Dec 13 02:34:25.823 INFO testing sourcepirate/covert_tcp against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 02:34:25.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 02:34:26.356 INFO [stdout] 2663a9dd45dd9c570b54d261ddcfd4138616d15a9314bbfed67ea9fb1a62935b
Dec 13 02:34:26.359 INFO running `"docker" "start" "-a" "2663a9dd45dd9c570b54d261ddcfd4138616d15a9314bbfed67ea9fb1a62935b"`
Dec 13 02:34:28.383 INFO [stderr] usermod: no changes
Dec 13 02:34:28.587 INFO [stderr]    Compiling unicode-xid v0.0.3
Dec 13 02:34:28.587 INFO [stderr]    Compiling bitflags v0.5.0
Dec 13 02:34:28.595 INFO [stderr]    Compiling pnet_base v0.21.0
Dec 13 02:34:28.603 INFO [stderr]    Compiling ipnetwork v0.12.8
Dec 13 02:34:28.603 INFO [stderr]    Compiling pnet v0.21.0
Dec 13 02:34:28.603 INFO [stderr]    Compiling syntex_pos v0.42.0
Dec 13 02:34:28.603 INFO [stderr]    Compiling pnet_sys v0.21.0
Dec 13 02:34:28.603 INFO [stderr]    Compiling regex-syntax v0.5.6
Dec 13 02:34:30.071 INFO [stderr]    Compiling regex-syntax v0.6.2
Dec 13 02:34:31.168 INFO [stderr]    Compiling log v0.3.9
Dec 13 02:34:31.194 INFO [stderr]    Compiling quote v0.6.9
Dec 13 02:34:31.329 INFO [stderr]    Compiling pnet_macros_support v0.21.0
Dec 13 02:34:34.327 INFO [stderr]    Compiling pnet_datalink v0.21.0
Dec 13 02:34:35.187 INFO [stderr]    Compiling syn v0.15.18
Dec 13 02:34:35.339 INFO [stderr]    Compiling syntex_errors v0.42.0
Dec 13 02:34:43.509 INFO [stderr]    Compiling syntex_syntax v0.42.0
Dec 13 02:34:56.995 INFO [stderr]    Compiling regex v1.0.5
Dec 13 02:34:57.002 INFO [stderr]    Compiling regex v0.2.11
Dec 13 02:34:57.739 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 13 02:35:07.833 INFO [stderr]    Compiling env_logger v0.5.13
Dec 13 02:35:12.463 INFO [stderr]    Compiling docopt v1.0.2
Dec 13 02:35:36.317 INFO [stderr]    Compiling syntex v0.42.2
Dec 13 02:35:37.404 INFO [stderr]    Compiling pnet_macros v0.21.0
Dec 13 02:35:40.291 INFO [stderr]    Compiling pnet_packet v0.21.0
Dec 13 02:35:54.575 INFO [stderr]    Compiling pnet_transport v0.21.0
Dec 13 02:35:55.606 INFO [stderr]    Compiling covert_tcp v0.1.0 (/source)
Dec 13 02:35:56.141 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 02:35:56.141 INFO [stderr]   --> src/packet.rs:66:9
Dec 13 02:35:56.141 INFO [stderr]    |
Dec 13 02:35:56.141 INFO [stderr] 66 |         /// Building an IPV4 packet.
