Nov 29 17:04:09.931 INFO checking synthkaf/ping-rs against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 17:04:09.931 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 17:04:10.380 INFO [stdout] 1351d982380ad398f0d94122107789d20fd01751a6af0512cff427863751a417
Nov 29 17:04:10.382 INFO running `"docker" "start" "-a" "1351d982380ad398f0d94122107789d20fd01751a6af0512cff427863751a417"`
Nov 29 17:04:12.596 INFO [stderr] usermod: no changes
Nov 29 17:04:12.750 INFO [stderr]    Compiling rustc-serialize v0.3.24
Nov 29 17:04:12.751 INFO [stderr]    Compiling term v0.4.6
Nov 29 17:04:12.751 INFO [stderr]    Compiling unicode-xid v0.0.3
Nov 29 17:04:12.752 INFO [stderr]    Compiling ucd-util v0.1.2
Nov 29 17:04:12.764 INFO [stderr]    Compiling bitflags v0.5.0
Nov 29 17:04:12.764 INFO [stderr]    Compiling utf8-ranges v1.0.2
Nov 29 17:04:12.769 INFO [stderr]     Checking pnet_base v0.21.0
Nov 29 17:04:12.770 INFO [stderr]     Checking ipnetwork v0.12.8
Nov 29 17:04:13.902 INFO [stderr]    Compiling pnet v0.21.0
Nov 29 17:04:14.572 INFO [stderr]    Compiling thread_local v0.3.6
Nov 29 17:04:14.689 INFO [stderr]     Checking pnet_sys v0.21.0
Nov 29 17:04:16.965 INFO [stderr]     Checking pnet_macros_support v0.21.0
Nov 29 17:04:16.965 INFO [stderr]     Checking pnet_datalink v0.21.0
Nov 29 17:04:17.006 INFO [stderr]    Compiling regex-syntax v0.5.6
Nov 29 17:04:17.062 INFO [stderr]    Compiling memchr v2.1.1
Nov 29 17:04:24.122 INFO [stderr]    Compiling aho-corasick v0.6.9
Nov 29 17:04:33.922 INFO [stderr]    Compiling syntex_pos v0.42.0
Nov 29 17:04:38.160 INFO [stderr]    Compiling syntex_errors v0.42.0
Nov 29 17:04:41.290 INFO [stderr]    Compiling regex v0.2.11
Nov 29 17:04:45.148 INFO [stderr]    Compiling syntex_syntax v0.42.0
Nov 29 17:05:32.376 INFO [stderr]    Compiling syntex v0.42.2
Nov 29 17:05:33.380 INFO [stderr]    Compiling pnet_macros v0.21.0
Nov 29 17:05:35.929 INFO [stderr]    Compiling pnet_packet v0.21.0
Nov 29 17:05:48.408 INFO [stderr]     Checking pnet_transport v0.21.0
Nov 29 17:05:49.020 INFO [stderr]     Checking ping-rs v0.1.0 (/source)
Nov 29 17:05:49.517 INFO [stderr] warning: unused import: `IcmpPacket`
Nov 29 17:05:49.517 INFO [stderr]  --> src/pinger.rs:8:45
Nov 29 17:05:49.518 INFO [stderr]   |
Nov 29 17:05:49.518 INFO [stderr] 8 | use pnet::packet::icmp::{MutableIcmpPacket, IcmpPacket, IcmpCode, IcmpType};
Nov 29 17:05:49.518 INFO [stderr]   |                                             ^^^^^^^^^^
Nov 29 17:05:49.518 INFO [stderr]   |
Nov 29 17:05:49.518 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 17:05:49.518 INFO [stderr] 
Nov 29 17:05:49.518 INFO [stderr] warning: unused import: `cli::Args`
Nov 29 17:05:49.518 INFO [stderr]  --> src/main.rs:7:5
Nov 29 17:05:49.518 INFO [stderr]   |
Nov 29 17:05:49.518 INFO [stderr] 7 | use cli::Args;
Nov 29 17:05:49.518 INFO [stderr]   |     ^^^^^^^^^
Nov 29 17:05:49.518 INFO [stderr] 
Nov 29 17:05:49.604 INFO [stderr] warning: unused import: `IcmpPacket`
Nov 29 17:05:49.604 INFO [stderr]  --> src/pinger.rs:8:45
