[INFO] fetching crate mio_httpc 0.8.9...
[INFO] documenting mio_httpc-0.8.9 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate mio_httpc 0.8.9 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mio_httpc 0.8.9 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-6/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 830698d979644e2699dff20df77f8d95333af78f247b376f1ceed11245c6b969
[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" "830698d979644e2699dff20df77f8d95333af78f247b376f1ceed11245c6b969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "830698d979644e2699dff20df77f8d95333af78f247b376f1ceed11245c6b969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830698d979644e2699dff20df77f8d95333af78f247b376f1ceed11245c6b969", kill_on_drop: false }`
[INFO] [stdout] 830698d979644e2699dff20df77f8d95333af78f247b376f1ceed11245c6b969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 9dd42f9b12b710567490c2de2cabfb881e5a566d47356824e1c2ccc896b67993
[INFO] running `Command { std: "docker" "start" "-a" "9dd42f9b12b710567490c2de2cabfb881e5a566d47356824e1c2ccc896b67993", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling mio_httpc v0.8.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking libflate v0.1.26
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.5
[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 18.14s
[INFO] running `Command { std: "docker" "inspect" "9dd42f9b12b710567490c2de2cabfb881e5a566d47356824e1c2ccc896b67993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd42f9b12b710567490c2de2cabfb881e5a566d47356824e1c2ccc896b67993", kill_on_drop: false }`
[INFO] [stdout] 9dd42f9b12b710567490c2de2cabfb881e5a566d47356824e1c2ccc896b67993