[INFO] crate net-utils 0.0.5 is already in cache
[INFO] extracting crate net-utils 0.0.5 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/net-utils/0.0.5
[INFO] extracting crate net-utils 0.0.5 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/net-utils/0.0.5
[INFO] validating manifest of net-utils-0.0.5 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of net-utils-0.0.5 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing net-utils-0.0.5
[INFO] finished frobbing net-utils-0.0.5
[INFO] frobbed toml for net-utils-0.0.5 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/net-utils/0.0.5/Cargo.toml
[INFO] started frobbing net-utils-0.0.5
[INFO] finished frobbing net-utils-0.0.5
[INFO] frobbed toml for net-utils-0.0.5 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/net-utils/0.0.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking net-utils-0.0.5 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/net-utils/0.0.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a06c6b1e0c0f0e5297a367815bdba1bacd1eb96d851c6c332b7b1666d1ba8db3
[INFO] running `"docker" "start" "-a" "a06c6b1e0c0f0e5297a367815bdba1bacd1eb96d851c6c332b7b1666d1ba8db3"`
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking net-utils v0.0.5 (/opt/crater/workdir)
[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: 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: 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]     = note: `#[warn(deprecated)]` 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: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: unreachable statement
[INFO] [stderr]    --> src/net/conn.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let err_str = format!("Failed to parse {}:{}. ", host, port);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: consider prefixing with an underscore: `_server`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/net/conn.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let err_str = format!("Failed to parse {}:{}. ", host, port);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/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: 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: 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 a method
[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: lint level 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 a method
[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: 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: consider prefixing 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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "a06c6b1e0c0f0e5297a367815bdba1bacd1eb96d851c6c332b7b1666d1ba8db3"`
[INFO] running `"docker" "rm" "-f" "a06c6b1e0c0f0e5297a367815bdba1bacd1eb96d851c6c332b7b1666d1ba8db3"`
[INFO] [stdout] a06c6b1e0c0f0e5297a367815bdba1bacd1eb96d851c6c332b7b1666d1ba8db3