[INFO] fetching crate net-utils 0.0.5... [INFO] checking net-utils-0.0.5 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] extracting crate net-utils 0.0.5 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate net-utils 0.0.5 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate net-utils 0.0.5 [INFO] finished tweaking crates.io crate net-utils 0.0.5 [INFO] tweaked toml for crates.io crate net-utils 0.0.5 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33d0bbb6637dc055435e63a5486684316bd9e95cb5569effd8d72b12fd5dc35d [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" "33d0bbb6637dc055435e63a5486684316bd9e95cb5569effd8d72b12fd5dc35d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33d0bbb6637dc055435e63a5486684316bd9e95cb5569effd8d72b12fd5dc35d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33d0bbb6637dc055435e63a5486684316bd9e95cb5569effd8d72b12fd5dc35d", kill_on_drop: false }` [INFO] [stdout] 33d0bbb6637dc055435e63a5486684316bd9e95cb5569effd8d72b12fd5dc35d [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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 88f298dcf2b050fc6be4704b1c62cbb6d4872094dc5ee6238dae4e0ce05bee7e [INFO] running `Command { std: "docker" "start" "-a" "88f298dcf2b050fc6be4704b1c62cbb6d4872094dc5ee6238dae4e0ce05bee7e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking uuid v0.1.18 [INFO] [stderr] Checking net-utils v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/net/conn.rs:151:22 [INFO] [stdout] | [INFO] [stdout] 151 | let server = try!(Connection::host_to_sock_address(host, port)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/net/conn.rs:154:29 [INFO] [stdout] | [INFO] [stdout] 154 | stream_socket = try!(TcpStream::connect_timeout( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/net/conn.rs:159:29 [INFO] [stdout] | [INFO] [stdout] 159 | stream_socket = try!(TcpStream::connect(server)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/net/conn.rs:173:29 [INFO] [stdout] | [INFO] [stdout] 173 | let writer_socket = try!(stream_socket.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/net/config.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/net/conn.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/net/conn.rs:361:47 [INFO] [stdout] | [INFO] [stdout] 361 | fn write(&mut self, buf: &[u8]) -> Result<(usize)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/net/conn.rs:151:22 [INFO] [stdout] | [INFO] [stdout] 151 | let server = try!(Connection::host_to_sock_address(host, port)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/net/conn.rs:154:29 [INFO] [stdout] | [INFO] [stdout] 154 | stream_socket = try!(TcpStream::connect_timeout( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/net/conn.rs:159:29 [INFO] [stdout] | [INFO] [stdout] 159 | stream_socket = try!(TcpStream::connect(server)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/net/conn.rs:173:29 [INFO] [stdout] | [INFO] [stdout] 173 | let writer_socket = try!(stream_socket.try_clone()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/net/config.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::Duration; [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/net/config.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/net/conn.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/net/conn.rs:361:47 [INFO] [stdout] | [INFO] [stdout] 361 | fn write(&mut self, buf: &[u8]) -> Result<(usize)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/net/poolmgr.rs:296:46 [INFO] [stdout] | [INFO] [stdout] 296 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/net/poolmgr.rs:297:43 [INFO] [stdout] | [INFO] [stdout] 297 | static NEXT_OFFSET: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/net/conn.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 120 | let server = match (host, port).to_socket_addrs() { [INFO] [stdout] | ______________________- [INFO] [stdout] 121 | | Ok(mut host_iter) => { [INFO] [stdout] 122 | | match host_iter.next() { [INFO] [stdout] 123 | | Some(mut host_addr) => return Ok(host_addr), [INFO] [stdout] ... | [INFO] [stdout] 135 | | } [INFO] [stdout] 136 | | }; [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 137 | let err_str = format!("Failed to parse {}:{}. ", host, port); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> src/net/conn.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 120 | let server = match (host, port).to_socket_addrs() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [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/net/conn.rs:123:26 [INFO] [stdout] | [INFO] [stdout] 123 | Some(mut host_addr) => return Ok(host_addr), [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/net/conn.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | let mut stream_socket; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_file` [INFO] [stdout] --> src/net/config.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn from_file(file: &str) -> Config { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/net/conn.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 120 | let server = match (host, port).to_socket_addrs() { [INFO] [stdout] | ______________________- [INFO] [stdout] 121 | | Ok(mut host_iter) => { [INFO] [stdout] 122 | | match host_iter.next() { [INFO] [stdout] 123 | | Some(mut host_addr) => return Ok(host_addr), [INFO] [stdout] ... | [INFO] [stdout] 135 | | } [INFO] [stdout] 136 | | }; [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 137 | let err_str = format!("Failed to parse {}:{}. ", host, port); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for an associated function [INFO] [stdout] --> src/net/conn.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn get_peer_address(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | #![warn(missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for an associated function [INFO] [stdout] --> src/net/conn.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn get_local_address(&self) -> &String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> src/net/conn.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 120 | let server = match (host, port).to_socket_addrs() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [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/net/conn.rs:123:26 [INFO] [stdout] | [INFO] [stdout] 123 | Some(mut host_addr) => return Ok(host_addr), [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/net/conn.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | let mut stream_socket; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_file` [INFO] [stdout] --> src/net/config.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn from_file(file: &str) -> Config { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.72s [INFO] running `Command { std: "docker" "inspect" "88f298dcf2b050fc6be4704b1c62cbb6d4872094dc5ee6238dae4e0ce05bee7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88f298dcf2b050fc6be4704b1c62cbb6d4872094dc5ee6238dae4e0ce05bee7e", kill_on_drop: false }` [INFO] [stdout] 88f298dcf2b050fc6be4704b1c62cbb6d4872094dc5ee6238dae4e0ce05bee7e