[INFO] fetching crate drpc 0.1.19... [INFO] checking drpc-0.1.19 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692 [INFO] extracting crate drpc 0.1.19 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate drpc 0.1.19 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate drpc 0.1.19 [INFO] finished tweaking crates.io crate drpc 0.1.19 [INFO] tweaked toml for crates.io crate drpc 0.1.19 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.8.2 [INFO] [stderr] Downloaded dark-std v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d60800340b600184524c1e1fdca925b8b1e688e7f20d32297601bdfa3209670e [INFO] running `Command { std: "docker" "start" "-a" "d60800340b600184524c1e1fdca925b8b1e688e7f20d32297601bdfa3209670e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d60800340b600184524c1e1fdca925b8b1e688e7f20d32297601bdfa3209670e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d60800340b600184524c1e1fdca925b8b1e688e7f20d32297601bdfa3209670e", kill_on_drop: false }` [INFO] [stdout] d60800340b600184524c1e1fdca925b8b1e688e7f20d32297601bdfa3209670e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44ec37b0599c579179d266171535bd21b1f5a6b45b84b3e36ac1db27fec768b0 [INFO] running `Command { std: "docker" "start" "-a" "44ec37b0599c579179d266171535bd21b1f5a6b45b84b3e36ac1db27fec768b0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking futures-sink v0.3.24 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Checking bytes v1.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling async-trait v0.1.57 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling lock_api v0.4.8 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling tokio v1.21.1 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking spin v0.9.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling futures-macro v0.3.24 [INFO] [stderr] Compiling pin-project-internal v1.0.12 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking pin-project v1.0.12 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking futures-executor v0.3.24 [INFO] [stderr] Checking futures v0.3.24 [INFO] [stderr] Checking time v0.3.14 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking dark-std v0.1.5 [INFO] [stderr] Checking drpc v0.1.19 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/frame.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, ErrorKind}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicU64`, `Ordering` [INFO] [stdout] --> src/frame.rs:6:25 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::atomic::{AtomicU64, Ordering}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error` [INFO] [stdout] --> src/frame.rs:9:18 [INFO] [stdout] | [INFO] [stdout] 9 | use log::{debug, error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering` [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::sync::atomic::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/frame.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, ErrorKind}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicU64`, `Ordering` [INFO] [stdout] --> src/frame.rs:6:25 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::atomic::{AtomicU64, Ordering}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error` [INFO] [stdout] --> src/frame.rs:9:18 [INFO] [stdout] | [INFO] [stdout] 9 | use log::{debug, error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering` [INFO] [stdout] --> src/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::sync::atomic::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/frame.rs:106:26 [INFO] [stdout] | [INFO] [stdout] 106 | use std::io::{Error, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/frame.rs:118:44 [INFO] [stdout] | [INFO] [stdout] 118 | fn poll_read(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut ReadBuf<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/frame.rs:126:45 [INFO] [stdout] | [INFO] [stdout] 126 | fn poll_write(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8]) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/frame.rs:131:45 [INFO] [stdout] | [INFO] [stdout] 131 | fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/frame.rs:135:48 [INFO] [stdout] | [INFO] [stdout] 135 | fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/balance.rs:179:13 [INFO] [stdout] | [INFO] [stdout] 179 | let mut load: LoadBalance = LoadBalance::new(); [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: variable does not need to be mutable [INFO] [stdout] --> src/balance.rs:189:13 [INFO] [stdout] | [INFO] [stdout] 189 | let mut load: LoadBalance = LoadBalance::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/balance.rs:199:13 [INFO] [stdout] | [INFO] [stdout] 199 | let mut load: LoadBalance = LoadBalance::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/frame.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | req.write_all(body).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::MaybeUninit` [INFO] [stdout] --> benches/bench_balance.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::mem::MaybeUninit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> benches/bench_balance.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> benches/bench_balance.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `drpc::client::Client` [INFO] [stdout] --> benches/bench_balance.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use drpc::client::Client; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/bench_balance.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut load =LoadBalance::::new(); [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 implementer of `Future` that must be used [INFO] [stdout] --> benches/bench_balance.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | load.put(C{addr:"127.0.0.1:13000".to_string()}); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> benches/bench_serde.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let b: A = serde_json::from_str(&a).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Future` that must be used [INFO] [stdout] --> benches/bench_balance.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | load.put(C{addr:"127.0.0.1:13001".to_string()}); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Future` that must be used [INFO] [stdout] --> benches/bench_balance.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | load.put(C{addr:"127.0.0.1:13002".to_string()}); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Future` that must be used [INFO] [stdout] --> benches/bench_balance.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | load.put(C{addr:"127.0.0.1:13003".to_string()}); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> benches/latency.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> benches/latency.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> benches/bench_bincode.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let b: A = bincode::deserialize(&a).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> benches/latency.rs:48:29 [INFO] [stdout] | [INFO] [stdout] 48 | let resp: i32 = c.call("handle", v).await.unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> benches/latency.rs:50:25 [INFO] [stdout] | [INFO] [stdout] 50 | Err(e) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/latency.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let mut c = Client::::dial("127.0.0.1:10000").await.unwrap(); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.85s [INFO] running `Command { std: "docker" "inspect" "44ec37b0599c579179d266171535bd21b1f5a6b45b84b3e36ac1db27fec768b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44ec37b0599c579179d266171535bd21b1f5a6b45b84b3e36ac1db27fec768b0", kill_on_drop: false }` [INFO] [stdout] 44ec37b0599c579179d266171535bd21b1f5a6b45b84b3e36ac1db27fec768b0