Dec 18 01:47:05.088 INFO checking daogangtang/learn-rust-lib against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:47:05.088 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/daogangtang/learn-rust-lib:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:47:05.441 INFO [stdout] eb855dc32974e6855f7cdf212e195e8e57696838fc278a832821786e0d37b8fc
Dec 18 01:47:05.452 INFO running `"docker" "start" "-a" "eb855dc32974e6855f7cdf212e195e8e57696838fc278a832821786e0d37b8fc"`
Dec 18 01:47:07.634 INFO [stderr]     Checking c_linked_list v1.1.1
Dec 18 01:47:08.073 INFO [stderr]     Checking get_if_addrs v0.5.3
Dec 18 01:47:08.509 INFO [stderr]     Checking learn-rust-lib v0.1.0 (/opt/crater/workdir)
Dec 18 01:47:08.862 INFO [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`
Dec 18 01:47:08.862 INFO [stderr]  --> src/get_if_addrs.rs:4:24
Dec 18 01:47:08.862 INFO [stderr]   |
Dec 18 01:47:08.862 INFO [stderr] 4 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
Dec 18 01:47:08.862 INFO [stderr]   |                        ^^^^^^^^  ^^^^^^^^
Dec 18 01:47:08.862 INFO [stderr]   |
Dec 18 01:47:08.862 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:47:08.862 INFO [stderr] 
Dec 18 01:47:08.887 INFO [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`
Dec 18 01:47:08.887 INFO [stderr]  --> src/get_if_addrs.rs:4:24
Dec 18 01:47:08.887 INFO [stderr]   |
Dec 18 01:47:08.887 INFO [stderr] 4 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
Dec 18 01:47:08.887 INFO [stderr]   |                        ^^^^^^^^  ^^^^^^^^
Dec 18 01:47:08.887 INFO [stderr]   |
Dec 18 01:47:08.887 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:47:08.887 INFO [stderr] 
Dec 18 01:47:08.915 INFO [stderr] warning: unreachable pattern
Dec 18 01:47:08.915 INFO [stderr]   --> src/get_if_addrs.rs:28:13
Dec 18 01:47:08.915 INFO [stderr]    |
Dec 18 01:47:08.915 INFO [stderr] 28 |             _ => (),
Dec 18 01:47:08.915 INFO [stderr]    |             ^
Dec 18 01:47:08.915 INFO [stderr]    |
Dec 18 01:47:08.915 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 18 01:47:08.915 INFO [stderr] 
Dec 18 01:47:08.937 INFO [stderr] warning: unreachable pattern
Dec 18 01:47:08.937 INFO [stderr]   --> src/get_if_addrs.rs:28:13
Dec 18 01:47:08.937 INFO [stderr]    |
Dec 18 01:47:08.937 INFO [stderr] 28 |             _ => (),
Dec 18 01:47:08.937 INFO [stderr]    |             ^
Dec 18 01:47:08.937 INFO [stderr]    |
Dec 18 01:47:08.937 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 18 01:47:08.937 INFO [stderr] 
Dec 18 01:47:09.028 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Dec 18 01:47:09.778 INFO running `"docker" "inspect" "eb855dc32974e6855f7cdf212e195e8e57696838fc278a832821786e0d37b8fc"`
Dec 18 01:47:10.002 INFO running `"docker" "rm" "-f" "eb855dc32974e6855f7cdf212e195e8e57696838fc278a832821786e0d37b8fc"`
Dec 18 01:47:10.332 INFO [stdout] eb855dc32974e6855f7cdf212e195e8e57696838fc278a832821786e0d37b8fc