[INFO] fetching crate net-utils 0.0.5... [INFO] checking net-utils-0.0.5 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate net-utils 0.0.5 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate net-utils 0.0.5 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [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-10/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] ec719692ef416118d7a00e98f405afadff03f4100d4fafec9f70885c7efa1f6a [INFO] running `"docker" "start" "-a" "ec719692ef416118d7a00e98f405afadff03f4100d4fafec9f70885c7efa1f6a"` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Checking serde_json v1.0.52 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking uuid v0.1.18 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking net-utils v0.0.5 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/net/conn.rs:151:22 [INFO] [stderr] | [INFO] [stderr] 151 | let server = try!(Connection::host_to_sock_address(host, port)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/net/conn.rs:154:29 [INFO] [stderr] | [INFO] [stderr] 154 | stream_socket = try!(TcpStream::connect_timeout( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/net/conn.rs:159:29 [INFO] [stderr] | [INFO] [stderr] 159 | stream_socket = try!(TcpStream::connect(server)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/net/conn.rs:173:29 [INFO] [stderr] | [INFO] [stderr] 173 | let writer_socket = try!(stream_socket.try_clone()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/net/config.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::time::Duration; [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/net/config.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/net/conn.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/net/conn.rs:361:47 [INFO] [stderr] | [INFO] [stderr] 361 | fn write(&mut self, buf: &[u8]) -> Result<(usize)> { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/net/poolmgr.rs:296:46 [INFO] [stderr] | [INFO] [stderr] 296 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/net/poolmgr.rs:297:43 [INFO] [stderr] | [INFO] [stderr] 297 | static NEXT_OFFSET: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/net/conn.rs:151:22 [INFO] [stderr] | [INFO] [stderr] 151 | let server = try!(Connection::host_to_sock_address(host, port)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/net/conn.rs:154:29 [INFO] [stderr] | [INFO] [stderr] 154 | stream_socket = try!(TcpStream::connect_timeout( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/net/conn.rs:159:29 [INFO] [stderr] | [INFO] [stderr] 159 | stream_socket = try!(TcpStream::connect(server)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/net/conn.rs:173:29 [INFO] [stderr] | [INFO] [stderr] 173 | let writer_socket = try!(stream_socket.try_clone()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/net/config.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/net/conn.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/net/conn.rs:361:47 [INFO] [stderr] | [INFO] [stderr] 361 | fn write(&mut self, buf: &[u8]) -> Result<(usize)> { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/net/conn.rs:137:9 [INFO] [stderr] | [INFO] [stderr] 120 | let server = match (host, port).to_socket_addrs() { [INFO] [stderr] | ______________________- [INFO] [stderr] 121 | | Ok(mut host_iter) => { [INFO] [stderr] 122 | | match host_iter.next() { [INFO] [stderr] 123 | | Some(mut host_addr) => return Ok(host_addr), [INFO] [stderr] ... | [INFO] [stderr] 135 | | } [INFO] [stderr] 136 | | }; [INFO] [stderr] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] 137 | let err_str = format!("Failed to parse {}:{}. ", host, port); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/net/conn.rs:137:9 [INFO] [stderr] | [INFO] [stderr] 120 | let server = match (host, port).to_socket_addrs() { [INFO] [stderr] | ______________________- [INFO] [stderr] 121 | | Ok(mut host_iter) => { [INFO] [stderr] 122 | | match host_iter.next() { [INFO] [stderr] 123 | | Some(mut host_addr) => return Ok(host_addr), [INFO] [stderr] ... | [INFO] [stderr] 135 | | } [INFO] [stderr] 136 | | }; [INFO] [stderr] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] 137 | let err_str = format!("Failed to parse {}:{}. ", host, port); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `server` [INFO] [stderr] --> src/net/conn.rs:120:13 [INFO] [stderr] | [INFO] [stderr] 120 | let server = match (host, port).to_socket_addrs() { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/net/conn.rs:123:26 [INFO] [stderr] | [INFO] [stderr] 123 | Some(mut host_addr) => return Ok(host_addr), [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: unused variable: `server` [INFO] [stderr] --> src/net/conn.rs:120:13 [INFO] [stderr] | [INFO] [stderr] 120 | let server = match (host, port).to_socket_addrs() { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/net/conn.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | let mut stream_socket; [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/net/conn.rs:123:26 [INFO] [stderr] | [INFO] [stderr] 123 | Some(mut host_addr) => return Ok(host_addr), [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: method is never used: `from_file` [INFO] [stderr] --> src/net/config.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | fn from_file(file: &str) -> Config { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/net/conn.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | let mut stream_socket; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_file` [INFO] [stderr] --> src/net/config.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | fn from_file(file: &str) -> Config { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: missing documentation for an associated function [INFO] [stderr] --> src/net/conn.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn get_peer_address(&self) -> &String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | #![warn(missing_docs)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for an associated function [INFO] [stderr] --> src/net/conn.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn get_local_address(&self) -> &String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.60s [INFO] running `"docker" "inspect" "ec719692ef416118d7a00e98f405afadff03f4100d4fafec9f70885c7efa1f6a"` [INFO] running `"docker" "rm" "-f" "ec719692ef416118d7a00e98f405afadff03f4100d4fafec9f70885c7efa1f6a"` [INFO] [stdout] ec719692ef416118d7a00e98f405afadff03f4100d4fafec9f70885c7efa1f6a