Nov 29 17:05:49.604 INFO [stderr]   |
Nov 29 17:05:49.604 INFO [stderr] 8 | use pnet::packet::icmp::{MutableIcmpPacket, IcmpPacket, IcmpCode, IcmpType};
Nov 29 17:05:49.604 INFO [stderr]   |                                             ^^^^^^^^^^
Nov 29 17:05:49.604 INFO [stderr]   |
Nov 29 17:05:49.604 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 17:05:49.604 INFO [stderr] 
Nov 29 17:05:49.604 INFO [stderr] warning: unused import: `cli::Args`
Nov 29 17:05:49.604 INFO [stderr]  --> src/main.rs:7:5
Nov 29 17:05:49.604 INFO [stderr]   |
Nov 29 17:05:49.604 INFO [stderr] 7 | use cli::Args;
Nov 29 17:05:49.604 INFO [stderr]   |     ^^^^^^^^^
Nov 29 17:05:49.604 INFO [stderr] 
Nov 29 17:05:49.644 INFO [stderr] warning: unused variable: `iter`
Nov 29 17:05:49.644 INFO [stderr]   --> src/pinger.rs:51:17
Nov 29 17:05:49.644 INFO [stderr]    |
Nov 29 17:05:49.644 INFO [stderr] 51 |         let mut iter =  icmp_packet_iter(&mut rx);
Nov 29 17:05:49.644 INFO [stderr]    |                 ^^^^ help: consider using `_iter` instead
Nov 29 17:05:49.644 INFO [stderr]    |
Nov 29 17:05:49.644 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 17:05:49.645 INFO [stderr] 
Nov 29 17:05:49.673 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:05:49.674 INFO [stderr]   --> src/pinger.rs:51:13
Nov 29 17:05:49.674 INFO [stderr]    |
Nov 29 17:05:49.674 INFO [stderr] 51 |         let mut iter =  icmp_packet_iter(&mut rx);
Nov 29 17:05:49.674 INFO [stderr]    |             ----^^^^
Nov 29 17:05:49.674 INFO [stderr]    |             |
Nov 29 17:05:49.674 INFO [stderr]    |             help: remove this `mut`
Nov 29 17:05:49.674 INFO [stderr]    |
Nov 29 17:05:49.674 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 17:05:49.674 INFO [stderr] 
Nov 29 17:05:49.674 INFO [stderr] warning: function is never used: `validate_count`
Nov 29 17:05:49.675 INFO [stderr]  --> src/cli.rs:7:1
Nov 29 17:05:49.675 INFO [stderr]   |
Nov 29 17:05:49.675 INFO [stderr] 7 | fn validate_count(s: String) -> Result<(), String> {
Nov 29 17:05:49.675 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.676 INFO [stderr]   |
Nov 29 17:05:49.676 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 17:05:49.676 INFO [stderr] 
Nov 29 17:05:49.676 INFO [stderr] warning: function is never used: `build_arg_parser`
Nov 29 17:05:49.677 INFO [stderr]   --> src/cli.rs:17:1
Nov 29 17:05:49.677 INFO [stderr]    |
Nov 29 17:05:49.677 INFO [stderr] 17 | fn build_arg_parser() -> App<'static, 'static> {
Nov 29 17:05:49.677 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.678 INFO [stderr] 
Nov 29 17:05:49.678 INFO [stderr] warning: struct is never constructed: `Args`
Nov 29 17:05:49.678 INFO [stderr]   --> src/cli.rs:38:1
Nov 29 17:05:49.678 INFO [stderr]    |
Nov 29 17:05:49.679 INFO [stderr] 38 | pub struct Args {
Nov 29 17:05:49.679 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 29 17:05:49.679 INFO [stderr] 
Nov 29 17:05:49.680 INFO [stderr] warning: function is never used: `resolve_host`
Nov 29 17:05:49.680 INFO [stderr]   --> src/cli.rs:44:1
