[INFO] cloning repository https://github.com/Geal/bittorrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Geal/bittorrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fbittorrent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fbittorrent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58bb68c986abe081dbc12f7a7d6be3bd1cb9aef6
[INFO] documenting Geal/bittorrent against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fbittorrent" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Geal/bittorrent on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Geal/bittorrent
[INFO] finished tweaking git repo https://github.com/Geal/bittorrent
[INFO] tweaked toml for git repo https://github.com/Geal/bittorrent written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Geal/bittorrent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.3.9
[INFO] [stderr]   Downloaded nom v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46f87ab3283acc751093fa92ae3130b76e64e08621b0e02a0a6fc66d3ef8d951
[INFO] running `Command { std: "docker" "start" "-a" "46f87ab3283acc751093fa92ae3130b76e64e08621b0e02a0a6fc66d3ef8d951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f87ab3283acc751093fa92ae3130b76e64e08621b0e02a0a6fc66d3ef8d951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f87ab3283acc751093fa92ae3130b76e64e08621b0e02a0a6fc66d3ef8d951", kill_on_drop: false }`
[INFO] [stdout] 46f87ab3283acc751093fa92ae3130b76e64e08621b0e02a0a6fc66d3ef8d951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab2a5a9dbe417e9957a04f8fee6b624f0ae66864aaaa66a63f123327e0cc750
[INFO] running `Command { std: "docker" "start" "-a" "1ab2a5a9dbe417e9957a04f8fee6b624f0ae66864aaaa66a63f123327e0cc750", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v0.3.9
[INFO] [stderr]     Checking nom v1.0.1
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]  Documenting bittorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 | named!(list<&[u8], (Vec<Bencode>)>, chain!(
[INFO] [stdout]    |                    ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 - named!(list<&[u8], (Vec<Bencode>)>, chain!(
[INFO] [stdout] 75 + named!(list<&[u8], Vec<Bencode>>, chain!(
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     named!(helper<&[u8], (Vec<(Vec<u8>, Bencode)>)>, chain!(
[INFO] [stdout]    |                          ^                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 83 -     named!(helper<&[u8], (Vec<(Vec<u8>, Bencode)>)>, chain!(
[INFO] [stdout] 83 +     named!(helper<&[u8], Vec<(Vec<u8>, Bencode)>>, chain!(
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 | named!(hashes<&[u8], (Vec<Hash>)>, many0!(chain!(
[INFO] [stdout]     |                      ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 - named!(hashes<&[u8], (Vec<Hash>)>, many0!(chain!(
[INFO] [stdout] 108 + named!(hashes<&[u8], Vec<Hash>>, many0!(chain!(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test,vec_push_all,drain)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test,vec_push_all,drain)]
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test,vec_push_all,drain)]
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_push_all`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test,vec_push_all,drain)]
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bittorrent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name bittorrent src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=ea1a8c723e11f620 -L dependency=/opt/rustwide/target/debug/deps --extern nom=/opt/rustwide/target/debug/deps/libnom-cb8568e4f9c87bcd.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-1675857e1f9d7acc.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1ab2a5a9dbe417e9957a04f8fee6b624f0ae66864aaaa66a63f123327e0cc750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab2a5a9dbe417e9957a04f8fee6b624f0ae66864aaaa66a63f123327e0cc750", kill_on_drop: false }`
[INFO] [stdout] 1ab2a5a9dbe417e9957a04f8fee6b624f0ae66864aaaa66a63f123327e0cc750
