Nov 29 17:49:23.736 INFO checking sourcepirate/covert_tcp against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 17:49:23.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 17:49:24.128 INFO [stdout] d8b3c1bbc5cf58c219bd7035e14735822a68f087cd2058e99f11e7d5f579f610
Nov 29 17:49:24.130 INFO running `"docker" "start" "-a" "d8b3c1bbc5cf58c219bd7035e14735822a68f087cd2058e99f11e7d5f579f610"`
Nov 29 17:49:25.153 INFO [stderr] usermod: no changes
Nov 29 17:49:25.320 INFO [stderr]    Compiling rustc-serialize v0.3.24
Nov 29 17:49:25.320 INFO [stderr]    Compiling term v0.4.6
Nov 29 17:49:25.320 INFO [stderr]    Compiling ucd-util v0.1.2
Nov 29 17:49:25.321 INFO [stderr]    Compiling bitflags v0.5.0
Nov 29 17:49:25.324 INFO [stderr]    Compiling utf8-ranges v1.0.2
Nov 29 17:49:25.324 INFO [stderr]     Checking pnet_base v0.21.0
Nov 29 17:49:25.328 INFO [stderr]     Checking ipnetwork v0.12.8
Nov 29 17:49:25.328 INFO [stderr]    Compiling pnet v0.21.0
Nov 29 17:49:25.899 INFO [stderr]    Compiling log v0.4.6
Nov 29 17:49:26.278 INFO [stderr]     Checking pnet_sys v0.21.0
Nov 29 17:49:27.364 INFO [stderr]     Checking pnet_macros_support v0.21.0
Nov 29 17:49:27.393 INFO [stderr]     Checking pnet_datalink v0.21.0
Nov 29 17:49:27.450 INFO [stderr]    Compiling memchr v2.1.1
Nov 29 17:49:27.472 INFO [stderr]    Compiling thread_local v0.3.6
Nov 29 17:49:27.480 INFO [stderr]    Compiling regex-syntax v0.5.6
Nov 29 17:49:31.360 INFO [stderr]    Compiling log v0.3.9
Nov 29 17:49:31.362 INFO [stderr]     Checking env_logger v0.5.13
Nov 29 17:49:31.364 INFO [stderr]     Checking docopt v1.0.2
Nov 29 17:49:31.401 INFO [stderr]    Compiling aho-corasick v0.6.9
Nov 29 17:49:39.540 INFO [stderr]    Compiling syntex_pos v0.42.0
Nov 29 17:49:42.514 INFO [stderr]    Compiling syntex_errors v0.42.0
Nov 29 17:49:45.441 INFO [stderr]    Compiling regex v0.2.11
Nov 29 17:49:46.920 INFO [stderr]    Compiling syntex_syntax v0.42.0
Nov 29 17:50:27.058 INFO [stderr]    Compiling syntex v0.42.2
Nov 29 17:50:28.397 INFO [stderr]    Compiling pnet_macros v0.21.0
Nov 29 17:50:31.408 INFO [stderr]    Compiling pnet_packet v0.21.0
Nov 29 17:50:43.712 INFO [stderr]     Checking pnet_transport v0.21.0
Nov 29 17:50:44.240 INFO [stderr]     Checking covert_tcp v0.1.0 (/source)
Nov 29 17:50:45.015 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 17:50:45.015 INFO [stderr]   --> src/packet.rs:66:9
Nov 29 17:50:45.015 INFO [stderr]    |
Nov 29 17:50:45.015 INFO [stderr] 66 |         /// Building an IPV4 packet.
