[INFO] cloning repository https://github.com/gavxin/rust-misc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gavxin/rust-misc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavxin%2Frust-misc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavxin%2Frust-misc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 033a89b9fc5d83f095dd151d391eb44de2f5eb8c [INFO] checking gavxin/rust-misc against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavxin%2Frust-misc" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gavxin/rust-misc on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-6/source/Cargo.toml [INFO] crate git repo https://github.com/gavxin/rust-misc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f00ee54b66efc73be384342a8a35e5de35569cdee14471e79255785c8f56e716 [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" "f00ee54b66efc73be384342a8a35e5de35569cdee14471e79255785c8f56e716", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f00ee54b66efc73be384342a8a35e5de35569cdee14471e79255785c8f56e716", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f00ee54b66efc73be384342a8a35e5de35569cdee14471e79255785c8f56e716", kill_on_drop: false }` [INFO] [stdout] f00ee54b66efc73be384342a8a35e5de35569cdee14471e79255785c8f56e716 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 127b9b7cf43647aaa1411654fbc9cc62cc2f0400a7386da99311c87afd4f1989 [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" "127b9b7cf43647aaa1411654fbc9cc62cc2f0400a7386da99311c87afd4f1989", kill_on_drop: false }` [INFO] [stderr] Checking rust-misc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Ipv6Addr`, `SocketAddrV4`, `SocketAddr` [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:3:50 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream, Shutdown, SocketAddr, SocketAddrV4, Ipv4Addr, Ipv6Addr}; [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] --> src/bin/simple_socks_proxy.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:134:24 [INFO] [stdout] | [INFO] [stdout] 134 | if (e.kind() == ErrorKind::WouldBlock) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ipv6Addr`, `SocketAddrV4`, `SocketAddr` [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:3:50 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream, Shutdown, SocketAddr, SocketAddrV4, Ipv4Addr, Ipv6Addr}; [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] --> src/bin/simple_socks_proxy.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:134:24 [INFO] [stdout] | [INFO] [stdout] 134 | if (e.kind() == ErrorKind::WouldBlock) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 148 | / loop { [INFO] [stdout] 149 | | match stream.read(&mut buff) { [INFO] [stdout] 150 | | Ok(n) => { [INFO] [stdout] 151 | | if n == 0 { [INFO] [stdout] ... | [INFO] [stdout] 171 | | } [INFO] [stdout] 172 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 176 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let mut s : String; [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/bin/simple_socks_proxy.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut port = ((tmp[4] as u16) << 8) + tmp[5] as u16; [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/bin/simple_socks_proxy.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut port = ((port_buf[0] as u16) << 8) + port_buf[1] as u16; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 148 | / loop { [INFO] [stdout] 149 | | match stream.read(&mut buff) { [INFO] [stdout] 150 | | Ok(n) => { [INFO] [stdout] 151 | | if n == 0 { [INFO] [stdout] ... | [INFO] [stdout] 171 | | } [INFO] [stdout] 172 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 176 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let mut s : String; [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/bin/simple_socks_proxy.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut port = ((tmp[4] as u16) << 8) + tmp[5] as u16; [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/bin/simple_socks_proxy.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let mut port = ((port_buf[0] as u16) << 8) + port_buf[1] as u16; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:195:13 [INFO] [stdout] | [INFO] [stdout] 195 | dbg!(ret); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/simple_socks_proxy.rs:195:13 [INFO] [stdout] | [INFO] [stdout] 195 | dbg!(ret); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "127b9b7cf43647aaa1411654fbc9cc62cc2f0400a7386da99311c87afd4f1989", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "127b9b7cf43647aaa1411654fbc9cc62cc2f0400a7386da99311c87afd4f1989", kill_on_drop: false }` [INFO] [stdout] 127b9b7cf43647aaa1411654fbc9cc62cc2f0400a7386da99311c87afd4f1989