[INFO] updating cached repository https://github.com/gavxin/rust-misc [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 033a89b9fc5d83f095dd151d391eb44de2f5eb8c [INFO] checking gavxin/rust-misc against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavxin%2Frust-misc" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gavxin/rust-misc on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/gavxin/rust-misc [INFO] finished tweaking git repo https://github.com/gavxin/rust-misc [INFO] tweaked toml for git repo https://github.com/gavxin/rust-misc written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/gavxin/rust-misc already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d9e7efd6201d21174e68f841de69d7ba1367d944a94fa485f410c85c2ab22878 [INFO] running `"docker" "start" "-a" "d9e7efd6201d21174e68f841de69d7ba1367d944a94fa485f410c85c2ab22878"` [INFO] [stderr] Checking rust-misc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `Ipv6Addr`, `SocketAddrV4`, `SocketAddr` [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:3:50 [INFO] [stderr] | [INFO] [stderr] 3 | use std::net::{TcpListener, TcpStream, Shutdown, SocketAddr, SocketAddrV4, Ipv4Addr, Ipv6Addr}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:134:24 [INFO] [stderr] | [INFO] [stderr] 134 | if (e.kind() == ErrorKind::WouldBlock) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Ipv6Addr`, `SocketAddrV4`, `SocketAddr` [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:3:50 [INFO] [stderr] | [INFO] [stderr] 3 | use std::net::{TcpListener, TcpStream, Shutdown, SocketAddr, SocketAddrV4, Ipv4Addr, Ipv6Addr}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:134:24 [INFO] [stderr] | [INFO] [stderr] 134 | if (e.kind() == ErrorKind::WouldBlock) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:176:5 [INFO] [stderr] | [INFO] [stderr] 148 | / loop { [INFO] [stderr] 149 | | match stream.read(&mut buff) { [INFO] [stderr] 150 | | Ok(n) => { [INFO] [stderr] 151 | | if n == 0 { [INFO] [stderr] ... | [INFO] [stderr] 171 | | } [INFO] [stderr] 172 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 176 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:176:5 [INFO] [stderr] | [INFO] [stderr] 148 | / loop { [INFO] [stderr] 149 | | match stream.read(&mut buff) { [INFO] [stderr] 150 | | Ok(n) => { [INFO] [stderr] 151 | | if n == 0 { [INFO] [stderr] ... | [INFO] [stderr] 171 | | } [INFO] [stderr] 172 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 176 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | let mut s : String; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:60:17 [INFO] [stderr] | [INFO] [stderr] 60 | let mut port = ((tmp[4] as u16) << 8) + tmp[5] as u16; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:70:17 [INFO] [stderr] | [INFO] [stderr] 70 | let mut port = ((port_buf[0] as u16) << 8) + port_buf[1] as u16; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:195:13 [INFO] [stderr] | [INFO] [stderr] 195 | dbg!(ret); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | let mut s : String; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:60:17 [INFO] [stderr] | [INFO] [stderr] 60 | let mut port = ((tmp[4] as u16) << 8) + tmp[5] as u16; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:70:17 [INFO] [stderr] | [INFO] [stderr] 70 | let mut port = ((port_buf[0] as u16) << 8) + port_buf[1] as u16; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/simple_socks_proxy.rs:195:13 [INFO] [stderr] | [INFO] [stderr] 195 | dbg!(ret); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `"docker" "inspect" "d9e7efd6201d21174e68f841de69d7ba1367d944a94fa485f410c85c2ab22878"` [INFO] running `"docker" "rm" "-f" "d9e7efd6201d21174e68f841de69d7ba1367d944a94fa485f410c85c2ab22878"` [INFO] [stdout] d9e7efd6201d21174e68f841de69d7ba1367d944a94fa485f410c85c2ab22878