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 scarper 0.2.0
[INFO] finished tweaking crates.io crate scarper 0.2.0
[INFO] tweaked toml for crates.io crate scarper 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate scarper 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 9cd317e1272a5575044dd927438cf60e832d485a98aaf430373e651f6c0ab4e9
[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" "9cd317e1272a5575044dd927438cf60e832d485a98aaf430373e651f6c0ab4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cd317e1272a5575044dd927438cf60e832d485a98aaf430373e651f6c0ab4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd317e1272a5575044dd927438cf60e832d485a98aaf430373e651f6c0ab4e9", kill_on_drop: false }`
[INFO] [stdout] 9cd317e1272a5575044dd927438cf60e832d485a98aaf430373e651f6c0ab4e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0bc47af1501afab3bcb375527e3dd3f6ccaa71a18717e020c0d4c336b4a38ac4
[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" "0bc47af1501afab3bcb375527e3dd3f6ccaa71a18717e020c0d4c336b4a38ac4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking futures-core v0.3.3
[INFO] [stderr]     Checking futures-sink v0.3.3
[INFO] [stderr]     Checking futures-task v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking futures-channel v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]  Documenting scarper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.54s
[INFO] running `Command { std: "docker" "inspect" "0bc47af1501afab3bcb375527e3dd3f6ccaa71a18717e020c0d4c336b4a38ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc47af1501afab3bcb375527e3dd3f6ccaa71a18717e020c0d4c336b4a38ac4", kill_on_drop: false }`
[INFO] [stdout] 0bc47af1501afab3bcb375527e3dd3f6ccaa71a18717e020c0d4c336b4a38ac4