Dec 13 02:35:56.141 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.141 INFO [stderr]    |
Dec 13 02:35:56.141 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 13 02:35:56.141 INFO [stderr] 
Dec 13 02:35:56.141 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 02:35:56.141 INFO [stderr]   --> src/packet.rs:78:9
Dec 13 02:35:56.141 INFO [stderr]    |
Dec 13 02:35:56.141 INFO [stderr] 78 |         /// Building an TCP packet
Dec 13 02:35:56.141 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.141 INFO [stderr] 
Dec 13 02:35:56.141 INFO [stderr] warning: unused import: `EtherTypes`
Dec 13 02:35:56.141 INFO [stderr]  --> src/sniffer.rs:3:30
Dec 13 02:35:56.141 INFO [stderr]   |
Dec 13 02:35:56.141 INFO [stderr] 3 | use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket};
Dec 13 02:35:56.141 INFO [stderr]   |                              ^^^^^^^^^^
Dec 13 02:35:56.141 INFO [stderr]   |
Dec 13 02:35:56.141 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 02:35:56.141 INFO [stderr] 
Dec 13 02:35:56.141 INFO [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Packet`
Dec 13 02:35:56.141 INFO [stderr]  --> src/sniffer.rs:4:5
Dec 13 02:35:56.141 INFO [stderr]   |
Dec 13 02:35:56.141 INFO [stderr] 4 | use pnet::packet::icmpv6::Icmpv6Packet;
Dec 13 02:35:56.141 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.141 INFO [stderr] 
Dec 13 02:35:56.141 INFO [stderr] warning: unused imports: `IpNextHeaderProtocol`, `IpNextHeaderProtocols`
Dec 13 02:35:56.141 INFO [stderr]  --> src/sniffer.rs:5:24
Dec 13 02:35:56.141 INFO [stderr]   |
Dec 13 02:35:56.141 INFO [stderr] 5 | use pnet::packet::ip::{IpNextHeaderProtocol, IpNextHeaderProtocols};
Dec 13 02:35:56.141 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.141 INFO [stderr] 
Dec 13 02:35:56.141 INFO [stderr] warning: unused import: `pnet::packet::ipv6::Ipv6Packet`
Dec 13 02:35:56.141 INFO [stderr]  --> src/sniffer.rs:7:5
Dec 13 02:35:56.141 INFO [stderr]   |
Dec 13 02:35:56.141 INFO [stderr] 7 | use pnet::packet::ipv6::Ipv6Packet;
Dec 13 02:35:56.141 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.141 INFO [stderr] 
Dec 13 02:35:56.141 INFO [stderr] warning: unused import: `pnet::packet::tcp::TcpPacket`
Dec 13 02:35:56.141 INFO [stderr]  --> src/sniffer.rs:8:5
Dec 13 02:35:56.141 INFO [stderr]   |
Dec 13 02:35:56.141 INFO [stderr] 8 | use pnet::packet::tcp::TcpPacket;
Dec 13 02:35:56.141 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.141 INFO [stderr] 
Dec 13 02:35:56.141 INFO [stderr] warning: unused import: `pnet::util::MacAddr`
Dec 13 02:35:56.141 INFO [stderr]   --> src/sniffer.rs:10:5
Dec 13 02:35:56.141 INFO [stderr]    |
Dec 13 02:35:56.141 INFO [stderr] 10 | use pnet::util::MacAddr;
Dec 13 02:35:56.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.141 INFO [stderr] 
Dec 13 02:35:56.142 INFO [stderr] warning: unused import: `std::io::Write`
Dec 13 02:35:56.142 INFO [stderr]   --> src/sniffer.rs:12:5
Dec 13 02:35:56.142 INFO [stderr]    |
Dec 13 02:35:56.142 INFO [stderr] 12 | use std::io::Write;
Dec 13 02:35:56.142 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 02:35:56.142 INFO [stderr] 
Dec 13 02:35:56.142 INFO [stderr] warning: unused import: `std::net::IpAddr`
Dec 13 02:35:56.142 INFO [stderr]   --> src/sniffer.rs:13:5
Dec 13 02:35:56.142 INFO [stderr]    |
Dec 13 02:35:56.142 INFO [stderr] 13 | use std::net::IpAddr;
Dec 13 02:35:56.142 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 13 02:35:56.142 INFO [stderr] 
