[INFO] cloning repository genya0407/fake_dns
[INFO] running `"git" "clone" "--bare" "git://github.com/genya0407/fake_dns.git" "work/cache/sources/gh/genya0407/fake_dns"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/genya0407/fake_dns'...
[INFO] running `"git" "clone" "work/cache/sources/gh/genya0407/fake_dns" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/genya0407/fake_dns"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/genya0407/fake_dns'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/genya0407/fake_dns" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/genya0407/fake_dns"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/genya0407/fake_dns'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b745abbfe989e9f1cb821f1cd903c308a81dedc7
[INFO] sha for GitHub repo genya0407/fake_dns: b745abbfe989e9f1cb821f1cd903c308a81dedc7
[INFO] validating manifest of genya0407/fake_dns on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of genya0407/fake_dns on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing genya0407/fake_dns
[INFO] finished frobbing genya0407/fake_dns
[INFO] frobbed toml for genya0407/fake_dns written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/genya0407/fake_dns/Cargo.toml
[INFO] started frobbing genya0407/fake_dns
[INFO] finished frobbing genya0407/fake_dns
[INFO] frobbed toml for genya0407/fake_dns written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/genya0407/fake_dns/Cargo.toml
[INFO] crate genya0407/fake_dns already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking genya0407/fake_dns against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/genya0407/fake_dns:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ee988c7de7d3d8ef459b60f627bfbbfa2f35ab639da9971849325ba2fb069060
[INFO] running `"docker" "start" "-a" "ee988c7de7d3d8ef459b60f627bfbbfa2f35ab639da9971849325ba2fb069060"`
[INFO] [stderr]     Checking hex-slice v0.1.4
[INFO] [stderr]     Checking string-error v0.1.0
[INFO] [stderr]     Checking pnet_sys v0.21.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking pcap v0.7.0
[INFO] [stderr]     Checking pnet_datalink v0.21.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.21.0
[INFO] [stderr]     Checking pnet_transport v0.21.0
[INFO] [stderr]     Checking pnet v0.21.0
[INFO] [stderr]     Checking fake_dns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `write_u8`
[INFO] [stderr]   --> src/dns/serializer.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn write_u8(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dns/serializer.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             bytes.write_u8(label.len() as u8);
[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/dns/serializer.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         bytes.write_u8(0x00);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_u8`
[INFO] [stderr]   --> src/dns/serializer.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn write_u8(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dns/serializer.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             bytes.write_u8(label.len() as u8);
[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/dns/serializer.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         bytes.write_u8(0x00);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn sniff() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:62
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn init_capture(name: String) -> Result<Capture<Active>, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn sniff() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:62
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn init_capture(name: String) -> Result<Capture<Active>, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "ee988c7de7d3d8ef459b60f627bfbbfa2f35ab639da9971849325ba2fb069060"`
[INFO] running `"docker" "rm" "-f" "ee988c7de7d3d8ef459b60f627bfbbfa2f35ab639da9971849325ba2fb069060"`
[INFO] [stdout] ee988c7de7d3d8ef459b60f627bfbbfa2f35ab639da9971849325ba2fb069060