[INFO] cloning repository someguynamedmatt/snif [INFO] running `"git" "clone" "--bare" "git://github.com/someguynamedmatt/snif.git" "work/cache/sources/gh/someguynamedmatt/snif"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/someguynamedmatt/snif'... [INFO] running `"git" "clone" "work/cache/sources/gh/someguynamedmatt/snif" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/someguynamedmatt/snif"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/someguynamedmatt/snif'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/someguynamedmatt/snif" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/someguynamedmatt/snif"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/someguynamedmatt/snif'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6a1dd44f596270dcf8fd98d7f87e1c5fcdaf7cb9 [INFO] sha for GitHub repo someguynamedmatt/snif: 6a1dd44f596270dcf8fd98d7f87e1c5fcdaf7cb9 [INFO] validating manifest of someguynamedmatt/snif 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 someguynamedmatt/snif 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 someguynamedmatt/snif [INFO] finished frobbing someguynamedmatt/snif [INFO] frobbed toml for someguynamedmatt/snif written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/someguynamedmatt/snif/Cargo.toml [INFO] started frobbing someguynamedmatt/snif [INFO] finished frobbing someguynamedmatt/snif [INFO] frobbed toml for someguynamedmatt/snif written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/someguynamedmatt/snif/Cargo.toml [INFO] crate someguynamedmatt/snif 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] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pnet_transport v0.20.0 [INFO] [stderr] Downloaded pnet v0.20.0 [INFO] [stderr] Downloaded interfaces v0.0.3 [INFO] [stderr] Downloaded pnet_macros_support v0.20.0 [INFO] [stderr] Downloaded pnet_packet v0.20.0 [INFO] [stderr] Downloaded pnet_macros v0.20.0 [INFO] [stderr] Downloaded handlebars v0.25.3 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] testing someguynamedmatt/snif against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/someguynamedmatt/snif:/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] d4a3b5d92e4b544836ad72b5e04e74fe441ff8b5726e11c9febd8b4e2f6d89ef [INFO] running `"docker" "start" "-a" "d4a3b5d92e4b544836ad72b5e04e74fe441ff8b5726e11c9febd8b4e2f6d89ef"` [INFO] [stderr] Compiling lazy_static v0.2.10 [INFO] [stderr] Compiling pnet_base v0.20.0 [INFO] [stderr] Compiling ipnetwork v0.12.7 [INFO] [stderr] Compiling pnet v0.20.0 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling pnet_sys v0.20.0 [INFO] [stderr] Compiling nix v0.8.1 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling clap v2.29.0 [INFO] [stderr] Compiling pnet_macros_support v0.20.0 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling pnet_datalink v0.20.0 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling handlebars v0.25.3 [INFO] [stderr] Compiling interfaces v0.0.3 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.20.0 [INFO] [stderr] Compiling pnet_packet v0.20.0 [INFO] [stderr] Compiling pnet_transport v0.20.0 [INFO] [stderr] Compiling sniff v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Result` [INFO] [stderr] --> src/lib.rs:5:35 [INFO] [stderr] | [INFO] [stderr] 5 | use self::interfaces::{Interface, Result}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:94:13 [INFO] [stderr] | [INFO] [stderr] 94 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:103:17 [INFO] [stderr] | [INFO] [stderr] 103 | io::stdout().write("[OK]: Device is now on\n".as_bytes()); [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/lib.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | io::stdout().write("[OK]: Device is now off\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `SubCommand` [INFO] [stderr] --> src/main.rs:13:22 [INFO] [stderr] | [INFO] [stderr] 13 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet_datalink::Channel::Ethernet` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use pnet_datalink::Channel::Ethernet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::ethernet::EthernetPacket` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use pnet::packet::ethernet::EthernetPacket; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Result` [INFO] [stderr] --> src/lib.rs:5:35 [INFO] [stderr] | [INFO] [stderr] 5 | use self::interfaces::{Interface, Result}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:94:13 [INFO] [stderr] | [INFO] [stderr] 94 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_packet` [INFO] [stderr] --> src/lib.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn handle_packet(interface_name: &str, ethernet: &EthernetPacket) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_arp_packet` [INFO] [stderr] --> src/lib.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | fn handle_arp_packet(interface_name: &str, ethernet: &EthernetPacket) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_ipv4_packet` [INFO] [stderr] --> src/lib.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | fn handle_ipv4_packet(interface_name: &str, ethernet: &EthernetPacket) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_tcp_packet` [INFO] [stderr] --> src/lib.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | fn handle_tcp_packet(interface_name: &str, source: IpAddr, destination: IpAddr, packet: &[u8]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_transport_protocol` [INFO] [stderr] --> src/lib.rs:67:1 [INFO] [stderr] | [INFO] [stderr] 67 | / fn handle_transport_protocol(interface_name: &str, source: IpAddr, destination: IpAddr, [INFO] [stderr] 68 | | protocol: IpNextHeaderProtocol, packet: &[u8]) { [INFO] [stderr] 69 | | match protocol { [INFO] [stderr] 70 | | IpNextHeaderProtocols::Tcp => { [INFO] [stderr] ... | [INFO] [stderr] 77 | | } [INFO] [stderr] 78 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_fn` [INFO] [stderr] --> src/lib.rs:115:1 [INFO] [stderr] | [INFO] [stderr] 115 | pub fn test_fn() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | io::stdout().write("\n======== Devices ========\n".as_bytes()); [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/main.