[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 try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavxin%2Frust-misc" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gavxin/rust-misc on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b971f6da8e2827498ab71c2ce9d26813ea783a13cb76f9011fe0b2f3d17aae8e [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" "b971f6da8e2827498ab71c2ce9d26813ea783a13cb76f9011fe0b2f3d17aae8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b971f6da8e2827498ab71c2ce9d26813ea783a13cb76f9011fe0b2f3d17aae8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b971f6da8e2827498ab71c2ce9d26813ea783a13cb76f9011fe0b2f3d17aae8e", kill_on_drop: false }` [INFO] [stdout] b971f6da8e2827498ab71c2ce9d26813ea783a13cb76f9011fe0b2f3d17aae8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebeac5537f2986786ea18bca901a33792b3525404b0e6912dbe84f8e72b5c94b [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" "ebeac5537f2986786ea18bca901a33792b3525404b0e6912dbe84f8e72b5c94b", 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: 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: 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 `std::result::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 `std::result::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 0.50s [INFO] running `Command { std: "docker" "inspect" "ebeac5537f2986786ea18bca901a33792b3525404b0e6912dbe84f8e72b5c94b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebeac5537f2986786ea18bca901a33792b3525404b0e6912dbe84f8e72b5c94b", kill_on_drop: false }` [INFO] [stdout] ebeac5537f2986786ea18bca901a33792b3525404b0e6912dbe84f8e72b5c94b