[INFO] fetching crate fast-socks5 0.4.3...
[INFO] checking fast-socks5-0.4.3 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate fast-socks5 0.4.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fast-socks5 0.4.3 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-socks5 0.4.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fast-socks5 0.4.3
[INFO] tweaked toml for crates.io crate fast-socks5 0.4.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate fast-socks5 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a98936cdc07741bc2c8d4085d284f02adefcd0552541bd41d7509d1769d38d6
[INFO] running `Command { std: "docker" "start" "-a" "9a98936cdc07741bc2c8d4085d284f02adefcd0552541bd41d7509d1769d38d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a98936cdc07741bc2c8d4085d284f02adefcd0552541bd41d7509d1769d38d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a98936cdc07741bc2c8d4085d284f02adefcd0552541bd41d7509d1769d38d6", kill_on_drop: false }`
[INFO] [stdout] 9a98936cdc07741bc2c8d4085d284f02adefcd0552541bd41d7509d1769d38d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a39a33e5db580a59d45e1b100ded3fc90809515912aeaf839636bf2a89602d
[INFO] running `Command { std: "docker" "start" "-a" "71a39a33e5db580a59d45e1b100ded3fc90809515912aeaf839636bf2a89602d", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]    --> src/server.rs:642:17
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let server = Socks5Server::bind("127.0.0.1:1080").await.unwrap();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/server.rs:641:9
[INFO] [stdout]     |
[INFO] [stdout] 641 | /         async {
[INFO] [stdout] 642 | |             let server = Socks5Server::bind("127.0.0.1:1080").await.unwrap();
[INFO] [stdout] 643 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Socks5Server`
[INFO] [stdout]  --> examples/simple_tcp_server.rs:9:42
[INFO] [stdout]   |
[INFO] [stdout] 9 |     server::{Config, SimpleUserPassword, Socks5Server, Socks5Socket},
[INFO] [stdout]   |                                          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/simple_tcp_server.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut listener = TcpListener::bind(&opt.listen_addr).await?;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.34s
[INFO] running `Command { std: "docker" "inspect" "71a39a33e5db580a59d45e1b100ded3fc90809515912aeaf839636bf2a89602d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a39a33e5db580a59d45e1b100ded3fc90809515912aeaf839636bf2a89602d", kill_on_drop: false }`
[INFO] [stdout] 71a39a33e5db580a59d45e1b100ded3fc90809515912aeaf839636bf2a89602d