Dec 04 09:47:04.117 INFO checking sourcepirate/covert_tcp against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 09:47:04.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 09:47:04.545 INFO [stdout] 31651a8f0cf2ac87199e2d0dccbcb8f15461380127ce37ec95235cdb2791d736
Dec 04 09:47:04.553 INFO running `"docker" "start" "-a" "31651a8f0cf2ac87199e2d0dccbcb8f15461380127ce37ec95235cdb2791d736"`
Dec 04 09:47:05.529 INFO [stderr] usermod: no changes
Dec 04 09:47:05.699 INFO [stderr]    Compiling rustc-serialize v0.3.24
Dec 04 09:47:05.699 INFO [stderr]    Compiling bitflags v0.5.0
Dec 04 09:47:05.700 INFO [stderr]    Compiling ucd-util v0.1.2
Dec 04 09:47:05.704 INFO [stderr]    Compiling utf8-ranges v1.0.2
Dec 04 09:47:05.709 INFO [stderr]     Checking pnet_base v0.21.0
Dec 04 09:47:05.710 INFO [stderr]     Checking ipnetwork v0.12.8
Dec 04 09:47:05.710 INFO [stderr]    Compiling pnet v0.21.0
Dec 04 09:47:05.713 INFO [stderr]     Checking pnet_sys v0.21.0
Dec 04 09:47:06.822 INFO [stderr]    Compiling aho-corasick v0.6.9
Dec 04 09:47:07.181 INFO [stderr]     Checking pnet_macros_support v0.21.0
Dec 04 09:47:08.037 INFO [stderr]     Checking pnet_datalink v0.21.0
Dec 04 09:47:08.059 INFO [stderr]     Checking docopt v1.0.2
Dec 04 09:47:08.100 INFO [stderr]    Compiling regex-syntax v0.5.6
Dec 04 09:47:17.543 INFO [stderr]    Compiling syntex_pos v0.42.0
Dec 04 09:47:20.631 INFO [stderr]    Compiling syntex_errors v0.42.0
Dec 04 09:47:22.600 INFO [stderr]    Compiling regex v0.2.11
Dec 04 09:47:25.106 INFO [stderr]    Compiling syntex_syntax v0.42.0
Dec 04 09:48:06.833 INFO [stderr]    Compiling syntex v0.42.2
Dec 04 09:48:07.975 INFO [stderr]    Compiling pnet_macros v0.21.0
Dec 04 09:48:10.706 INFO [stderr]    Compiling pnet_packet v0.21.0
Dec 04 09:48:22.711 INFO [stderr]     Checking pnet_transport v0.21.0
Dec 04 09:48:23.354 INFO [stderr]     Checking covert_tcp v0.1.0 (/source)
Dec 04 09:48:24.185 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 09:48:24.185 INFO [stderr]   --> src/packet.rs:66:9
Dec 04 09:48:24.185 INFO [stderr]    |
Dec 04 09:48:24.185 INFO [stderr] 66 |         /// Building an IPV4 packet.
Dec 04 09:48:24.185 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr]    |
Dec 04 09:48:24.185 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.185 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 09:48:24.185 INFO [stderr]   --> src/packet.rs:78:9
Dec 04 09:48:24.185 INFO [stderr]    |
Dec 04 09:48:24.185 INFO [stderr] 78 |         /// Building an TCP packet
Dec 04 09:48:24.185 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.185 INFO [stderr] warning: unused import: `EtherTypes`
Dec 04 09:48:24.185 INFO [stderr]  --> src/sniffer.rs:3:30
Dec 04 09:48:24.185 INFO [stderr]   |
Dec 04 09:48:24.185 INFO [stderr] 3 | use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket};
Dec 04 09:48:24.185 INFO [stderr]   |                              ^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr]   |
Dec 04 09:48:24.185 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.185 INFO [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Packet`
Dec 04 09:48:24.185 INFO [stderr]  --> src/sniffer.rs:4:5
Dec 04 09:48:24.185 INFO [stderr]   |
Dec 04 09:48:24.185 INFO [stderr] 4 | use pnet::packet::icmpv6::Icmpv6Packet;
Dec 04 09:48:24.185 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.185 INFO [stderr] warning: unused imports: `IpNextHeaderProtocol`, `IpNextHeaderProtocols`
Dec 04 09:48:24.185 INFO [stderr]  --> src/sniffer.rs:5:24
Dec 04 09:48:24.185 INFO [stderr]   |
Dec 04 09:48:24.185 INFO [stderr] 5 | use pnet::packet::ip::{IpNextHeaderProtocol, IpNextHeaderProtocols};
