[INFO] cloning repository https://github.com/aliaksandr-master/rust-tcp-bench [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aliaksandr-master/rust-tcp-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliaksandr-master%2Frust-tcp-bench", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliaksandr-master%2Frust-tcp-bench'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8391869764af43f3efcc4cc086e558ebe7900e69 [INFO] checking aliaksandr-master/rust-tcp-bench against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliaksandr-master%2Frust-tcp-bench" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aliaksandr-master/rust-tcp-bench on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aliaksandr-master/rust-tcp-bench [INFO] finished tweaking git repo https://github.com/aliaksandr-master/rust-tcp-bench [INFO] tweaked toml for git repo https://github.com/aliaksandr-master/rust-tcp-bench written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/aliaksandr-master/rust-tcp-bench already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18cf98c413866c2159c8bb31627773bf97b77acdc1201a404f02d167cde38c5e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "18cf98c413866c2159c8bb31627773bf97b77acdc1201a404f02d167cde38c5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18cf98c413866c2159c8bb31627773bf97b77acdc1201a404f02d167cde38c5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18cf98c413866c2159c8bb31627773bf97b77acdc1201a404f02d167cde38c5e", kill_on_drop: false }` [INFO] [stdout] 18cf98c413866c2159c8bb31627773bf97b77acdc1201a404f02d167cde38c5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0662f79749fcb8cb603af9db440892a0e9d073e9975c225c8533fab78df5b8bb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0662f79749fcb8cb603af9db440892a0e9d073e9975c225c8533fab78df5b8bb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking hdrhist v0.5.0 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking core_affinity v0.5.10 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking mio v0.7.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.20 [INFO] [stderr] Checking pin-project v0.4.22 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking rust-tcp-bench v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `futures::io::Error` [INFO] [stdout] --> src/tcp_server/tcp_server_mio.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mio::event::Event` [INFO] [stdout] --> src/tcp_server/tcp_server_mio.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use mio::event::Event; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Registry` [INFO] [stdout] --> src/tcp_server/tcp_server_mio.rs:4:35 [INFO] [stdout] | [INFO] [stdout] 4 | use mio::{Events, Interest, Poll, Registry, Token}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::from_utf8` [INFO] [stdout] --> src/tcp_server/tcp_server_mio.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::str::from_utf8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::io::Error` [INFO] [stdout] --> src/tcp_server/tcp_server_std.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/tcp_server/tcp_server_std.rs:3:41 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{SocketAddr, TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::StreamExt` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio.rs:4:46 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io::{AsyncReadExt, AsyncWriteExt, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio.rs:5:31 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio_framed_bytes.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncReadExt`, `AsyncWriteExt`, `Error` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio_framed_bytes.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io::{AsyncReadExt, AsyncWriteExt, Error}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio_framed_bytes.rs:5:31 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::io::Error` [INFO] [stdout] --> src/tcp_server/tcp_server_mio.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mio::event::Event` [INFO] [stdout] --> src/tcp_server/tcp_server_mio.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use mio::event::Event; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Registry` [INFO] [stdout] --> src/tcp_server/tcp_server_mio.rs:4:35 [INFO] [stdout] | [INFO] [stdout] 4 | use mio::{Events, Interest, Poll, Registry, Token}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::from_utf8` [INFO] [stdout] --> src/tcp_server/tcp_server_mio.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::str::from_utf8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::io::Error` [INFO] [stdout] --> src/tcp_server/tcp_server_std.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/tcp_server/tcp_server_std.rs:3:41 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{SocketAddr, TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::StreamExt` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio.rs:4:46 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io::{AsyncReadExt, AsyncWriteExt, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio.rs:5:31 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio_framed_bytes.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncReadExt`, `AsyncWriteExt`, `Error` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio_framed_bytes.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io::{AsyncReadExt, AsyncWriteExt, Error}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/tcp_server/tcp_server_tokio_framed_bytes.rs:5:31 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/tcp_bench.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | Ok(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp_server/tcp_server_tokio_framed_bytes.rs:20:20 [INFO] [stdout] | [INFO] [stdout] 20 | if let Ok((mut tcp_stream, addr)) = listener.accept().await { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/tcp_bench.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | Ok(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp_server/tcp_server_tokio_framed_bytes.rs:20:20 [INFO] [stdout] | [INFO] [stdout] 20 | if let Ok((mut tcp_stream, addr)) = listener.accept().await { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.84s [INFO] running `Command { std: "docker" "inspect" "0662f79749fcb8cb603af9db440892a0e9d073e9975c225c8533fab78df5b8bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0662f79749fcb8cb603af9db440892a0e9d073e9975c225c8533fab78df5b8bb", kill_on_drop: false }` [INFO] [stdout] 0662f79749fcb8cb603af9db440892a0e9d073e9975c225c8533fab78df5b8bb