Nov 29 17:50:45.015 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.015 INFO [stderr]    |
Nov 29 17:50:45.015 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Nov 29 17:50:45.015 INFO [stderr] 
Nov 29 17:50:45.015 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 17:50:45.015 INFO [stderr]   --> src/packet.rs:78:9
Nov 29 17:50:45.015 INFO [stderr]    |
Nov 29 17:50:45.015 INFO [stderr] 78 |         /// Building an TCP packet
Nov 29 17:50:45.015 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.015 INFO [stderr] 
Nov 29 17:50:45.015 INFO [stderr] warning: unused import: `EtherTypes`
Nov 29 17:50:45.015 INFO [stderr]  --> src/sniffer.rs:3:30
Nov 29 17:50:45.015 INFO [stderr]   |
Nov 29 17:50:45.015 INFO [stderr] 3 | use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket};
Nov 29 17:50:45.015 INFO [stderr]   |                              ^^^^^^^^^^
Nov 29 17:50:45.015 INFO [stderr]   |
Nov 29 17:50:45.015 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 17:50:45.015 INFO [stderr] 
Nov 29 17:50:45.015 INFO [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Packet`
Nov 29 17:50:45.015 INFO [stderr]  --> src/sniffer.rs:4:5
Nov 29 17:50:45.015 INFO [stderr]   |
Nov 29 17:50:45.015 INFO [stderr] 4 | use pnet::packet::icmpv6::Icmpv6Packet;
Nov 29 17:50:45.015 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.015 INFO [stderr] 
Nov 29 17:50:45.015 INFO [stderr] warning: unused imports: `IpNextHeaderProtocol`, `IpNextHeaderProtocols`
Nov 29 17:50:45.015 INFO [stderr]  --> src/sniffer.rs:5:24
Nov 29 17:50:45.015 INFO [stderr]   |
Nov 29 17:50:45.015 INFO [stderr] 5 | use pnet::packet::ip::{IpNextHeaderProtocol, IpNextHeaderProtocols};
Nov 29 17:50:45.015 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.015 INFO [stderr] 
Nov 29 17:50:45.015 INFO [stderr] warning: unused import: `pnet::packet::ipv6::Ipv6Packet`
Nov 29 17:50:45.015 INFO [stderr]  --> src/sniffer.rs:7:5
Nov 29 17:50:45.015 INFO [stderr]   |
Nov 29 17:50:45.015 INFO [stderr] 7 | use pnet::packet::ipv6::Ipv6Packet;
Nov 29 17:50:45.015 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.015 INFO [stderr] 
Nov 29 17:50:45.015 INFO [stderr] warning: unused import: `pnet::packet::tcp::TcpPacket`
Nov 29 17:50:45.015 INFO [stderr]  --> src/sniffer.rs:8:5
Nov 29 17:50:45.015 INFO [stderr]   |
Nov 29 17:50:45.015 INFO [stderr] 8 | use pnet::packet::tcp::TcpPacket;
Nov 29 17:50:45.015 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.015 INFO [stderr] 
Nov 29 17:50:45.015 INFO [stderr] warning: unused import: `pnet::util::MacAddr`
Nov 29 17:50:45.015 INFO [stderr]   --> src/sniffer.rs:10:5
Nov 29 17:50:45.015 INFO [stderr]    |
Nov 29 17:50:45.015 INFO [stderr] 10 | use pnet::util::MacAddr;
Nov 29 17:50:45.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.016 INFO [stderr] 
Nov 29 17:50:45.016 INFO [stderr] warning: unused import: `std::io::Write`
Nov 29 17:50:45.016 INFO [stderr]   --> src/sniffer.rs:12:5
Nov 29 17:50:45.016 INFO [stderr]    |
Nov 29 17:50:45.016 INFO [stderr] 12 | use std::io::Write;
Nov 29 17:50:45.016 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 29 17:50:45.016 INFO [stderr] 
Nov 29 17:50:45.016 INFO [stderr] warning: unused import: `std::net::IpAddr`
Nov 29 17:50:45.016 INFO [stderr]   --> src/sniffer.rs:13:5
Nov 29 17:50:45.016 INFO [stderr]    |
Nov 29 17:50:45.016 INFO [stderr] 13 | use std::net::IpAddr;
Nov 29 17:50:45.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 29 17:50:45.016 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 17:50:45.025 INFO [stderr]   --> src/packet.rs:66:9
Nov 29 17:50:45.025 INFO [stderr]    |
Nov 29 17:50:45.025 INFO [stderr] 66 |         /// Building an IPV4 packet.