Dec 04 09:48:24.185 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.185 INFO [stderr] warning: unused import: `pnet::packet::ipv6::Ipv6Packet`
Dec 04 09:48:24.185 INFO [stderr]  --> src/sniffer.rs:7:5
Dec 04 09:48:24.185 INFO [stderr]   |
Dec 04 09:48:24.185 INFO [stderr] 7 | use pnet::packet::ipv6::Ipv6Packet;
Dec 04 09:48:24.185 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.185 INFO [stderr] warning: unused import: `pnet::packet::tcp::TcpPacket`
Dec 04 09:48:24.185 INFO [stderr]  --> src/sniffer.rs:8:5
Dec 04 09:48:24.185 INFO [stderr]   |
Dec 04 09:48:24.185 INFO [stderr] 8 | use pnet::packet::tcp::TcpPacket;
Dec 04 09:48:24.185 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.185 INFO [stderr] warning: unused import: `pnet::util::MacAddr`
Dec 04 09:48:24.185 INFO [stderr]   --> src/sniffer.rs:10:5
Dec 04 09:48:24.185 INFO [stderr]    |
Dec 04 09:48:24.185 INFO [stderr] 10 | use pnet::util::MacAddr;
Dec 04 09:48:24.185 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.185 INFO [stderr] warning: unused import: `std::io::Write`
Dec 04 09:48:24.185 INFO [stderr]   --> src/sniffer.rs:12:5
Dec 04 09:48:24.185 INFO [stderr]    |
Dec 04 09:48:24.185 INFO [stderr] 12 | use std::io::Write;
Dec 04 09:48:24.185 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.185 INFO [stderr] warning: unused import: `std::net::IpAddr`
Dec 04 09:48:24.185 INFO [stderr]   --> src/sniffer.rs:13:5
Dec 04 09:48:24.185 INFO [stderr]    |
Dec 04 09:48:24.185 INFO [stderr] 13 | use std::net::IpAddr;
Dec 04 09:48:24.185 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 09:48:24.185 INFO [stderr] 
Dec 04 09:48:24.215 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 09:48:24.219 INFO [stderr]   --> src/packet.rs:66:9
Dec 04 09:48:24.219 INFO [stderr]    |
Dec 04 09:48:24.219 INFO [stderr] 66 |         /// Building an IPV4 packet.
Dec 04 09:48:24.219 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.219 INFO [stderr]    |
Dec 04 09:48:24.219 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 04 09:48:24.219 INFO [stderr] 
Dec 04 09:48:24.219 INFO [stderr] warning: doc comment not used by rustdoc
Dec 04 09:48:24.219 INFO [stderr]   --> src/packet.rs:78:9
Dec 04 09:48:24.219 INFO [stderr]    |
Dec 04 09:48:24.219 INFO [stderr] 78 |         /// Building an TCP packet
Dec 04 09:48:24.219 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.219 INFO [stderr] 
Dec 04 09:48:24.219 INFO [stderr] warning: unused import: `EtherTypes`
Dec 04 09:48:24.219 INFO [stderr]  --> src/sniffer.rs:3:30
Dec 04 09:48:24.219 INFO [stderr]   |
Dec 04 09:48:24.219 INFO [stderr] 3 | use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket};
Dec 04 09:48:24.219 INFO [stderr]   |                              ^^^^^^^^^^
Dec 04 09:48:24.219 INFO [stderr]   |
Dec 04 09:48:24.219 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 09:48:24.219 INFO [stderr] 
Dec 04 09:48:24.219 INFO [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Packet`
Dec 04 09:48:24.219 INFO [stderr]  --> src/sniffer.rs:4:5
Dec 04 09:48:24.219 INFO [stderr]   |
Dec 04 09:48:24.219 INFO [stderr] 4 | use pnet::packet::icmpv6::Icmpv6Packet;
Dec 04 09:48:24.219 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.219 INFO [stderr] 
Dec 04 09:48:24.219 INFO [stderr] warning: unused imports: `IpNextHeaderProtocol`, `IpNextHeaderProtocols`
Dec 04 09:48:24.219 INFO [stderr]  --> src/sniffer.rs:5:24
Dec 04 09:48:24.219 INFO [stderr]   |
Dec 04 09:48:24.220 INFO [stderr] 5 | use pnet::packet::ip::{IpNextHeaderProtocol, IpNextHeaderProtocols};
Dec 04 09:48:24.220 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.220 INFO [stderr] 
Dec 04 09:48:24.220 INFO [stderr] warning: unused import: `pnet::packet::ipv6::Ipv6Packet`
