[INFO] cloning repository https://github.com/sulabhkothari/SkRustNetworking [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sulabhkothari/SkRustNetworking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsulabhkothari%2FSkRustNetworking", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsulabhkothari%2FSkRustNetworking'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a62731cd5b147c32b556057f8beed983f439956 [INFO] checking sulabhkothari/SkRustNetworking against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsulabhkothari%2FSkRustNetworking" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sulabhkothari/SkRustNetworking on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sulabhkothari/SkRustNetworking [INFO] finished tweaking git repo https://github.com/sulabhkothari/SkRustNetworking [INFO] tweaked toml for git repo https://github.com/sulabhkothari/SkRustNetworking written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/sulabhkothari/SkRustNetworking already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] bec19b5eb332cd2790f8ccbd577cca03512a723abe569cdd12a31158774bc78e [INFO] running `Command { std: "docker" "start" "-a" "bec19b5eb332cd2790f8ccbd577cca03512a723abe569cdd12a31158774bc78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bec19b5eb332cd2790f8ccbd577cca03512a723abe569cdd12a31158774bc78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bec19b5eb332cd2790f8ccbd577cca03512a723abe569cdd12a31158774bc78e", kill_on_drop: false }` [INFO] [stdout] bec19b5eb332cd2790f8ccbd577cca03512a723abe569cdd12a31158774bc78e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 143b201c474a2af7fe8ce9a1b90746f9330476a13085f224c99cec05c173f9d0 [INFO] running `Command { std: "docker" "start" "-a" "143b201c474a2af7fe8ce9a1b90746f9330476a13085f224c99cec05c173f9d0", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.17 [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 SkRustNetworking v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread::Thread` [INFO] [stdout] --> src/async_await_basics.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread::Thread; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/async_await_basics.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::join` [INFO] [stdout] --> src/async_await_basics.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use futures::join; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::Thread` [INFO] [stdout] --> src/async_await_basics.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread::Thread; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/async_await_basics.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::join` [INFO] [stdout] --> src/async_await_basics.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use futures::join; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `async_await_basics_main` [INFO] [stdout] --> src/async_await_basics.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn async_await_basics_main() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Song` [INFO] [stdout] --> src/async_await_basics.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | struct Song { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/async_await_basics.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn new() -> Song { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `learn_song` [INFO] [stdout] --> src/async_await_basics.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | async fn learn_song() -> Song { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sing_song` [INFO] [stdout] --> src/async_await_basics.rs:66:10 [INFO] [stdout] | [INFO] [stdout] 66 | async fn sing_song(song: Song) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dance` [INFO] [stdout] --> src/async_await_basics.rs:72:10 [INFO] [stdout] | [INFO] [stdout] 72 | async fn dance() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `learn_and_sing` [INFO] [stdout] --> src/async_await_basics.rs:76:10 [INFO] [stdout] | [INFO] [stdout] 76 | async fn learn_and_sing() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `async_main` [INFO] [stdout] --> src/async_await_basics.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | async fn async_main() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Executor` [INFO] [stdout] --> src/async_await_basics.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | struct Executor { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `future` [INFO] [stdout] --> src/async_await_basics.rs:182:5 [INFO] [stdout] | [INFO] [stdout] 182 | future: Mutex>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `new_executor_and_spawner` [INFO] [stdout] --> src/async_await_basics.rs:188:4 [INFO] [stdout] | [INFO] [stdout] 188 | fn new_executor_and_spawner() -> (Executor, Spawner) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `spawn` [INFO] [stdout] --> src/async_await_basics.rs:198:8 [INFO] [stdout] | [INFO] [stdout] 198 | fn spawn(&self, future: impl Future + 'static + Send) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/async_await_basics.rs:224:8 [INFO] [stdout] | [INFO] [stdout] 224 | fn run(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `async_await_basics_main` [INFO] [stdout] --> src/async_await_basics.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn async_await_basics_main() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Song` [INFO] [stdout] --> src/async_await_basics.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | struct Song { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/async_await_basics.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn new() -> Song { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `learn_song` [INFO] [stdout] --> src/async_await_basics.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | async fn learn_song() -> Song { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sing_song` [INFO] [stdout] --> src/async_await_basics.rs:66:10 [INFO] [stdout] | [INFO] [stdout] 66 | async fn sing_song(song: Song) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dance` [INFO] [stdout] --> src/async_await_basics.rs:72:10 [INFO] [stdout] | [INFO] [stdout] 72 | async fn dance() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `learn_and_sing` [INFO] [stdout] --> src/async_await_basics.rs:76:10 [INFO] [stdout] | [INFO] [stdout] 76 | async fn learn_and_sing() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `async_main` [INFO] [stdout] --> src/async_await_basics.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | async fn async_main() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Executor` [INFO] [stdout] --> src/async_await_basics.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | struct Executor { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `future` [INFO] [stdout] --> src/async_await_basics.rs:182:5 [INFO] [stdout] | [INFO] [stdout] 182 | future: Mutex>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `new_executor_and_spawner` [INFO] [stdout] --> src/async_await_basics.rs:188:4 [INFO] [stdout] | [INFO] [stdout] 188 | fn new_executor_and_spawner() -> (Executor, Spawner) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `spawn` [INFO] [stdout] --> src/async_await_basics.rs:198:8 [INFO] [stdout] | [INFO] [stdout] 198 | fn spawn(&self, future: impl Future + 'static + Send) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/async_await_basics.rs:224:8 [INFO] [stdout] | [INFO] [stdout] 224 | fn run(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `SkRustNetworking` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `sk_rust_networking` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `SkRustNetworking` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `sk_rust_networking` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::net::TcpStream` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use tokio::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io::AsyncWrite` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::io::AsyncWrite; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::net::TcpStream` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use tokio::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io::AsyncWrite` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::io::AsyncWrite; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `SkRustNetworking` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `sk_rust_networking` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `SkRustNetworking` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `sk_rust_networking` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.12s [INFO] running `Command { std: "docker" "inspect" "143b201c474a2af7fe8ce9a1b90746f9330476a13085f224c99cec05c173f9d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "143b201c474a2af7fe8ce9a1b90746f9330476a13085f224c99cec05c173f9d0", kill_on_drop: false }` [INFO] [stdout] 143b201c474a2af7fe8ce9a1b90746f9330476a13085f224c99cec05c173f9d0