Nov 29 17:50:45.025 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.025 INFO [stderr]    |
Nov 29 17:50:45.025 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Nov 29 17:50:45.025 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 17:50:45.025 INFO [stderr]   --> src/packet.rs:78:9
Nov 29 17:50:45.025 INFO [stderr]    |
Nov 29 17:50:45.025 INFO [stderr] 78 |         /// Building an TCP packet
Nov 29 17:50:45.025 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.025 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: unused import: `EtherTypes`
Nov 29 17:50:45.025 INFO [stderr]  --> src/sniffer.rs:3:30
Nov 29 17:50:45.025 INFO [stderr]   |
Nov 29 17:50:45.025 INFO [stderr] 3 | use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket};
Nov 29 17:50:45.025 INFO [stderr]   |                              ^^^^^^^^^^
Nov 29 17:50:45.025 INFO [stderr]   |
Nov 29 17:50:45.025 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 17:50:45.025 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Packet`
Nov 29 17:50:45.025 INFO [stderr]  --> src/sniffer.rs:4:5
Nov 29 17:50:45.025 INFO [stderr]   |
Nov 29 17:50:45.025 INFO [stderr] 4 | use pnet::packet::icmpv6::Icmpv6Packet;
Nov 29 17:50:45.025 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.025 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: unused imports: `IpNextHeaderProtocol`, `IpNextHeaderProtocols`
Nov 29 17:50:45.025 INFO [stderr]  --> src/sniffer.rs:5:24
Nov 29 17:50:45.025 INFO [stderr]   |
Nov 29 17:50:45.025 INFO [stderr] 5 | use pnet::packet::ip::{IpNextHeaderProtocol, IpNextHeaderProtocols};
Nov 29 17:50:45.025 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.025 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: unused import: `pnet::packet::ipv6::Ipv6Packet`
Nov 29 17:50:45.025 INFO [stderr]  --> src/sniffer.rs:7:5
Nov 29 17:50:45.025 INFO [stderr]   |
Nov 29 17:50:45.025 INFO [stderr] 7 | use pnet::packet::ipv6::Ipv6Packet;
Nov 29 17:50:45.025 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.025 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: unused import: `pnet::packet::tcp::TcpPacket`
Nov 29 17:50:45.025 INFO [stderr]  --> src/sniffer.rs:8:5
Nov 29 17:50:45.025 INFO [stderr]   |
Nov 29 17:50:45.025 INFO [stderr] 8 | use pnet::packet::tcp::TcpPacket;
Nov 29 17:50:45.025 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.025 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: unused import: `pnet::util::MacAddr`
Nov 29 17:50:45.025 INFO [stderr]   --> src/sniffer.rs:10:5
Nov 29 17:50:45.025 INFO [stderr]    |
Nov 29 17:50:45.025 INFO [stderr] 10 | use pnet::util::MacAddr;
Nov 29 17:50:45.025 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.025 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: unused import: `std::io::Write`
Nov 29 17:50:45.025 INFO [stderr]   --> src/sniffer.rs:12:5
Nov 29 17:50:45.025 INFO [stderr]    |
Nov 29 17:50:45.025 INFO [stderr] 12 | use std::io::Write;
Nov 29 17:50:45.025 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 29 17:50:45.025 INFO [stderr] 
Nov 29 17:50:45.025 INFO [stderr] warning: unused import: `std::net::IpAddr`
Nov 29 17:50:45.025 INFO [stderr]   --> src/sniffer.rs:13:5
Nov 29 17:50:45.026 INFO [stderr]    |
Nov 29 17:50:45.026 INFO [stderr] 13 | use std::net::IpAddr;
Nov 29 17:50:45.026 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 29 17:50:45.026 INFO [stderr] 
Nov 29 17:50:45.146 INFO [stderr] warning: unreachable expression
Nov 29 17:50:45.146 INFO [stderr]   --> src/sniffer.rs:73:9
Nov 29 17:50:45.146 INFO [stderr]    |
Nov 29 17:50:45.146 INFO [stderr] 73 |         Ok(())
Nov 29 17:50:45.146 INFO [stderr]    |         ^^^^^^
Nov 29 17:50:45.146 INFO [stderr]    |
Nov 29 17:50:45.146 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 29 17:50:45.146 INFO [stderr] 
Nov 29 17:50:45.168 INFO [stderr] warning: unused variable: `e`
Nov 29 17:50:45.168 INFO [stderr]   --> src/sniffer.rs:59:17
Nov 29 17:50:45.168 INFO [stderr]    |
Nov 29 17:50:45.168 INFO [stderr] 59 |             Err(e) => return Err(ReciverError::PacketError),
Nov 29 17:50:45.168 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 29 17:50:45.168 INFO [stderr]    |
Nov 29 17:50:45.168 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 17:50:45.168 INFO [stderr] 