Dec 04 09:48:24.220 INFO [stderr]  --> src/sniffer.rs:7:5
Dec 04 09:48:24.220 INFO [stderr]   |
Dec 04 09:48:24.220 INFO [stderr] 7 | use pnet::packet::ipv6::Ipv6Packet;
Dec 04 09:48:24.220 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.220 INFO [stderr] 
Dec 04 09:48:24.220 INFO [stderr] warning: unused import: `pnet::packet::tcp::TcpPacket`
Dec 04 09:48:24.220 INFO [stderr]  --> src/sniffer.rs:8:5
Dec 04 09:48:24.220 INFO [stderr]   |
Dec 04 09:48:24.221 INFO [stderr] 8 | use pnet::packet::tcp::TcpPacket;
Dec 04 09:48:24.221 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.223 INFO [stderr] 
Dec 04 09:48:24.223 INFO [stderr] warning: unused import: `pnet::util::MacAddr`
Dec 04 09:48:24.223 INFO [stderr]   --> src/sniffer.rs:10:5
Dec 04 09:48:24.223 INFO [stderr]    |
Dec 04 09:48:24.223 INFO [stderr] 10 | use pnet::util::MacAddr;
Dec 04 09:48:24.223 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.223 INFO [stderr] 
Dec 04 09:48:24.223 INFO [stderr] warning: unused import: `std::io::Write`
Dec 04 09:48:24.223 INFO [stderr]   --> src/sniffer.rs:12:5
Dec 04 09:48:24.223 INFO [stderr]    |
Dec 04 09:48:24.223 INFO [stderr] 12 | use std::io::Write;
Dec 04 09:48:24.223 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 09:48:24.223 INFO [stderr] 
Dec 04 09:48:24.223 INFO [stderr] warning: unused import: `std::net::IpAddr`
Dec 04 09:48:24.223 INFO [stderr]   --> src/sniffer.rs:13:5
Dec 04 09:48:24.223 INFO [stderr]    |
Dec 04 09:48:24.223 INFO [stderr] 13 | use std::net::IpAddr;
Dec 04 09:48:24.223 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 09:48:24.223 INFO [stderr] 
Dec 04 09:48:24.468 INFO [stderr] warning: unreachable expression
Dec 04 09:48:24.468 INFO [stderr]   --> src/sniffer.rs:73:9
Dec 04 09:48:24.468 INFO [stderr]    |
Dec 04 09:48:24.468 INFO [stderr] 73 |         Ok(())
Dec 04 09:48:24.468 INFO [stderr]    |         ^^^^^^
Dec 04 09:48:24.468 INFO [stderr]    |
Dec 04 09:48:24.468 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 04 09:48:24.468 INFO [stderr] 
Dec 04 09:48:24.480 INFO [stderr] warning: unused variable: `e`
Dec 04 09:48:24.480 INFO [stderr]   --> src/sniffer.rs:59:17
Dec 04 09:48:24.480 INFO [stderr]    |
Dec 04 09:48:24.480 INFO [stderr] 59 |             Err(e) => return Err(ReciverError::PacketError),
Dec 04 09:48:24.480 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 04 09:48:24.480 INFO [stderr]    |
Dec 04 09:48:24.480 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 09:48:24.480 INFO [stderr] 
Dec 04 09:48:24.480 INFO [stderr] warning: unused variable: `fake_ethernet_frame`
Dec 04 09:48:24.480 INFO [stderr]   --> src/sniffer.rs:64:21
Dec 04 09:48:24.480 INFO [stderr]    |
Dec 04 09:48:24.480 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Dec 04 09:48:24.480 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: consider using `_fake_ethernet_frame` instead
Dec 04 09:48:24.480 INFO [stderr] 
Dec 04 09:48:24.561 INFO [stderr] warning: unreachable expression
Dec 04 09:48:24.561 INFO [stderr]   --> src/sniffer.rs:73:9
Dec 04 09:48:24.561 INFO [stderr]    |
Dec 04 09:48:24.561 INFO [stderr] 73 |         Ok(())
Dec 04 09:48:24.561 INFO [stderr]    |         ^^^^^^
Dec 04 09:48:24.561 INFO [stderr]    |
Dec 04 09:48:24.561 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 04 09:48:24.561 INFO [stderr] 
Dec 04 09:48:24.575 INFO [stderr] warning: variable does not need to be mutable
Dec 04 09:48:24.575 INFO [stderr]   --> src/main.rs:61:13
Dec 04 09:48:24.575 INFO [stderr]    |
Dec 04 09:48:24.575 INFO [stderr] 61 |         let mut relative_path: PathBuf;
Dec 04 09:48:24.575 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 04 09:48:24.575 INFO [stderr]    |             |
