[INFO] cloning repository povilasb/rust-tuntap [INFO] running `"git" "clone" "--bare" "git://github.com/povilasb/rust-tuntap.git" "work/cache/sources/gh/povilasb/rust-tuntap"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/povilasb/rust-tuntap'... [INFO] running `"git" "clone" "work/cache/sources/gh/povilasb/rust-tuntap" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/povilasb/rust-tuntap"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/povilasb/rust-tuntap'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/povilasb/rust-tuntap" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/povilasb/rust-tuntap"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/povilasb/rust-tuntap'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a458bf0812edde9ddf273189636a0f2cd62630e3 [INFO] sha for GitHub repo povilasb/rust-tuntap: a458bf0812edde9ddf273189636a0f2cd62630e3 [INFO] validating manifest of povilasb/rust-tuntap 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 povilasb/rust-tuntap 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 povilasb/rust-tuntap [INFO] finished frobbing povilasb/rust-tuntap [INFO] frobbed toml for povilasb/rust-tuntap written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/povilasb/rust-tuntap/Cargo.toml [INFO] started frobbing povilasb/rust-tuntap [INFO] finished frobbing povilasb/rust-tuntap [INFO] frobbed toml for povilasb/rust-tuntap written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/povilasb/rust-tuntap/Cargo.toml [INFO] crate povilasb/rust-tuntap 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 povilasb/rust-tuntap against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 568e156b87c392c936b7b27d76ec4789a1a45a17919a45c6f6b74d136b19e33a [INFO] running `"docker" "start" "-a" "568e156b87c392c936b7b27d76ec4789a1a45a17919a45c6f6b74d136b19e33a"` [INFO] [stderr] Compiling nix v0.8.1 [INFO] [stderr] Compiling vpn v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: field is never used: `addresses` [INFO] [stderr] --> src/tuntap.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | addresses: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Tap` [INFO] [stderr] --> src/tuntap.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | Tap = 2, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | io::stdin().read_line(&mut ln); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tuntap.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | create_vnet_device(fid, dev_name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/tuntap.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(while_true)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.63s [INFO] running `"docker" "inspect" "568e156b87c392c936b7b27d76ec4789a1a45a17919a45c6f6b74d136b19e33a"` [INFO] running `"docker" "rm" "-f" "568e156b87c392c936b7b27d76ec4789a1a45a17919a45c6f6b74d136b19e33a"` [INFO] [stdout] 568e156b87c392c936b7b27d76ec4789a1a45a17919a45c6f6b74d136b19e33a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 3ff8fa21c1420db1242370fc52f8abd2b523d6d8e59a9dbfb5754502e7f44f0d [INFO] running `"docker" "start" "-a" "3ff8fa21c1420db1242370fc52f8abd2b523d6d8e59a9dbfb5754502e7f44f0d"` [INFO] [stderr] Compiling vpn v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: field is never used: `addresses` [INFO] [stderr] --> src/tuntap.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | addresses: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Tap` [INFO] [stderr] --> src/tuntap.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | Tap = 2, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | io::stdin().read_line(&mut ln); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tuntap.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | create_vnet_device(fid, dev_name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/tuntap.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(while_true)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `"docker" "inspect" "3ff8fa21c1420db1242370fc52f8abd2b523d6d8e59a9dbfb5754502e7f44f0d"` [INFO] running `"docker" "rm" "-f" "3ff8fa21c1420db1242370fc52f8abd2b523d6d8e59a9dbfb5754502e7f44f0d"` [INFO] [stdout] 3ff8fa21c1420db1242370fc52f8abd2b523d6d8e59a9dbfb5754502e7f44f0d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 9726eaa11403cac66347f0d8e479b970ea9707248dc51bced9f890fda90ef1a0 [INFO] running `"docker" "start" "-a" "9726eaa11403cac66347f0d8e479b970ea9707248dc51bced9f890fda90ef1a0"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/vpn-2f96181d2b6a8513 [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" "9726eaa11403cac66347f0d8e479b970ea9707248dc51bced9f890fda90ef1a0"` [INFO] running `"docker" "rm" "-f" "9726eaa11403cac66347f0d8e479b970ea9707248dc51bced9f890fda90ef1a0"` [INFO] [stdout] 9726eaa11403cac66347f0d8e479b970ea9707248dc51bced9f890fda90ef1a0