Dec 13 02:35:56.290 INFO [stderr] warning: unreachable expression
Dec 13 02:35:56.290 INFO [stderr]   --> src/sniffer.rs:73:9
Dec 13 02:35:56.290 INFO [stderr]    |
Dec 13 02:35:56.290 INFO [stderr] 73 |         Ok(())
Dec 13 02:35:56.290 INFO [stderr]    |         ^^^^^^
Dec 13 02:35:56.290 INFO [stderr]    |
Dec 13 02:35:56.290 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 13 02:35:56.290 INFO [stderr] 
Dec 13 02:35:56.290 INFO [stderr] warning: unused variable: `e`
Dec 13 02:35:56.290 INFO [stderr]   --> src/sniffer.rs:59:17
Dec 13 02:35:56.290 INFO [stderr]    |
Dec 13 02:35:56.290 INFO [stderr] 59 |             Err(e) => return Err(ReciverError::PacketError),
Dec 13 02:35:56.290 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 13 02:35:56.290 INFO [stderr]    |
Dec 13 02:35:56.290 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 02:35:56.290 INFO [stderr] 
Dec 13 02:35:56.290 INFO [stderr] warning: unused variable: `fake_ethernet_frame`
Dec 13 02:35:56.290 INFO [stderr]   --> src/sniffer.rs:64:21
Dec 13 02:35:56.290 INFO [stderr]    |
Dec 13 02:35:56.290 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Dec 13 02:35:56.290 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: consider using `_fake_ethernet_frame` instead
Dec 13 02:35:56.290 INFO [stderr] 
Dec 13 02:35:56.371 INFO [stderr] warning: variable does not need to be mutable
Dec 13 02:35:56.371 INFO [stderr]   --> src/main.rs:61:13
Dec 13 02:35:56.371 INFO [stderr]    |
Dec 13 02:35:56.371 INFO [stderr] 61 |         let mut relative_path: PathBuf;
Dec 13 02:35:56.371 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 13 02:35:56.371 INFO [stderr]    |             |
Dec 13 02:35:56.371 INFO [stderr]    |             help: remove this `mut`
Dec 13 02:35:56.371 INFO [stderr]    |
Dec 13 02:35:56.371 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 02:35:56.371 INFO [stderr] 
Dec 13 02:35:56.371 INFO [stderr] warning: variable does not need to be mutable
Dec 13 02:35:56.371 INFO [stderr]   --> src/main.rs:67:13
Dec 13 02:35:56.371 INFO [stderr]    |
Dec 13 02:35:56.371 INFO [stderr] 67 |         let mut file = File::open(relative_path).unwrap();
Dec 13 02:35:56.371 INFO [stderr]    |             ----^^^^
Dec 13 02:35:56.371 INFO [stderr]    |             |
Dec 13 02:35:56.371 INFO [stderr]    |             help: remove this `mut`
Dec 13 02:35:56.371 INFO [stderr] 
Dec 13 02:35:56.395 INFO [stderr] warning: variable does not need to be mutable
Dec 13 02:35:56.395 INFO [stderr]   --> src/sniffer.rs:64:17
Dec 13 02:35:56.395 INFO [stderr]    |
Dec 13 02:35:56.395 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Dec 13 02:35:56.395 INFO [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.395 INFO [stderr]    |                 |
Dec 13 02:35:56.395 INFO [stderr]    |                 help: remove this `mut`
Dec 13 02:35:56.395 INFO [stderr] 
Dec 13 02:35:56.395 INFO [stderr] warning: field is never used: `rx`
Dec 13 02:35:56.395 INFO [stderr]   --> src/packet.rs:17:5
Dec 13 02:35:56.395 INFO [stderr]    |
Dec 13 02:35:56.395 INFO [stderr] 17 |     rx: TransportReceiver,
Dec 13 02:35:56.395 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.395 INFO [stderr]    |
Dec 13 02:35:56.395 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 02:35:56.395 INFO [stderr] 
Dec 13 02:35:56.395 INFO [stderr] warning: method is never used: `packets`
Dec 13 02:35:56.395 INFO [stderr]   --> src/packet.rs:36:5
Dec 13 02:35:56.395 INFO [stderr]    |