Nov 29 17:05:49.680 INFO [stderr]    |
Nov 29 17:05:49.680 INFO [stderr] 44 | fn resolve_host(host: &str) -> Option<IpAddr> {
Nov 29 17:05:49.680 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.681 INFO [stderr] 
Nov 29 17:05:49.681 INFO [stderr] warning: method is never used: `from`
Nov 29 17:05:49.681 INFO [stderr]   --> src/cli.rs:57:5
Nov 29 17:05:49.681 INFO [stderr]    |
Nov 29 17:05:49.682 INFO [stderr] 57 |     fn from<'a, I: IntoIterator<Item = String> + 'a>(args: I) -> Result<Args, String> {
Nov 29 17:05:49.682 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.682 INFO [stderr] 
Nov 29 17:05:49.682 INFO [stderr] warning: method is never used: `from_cmdline`
Nov 29 17:05:49.683 INFO [stderr]   --> src/cli.rs:83:5
Nov 29 17:05:49.683 INFO [stderr]    |
Nov 29 17:05:49.683 INFO [stderr] 83 |     pub fn from_cmdline() -> Result<Args, String> {
Nov 29 17:05:49.683 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.684 INFO [stderr] 
Nov 29 17:05:49.684 INFO [stderr] warning: field is never used: `packets_received`
Nov 29 17:05:49.684 INFO [stderr]   --> src/pinger.rs:17:5
Nov 29 17:05:49.684 INFO [stderr]    |
Nov 29 17:05:49.685 INFO [stderr] 17 |     packets_received: u32,
Nov 29 17:05:49.685 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.685 INFO [stderr] warning: unused variable: `iter`
Nov 29 17:05:49.685 INFO [stderr]   --> src/pinger.rs:51:17
Nov 29 17:05:49.686 INFO [stderr]    |
Nov 29 17:05:49.686 INFO [stderr] 51 |         let mut iter =  icmp_packet_iter(&mut rx);
Nov 29 17:05:49.686 INFO [stderr]    |                 ^^^^ help: consider using `_iter` instead
Nov 29 17:05:49.686 INFO [stderr]    |
Nov 29 17:05:49.686 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 17:05:49.687 INFO [stderr] 
Nov 29 17:05:49.687 INFO [stderr] 
Nov 29 17:05:49.687 INFO [stderr] warning: field is never used: `rtts`
Nov 29 17:05:49.687 INFO [stderr]   --> src/pinger.rs:18:5
Nov 29 17:05:49.688 INFO [stderr]    |
Nov 29 17:05:49.688 INFO [stderr] 18 |     rtts: Vec<time::Duration>
Nov 29 17:05:49.688 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.688 INFO [stderr] 
Nov 29 17:05:49.711 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:05:49.711 INFO [stderr]   --> src/pinger.rs:51:13
Nov 29 17:05:49.711 INFO [stderr]    |
Nov 29 17:05:49.711 INFO [stderr] 51 |         let mut iter =  icmp_packet_iter(&mut rx);
Nov 29 17:05:49.711 INFO [stderr]    |             ----^^^^
Nov 29 17:05:49.711 INFO [stderr]    |             |
Nov 29 17:05:49.711 INFO [stderr]    |             help: remove this `mut`
Nov 29 17:05:49.711 INFO [stderr]    |
Nov 29 17:05:49.711 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 17:05:49.711 INFO [stderr] 
Nov 29 17:05:49.712 INFO [stderr] warning: function is never used: `validate_count`
Nov 29 17:05:49.712 INFO [stderr]  --> src/cli.rs:7:1
Nov 29 17:05:49.712 INFO [stderr]   |
Nov 29 17:05:49.712 INFO [stderr] 7 | fn validate_count(s: String) -> Result<(), String> {
Nov 29 17:05:49.712 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.712 INFO [stderr]   |
