[INFO] cloning repository https://github.com/kvnvelasco/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kvnvelasco/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvnvelasco%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvnvelasco%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32d9d127a88eefcdd05e9dc50cb90d8a29d217cd [INFO] checking kvnvelasco/learning-rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvnvelasco%2Flearning-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kvnvelasco/learning-rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kvnvelasco/learning-rust [INFO] finished tweaking git repo https://github.com/kvnvelasco/learning-rust [INFO] tweaked toml for git repo https://github.com/kvnvelasco/learning-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kvnvelasco/learning-rust 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 783ad91915ee749292165d09fac60165e5f433846525b2cc8f9592fa3477d1a2 [INFO] running `Command { std: "docker" "start" "-a" "783ad91915ee749292165d09fac60165e5f433846525b2cc8f9592fa3477d1a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "783ad91915ee749292165d09fac60165e5f433846525b2cc8f9592fa3477d1a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "783ad91915ee749292165d09fac60165e5f433846525b2cc8f9592fa3477d1a2", kill_on_drop: false }` [INFO] [stdout] 783ad91915ee749292165d09fac60165e5f433846525b2cc8f9592fa3477d1a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4104f0bd78d4fb5b9c482c56434e90fd66b9bff9d113cd0a6cb918bc2284adb6 [INFO] running `Command { std: "docker" "start" "-a" "4104f0bd78d4fb5b9c482c56434e90fd66b9bff9d113cd0a6cb918bc2284adb6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Checking lazy_static v1.4.0 [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 learn-rust v0.1.0 (/opt/rustwide/workdir/dynamic-programming) [INFO] [stderr] Checking syscalls v0.1.0 (/opt/rustwide/workdir/syscalls) [INFO] [stderr] Checking threads v0.1.0 (/opt/rustwide/workdir/threads) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> threads/src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | thread.join(); [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] 34 | let _ = thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> threads/src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | thread.join(); [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] 34 | let _ = thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking ffi v0.1.0 (/opt/rustwide/workdir/ffi) [INFO] [stdout] warning: unused imports: `c_int`, `c_longlong`, and `c_uchar` [INFO] [stdout] --> ffi/src/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use std::os::raw::{c_char, c_int, c_longlong, c_uchar}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Done` is never constructed [INFO] [stdout] --> ffi/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | enum RsSyncResult { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 13 | Done = 0, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RsSyncResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Delta` and `Blake2Hash` are never constructed [INFO] [stdout] --> ffi/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 17 | enum MagicNumber { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] 18 | Delta = 0x72730236, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | MD4 = 0x72730136, [INFO] [stdout] 20 | Blake2Hash = 0x72730137, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `c_int`, `c_longlong`, and `c_uchar` [INFO] [stdout] --> ffi/src/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use std::os::raw::{c_char, c_int, c_longlong, c_uchar}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `RsyncStats`, which is not FFI-safe [INFO] [stdout] --> ffi/src/main.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | stats: *mut RsyncStats, [INFO] [stdout] | ^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> ffi/src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct RsyncStats {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking threaded-tcp-server v0.1.0 (/opt/rustwide/workdir/threaded-tcp-server) [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Done` is never constructed [INFO] [stdout] --> ffi/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | enum RsSyncResult { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 13 | Done = 0, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RsSyncResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Delta` and `Blake2Hash` are never constructed [INFO] [stdout] --> ffi/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 17 | enum MagicNumber { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] 18 | Delta = 0x72730236, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | MD4 = 0x72730136, [INFO] [stdout] 20 | Blake2Hash = 0x72730137, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `RsyncStats`, which is not FFI-safe [INFO] [stdout] --> ffi/src/main.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | stats: *mut RsyncStats, [INFO] [stdout] | ^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> ffi/src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct RsyncStats {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read_size` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let read_size = stream.read(&mut buffer).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let request = { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read_size` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let read_size = stream.read(&mut buffer).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let request = { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> threaded-tcp-server/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | req.parse(&buffer); [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] 23 | let _ = req.parse(&buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> threaded-tcp-server/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | req.parse(&buffer); [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] 23 | let _ = req.parse(&buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.16 [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 futures_reimpl v0.1.0 (/opt/rustwide/workdir/futures_reimpl) [INFO] [stdout] warning: unused import: `Poll` [INFO] [stdout] --> futures_reimpl/src/main.rs:32:54 [INFO] [stdout] | [INFO] [stdout] 32 | use futures::task::{waker_ref, ArcWake, Context, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BorrowMut` [INFO] [stdout] --> futures_reimpl/src/timer.rs:3:27 [INFO] [stdout] | [INFO] [stdout] 3 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Poll` [INFO] [stdout] --> futures_reimpl/src/main.rs:32:54 [INFO] [stdout] | [INFO] [stdout] 32 | use futures::task::{waker_ref, ArcWake, Context, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> futures_reimpl/src/timer.rs:7:36 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::{Duration, Instant, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BorrowMut` [INFO] [stdout] --> futures_reimpl/src/timer.rs:3:27 [INFO] [stdout] | [INFO] [stdout] 3 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> futures_reimpl/src/timer.rs:7:36 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::{Duration, Instant, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> futures_reimpl/src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | for i in 0..=100_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> futures_reimpl/src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | for i in 0..