[INFO] updating cached repository https://github.com/julianbieber/TcpClientSpeedtest [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bdb34f2aad1cd7255b7a2c976131873f0a5fdfe2 [INFO] checking julianbieber/TcpClientSpeedtest against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbieber%2FTcpClientSpeedtest" "work/builds/worker-3/source"` [INFO] [stderr] Cloning into 'work/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/julianbieber/TcpClientSpeedtest on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/julianbieber/TcpClientSpeedtest [INFO] finished tweaking git repo https://github.com/julianbieber/TcpClientSpeedtest [INFO] tweaked toml for git repo https://github.com/julianbieber/TcpClientSpeedtest written to work/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/julianbieber/TcpClientSpeedtest already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f3439123e126375d0aa7e5d187e83596fa0d625b8a699922e0d77bdd8c5e0645 [INFO] running `"docker" "start" "-a" "f3439123e126375d0aa7e5d187e83596fa0d625b8a699922e0d77bdd8c5e0645"` [INFO] [stderr] Checking tcp_client v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/main.rs:8:21 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::{Read, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpListener` [INFO] [stderr] --> src/main.rs:9:16 [INFO] [stderr] | [INFO] [stderr] 9 | use std::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | Ok(0) [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `mb_counter` should have an upper case name [INFO] [stderr] --> src/main.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | static mb_counter: AtomicUsize = AtomicUsize::new(0); [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper case: `MB_COUNTER` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | / TcpStream::connect(o.address.as_str()).map(|stream| { [INFO] [stderr] 52 | | short_read(stream, o.mb); [INFO] [stderr] 53 | | let c = mb_counter.fetch_add(1, Ordering::SeqCst); [INFO] [stderr] 54 | | println!("{}", c); [INFO] [stderr] 55 | | }); [INFO] [stderr] | |___________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:52:21 [INFO] [stderr] | [INFO] [stderr] 52 | short_read(stream, o.mb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/main.rs:8:21 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::{Read, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpListener` [INFO] [stderr] --> src/main.rs:9:16 [INFO] [stderr] | [INFO] [stderr] 9 | use std::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | Ok(0) [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `mb_counter` should have an upper case name [INFO] [stderr] --> src/main.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | static mb_counter: AtomicUsize = AtomicUsize::new(0); [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper case: `MB_COUNTER` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | / TcpStream::connect(o.address.as_str()).map(|stream| { [INFO] [stderr] 52 | | short_read(stream, o.mb); [INFO] [stderr] 53 | | let c = mb_counter.fetch_add(1, Ordering::SeqCst); [INFO] [stderr] 54 | | println!("{}", c); [INFO] [stderr] 55 | | }); [INFO] [stderr] | |___________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:52:21 [INFO] [stderr] | [INFO] [stderr] 52 | short_read(stream, o.mb); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.46s [INFO] running `"docker" "inspect" "f3439123e126375d0aa7e5d187e83596fa0d625b8a699922e0d77bdd8c5e0645"` [INFO] running `"docker" "rm" "-f" "f3439123e126375d0aa7e5d187e83596fa0d625b8a699922e0d77bdd8c5e0645"` [INFO] [stdout] f3439123e126375d0aa7e5d187e83596fa0d625b8a699922e0d77bdd8c5e0645