Dec 04 09:48:24.575 INFO [stderr]    |             help: remove this `mut`
Dec 04 09:48:24.575 INFO [stderr]    |
Dec 04 09:48:24.576 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 09:48:24.576 INFO [stderr] 
Dec 04 09:48:24.576 INFO [stderr] warning: variable does not need to be mutable
Dec 04 09:48:24.576 INFO [stderr]   --> src/main.rs:67:13
Dec 04 09:48:24.576 INFO [stderr]    |
Dec 04 09:48:24.576 INFO [stderr] 67 |         let mut file = File::open(relative_path).unwrap();
Dec 04 09:48:24.576 INFO [stderr]    |             ----^^^^
Dec 04 09:48:24.576 INFO [stderr]    |             |
Dec 04 09:48:24.576 INFO [stderr]    |             help: remove this `mut`
Dec 04 09:48:24.576 INFO [stderr] 
Dec 04 09:48:24.580 INFO [stderr] warning: unused variable: `e`
Dec 04 09:48:24.580 INFO [stderr]   --> src/sniffer.rs:59:17
Dec 04 09:48:24.580 INFO [stderr]    |
Dec 04 09:48:24.580 INFO [stderr] 59 |             Err(e) => return Err(ReciverError::PacketError),
Dec 04 09:48:24.580 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 04 09:48:24.580 INFO [stderr]    |
Dec 04 09:48:24.580 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 09:48:24.580 INFO [stderr] 
Dec 04 09:48:24.580 INFO [stderr] warning: unused variable: `fake_ethernet_frame`
Dec 04 09:48:24.580 INFO [stderr]   --> src/sniffer.rs:64:21
Dec 04 09:48:24.580 INFO [stderr]    |
Dec 04 09:48:24.580 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Dec 04 09:48:24.580 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: consider using `_fake_ethernet_frame` instead
Dec 04 09:48:24.580 INFO [stderr] 
Dec 04 09:48:24.610 INFO [stderr] warning: variable does not need to be mutable
Dec 04 09:48:24.610 INFO [stderr]   --> src/sniffer.rs:64:17
Dec 04 09:48:24.610 INFO [stderr]    |
Dec 04 09:48:24.610 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Dec 04 09:48:24.610 INFO [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.610 INFO [stderr]    |                 |
Dec 04 09:48:24.610 INFO [stderr]    |                 help: remove this `mut`
Dec 04 09:48:24.610 INFO [stderr] 
Dec 04 09:48:24.615 INFO [stderr] warning: field is never used: `rx`
Dec 04 09:48:24.615 INFO [stderr]   --> src/packet.rs:17:5
Dec 04 09:48:24.615 INFO [stderr]    |
Dec 04 09:48:24.615 INFO [stderr] 17 |     rx: TransportReceiver,
Dec 04 09:48:24.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.615 INFO [stderr]    |
Dec 04 09:48:24.615 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 09:48:24.615 INFO [stderr] 
Dec 04 09:48:24.615 INFO [stderr] warning: method is never used: `packets`
Dec 04 09:48:24.615 INFO [stderr]   --> src/packet.rs:36:5
Dec 04 09:48:24.615 INFO [stderr]    |
Dec 04 09:48:24.615 INFO [stderr] 36 |     pub fn packets(&mut self) -> Ipv4TransportChannelIterator {
Dec 04 09:48:24.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.615 INFO [stderr] 
Dec 04 09:48:24.615 INFO [stderr] warning: method is never used: `recv`
Dec 04 09:48:24.615 INFO [stderr]   --> src/packet.rs:97:5
Dec 04 09:48:24.615 INFO [stderr]    |
Dec 04 09:48:24.615 INFO [stderr] 97 |     pub fn recv(&mut self) -> () {
Dec 04 09:48:24.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.615 INFO [stderr] 
Dec 04 09:48:24.623 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:48:24.623 INFO [stderr]   --> src/main.rs:97:9
Dec 04 09:48:24.623 INFO [stderr]    |
Dec 04 09:48:24.623 INFO [stderr] 97 |         sniff.recv();
Dec 04 09:48:24.623 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 04 09:48:24.623 INFO [stderr]    |
Dec 04 09:48:24.623 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 09:48:24.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:48:24.623 INFO [stderr] 