=100_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread_count` [INFO] [stdout] --> futures_reimpl/src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let thread_count = thread_count.clone(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread_count` [INFO] [stdout] --> futures_reimpl/src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let thread_count = thread_count.clone(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> futures_reimpl/src/main.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let time = SystemTime::now(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> futures_reimpl/src/main.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let time = SystemTime::now(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> futures_reimpl/src/main.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | while let task = self.queue.recv().expect("Unable to get task") { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> futures_reimpl/src/main.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | while let task = self.queue.recv().expect("Unable to get task") { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> futures_reimpl/src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | main.join(); [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] 24 | let _ = main.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> futures_reimpl/src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | main.join(); [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] 24 | let _ = main.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> futures_reimpl/src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | arc_self.requeue_handle.send(arc_self.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 82 | let _ = arc_self.requeue_handle.send(arc_self.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> futures_reimpl/src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | arc_self.requeue_handle.send(arc_self.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 82 | let _ = arc_self.requeue_handle.send(arc_self.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio v0.1.0 (/opt/rustwide/workdir/tokio) [INFO] [stdout] warning: unused import: `tokio::fs` [INFO] [stdout] --> tokio/src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::fs; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::fs` [INFO] [stdout] --> tokio/src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::fs; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> tokio/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> tokio/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used [INFO] [stdout] --> tokio/src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | runtime.block_on(futures::future::join(handle1, handle2)); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used [INFO] [stdout] --> tokio/src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | runtime.block_on(futures::future::join(handle1, handle2)); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> tokio/src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | runtime.block_on(futures::future::join(handle1, handle2)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> tokio/src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | runtime.block_on(futures::future::join(handle1, handle2)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s [INFO] running `Command { std: "docker" "inspect" "4104f0bd78d4fb5b9c482c56434e90fd66b9bff9d113cd0a6cb918bc2284adb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4104f0bd78d4fb5b9c482c56434e90fd66b9bff9d113cd0a6cb918bc2284adb6", kill_on_drop: false }` [INFO] [stdout] 4104f0bd78d4fb5b9c482c56434e90fd66b9bff9d113cd0a6cb918bc2284adb6 [INFO] checking kvnvelasco/learning-rust against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvnvelasco%2Flearning-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kvnvelasco/learning-rust on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kvnvelasco/learning-rust [INFO] finished tweaking git repo https://github.com/kvnvelasco/learning-rust [INFO] tweaked toml for git repo https://github.com/kvnvelasco/learning-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kvnvelasco/learning-rust 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 536df23b5709b4aac849bb8677787461457962c7cee193d97356b618e9c060a4 [INFO] running `Command { std: "docker" "start" "-a" "536df23b5709b4aac849bb8677787461457962c7cee193d97356b618e9c060a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "536df23b5709b4aac849bb8677787461457962c7cee193d97356b618e9c060a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "536df23b5709b4aac849bb8677787461457962c7cee193d97356b618e9c060a4", kill_on_drop: false }` [INFO] [stdout] 536df23b5709b4aac849bb8677787461457962c7cee193d97356b618e9c060a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c82a450f86f2e43e07be147de192e5fe0d6708094c34411d8139bd8ad0cb8ca1 [INFO] running `Command { std: "docker" "start" "-a" "c82a450f86f2e43e07be147de192e5fe0d6708094c34411d8139bd8ad0cb8ca1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking slab v0.4.2 [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] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking threads v0.1.0 (/opt/rustwide/workdir/threads) [INFO] [stderr] Checking syscalls v0.1.0 (/opt/rustwide/workdir/syscalls) [INFO] [stderr] Checking learn-rust v0.1.0 (/opt/rustwide/workdir/dynamic-programming) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> threads/src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | thread.join(); [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] 34 | let _ = thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> threads/src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | thread.join(); [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] 34 | let _ = thread.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking ffi v0.1.0 (/opt/rustwide/workdir/ffi) [INFO] [stdout] warning: unused imports: `c_int`, `c_longlong`, and `c_uchar` [INFO] [stdout] --> ffi/src/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use std::os::raw::{c_char, c_int, c_longlong, c_uchar}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Done` is never constructed [INFO] [stdout] --> ffi/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | enum RsSyncResult { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 13 | Done = 0, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RsSyncResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `c_int`, `c_longlong`, and `c_uchar` [INFO] [stdout] --> ffi/src/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use std::os::raw::{c_char, c_int, c_longlong, c_uchar}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Delta` and `Blake2Hash` are never constructed [INFO] [stdout] --> ffi/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 17 | enum MagicNumber { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] 18 | Delta = 0x72730236, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | MD4 = 0x72730136, [INFO] [stdout] 20 | Blake2Hash = 0x72730137, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `RsyncStats`, which is not FFI-safe [INFO] [stdout] --> ffi/src/main.