Dec 17 17:36:16.962 INFO checking povilasb/rust-tuntap against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:36:16.962 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/povilasb/rust-tuntap:/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 17 17:36:17.140 INFO [stdout] 18c87f12a891ee7fc7415281afa7cd9640dd32a077c1c4481b0471f754db0aeb
Dec 17 17:36:17.146 INFO running `"docker" "start" "-a" "18c87f12a891ee7fc7415281afa7cd9640dd32a077c1c4481b0471f754db0aeb"`
Dec 17 17:36:18.052 INFO [stderr]     Checking nix v0.8.1
Dec 17 17:36:21.353 INFO [stderr]     Checking vpn v0.1.0 (/opt/crater/workdir)
Dec 17 17:36:21.612 INFO [stderr] warning: field is never used: `addresses`
Dec 17 17:36:21.612 INFO [stderr]   --> src/tuntap.rs:14:5
Dec 17 17:36:21.612 INFO [stderr]    |
Dec 17 17:36:21.612 INFO [stderr] 14 |     addresses: String,
Dec 17 17:36:21.612 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 17:36:21.612 INFO [stderr]    |
Dec 17 17:36:21.612 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:36:21.612 INFO [stderr] 
Dec 17 17:36:21.612 INFO [stderr] warning: variant is never constructed: `Tap`
Dec 17 17:36:21.612 INFO [stderr]   --> src/tuntap.rs:79:5
Dec 17 17:36:21.612 INFO [stderr]    |
Dec 17 17:36:21.612 INFO [stderr] 79 |     Tap = 2,
Dec 17 17:36:21.612 INFO [stderr]    |     ^^^^^^^
Dec 17 17:36:21.612 INFO [stderr] 
Dec 17 17:36:21.612 INFO [stderr] warning: field is never used: `addresses`
Dec 17 17:36:21.612 INFO [stderr]   --> src/tuntap.rs:14:5
Dec 17 17:36:21.612 INFO [stderr]    |
Dec 17 17:36:21.612 INFO [stderr] 14 |     addresses: String,
Dec 17 17:36:21.612 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 17 17:36:21.612 INFO [stderr]    |
Dec 17 17:36:21.612 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:36:21.612 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 17:36:21.612 INFO [stderr]   --> src/tuntap.rs:29:9
Dec 17 17:36:21.612 INFO [stderr] 
Dec 17 17:36:21.612 INFO [stderr]    |
Dec 17 17:36:21.612 INFO [stderr] 29 |         create_vnet_device(fid, dev_name);
Dec 17 17:36:21.612 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:36:21.612 INFO [stderr]    |
Dec 17 17:36:21.612 INFO [stderr] warning: variant is never constructed: `Tap`
Dec 17 17:36:21.612 INFO [stderr]   --> src/tuntap.rs:79:5
Dec 17 17:36:21.612 INFO [stderr]    |
Dec 17 17:36:21.612 INFO [stderr] 79 |     Tap = 2,
Dec 17 17:36:21.612 INFO [stderr]    |     ^^^^^^^
Dec 17 17:36:21.612 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 17:36:21.612 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 17:36:21.612 INFO [stderr] 
Dec 17 17:36:21.613 INFO [stderr] 
Dec 17 17:36:21.613 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 17 17:36:21.613 INFO [stderr]   --> src/tuntap.rs:43:9
Dec 17 17:36:21.613 INFO [stderr]    |
Dec 17 17:36:21.613 INFO [stderr] 43 |         while true {
Dec 17 17:36:21.613 INFO [stderr]    |         ^^^^^^^^^^ help: use `loop`
Dec 17 17:36:21.613 INFO [stderr]    |
Dec 17 17:36:21.616 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 17 17:36:21.616 INFO [stderr] 
Dec 17 17:36:21.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 17:36:21.616 INFO [stderr]   --> src/tuntap.rs:29:9
Dec 17 17:36:21.616 INFO [stderr]    |
Dec 17 17:36:21.616 INFO [stderr] 29 |         create_vnet_device(fid, dev_name);
Dec 17 17:36:21.616 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:36:21.616 INFO [stderr]    |
Dec 17 17:36:21.616 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 17:36:21.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 17:36:21.616 INFO [stderr] 
Dec 17 17:36:21.616 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 17 17:36:21.616 INFO [stderr]   --> src/tuntap.rs:43:9
Dec 17 17:36:21.616 INFO [stderr]    |
Dec 17 17:36:21.616 INFO [stderr] 43 |         while true {
Dec 17 17:36:21.616 INFO [stderr]    |         ^^^^^^^^^^ help: use `loop`
Dec 17 17:36:21.616 INFO [stderr]    |
Dec 17 17:36:21.616 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 17 17:36:21.616 INFO [stderr] 
Dec 17 17:36:21.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 17:36:21.616 INFO [stderr]   --> src/main.rs:13:5
Dec 17 17:36:21.616 INFO [stderr]    |
Dec 17 17:36:21.616 INFO [stderr] 13 |     io::stdin().read_line(&mut ln);
Dec 17 17:36:21.616 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:36:21.616 INFO [stderr]    |
Dec 17 17:36:21.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 17:36:21.616 INFO [stderr] 
Dec 17 17:36:21.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 17:36:21.616 INFO [stderr]   --> src/main.rs:13:5
Dec 17 17:36:21.616 INFO [stderr]    |
Dec 17 17:36:21.616 INFO [stderr] 13 |     io::stdin().read_line(&mut ln);
Dec 17 17:36:21.616 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:36:21.616 INFO [stderr]    |
Dec 17 17:36:21.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 17:36:21.616 INFO [stderr] 
Dec 17 17:36:21.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
Dec 17 17:36:21.906 INFO running `"docker" "inspect" "18c87f12a891ee7fc7415281afa7cd9640dd32a077c1c4481b0471f754db0aeb"`
Dec 17 17:36:22.002 INFO running `"docker" "rm" "-f" "18c87f12a891ee7fc7415281afa7cd9640dd32a077c1c4481b0471f754db0aeb"`
Dec 17 17:36:22.079 INFO [stdout] 18c87f12a891ee7fc7415281afa7cd9640dd32a077c1c4481b0471f754db0aeb