[INFO] fetching crate fast-socks5 0.4.1...
[INFO] checking fast-socks5-0.4.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate fast-socks5 0.4.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fast-socks5 0.4.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-socks5 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fast-socks5 0.4.1
[INFO] tweaked toml for crates.io crate fast-socks5 0.4.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate fast-socks5 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] 34c22771fbfb21a953eae4461358df52db3bb2c390b68d548d4baa973c6b3a48
[INFO] running `Command { std: "docker" "start" "-a" "34c22771fbfb21a953eae4461358df52db3bb2c390b68d548d4baa973c6b3a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34c22771fbfb21a953eae4461358df52db3bb2c390b68d548d4baa973c6b3a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c22771fbfb21a953eae4461358df52db3bb2c390b68d548d4baa973c6b3a48", kill_on_drop: false }`
[INFO] [stdout] 34c22771fbfb21a953eae4461358df52db3bb2c390b68d548d4baa973c6b3a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77bd824fb6f7effdf827ae7b2f8a76a0f35588cc9bf407cf32ddec2b0545fe73
[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" "77bd824fb6f7effdf827ae7b2f8a76a0f35588cc9bf407cf32ddec2b0545fe73", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking polling v2.0.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking fast-socks5 v0.4.1 (/opt/rustwide/workdir)
[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 58.57s
[INFO] running `Command { std: "docker" "inspect" "77bd824fb6f7effdf827ae7b2f8a76a0f35588cc9bf407cf32ddec2b0545fe73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bd824fb6f7effdf827ae7b2f8a76a0f35588cc9bf407cf32ddec2b0545fe73", kill_on_drop: false }`
[INFO] [stdout] 77bd824fb6f7effdf827ae7b2f8a76a0f35588cc9bf407cf32ddec2b0545fe73