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | stats: *mut RsyncStats, [INFO] [stdout] | ^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> ffi/src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct RsyncStats {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking threaded-tcp-server v0.1.0 (/opt/rustwide/workdir/threaded-tcp-server) [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Done` is never constructed [INFO] [stdout] --> ffi/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | enum RsSyncResult { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 13 | Done = 0, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RsSyncResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Delta` and `Blake2Hash` are never constructed [INFO] [stdout] --> ffi/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 17 | enum MagicNumber { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] 18 | Delta = 0x72730236, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | MD4 = 0x72730136, [INFO] [stdout] 20 | Blake2Hash = 0x72730137, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `RsyncStats`, which is not FFI-safe [INFO] [stdout] --> ffi/src/main.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | stats: *mut RsyncStats, [INFO] [stdout] | ^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a member to this struct [INFO] [stdout] = note: this struct has no fields [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> ffi/src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct RsyncStats {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read_size` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let read_size = stream.read(&mut buffer).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let request = { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> threaded-tcp-server/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | req.parse(&buffer); [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] 23 | let _ = req.parse(&buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `read_size` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let read_size = stream.read(&mut buffer).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> threaded-tcp-server/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let request = { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> threaded-tcp-server/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | req.parse(&buffer); [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] 23 | let _ = req.parse(&buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.16 [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 futures_reimpl v0.1.0 (/opt/rustwide/workdir/futures_reimpl) [INFO] [stdout] warning: unused import: `Poll` [INFO] [stdout] --> futures_reimpl/src/main.rs:32:54 [INFO] [stdout] | [INFO] [stdout] 32 | use futures::task::{waker_ref, ArcWake, Context, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BorrowMut` [INFO] [stdout] --> futures_reimpl/src/timer.rs:3:27 [INFO] [stdout] | [INFO] [stdout] 3 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> futures_reimpl/src/timer.rs:7:36 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::{Duration, Instant, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Poll` [INFO] [stdout] --> futures_reimpl/src/main.rs:32:54 [INFO] [stdout] | [INFO] [stdout] 32 | use futures::task::{waker_ref, ArcWake, Context, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BorrowMut` [INFO] [stdout] --> futures_reimpl/src/timer.rs:3:27 [INFO] [stdout] | [INFO] [stdout] 3 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemTime` [INFO] [stdout] --> futures_reimpl/src/timer.rs:7:36 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::{Duration, Instant, SystemTime}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> futures_reimpl/src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | for i in 0..=100_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> futures_reimpl/src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | for i in 0..=100_000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread_count` [INFO] [stdout] --> futures_reimpl/src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let thread_count = thread_count.clone(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread_count` [INFO] [stdout] --> futures_reimpl/src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let thread_count = thread_count.clone(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> futures_reimpl/src/main.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let time = SystemTime::now(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> futures_reimpl/src/main.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | let time = SystemTime::now(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> futures_reimpl/src/main.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | while let task = self.queue.recv().expect("Unable to get task") { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> futures_reimpl/src/main.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 41 | while let task = self.queue.recv().expect("Unable to get task") { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> futures_reimpl/src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | main.join(); [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] 24 | let _ = main.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> futures_reimpl/src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | main.join(); [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] 24 | let _ = main.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> futures_reimpl/src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | arc_self.requeue_handle.send(arc_self.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 82 | let _ = arc_self.requeue_handle.send(arc_self.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> futures_reimpl/src/main.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | arc_self.requeue_handle.send(arc_self.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 82 | let _ = arc_self.requeue_handle.send(arc_self.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> futures_reimpl/src/main.rs:88:10 [INFO] [stdout] | [INFO] [stdout] 87 | let (spawn_handle, queue) = sync_channel(10_000); [INFO] [stdout] | ------------ ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 88 | (Executor { queue }, Spawner { spawn_handle }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> futures_reimpl/src/main.rs:88:30 [INFO] [stdout] | [INFO] [stdout] 87 | let (spawn_handle, queue) = sync_channel(10_000); [INFO] [stdout] | ------------ ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 88 | (Executor { queue }, Spawner { spawn_handle }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> futures_reimpl/src/main.rs:88:10 [INFO] [stdout] | [INFO] [stdout] 87 | let (spawn_handle, queue) = sync_channel(10_000); [INFO] [stdout] | ------------ ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 88 | (Executor { queue }, Spawner { spawn_handle }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> futures_reimpl/src/main.rs:88:30 [INFO] [stdout] | [INFO] [stdout] 87 | let (spawn_handle, queue) = sync_channel(10_000); [INFO] [stdout] | ------------ ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 88 | (Executor { queue }, Spawner { spawn_handle }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `futures_reimpl` (bin "futures_reimpl") due to 3 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `futures_reimpl` (bin "futures_reimpl" test) due to 3 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c82a450f86f2e43e07be147de192e5fe0d6708094c34411d8139bd8ad0cb8ca1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c82a450f86f2e43e07be147de192e5fe0d6708094c34411d8139bd8ad0cb8ca1", kill_on_drop: false }` [INFO] [stdout] c82a450f86f2e43e07be147de192e5fe0d6708094c34411d8139bd8ad0cb8ca1