Dec 13 02:35:56.395 INFO [stderr] 36 |     pub fn packets(&mut self) -> Ipv4TransportChannelIterator {
Dec 13 02:35:56.395 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.395 INFO [stderr] 
Dec 13 02:35:56.395 INFO [stderr] warning: method is never used: `recv`
Dec 13 02:35:56.395 INFO [stderr]   --> src/packet.rs:97:5
Dec 13 02:35:56.395 INFO [stderr]    |
Dec 13 02:35:56.395 INFO [stderr] 97 |     pub fn recv(&mut self) -> () {
Dec 13 02:35:56.395 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:35:56.395 INFO [stderr] 
Dec 13 02:35:56.395 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:35:56.395 INFO [stderr]   --> src/main.rs:97:9
Dec 13 02:35:56.395 INFO [stderr]    |
Dec 13 02:35:56.395 INFO [stderr] 97 |         sniff.recv();
Dec 13 02:35:56.395 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 13 02:35:56.395 INFO [stderr]    |
Dec 13 02:35:56.395 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 02:35:56.395 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:35:56.395 INFO [stderr] 
Dec 13 02:35:58.775 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
Dec 13 02:35:58.791 INFO [stderr] su: No module specific data is present
Dec 13 02:35:59.475 INFO running `"docker" "inspect" "2663a9dd45dd9c570b54d261ddcfd4138616d15a9314bbfed67ea9fb1a62935b"`
Dec 13 02:35:59.751 INFO running `"docker" "rm" "-f" "2663a9dd45dd9c570b54d261ddcfd4138616d15a9314bbfed67ea9fb1a62935b"`
Dec 13 02:36:00.252 INFO [stdout] 2663a9dd45dd9c570b54d261ddcfd4138616d15a9314bbfed67ea9fb1a62935b
Dec 13 02:36:00.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 02:36:00.707 INFO [stdout] 8df7c54ee66bc2cc597958d05032c4d0765e2b827067d90f5f73c5a10d8bd150
Dec 13 02:36:00.711 INFO running `"docker" "start" "-a" "8df7c54ee66bc2cc597958d05032c4d0765e2b827067d90f5f73c5a10d8bd150"`
Dec 13 02:36:02.096 INFO [stderr] usermod: no changes
Dec 13 02:36:02.295 INFO [stderr]    Compiling covert_tcp v0.1.0 (/source)
Dec 13 02:36:02.807 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 02:36:02.807 INFO [stderr]   --> src/packet.rs:66:9
Dec 13 02:36:02.807 INFO [stderr]    |
Dec 13 02:36:02.807 INFO [stderr] 66 |         /// Building an IPV4 packet.
Dec 13 02:36:02.807 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:02.807 INFO [stderr]    |
Dec 13 02:36:02.807 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 13 02:36:02.807 INFO [stderr] 
Dec 13 02:36:02.807 INFO [stderr] warning: doc comment not used by rustdoc
Dec 13 02:36:02.807 INFO [stderr]   --> src/packet.rs:78:9
Dec 13 02:36:02.807 INFO [stderr]    |
Dec 13 02:36:02.807 INFO [stderr] 78 |         /// Building an TCP packet
Dec 13 02:36:02.807 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:02.807 INFO [stderr] 
Dec 13 02:36:02.807 INFO [stderr] warning: unused import: `EtherTypes`
Dec 13 02:36:02.807 INFO [stderr]  --> src/sniffer.rs:3:30
Dec 13 02:36:02.807 INFO [stderr]   |
Dec 13 02:36:02.807 INFO [stderr] 3 | use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket};
Dec 13 02:36:02.807 INFO [stderr]   |                              ^^^^^^^^^^
Dec 13 02:36:02.807 INFO [stderr]   |
Dec 13 02:36:02.807 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 02:36:02.807 INFO [stderr] 
Dec 13 02:36:02.807 INFO [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Packet`
Dec 13 02:36:02.807 INFO [stderr]  --> src/sniffer.rs:4:5
Dec 13 02:36:02.807 INFO [stderr]   |
Dec 13 02:36:02.807 INFO [stderr] 4 | use pnet::packet::icmpv6::Icmpv6Packet;
