[INFO] cloning repository https://github.com/nickx720/rust_async_ground_up [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickx720/rust_async_ground_up" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickx720%2Frust_async_ground_up", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickx720%2Frust_async_ground_up'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 50f3b3f85dab8ed7b48bb153a31960ac9d47015b [INFO] testing nickx720/rust_async_ground_up against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickx720%2Frust_async_ground_up" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nickx720/rust_async_ground_up on toolchain 595316b4006932405a63862d8fe65f71a6356293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nickx720/rust_async_ground_up [INFO] finished tweaking git repo https://github.com/nickx720/rust_async_ground_up [INFO] tweaked toml for git repo https://github.com/nickx720/rust_async_ground_up written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nickx720/rust_async_ground_up already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b9507151911c0a3d05868ee8d4e61c8ad817922eac7e044a4ff1fec5f6df136 [INFO] running `Command { std: "docker" "start" "-a" "2b9507151911c0a3d05868ee8d4e61c8ad817922eac7e044a4ff1fec5f6df136", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b9507151911c0a3d05868ee8d4e61c8ad817922eac7e044a4ff1fec5f6df136", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b9507151911c0a3d05868ee8d4e61c8ad817922eac7e044a4ff1fec5f6df136", kill_on_drop: false }` [INFO] [stdout] 2b9507151911c0a3d05868ee8d4e61c8ad817922eac7e044a4ff1fec5f6df136 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f978c585aa601abb12a0b627ba46c8d8cea9f7b81c7cdb6e6490635be0cb89e [INFO] running `Command { std: "docker" "start" "-a" "3f978c585aa601abb12a0b627ba46c8d8cea9f7b81c7cdb6e6490635be0cb89e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.43 [INFO] [stderr] Compiling polling v2.3.0 [INFO] [stderr] Compiling async_from_ground_up v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/tcp_example.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | /// Moving handle_connection to inside thread::spawn makes it multi-threaded [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | std::thread::spawn(|| handle_connection(stream)); [INFO] [stdout] | ------------------------------------------------ rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/webserver/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tcp_example::tcp_main` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tcp_example::tcp_main; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/webserver/mod.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 104 | let num_events = todo!(); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 105 | } [INFO] [stdout] 106 | todo!() [INFO] [stdout] | ^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/webserver/mod.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | let mut pool = Threadpool::new(4); [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 variable: `poll_fds` [INFO] [stdout] --> src/webserver/mod.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut poll_fds = vec![libc::pollfd { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_poll_fds` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_events` [INFO] [stdout] --> src/webserver/mod.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | let num_events = todo!(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_events` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/webserver/mod.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut poll_fds = vec![libc::pollfd { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tcp_main` is never used [INFO] [stdout] --> src/tcp_example.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn tcp_main() -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_connection` is never used [INFO] [stdout] --> src/tcp_example.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn handle_connection(mut stream: TcpStream) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `webserverasyncmain` is never used [INFO] [stdout] --> src/webserver/mod.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn webserverasyncmain() -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `POST`, `PUT`, and `DELETE` are never constructed [INFO] [stdout] --> src/webserver/router.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum Method { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 11 | GET, [INFO] [stdout] 12 | POST, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | PUT, [INFO] [stdout] | ^^^ [INFO] [stdout] 14 | DELETE, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/webserver/worker.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 7 | pub id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/webserver/mod.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | router.route_client(client.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = router.route_client(client.unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "3f978c585aa601abb12a0b627ba46c8d8cea9f7b81c7cdb6e6490635be0cb89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f978c585aa601abb12a0b627ba46c8d8cea9f7b81c7cdb6e6490635be0cb89e", kill_on_drop: false }` [INFO] [stdout] 3f978c585aa601abb12a0b627ba46c8d8cea9f7b81c7cdb6e6490635be0cb89e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0cc1150462a1f602efc30ffb89ce134a0aee374cb0a00c343e46b6f232143f65 [INFO] running `Command { std: "docker" "start" "-a" "0cc1150462a1f602efc30ffb89ce134a0aee374cb0a00c343e46b6f232143f65", kill_on_drop: false }` [INFO] [stderr] Compiling async_from_ground_up v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/tcp_example.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | /// Moving handle_connection to inside thread::spawn makes it multi-threaded [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | std::thread::spawn(|| handle_connection(stream)); [INFO] [stdout] | ------------------------------------------------ rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/webserver/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tcp_example::tcp_main` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tcp_example::tcp_main; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/webserver/mod.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 104 | let num_events = todo!(); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 105 | } [INFO] [stdout] 106 | todo!() [INFO] [stdout] | ^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/webserver/mod.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | let mut pool = Threadpool::new(4); [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 variable: `poll_fds` [INFO] [stdout] --> src/webserver/mod.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut poll_fds = vec![libc::pollfd { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_poll_fds` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_events` [INFO] [stdout] --> src/webserver/mod.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | let num_events = todo!(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_events` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/webserver/mod.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut poll_fds = vec![libc::pollfd { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tcp_main` is never used [INFO] [stdout] --> src/tcp_example.