Dec 04 09:48:24.735 INFO [stderr] warning: variable does not need to be mutable
Dec 04 09:48:24.735 INFO [stderr]   --> src/main.rs:61:13
Dec 04 09:48:24.735 INFO [stderr]    |
Dec 04 09:48:24.735 INFO [stderr] 61 |         let mut relative_path: PathBuf;
Dec 04 09:48:24.735 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 04 09:48:24.735 INFO [stderr]    |             |
Dec 04 09:48:24.735 INFO [stderr]    |             help: remove this `mut`
Dec 04 09:48:24.735 INFO [stderr]    |
Dec 04 09:48:24.735 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 09:48:24.735 INFO [stderr] 
Dec 04 09:48:24.735 INFO [stderr] warning: variable does not need to be mutable
Dec 04 09:48:24.735 INFO [stderr]   --> src/main.rs:67:13
Dec 04 09:48:24.735 INFO [stderr]    |
Dec 04 09:48:24.735 INFO [stderr] 67 |         let mut file = File::open(relative_path).unwrap();
Dec 04 09:48:24.735 INFO [stderr]    |             ----^^^^
Dec 04 09:48:24.735 INFO [stderr]    |             |
Dec 04 09:48:24.735 INFO [stderr]    |             help: remove this `mut`
Dec 04 09:48:24.735 INFO [stderr] 
Dec 04 09:48:24.779 INFO [stderr] warning: variable does not need to be mutable
Dec 04 09:48:24.779 INFO [stderr]   --> src/sniffer.rs:64:17
Dec 04 09:48:24.779 INFO [stderr]    |
Dec 04 09:48:24.779 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Dec 04 09:48:24.779 INFO [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.779 INFO [stderr]    |                 |
Dec 04 09:48:24.779 INFO [stderr]    |                 help: remove this `mut`
Dec 04 09:48:24.779 INFO [stderr] 
Dec 04 09:48:24.779 INFO [stderr] warning: field is never used: `rx`
Dec 04 09:48:24.779 INFO [stderr]   --> src/packet.rs:17:5
Dec 04 09:48:24.779 INFO [stderr]    |
Dec 04 09:48:24.779 INFO [stderr] 17 |     rx: TransportReceiver,
Dec 04 09:48:24.779 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.779 INFO [stderr]    |
Dec 04 09:48:24.779 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 09:48:24.779 INFO [stderr] 
Dec 04 09:48:24.779 INFO [stderr] warning: method is never used: `packets`
Dec 04 09:48:24.779 INFO [stderr]   --> src/packet.rs:36:5
Dec 04 09:48:24.779 INFO [stderr]    |
Dec 04 09:48:24.779 INFO [stderr] 36 |     pub fn packets(&mut self) -> Ipv4TransportChannelIterator {
Dec 04 09:48:24.779 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.779 INFO [stderr] 
Dec 04 09:48:24.779 INFO [stderr] warning: method is never used: `recv`
Dec 04 09:48:24.779 INFO [stderr]   --> src/packet.rs:97:5
Dec 04 09:48:24.779 INFO [stderr]    |
Dec 04 09:48:24.779 INFO [stderr] 97 |     pub fn recv(&mut self) -> () {
Dec 04 09:48:24.779 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:48:24.779 INFO [stderr] 
Dec 04 09:48:24.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:48:24.788 INFO [stderr]   --> src/main.rs:97:9
Dec 04 09:48:24.788 INFO [stderr]    |
Dec 04 09:48:24.788 INFO [stderr] 97 |         sniff.recv();
Dec 04 09:48:24.788 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 04 09:48:24.788 INFO [stderr]    |
Dec 04 09:48:24.788 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 09:48:24.788 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:48:24.788 INFO [stderr] 
Dec 04 09:48:24.821 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
Dec 04 09:48:24.860 INFO [stderr] su: No module specific data is present
Dec 04 09:48:26.227 INFO running `"docker" "inspect" "31651a8f0cf2ac87199e2d0dccbcb8f15461380127ce37ec95235cdb2791d736"`
Dec 04 09:48:26.467 INFO running `"docker" "rm" "-f" "31651a8f0cf2ac87199e2d0dccbcb8f15461380127ce37ec95235cdb2791d736"`
Dec 04 09:48:26.807 INFO [stdout] 31651a8f0cf2ac87199e2d0dccbcb8f15461380127ce37ec95235cdb2791d736