[INFO] fetching crate mio_httpc 0.8.9...
[INFO] documenting mio_httpc-0.8.9 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate mio_httpc 0.8.9 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mio_httpc 0.8.9 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 mio_httpc 0.8.9
[INFO] finished tweaking crates.io crate mio_httpc 0.8.9
[INFO] tweaked toml for crates.io crate mio_httpc 0.8.9 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate mio_httpc 0.8.9 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 spin v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.49
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.49
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.49
[INFO] [stderr]   Downloaded web-sys v0.3.26
[INFO] [stderr]   Downloaded js-sys v0.3.26
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.49
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.49
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.49
[INFO] [stderr]   Downloaded ring v0.16.7
[INFO] [stderr]   Downloaded libflate v0.1.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 25385a18859d2c6d93e8838c6eb4989a84fcf28c5c1b13ea6f384eff2dfecb8f
[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" "25385a18859d2c6d93e8838c6eb4989a84fcf28c5c1b13ea6f384eff2dfecb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25385a18859d2c6d93e8838c6eb4989a84fcf28c5c1b13ea6f384eff2dfecb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25385a18859d2c6d93e8838c6eb4989a84fcf28c5c1b13ea6f384eff2dfecb8f", kill_on_drop: false }`
[INFO] [stdout] 25385a18859d2c6d93e8838c6eb4989a84fcf28c5c1b13ea6f384eff2dfecb8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a5538b692b104968045707d8722fcccbba8aebe9a087a1c8793099de1514bd0a
[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" "a5538b692b104968045707d8722fcccbba8aebe9a087a1c8793099de1514bd0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling mio_httpc v0.8.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking libflate v0.1.26
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]  Documenting mio_httpc v0.8.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/tls_api/mod.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |   /// ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 56 | | /// trait TlsConnector {
[INFO] [stdout] 57 | | ///     type <S> TlsStream<S> : TlsStreamImpl;
[INFO] [stdout] 58 | | /// }
[INFO] [stdout] 59 | | ///
[INFO] [stdout] 60 | | /// So `TlsStream` is actually a box to concrete TLS implementation.
[INFO] [stdout] 61 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.79s
[INFO] running `Command { std: "docker" "inspect" "a5538b692b104968045707d8722fcccbba8aebe9a087a1c8793099de1514bd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5538b692b104968045707d8722fcccbba8aebe9a087a1c8793099de1514bd0a", kill_on_drop: false }`
[INFO] [stdout] a5538b692b104968045707d8722fcccbba8aebe9a087a1c8793099de1514bd0a