[INFO] fetching crate shellcaster 1.0.1...
[INFO] documenting shellcaster-1.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate shellcaster 1.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate shellcaster 1.0.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shellcaster 1.0.1
[INFO] finished tweaking crates.io crate shellcaster 1.0.1
[INFO] tweaked toml for crates.io crate shellcaster 1.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate shellcaster 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opml v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3d5d1328192b246c37bf0a776b714a76ab4222425f7a8be34a8a1806de5b5f5
[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" "e3d5d1328192b246c37bf0a776b714a76ab4222425f7a8be34a8a1806de5b5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3d5d1328192b246c37bf0a776b714a76ab4222425f7a8be34a8a1806de5b5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d5d1328192b246c37bf0a776b714a76ab4222425f7a8be34a8a1806de5b5f5", kill_on_drop: false }`
[INFO] [stdout] e3d5d1328192b246c37bf0a776b714a76ab4222425f7a8be34a8a1806de5b5f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6d366f9d3fc28de89ca2c098ce94a6a4f04657c6d3e7139f30c26e8535ecc24
[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" "b6d366f9d3fc28de89ca2c098ce94a6a4f04657c6d3e7139f30c26e8535ecc24", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking sanitize-filename v0.2.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking escaper v0.1.0
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking ureq v1.4.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling strong-xml-derive v0.6.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking strong-xml v0.6.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking rss v1.9.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking opml v0.2.4
[INFO] [stderr]  Documenting shellcaster v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.78s
[INFO] running `Command { std: "docker" "inspect" "b6d366f9d3fc28de89ca2c098ce94a6a4f04657c6d3e7139f30c26e8535ecc24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d366f9d3fc28de89ca2c098ce94a6a4f04657c6d3e7139f30c26e8535ecc24", kill_on_drop: false }`
[INFO] [stdout] b6d366f9d3fc28de89ca2c098ce94a6a4f04657c6d3e7139f30c26e8535ecc24