[INFO] cloning repository https://github.com/AbsoluteVirtueXI/echo-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AbsoluteVirtueXI/echo-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbsoluteVirtueXI%2Fecho-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbsoluteVirtueXI%2Fecho-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0885589faa312bcec7c33ee407a0f1e324a62e11 [INFO] checking AbsoluteVirtueXI/echo-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbsoluteVirtueXI%2Fecho-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AbsoluteVirtueXI/echo-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AbsoluteVirtueXI/echo-rust [INFO] finished tweaking git repo https://github.com/AbsoluteVirtueXI/echo-rust [INFO] tweaked toml for git repo https://github.com/AbsoluteVirtueXI/echo-rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/AbsoluteVirtueXI/echo-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 0587dfe8a08e5f735976938e20cb143a13be53904c9fe2825fd504698bd1e971 [INFO] running `Command { std: "docker" "start" "-a" "0587dfe8a08e5f735976938e20cb143a13be53904c9fe2825fd504698bd1e971", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0587dfe8a08e5f735976938e20cb143a13be53904c9fe2825fd504698bd1e971", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0587dfe8a08e5f735976938e20cb143a13be53904c9fe2825fd504698bd1e971", kill_on_drop: false }` [INFO] [stdout] 0587dfe8a08e5f735976938e20cb143a13be53904c9fe2825fd504698bd1e971 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a28509eaf354fc21b0446c520c11100691bf5caaadcb82a5fc0c55d65ebb57b [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" "8a28509eaf354fc21b0446c520c11100691bf5caaadcb82a5fc0c55d65ebb57b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling async-trait v0.1.30 [INFO] [stderr] Checking tokio v0.2.20 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking echo-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `IpAddr` [INFO] [stdout] --> src/easy_net.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{IpAddr, Ipv4Addr, SocketAddr, SocketAddrV4}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `async_trait::async_trait` [INFO] [stdout] --> src/easy_net.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use async_trait::async_trait; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `IpAddr` [INFO] [stdout] --> src/easy_net.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{IpAddr, Ipv4Addr, SocketAddr, SocketAddrV4}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `async_trait::async_trait` [INFO] [stdout] --> src/easy_net.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use async_trait::async_trait; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/easy_net.rs:66:23 [INFO] [stdout] | [INFO] [stdout] 66 | pub async fn bind(s: &str) -> io::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Client` [INFO] [stdout] --> src/easy_net.rs:53:6 [INFO] [stdout] | [INFO] [stdout] 53 | enum Client { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `TcpClient` [INFO] [stdout] --> src/easy_net.rs:116:8 [INFO] [stdout] | [INFO] [stdout] 116 | struct TcpClient {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `connect` [INFO] [stdout] --> src/easy_net.rs:119:18 [INFO] [stdout] | [INFO] [stdout] 119 | pub async fn connect() {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `P2PClient` [INFO] [stdout] --> src/easy_net.rs:126:8 [INFO] [stdout] | [INFO] [stdout] 126 | struct P2PClient {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Connection` [INFO] [stdout] --> src/easy_net.rs:128:6 [INFO] [stdout] | [INFO] [stdout] 128 | enum Connection { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/easy_net.rs:66:23 [INFO] [stdout] | [INFO] [stdout] 66 | pub async fn bind(s: &str) -> io::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Client` [INFO] [stdout] --> src/easy_net.rs:53:6 [INFO] [stdout] | [INFO] [stdout] 53 | enum Client { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `TcpClient` [INFO] [stdout] --> src/easy_net.rs:116:8 [INFO] [stdout] | [INFO] [stdout] 116 | struct TcpClient {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `connect` [INFO] [stdout] --> src/easy_net.rs:119:18 [INFO] [stdout] | [INFO] [stdout] 119 | pub async fn connect() {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `P2PClient` [INFO] [stdout] --> src/easy_net.rs:126:8 [INFO] [stdout] | [INFO] [stdout] 126 | struct P2PClient {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Connection` [INFO] [stdout] --> src/easy_net.rs:128:6 [INFO] [stdout] | [INFO] [stdout] 128 | enum Connection { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `_get_local_SocketAddr` should have a snake case name [INFO] [stdout] --> src/easy_net.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn _get_local_SocketAddr(stream: &TcpStream) -> SocketAddr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `_get_local_socket_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `_get_peer_SocketAddr` should have a snake case name [INFO] [stdout] --> src/easy_net.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn _get_peer_SocketAddr(stream: &TcpStream) -> SocketAddr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `_get_peer_socket_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `_get_unspecified_SocketAddr` should have a snake case name [INFO] [stdout] --> src/easy_net.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn _get_unspecified_SocketAddr() -> SocketAddr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `_get_unspecified_socket_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `_get_local_SocketAddr` should have a snake case name [INFO] [stdout] --> src/easy_net.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn _get_local_SocketAddr(stream: &TcpStream) -> SocketAddr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `_get_local_socket_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `_get_peer_SocketAddr` should have a snake case name [INFO] [stdout] --> src/easy_net.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn _get_peer_SocketAddr(stream: &TcpStream) -> SocketAddr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `_get_peer_socket_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `_get_unspecified_SocketAddr` should have a snake case name [INFO] [stdout] --> src/easy_net.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn _get_unspecified_SocketAddr() -> SocketAddr { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `_get_unspecified_socket_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unexpected closing delimiter: `}` [INFO] [stdout] --> src/bin/server.rs:52:1 [INFO] [stdout] | [INFO] [stdout] 28 | async fn echo_protocol(stream: TcpConnection) -> io::Result<()> { [INFO] [stdout] | - this opening brace... [INFO] [stdout] ... [INFO] [stdout] 34 | } [INFO] [stdout] | - ...matches this closing brace [INFO] [stdout] ... [INFO] [stdout] 52 | } [INFO] [stdout] | ^ unexpected closing delimiter [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `echo-rust` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: unexpected closing delimiter: `}` [INFO] [stdout] --> src/bin/server.rs:52:1 [INFO] [stdout] | [INFO] [stdout] 28 | async fn echo_protocol(stream: TcpConnection) -> io::Result<()> { [INFO] [stdout] | - this opening brace... [INFO] [stdout] ... [INFO] [stdout] 34 | } [INFO] [stdout] | - ...matches this closing brace [INFO] [stdout] ... [INFO] [stdout] 52 | } [INFO] [stdout] | ^ unexpected closing delimiter [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `recvx` [INFO] [stdout] --> src/bin/client.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let recvx = tokio::spawn( async move { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_recvx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/client.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut stream = TcpStream::connect("127.0.0.1:7777").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: unused `Result` that must be used [INFO] [stdout] --> src/bin/client.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | sendx.await?; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `recvx` [INFO] [stdout] --> src/bin/client.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let recvx = tokio::spawn( async move { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_recvx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/client.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut stream = TcpStream::connect("127.0.0.1:7777").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: unused `Result` that must be used [INFO] [stdout] --> src/bin/client.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | sendx.await?; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8a28509eaf354fc21b0446c520c11100691bf5caaadcb82a5fc0c55d65ebb57b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a28509eaf354fc21b0446c520c11100691bf5caaadcb82a5fc0c55d65ebb57b", kill_on_drop: false }` [INFO] [stdout] 8a28509eaf354fc21b0446c520c11100691bf5caaadcb82a5fc0c55d65ebb57b