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | io::stdout().write("=========================\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | io::stdout().write("For more detailed output try: `sniff -d `\n\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | io::stdout().write("\n=========================\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | io::stdout().write("IP:\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:62:9 [INFO] [stderr] | [INFO] [stderr] 62 | io::stdout().write("-------------------------\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | io::stdout().write("Mac Addr:\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | io::stdout().write(mac_address.to_string().as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | io::stdout().write("\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | io::stdout().write("=========================\n\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/lib.rs:103:17 [INFO] [stderr] | [INFO] [stderr] 103 | io::stdout().write("[OK]: Device is now on\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/lib.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | io::stdout().write("[OK]: Device is now off\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 46s [INFO] running `"docker" "inspect" "d4a3b5d92e4b544836ad72b5e04e74fe441ff8b5726e11c9febd8b4e2f6d89ef"` [INFO] running `"docker" "rm" "-f" "d4a3b5d92e4b544836ad72b5e04e74fe441ff8b5726e11c9febd8b4e2f6d89ef"` [INFO] [stdout] d4a3b5d92e4b544836ad72b5e04e74fe441ff8b5726e11c9febd8b4e2f6d89ef [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/someguynamedmatt/snif:/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] 349a176f5f95855f8acef90b55f190374eb3547d9f2f66d6eef66c481830b710 [INFO] running `"docker" "start" "-a" "349a176f5f95855f8acef90b55f190374eb3547d9f2f66d6eef66c481830b710"` [INFO] [stderr] Compiling sniff v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Result` [INFO] [stderr] --> src/lib.rs:5:35 [INFO] [stderr] | [INFO] [stderr] 5 | use self::interfaces::{Interface, Result}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:94:13 [INFO] [stderr] | [INFO] [stderr] 94 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:103:17 [INFO] [stderr] | [INFO] [stderr] 103 | io::stdout().write("[OK]: Device is now on\n".as_bytes()); [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/lib.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | io::stdout().write("[OK]: Device is now off\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand` [INFO] [stderr] --> src/main.rs:13:12 [INFO] [stderr] | [INFO] [stderr] 13 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^ ^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ipnetwork::IpNetwork` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use ipnetwork::IpNetwork; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet_datalink::Channel::Ethernet` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use pnet_datalink::Channel::Ethernet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::ethernet::EthernetPacket` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use pnet::packet::ethernet::EthernetPacket; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Result` [INFO] [stderr] --> src/lib.rs:5:35 [INFO] [stderr] | [INFO] [stderr] 5 | use self::interfaces::{Interface, Result}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `lib::*` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use lib::*; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:94:13 [INFO] [stderr] | [INFO] [stderr] 94 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_packet` [INFO] [stderr] --> src/lib.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn handle_packet(interface_name: &str, ethernet: &EthernetPacket) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_arp_packet` [INFO] [stderr] --> src/lib.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | fn handle_arp_packet(interface_name: &str, ethernet: &EthernetPacket) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_ipv4_packet` [INFO] [stderr] --> src/lib.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | fn handle_ipv4_packet(interface_name: &str, ethernet: &EthernetPacket) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_tcp_packet` [INFO] [stderr] --> src/lib.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | fn handle_tcp_packet(interface_name: &str, source: IpAddr, destination: IpAddr, packet: &[u8]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `handle_transport_protocol` [INFO] [stderr] --> src/lib.rs:67:1 [INFO] [stderr] | [INFO] [stderr] 67 | / fn handle_transport_protocol(interface_name: &str, source: IpAddr, destination: IpAddr, [INFO] [stderr] 68 | | protocol: IpNextHeaderProtocol, packet: &[u8]) { [INFO] [stderr] 69 | | match protocol { [INFO] [stderr] 70 | | IpNextHeaderProtocols::Tcp => { [INFO] [stderr] ... | [INFO] [stderr] 77 | | } [INFO] [stderr] 78 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `change_interface_state` [INFO] [stderr] --> src/lib.rs:80:1 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn change_interface_state(interface_name: &str, state_to: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_fn` [INFO] [stderr] --> src/lib.rs:115:1 [INFO] [stderr] | [INFO] [stderr] 115 | pub fn test_fn() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:103:17 [INFO] [stderr] | [INFO] [stderr] 103 | io::stdout().write("[OK]: Device is now on\n".as_bytes()); [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/lib.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | io::stdout().write("[OK]: Device is now off\n".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `"docker" "inspect" "349a176f5f95855f8acef90b55f190374eb3547d9f2f66d6eef66c481830b710"` [INFO] running `"docker" "rm" "-f" "349a176f5f95855f8acef90b55f190374eb3547d9f2f66d6eef66c481830b710"` [INFO] [stdout] 349a176f5f95855f8acef90b55f190374eb3547d9f2f66d6eef66c481830b710 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/someguynamedmatt/snif:/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] 0d3e34431937b3957d023ea579d1a644e724e136f1c5ecbfcbfe422b751fbc67 [INFO] running `"docker" "start" "-a" "0d3e34431937b3957d023ea579d1a644e724e136f1c5ecbfcbfe422b751fbc67"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/sniff-04c0685d9565b719 [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/sniff-bb0e75b0ce6d01ad [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] Doc-tests sniff [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" "0d3e34431937b3957d023ea579d1a644e724e136f1c5ecbfcbfe422b751fbc67"` [INFO] running `"docker" "rm" "-f" "0d3e34431937b3957d023ea579d1a644e724e136f1c5ecbfcbfe422b751fbc67"` [INFO] [stdout] 0d3e34431937b3957d023ea579d1a644e724e136f1c5ecbfcbfe422b751fbc67