Dec 17 17:36:15.973 INFO checking povilasb/rust-tuntap against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 17 17:36:15.973 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"` Dec 17 17:36:16.119 INFO [stdout] caec31b2bc61736a75dd173dcd2f2c0e058993df4182d5c17abdbee96b38fbd5 Dec 17 17:36:16.122 INFO running `"docker" "start" "-a" "caec31b2bc61736a75dd173dcd2f2c0e058993df4182d5c17abdbee96b38fbd5"` Dec 17 17:36:16.767 INFO [stderr] Checking nix v0.8.1 Dec 17 17:36:20.038 INFO [stderr] Checking vpn v0.1.0 (/opt/crater/workdir) Dec 17 17:36:20.242 INFO [stderr] warning: field is never used: `addresses` Dec 17 17:36:20.242 INFO [stderr] --> src/tuntap.rs:14:5 Dec 17 17:36:20.242 INFO [stderr] | Dec 17 17:36:20.242 INFO [stderr] 14 | addresses: String, Dec 17 17:36:20.242 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Dec 17 17:36:20.242 INFO [stderr] | Dec 17 17:36:20.242 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 17:36:20.242 INFO [stderr] Dec 17 17:36:20.242 INFO [stderr] warning: variant is never constructed: `Tap` Dec 17 17:36:20.242 INFO [stderr] --> src/tuntap.rs:79:5 Dec 17 17:36:20.242 INFO [stderr] | Dec 17 17:36:20.242 INFO [stderr] 79 | Tap = 2, Dec 17 17:36:20.242 INFO [stderr] | ^^^^^^^ Dec 17 17:36:20.242 INFO [stderr] Dec 17 17:36:20.248 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 17:36:20.248 INFO [stderr] --> src/tuntap.rs:29:9 Dec 17 17:36:20.248 INFO [stderr] | Dec 17 17:36:20.248 INFO [stderr] 29 | create_vnet_device(fid, dev_name); Dec 17 17:36:20.248 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 17:36:20.248 INFO [stderr] | Dec 17 17:36:20.248 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 17 17:36:20.248 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 17:36:20.248 INFO [stderr] Dec 17 17:36:20.248 INFO [stderr] warning: denote infinite loops with `loop { ... }` Dec 17 17:36:20.248 INFO [stderr] --> src/tuntap.rs:43:9 Dec 17 17:36:20.248 INFO [stderr] | Dec 17 17:36:20.248 INFO [stderr] 43 | while true { Dec 17 17:36:20.248 INFO [stderr] | ^^^^^^^^^^ help: use `loop` Dec 17 17:36:20.248 INFO [stderr] | Dec 17 17:36:20.248 INFO [stderr] = note: #[warn(while_true)] on by default Dec 17 17:36:20.248 INFO [stderr] Dec 17 17:36:20.248 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 17:36:20.248 INFO [stderr] --> src/main.rs:13:5 Dec 17 17:36:20.248 INFO [stderr] | Dec 17 17:36:20.248 INFO [stderr] 13 | io::stdin().read_line(&mut ln); Dec 17 17:36:20.248 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 17:36:20.248 INFO [stderr] | Dec 17 17:36:20.248 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 17:36:20.248 INFO [stderr] Dec 17 17:36:20.286 INFO [stderr] warning: field is never used: `addresses` Dec 17 17:36:20.286 INFO [stderr] --> src/tuntap.rs:14:5 Dec 17 17:36:20.286 INFO [stderr] | Dec 17 17:36:20.286 INFO [stderr] 14 | addresses: String, Dec 17 17:36:20.286 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Dec 17 17:36:20.286 INFO [stderr] | Dec 17 17:36:20.286 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 17:36:20.286 INFO [stderr] Dec 17 17:36:20.286 INFO [stderr] warning: variant is never constructed: `Tap` Dec 17 17:36:20.286 INFO [stderr] --> src/tuntap.rs:79:5 Dec 17 17:36:20.286 INFO [stderr] | Dec 17 17:36:20.286 INFO [stderr] 79 | Tap = 2, Dec 17 17:36:20.286 INFO [stderr] | ^^^^^^^ Dec 17 17:36:20.286 INFO [stderr] Dec 17 17:36:20.286 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 17:36:20.286 INFO [stderr] --> src/tuntap.rs:29:9 Dec 17 17:36:20.286 INFO [stderr] | Dec 17 17:36:20.286 INFO [stderr] 29 | create_vnet_device(fid, dev_name); Dec 17 17:36:20.286 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 17:36:20.286 INFO [stderr] | Dec 17 17:36:20.286 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 17 17:36:20.288 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 17:36:20.288 INFO [stderr] Dec 17 17:36:20.288 INFO [stderr] warning: denote infinite loops with `loop { ... }` Dec 17 17:36:20.288 INFO [stderr] --> src/tuntap.rs:43:9 Dec 17 17:36:20.288 INFO [stderr] | Dec 17 17:36:20.288 INFO [stderr] 43 | while true { Dec 17 17:36:20.288 INFO [stderr] | ^^^^^^^^^^ help: use `loop` Dec 17 17:36:20.288 INFO [stderr] | Dec 17 17:36:20.288 INFO [stderr] = note: #[warn(while_true)] on by default Dec 17 17:36:20.288 INFO [stderr] Dec 17 17:36:20.288 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 17:36:20.288 INFO [stderr] --> src/main.rs:13:5 Dec 17 17:36:20.288 INFO [stderr] | Dec 17 17:36:20.288 INFO [stderr] 13 | io::stdin().read_line(&mut ln); Dec 17 17:36:20.288 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 17:36:20.288 INFO [stderr] | Dec 17 17:36:20.288 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 17:36:20.288 INFO [stderr] Dec 17 17:36:20.304 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.56s Dec 17 17:36:20.626 INFO running `"docker" "inspect" "caec31b2bc61736a75dd173dcd2f2c0e058993df4182d5c17abdbee96b38fbd5"` Dec 17 17:36:20.735 INFO running `"docker" "rm" "-f" "caec31b2bc61736a75dd173dcd2f2c0e058993df4182d5c17abdbee96b38fbd5"` Dec 17 17:36:20.861 INFO [stdout] caec31b2bc61736a75dd173dcd2f2c0e058993df4182d5c17abdbee96b38fbd5