Nov 29 17:05:49.712 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 17:05:49.712 INFO [stderr] 
Nov 29 17:05:49.712 INFO [stderr] warning: function is never used: `build_arg_parser`
Nov 29 17:05:49.712 INFO [stderr]   --> src/cli.rs:17:1
Nov 29 17:05:49.712 INFO [stderr]    |
Nov 29 17:05:49.712 INFO [stderr] 17 | fn build_arg_parser() -> App<'static, 'static> {
Nov 29 17:05:49.712 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.712 INFO [stderr] 
Nov 29 17:05:49.712 INFO [stderr] warning: struct is never constructed: `Args`
Nov 29 17:05:49.712 INFO [stderr]   --> src/cli.rs:38:1
Nov 29 17:05:49.712 INFO [stderr]    |
Nov 29 17:05:49.712 INFO [stderr] 38 | pub struct Args {
Nov 29 17:05:49.712 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 29 17:05:49.713 INFO [stderr] 
Nov 29 17:05:49.713 INFO [stderr] warning: function is never used: `resolve_host`
Nov 29 17:05:49.713 INFO [stderr]   --> src/cli.rs:44:1
Nov 29 17:05:49.713 INFO [stderr]    |
Nov 29 17:05:49.713 INFO [stderr] 44 | fn resolve_host(host: &str) -> Option<IpAddr> {
Nov 29 17:05:49.713 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.713 INFO [stderr] 
Nov 29 17:05:49.713 INFO [stderr] warning: method is never used: `from`
Nov 29 17:05:49.713 INFO [stderr]   --> src/cli.rs:57:5
Nov 29 17:05:49.713 INFO [stderr]    |
Nov 29 17:05:49.713 INFO [stderr] 57 |     fn from<'a, I: IntoIterator<Item = String> + 'a>(args: I) -> Result<Args, String> {
Nov 29 17:05:49.713 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.714 INFO [stderr] 
Nov 29 17:05:49.714 INFO [stderr] warning: method is never used: `from_cmdline`
Nov 29 17:05:49.714 INFO [stderr]   --> src/cli.rs:83:5
Nov 29 17:05:49.714 INFO [stderr]    |
Nov 29 17:05:49.714 INFO [stderr] 83 |     pub fn from_cmdline() -> Result<Args, String> {
Nov 29 17:05:49.714 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.714 INFO [stderr] 
Nov 29 17:05:49.714 INFO [stderr] warning: field is never used: `packets_received`
Nov 29 17:05:49.714 INFO [stderr]   --> src/pinger.rs:17:5
Nov 29 17:05:49.714 INFO [stderr]    |
Nov 29 17:05:49.714 INFO [stderr] 17 |     packets_received: u32,
Nov 29 17:05:49.714 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.714 INFO [stderr] 
Nov 29 17:05:49.715 INFO [stderr] warning: field is never used: `rtts`
Nov 29 17:05:49.715 INFO [stderr]   --> src/pinger.rs:18:5
Nov 29 17:05:49.715 INFO [stderr]    |
Nov 29 17:05:49.715 INFO [stderr] 18 |     rtts: Vec<time::Duration>
Nov 29 17:05:49.715 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:05:49.715 INFO [stderr] 
Nov 29 17:05:49.755 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
Nov 29 17:05:49.773 INFO [stderr] su: No module specific data is present
Nov 29 17:05:51.240 INFO running `"docker" "inspect" "1351d982380ad398f0d94122107789d20fd01751a6af0512cff427863751a417"`
Nov 29 17:05:51.510 INFO running `"docker" "rm" "-f" "1351d982380ad398f0d94122107789d20fd01751a6af0512cff427863751a417"`
Nov 29 17:05:51.848 INFO [stdout] 1351d982380ad398f0d94122107789d20fd01751a6af0512cff427863751a417