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn tcp_main() -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_connection` is never used [INFO] [stdout] --> src/tcp_example.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn handle_connection(mut stream: TcpStream) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `webserverasyncmain` is never used [INFO] [stdout] --> src/webserver/mod.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn webserverasyncmain() -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `POST`, `PUT`, and `DELETE` are never constructed [INFO] [stdout] --> src/webserver/router.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum Method { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 11 | GET, [INFO] [stdout] 12 | POST, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | PUT, [INFO] [stdout] | ^^^ [INFO] [stdout] 14 | DELETE, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/webserver/worker.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 7 | pub id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/webserver/mod.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | router.route_client(client.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = router.route_client(client.unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "0cc1150462a1f602efc30ffb89ce134a0aee374cb0a00c343e46b6f232143f65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cc1150462a1f602efc30ffb89ce134a0aee374cb0a00c343e46b6f232143f65", kill_on_drop: false }` [INFO] [stdout] 0cc1150462a1f602efc30ffb89ce134a0aee374cb0a00c343e46b6f232143f65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 06e671999b6556ea13c26fc5cd85373402dad2eea2e9267eb9b6e64608d2e8d6 [INFO] running `Command { std: "docker" "start" "-a" "06e671999b6556ea13c26fc5cd85373402dad2eea2e9267eb9b6e64608d2e8d6", kill_on_drop: false }` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/tcp_example.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | /// Moving handle_connection to inside thread::spawn makes it multi-threaded [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 12 | std::thread::spawn(|| handle_connection(stream)); [INFO] [stderr] | ------------------------------------------------ rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/webserver/mod.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tcp_example::tcp_main` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use tcp_example::tcp_main; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/webserver/mod.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 104 | let num_events = todo!(); [INFO] [stderr] | ------- any code following this expression is unreachable [INFO] [stderr] 105 | } [INFO] [stderr] 106 | todo!() [INFO] [stderr] | ^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/webserver/mod.rs:46:17 [INFO] [stderr] | [INFO] [stderr] 46 | let mut pool = Threadpool::new(4); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `poll_fds` [INFO] [stderr] --> src/webserver/mod.rs:98:13 [INFO] [stderr] | [INFO] [stderr] 98 | let mut poll_fds = vec![libc::pollfd { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_poll_fds` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num_events` [INFO] [stderr] --> src/webserver/mod.rs:104:13 [INFO] [stderr] | [INFO] [stderr] 104 | let num_events = todo!(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_events` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/webserver/mod.rs:98:9 [INFO] [stderr] | [INFO] [stderr] 98 | let mut poll_fds = vec![libc::pollfd { [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `tcp_main` is never used [INFO] [stderr] --> src/tcp_example.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn tcp_main() -> Result<()> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `handle_connection` is never used [INFO] [stderr] --> src/tcp_example.rs:17:4 [INFO] [stderr] | [INFO] [stderr] 17 | fn handle_connection(mut stream: TcpStream) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `webserverasyncmain` is never used [INFO] [stderr] --> src/webserver/mod.rs:93:8 [INFO] [stderr] | [INFO] [stderr] 93 | pub fn webserverasyncmain() -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variants `POST`, `PUT`, and `DELETE` are never constructed [INFO] [stderr] --> src/webserver/router.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 10 | pub enum Method { [INFO] [stderr] | ------ variants in this enum [INFO] [stderr] 11 | GET, [INFO] [stderr] 12 | POST, [INFO] [stderr] | ^^^^ [INFO] [stderr] 13 | PUT, [INFO] [stderr] | ^^^ [INFO] [stderr] 14 | DELETE, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `id` is never read [INFO] [stderr] --> src/webserver/worker.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Worker { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] 7 | pub id: usize, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/webserver/mod.rs:50:21 [INFO] [stderr] | [INFO] [stderr] 50 | router.route_client(client.unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 50 | let _ = router.route_client(client.unwrap()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `async_from_ground_up` (bin "async_from_ground_up" test) generated 14 warnings (run `cargo fix --bin "async_from_ground_up" --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/async_from_ground_up-2cca512396a36d05) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "06e671999b6556ea13c26fc5cd85373402dad2eea2e9267eb9b6e64608d2e8d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06e671999b6556ea13c26fc5cd85373402dad2eea2e9267eb9b6e64608d2e8d6", kill_on_drop: false }` [INFO] [stdout] 06e671999b6556ea13c26fc5cd85373402dad2eea2e9267eb9b6e64608d2e8d6 [INFO] testing nickx720/rust_async_ground_up against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickx720%2Frust_async_ground_up" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nickx720/rust_async_ground_up on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nickx720/rust_async_ground_up [INFO] finished tweaking git repo https://github.com/nickx720/rust_async_ground_up [INFO] tweaked toml for git repo https://github.com/nickx720/rust_async_ground_up written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nickx720/rust_async_ground_up already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0b3a898c9df57dc5bddc1232db672feeb1d2d4d433ed48d241b9335f0875ab1 [INFO] running `Command { std: "docker" "start" "-a" "f0b3a898c9df57dc5bddc1232db672feeb1d2d4d433ed48d241b9335f0875ab1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0b3a898c9df57dc5bddc1232db672feeb1d2d4d433ed48d241b9335f0875ab1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0b3a898c9df57dc5bddc1232db672feeb1d2d4d433ed48d241b9335f0875ab1", kill_on_drop: false }` [INFO] [stdout] f0b3a898c9df57dc5bddc1232db672feeb1d2d4d433ed48d241b9335f0875ab1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98e5cd95892fa63ad062720c9fcf10d9d3701494770b1fafecc2e2fdb1db2fe2 [INFO] running `Command { std: "docker" "start" "-a" "98e5cd95892fa63ad062720c9fcf10d9d3701494770b1fafecc2e2fdb1db2fe2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.43 [INFO] [stderr] Compiling polling v2.3.0 [INFO] [stdout] error: failed to write /tmp/rustcZzrOPw/lib.rmeta: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "98e5cd95892fa63ad062720c9fcf10d9d3701494770b1fafecc2e2fdb1db2fe2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98e5cd95892fa63ad062720c9fcf10d9d3701494770b1fafecc2e2fdb1db2fe2", kill_on_drop: false }` [INFO] [stdout] 98e5cd95892fa63ad062720c9fcf10d9d3701494770b1fafecc2e2fdb1db2fe2