Nov 29 17:50:45.168 INFO [stderr] warning: unused variable: `fake_ethernet_frame`
Nov 29 17:50:45.168 INFO [stderr]   --> src/sniffer.rs:64:21
Nov 29 17:50:45.168 INFO [stderr]    |
Nov 29 17:50:45.168 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Nov 29 17:50:45.168 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: consider using `_fake_ethernet_frame` instead
Nov 29 17:50:45.168 INFO [stderr] 
Nov 29 17:50:45.224 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:50:45.224 INFO [stderr]   --> src/main.rs:61:13
Nov 29 17:50:45.224 INFO [stderr]    |
Nov 29 17:50:45.224 INFO [stderr] 61 |         let mut relative_path: PathBuf;
Nov 29 17:50:45.224 INFO [stderr]    |             ----^^^^^^^^^^^^^
Nov 29 17:50:45.224 INFO [stderr]    |             |
Nov 29 17:50:45.224 INFO [stderr]    |             help: remove this `mut`
Nov 29 17:50:45.224 INFO [stderr]    |
Nov 29 17:50:45.224 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 17:50:45.224 INFO [stderr] 
Nov 29 17:50:45.224 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:50:45.224 INFO [stderr]   --> src/main.rs:67:13
Nov 29 17:50:45.224 INFO [stderr]    |
Nov 29 17:50:45.224 INFO [stderr] 67 |         let mut file = File::open(relative_path).unwrap();
Nov 29 17:50:45.224 INFO [stderr]    |             ----^^^^
Nov 29 17:50:45.224 INFO [stderr]    |             |
Nov 29 17:50:45.224 INFO [stderr]    |             help: remove this `mut`
Nov 29 17:50:45.224 INFO [stderr] 
Nov 29 17:50:45.240 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:50:45.240 INFO [stderr]   --> src/sniffer.rs:64:17
Nov 29 17:50:45.240 INFO [stderr]    |
Nov 29 17:50:45.240 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Nov 29 17:50:45.240 INFO [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.240 INFO [stderr]    |                 |
Nov 29 17:50:45.240 INFO [stderr]    |                 help: remove this `mut`
Nov 29 17:50:45.240 INFO [stderr] 
Nov 29 17:50:45.240 INFO [stderr] warning: field is never used: `rx`
Nov 29 17:50:45.240 INFO [stderr]   --> src/packet.rs:17:5
Nov 29 17:50:45.240 INFO [stderr]    |
Nov 29 17:50:45.240 INFO [stderr] 17 |     rx: TransportReceiver,
Nov 29 17:50:45.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.240 INFO [stderr]    |
Nov 29 17:50:45.240 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 17:50:45.240 INFO [stderr] 
Nov 29 17:50:45.240 INFO [stderr] warning: method is never used: `packets`
Nov 29 17:50:45.240 INFO [stderr]   --> src/packet.rs:36:5
Nov 29 17:50:45.240 INFO [stderr]    |
Nov 29 17:50:45.240 INFO [stderr] 36 |     pub fn packets(&mut self) -> Ipv4TransportChannelIterator {
Nov 29 17:50:45.241 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.241 INFO [stderr] 
Nov 29 17:50:45.241 INFO [stderr] warning: method is never used: `recv`
Nov 29 17:50:45.241 INFO [stderr]   --> src/packet.rs:97:5
Nov 29 17:50:45.241 INFO [stderr]    |
Nov 29 17:50:45.241 INFO [stderr] 97 |     pub fn recv(&mut self) -> () {
Nov 29 17:50:45.241 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.241 INFO [stderr] 
Nov 29 17:50:45.244 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:50:45.244 INFO [stderr]   --> src/main.rs:97:9
Nov 29 17:50:45.244 INFO [stderr]    |
Nov 29 17:50:45.244 INFO [stderr] 97 |         sniff.recv();
Nov 29 17:50:45.244 INFO [stderr]    |         ^^^^^^^^^^^^^
Nov 29 17:50:45.244 INFO [stderr]    |
Nov 29 17:50:45.244 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 17:50:45.244 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:50:45.244 INFO [stderr] 
Nov 29 17:50:45.304 INFO [stderr] warning: unreachable expression
Nov 29 17:50:45.304 INFO [stderr]   --> src/sniffer.rs:73:9
Nov 29 17:50:45.304 INFO [stderr]    |
Nov 29 17:50:45.304 INFO [stderr] 73 |         Ok(())
Nov 29 17:50:45.304 INFO [stderr]    |         ^^^^^^
Nov 29 17:50:45.304 INFO [stderr]    |
Nov 29 17:50:45.304 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 29 17:50:45.304 INFO [stderr] 
Nov 29 17:50:45.340 INFO [stderr] warning: unused variable: `e`
Nov 29 17:50:45.340 INFO [stderr]   --> src/sniffer.rs:59:17
Nov 29 17:50:45.340 INFO [stderr]    |
Nov 29 17:50:45.340 INFO [stderr] 59 |             Err(e) => return Err(ReciverError::PacketError),
