[INFO] cloning repository https://github.com/Non-J/network-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Non-J/network-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNon-J%2Fnetwork-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNon-J%2Fnetwork-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5ea87bb283418df3e2c6379e5151ee513f8c4a4
[INFO] checking Non-J/network-tool against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNon-J%2Fnetwork-tool" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Non-J/network-tool 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 git repo https://github.com/Non-J/network-tool
[INFO] finished tweaking git repo https://github.com/Non-J/network-tool
[INFO] tweaked toml for git repo https://github.com/Non-J/network-tool written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Non-J/network-tool 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 710d4c994ae7a3ddbe14db6aa046711e08e5d2465c9f6d986e8fdce0d7a020a9
[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" "710d4c994ae7a3ddbe14db6aa046711e08e5d2465c9f6d986e8fdce0d7a020a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710d4c994ae7a3ddbe14db6aa046711e08e5d2465c9f6d986e8fdce0d7a020a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710d4c994ae7a3ddbe14db6aa046711e08e5d2465c9f6d986e8fdce0d7a020a9", kill_on_drop: false }`
[INFO] [stdout] 710d4c994ae7a3ddbe14db6aa046711e08e5d2465c9f6d986e8fdce0d7a020a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8af631b7d9bd8041e06a142477e7e99d4dc0eac71ab12178cd659f5e0086d106
[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" "8af631b7d9bd8041e06a142477e7e99d4dc0eac71ab12178cd659f5e0086d106", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.66
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[INFO] [stderr]     Checking rustls v0.19.0
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[INFO] [stderr]    Compiling pin-project-internal v1.0.2
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[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking async-std v1.8.0
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[INFO] [stderr]     Checking futures-executor v0.3.8
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[INFO] [stderr]     Checking network-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `async_std::prelude::*`
[INFO] [stdout]  --> src/tcp_reverse_proxy/listening_client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::prelude::*`
[INFO] [stdout]  --> src/tcp_reverse_proxy/listening_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::prelude::*`
[INFO] [stdout]  --> src/tcp_reverse_proxy/listening_client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::prelude::*`
[INFO] [stdout]  --> src/tcp_reverse_proxy/listening_client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BackendBuffer`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | type BackendBuffer = Arc<RwLock<HashMap<usize, Mutex<Vec<u8>>>>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BUFFER_WRITE_LOOP_DELAY`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const BUFFER_WRITE_LOOP_DELAY: Duration = Duration::from_millis(25);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BroadcastRouter`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct BroadcastRouter {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_connection_count`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub async fn get_connection_count(&self) -> usize {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_connection`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn add_connection<T: 'static>(&mut self, tcp_stream: T)
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BackendBuffer`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | type BackendBuffer = Arc<RwLock<HashMap<usize, Mutex<Vec<u8>>>>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BUFFER_WRITE_LOOP_DELAY`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const BUFFER_WRITE_LOOP_DELAY: Duration = Duration::from_millis(25);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BroadcastRouter`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct BroadcastRouter {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_connection_count`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub async fn get_connection_count(&self) -> usize {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_connection`
[INFO] [stdout]   --> src/tcp_reverse_proxy/broadcast_router.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn add_connection<T: 'static>(&mut self, tcp_stream: T)
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.81s
[INFO] running `Command { std: "docker" "inspect" "8af631b7d9bd8041e06a142477e7e99d4dc0eac71ab12178cd659f5e0086d106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af631b7d9bd8041e06a142477e7e99d4dc0eac71ab12178cd659f5e0086d106", kill_on_drop: false }`
[INFO] [stdout] 8af631b7d9bd8041e06a142477e7e99d4dc0eac71ab12178cd659f5e0086d106