[INFO] cloning repository daogangtang/learn-rust-lib
[INFO] running `"git" "clone" "--bare" "git://github.com/daogangtang/learn-rust-lib.git" "work/cache/sources/gh/daogangtang/learn-rust-lib"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/daogangtang/learn-rust-lib'...
[INFO] running `"git" "clone" "work/cache/sources/gh/daogangtang/learn-rust-lib" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/daogangtang/learn-rust-lib"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/daogangtang/learn-rust-lib'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/daogangtang/learn-rust-lib" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/daogangtang/learn-rust-lib"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/daogangtang/learn-rust-lib'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28736be251de818accc165389215ce4afcac475e
[INFO] sha for GitHub repo daogangtang/learn-rust-lib: 28736be251de818accc165389215ce4afcac475e
[INFO] validating manifest of daogangtang/learn-rust-lib on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of daogangtang/learn-rust-lib on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing daogangtang/learn-rust-lib
[INFO] finished frobbing daogangtang/learn-rust-lib
[INFO] frobbed toml for daogangtang/learn-rust-lib written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/daogangtang/learn-rust-lib/Cargo.toml
[INFO] started frobbing daogangtang/learn-rust-lib
[INFO] finished frobbing daogangtang/learn-rust-lib
[INFO] frobbed toml for daogangtang/learn-rust-lib written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/daogangtang/learn-rust-lib/Cargo.toml
[INFO] crate daogangtang/learn-rust-lib already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing daogangtang/learn-rust-lib against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] ab95743777f6ab1b9b3f0911795629e8b8e930893ebcfc6101e63f34d3a3166f
[INFO] running `"docker" "start" "-a" "ab95743777f6ab1b9b3f0911795629e8b8e930893ebcfc6101e63f34d3a3166f"`
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling learn-rust-lib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`
[INFO] [stderr]  --> src/get_if_addrs.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
[INFO] [stderr]   |                        ^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/get_if_addrs.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             _ => (),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
[INFO] running `"docker" "inspect" "ab95743777f6ab1b9b3f0911795629e8b8e930893ebcfc6101e63f34d3a3166f"`
[INFO] running `"docker" "rm" "-f" "ab95743777f6ab1b9b3f0911795629e8b8e930893ebcfc6101e63f34d3a3166f"`
[INFO] [stdout] ab95743777f6ab1b9b3f0911795629e8b8e930893ebcfc6101e63f34d3a3166f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8246f8d8e3d73607fdc8622b273dcad9349a470353cc2df214f80ccf9b6d9311
[INFO] running `"docker" "start" "-a" "8246f8d8e3d73607fdc8622b273dcad9349a470353cc2df214f80ccf9b6d9311"`
[INFO] [stderr]    Compiling learn-rust-lib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`
[INFO] [stderr]  --> src/get_if_addrs.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
[INFO] [stderr]   |                        ^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/get_if_addrs.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             _ => (),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "8246f8d8e3d73607fdc8622b273dcad9349a470353cc2df214f80ccf9b6d9311"`
[INFO] running `"docker" "rm" "-f" "8246f8d8e3d73607fdc8622b273dcad9349a470353cc2df214f80ccf9b6d9311"`
[INFO] [stdout] 8246f8d8e3d73607fdc8622b273dcad9349a470353cc2df214f80ccf9b6d9311
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 3a235e0e15a853e1737b7524d8cedbf4cfd378666798c4bbdde6e3ea82903b2e
[INFO] running `"docker" "start" "-a" "3a235e0e15a853e1737b7524d8cedbf4cfd378666798c4bbdde6e3ea82903b2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/get_if_addrs-ecbf036385fd7d2f
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rand_choose-e4aecc3daf59e901
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rand_choose_multiple-5828f612b4c859b5
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rand_shuffle-e621ca9f3fda2c6f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3a235e0e15a853e1737b7524d8cedbf4cfd378666798c4bbdde6e3ea82903b2e"`
[INFO] running `"docker" "rm" "-f" "3a235e0e15a853e1737b7524d8cedbf4cfd378666798c4bbdde6e3ea82903b2e"`
[INFO] [stdout] 3a235e0e15a853e1737b7524d8cedbf4cfd378666798c4bbdde6e3ea82903b2e