Nov 29 17:50:45.340 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 29 17:50:45.340 INFO [stderr]    |
Nov 29 17:50:45.340 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 17:50:45.340 INFO [stderr] 
Nov 29 17:50:45.340 INFO [stderr] warning: unused variable: `fake_ethernet_frame`
Nov 29 17:50:45.340 INFO [stderr]   --> src/sniffer.rs:64:21
Nov 29 17:50:45.340 INFO [stderr]    |
Nov 29 17:50:45.340 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Nov 29 17:50:45.340 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: consider using `_fake_ethernet_frame` instead
Nov 29 17:50:45.340 INFO [stderr] 
Nov 29 17:50:45.444 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:50:45.444 INFO [stderr]   --> src/main.rs:61:13
Nov 29 17:50:45.444 INFO [stderr]    |
Nov 29 17:50:45.444 INFO [stderr] 61 |         let mut relative_path: PathBuf;
Nov 29 17:50:45.444 INFO [stderr]    |             ----^^^^^^^^^^^^^
Nov 29 17:50:45.444 INFO [stderr]    |             |
Nov 29 17:50:45.444 INFO [stderr]    |             help: remove this `mut`
Nov 29 17:50:45.444 INFO [stderr]    |
Nov 29 17:50:45.444 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 17:50:45.444 INFO [stderr] 
Nov 29 17:50:45.444 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:50:45.444 INFO [stderr]   --> src/main.rs:67:13
Nov 29 17:50:45.444 INFO [stderr]    |
Nov 29 17:50:45.444 INFO [stderr] 67 |         let mut file = File::open(relative_path).unwrap();
Nov 29 17:50:45.444 INFO [stderr]    |             ----^^^^
Nov 29 17:50:45.444 INFO [stderr]    |             |
Nov 29 17:50:45.444 INFO [stderr]    |             help: remove this `mut`
Nov 29 17:50:45.444 INFO [stderr] 
Nov 29 17:50:45.472 INFO [stderr] warning: variable does not need to be mutable
Nov 29 17:50:45.472 INFO [stderr]   --> src/sniffer.rs:64:17
Nov 29 17:50:45.472 INFO [stderr]    |
Nov 29 17:50:45.472 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Nov 29 17:50:45.472 INFO [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.472 INFO [stderr]    |                 |
Nov 29 17:50:45.472 INFO [stderr]    |                 help: remove this `mut`
Nov 29 17:50:45.472 INFO [stderr] 
Nov 29 17:50:45.472 INFO [stderr] warning: field is never used: `rx`
Nov 29 17:50:45.472 INFO [stderr]   --> src/packet.rs:17:5
Nov 29 17:50:45.472 INFO [stderr]    |
Nov 29 17:50:45.472 INFO [stderr] 17 |     rx: TransportReceiver,
Nov 29 17:50:45.472 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.472 INFO [stderr]    |
Nov 29 17:50:45.472 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 17:50:45.472 INFO [stderr] 
Nov 29 17:50:45.476 INFO [stderr] warning: method is never used: `packets`
Nov 29 17:50:45.476 INFO [stderr]   --> src/packet.rs:36:5
Nov 29 17:50:45.476 INFO [stderr]    |
Nov 29 17:50:45.476 INFO [stderr] 36 |     pub fn packets(&mut self) -> Ipv4TransportChannelIterator {
Nov 29 17:50:45.476 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.476 INFO [stderr] 
Nov 29 17:50:45.476 INFO [stderr] warning: method is never used: `recv`
Nov 29 17:50:45.476 INFO [stderr]   --> src/packet.rs:97:5
Nov 29 17:50:45.476 INFO [stderr]    |
Nov 29 17:50:45.476 INFO [stderr] 97 |     pub fn recv(&mut self) -> () {
Nov 29 17:50:45.476 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:50:45.476 INFO [stderr] 
Nov 29 17:50:45.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:50:45.476 INFO [stderr]   --> src/main.rs:97:9
Nov 29 17:50:45.476 INFO [stderr]    |
Nov 29 17:50:45.476 INFO [stderr] 97 |         sniff.recv();
Nov 29 17:50:45.476 INFO [stderr]    |         ^^^^^^^^^^^^^
Nov 29 17:50:45.476 INFO [stderr]    |
Nov 29 17:50:45.476 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 17:50:45.476 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:50:45.476 INFO [stderr] 
Nov 29 17:50:45.501 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
Nov 29 17:50:45.506 INFO [stderr] su: No module specific data is present
Nov 29 17:50:46.126 INFO running `"docker" "inspect" "d8b3c1bbc5cf58c219bd7035e14735822a68f087cd2058e99f11e7d5f579f610"`
Nov 29 17:50:46.406 INFO running `"docker" "rm" "-f" "d8b3c1bbc5cf58c219bd7035e14735822a68f087cd2058e99f11e7d5f579f610"`
Nov 29 17:50:46.765 INFO [stdout] d8b3c1bbc5cf58c219bd7035e14735822a68f087cd2058e99f11e7d5f579f610