[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] testing Geal/bittorrent against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fbittorrent" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Geal/bittorrent on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-58/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: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha1 v0.1.1
[INFO] [stderr]   Downloaded nom v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d6d3705485a761b8848958f1bf1cf240ebc4c549cb1614f7af181482996aa9d
[INFO] running `Command { std: "docker" "start" "-a" "2d6d3705485a761b8848958f1bf1cf240ebc4c549cb1614f7af181482996aa9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d6d3705485a761b8848958f1bf1cf240ebc4c549cb1614f7af181482996aa9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6d3705485a761b8848958f1bf1cf240ebc4c549cb1614f7af181482996aa9d", kill_on_drop: false }`
[INFO] [stdout] 2d6d3705485a761b8848958f1bf1cf240ebc4c549cb1614f7af181482996aa9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe7874359a446cc3fbd209091e39ce8809ff1061344124aedf3b39a137062153
[INFO] running `Command { std: "docker" "start" "-a" "fe7874359a446cc3fbd209091e39ce8809ff1061344124aedf3b39a137062153", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v0.3.9
[INFO] [stderr]    Compiling nom v1.0.1
[INFO] [stderr]    Compiling sha1 v0.1.1
[INFO] [stderr]    Compiling bittorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test,vec_push_all,drain)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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]    |                    ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                      ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<_>` in the current scope
[INFO] [stdout]   --> src/main.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 v.push_all(&rest[1..n+1]);
[INFO] [stdout]    |                   ^^^^^^^^ method not found in `Vec<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bittorrent` due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fe7874359a446cc3fbd209091e39ce8809ff1061344124aedf3b39a137062153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7874359a446cc3fbd209091e39ce8809ff1061344124aedf3b39a137062153", kill_on_drop: false }`
[INFO] [stdout] fe7874359a446cc3fbd209091e39ce8809ff1061344124aedf3b39a137062153