Dec 13 02:36:02.807 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:02.807 INFO [stderr] 
Dec 13 02:36:02.807 INFO [stderr] warning: unused imports: `IpNextHeaderProtocol`, `IpNextHeaderProtocols`
Dec 13 02:36:02.807 INFO [stderr]  --> src/sniffer.rs:5:24
Dec 13 02:36:02.807 INFO [stderr]   |
Dec 13 02:36:02.807 INFO [stderr] 5 | use pnet::packet::ip::{IpNextHeaderProtocol, IpNextHeaderProtocols};
Dec 13 02:36:02.807 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:02.807 INFO [stderr] 
Dec 13 02:36:02.807 INFO [stderr] warning: unused import: `pnet::packet::ipv6::Ipv6Packet`
Dec 13 02:36:02.807 INFO [stderr]  --> src/sniffer.rs:7:5
Dec 13 02:36:02.807 INFO [stderr]   |
Dec 13 02:36:02.807 INFO [stderr] 7 | use pnet::packet::ipv6::Ipv6Packet;
Dec 13 02:36:02.807 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:02.807 INFO [stderr] 
Dec 13 02:36:02.807 INFO [stderr] warning: unused import: `pnet::packet::tcp::TcpPacket`
Dec 13 02:36:02.807 INFO [stderr]  --> src/sniffer.rs:8:5
Dec 13 02:36:02.807 INFO [stderr]   |
Dec 13 02:36:02.807 INFO [stderr] 8 | use pnet::packet::tcp::TcpPacket;
Dec 13 02:36:02.807 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:02.807 INFO [stderr] 
Dec 13 02:36:02.807 INFO [stderr] warning: unused import: `pnet::util::MacAddr`
Dec 13 02:36:02.808 INFO [stderr]   --> src/sniffer.rs:10:5
Dec 13 02:36:02.808 INFO [stderr]    |
Dec 13 02:36:02.808 INFO [stderr] 10 | use pnet::util::MacAddr;
Dec 13 02:36:02.808 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:02.808 INFO [stderr] 
Dec 13 02:36:02.808 INFO [stderr] warning: unused import: `std::io::Write`
Dec 13 02:36:02.808 INFO [stderr]   --> src/sniffer.rs:12:5
Dec 13 02:36:02.808 INFO [stderr]    |
Dec 13 02:36:02.808 INFO [stderr] 12 | use std::io::Write;
Dec 13 02:36:02.808 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 13 02:36:02.808 INFO [stderr] 
Dec 13 02:36:02.808 INFO [stderr] warning: unused import: `std::net::IpAddr`
Dec 13 02:36:02.808 INFO [stderr]   --> src/sniffer.rs:13:5
Dec 13 02:36:02.808 INFO [stderr]    |
Dec 13 02:36:02.808 INFO [stderr] 13 | use std::net::IpAddr;
Dec 13 02:36:02.808 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 13 02:36:02.808 INFO [stderr] 
Dec 13 02:36:02.919 INFO [stderr] warning: unreachable expression
Dec 13 02:36:02.919 INFO [stderr]   --> src/sniffer.rs:73:9
Dec 13 02:36:02.919 INFO [stderr]    |
Dec 13 02:36:02.919 INFO [stderr] 73 |         Ok(())
Dec 13 02:36:02.919 INFO [stderr]    |         ^^^^^^
Dec 13 02:36:02.919 INFO [stderr]    |
Dec 13 02:36:02.919 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 13 02:36:02.924 INFO [stderr] 
Dec 13 02:36:02.931 INFO [stderr] warning: unused variable: `e`
Dec 13 02:36:02.931 INFO [stderr]   --> src/sniffer.rs:59:17
Dec 13 02:36:02.931 INFO [stderr]    |
Dec 13 02:36:02.931 INFO [stderr] 59 |             Err(e) => return Err(ReciverError::PacketError),
Dec 13 02:36:02.931 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 13 02:36:02.931 INFO [stderr]    |
Dec 13 02:36:02.931 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 02:36:02.931 INFO [stderr] 
Dec 13 02:36:02.931 INFO [stderr] warning: unused variable: `fake_ethernet_frame`
Dec 13 02:36:02.931 INFO [stderr]   --> src/sniffer.rs:64:21
Dec 13 02:36:02.931 INFO [stderr]    |
Dec 13 02:36:02.931 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Dec 13 02:36:02.931 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: consider using `_fake_ethernet_frame` instead
Dec 13 02:36:02.931 INFO [stderr] 
Dec 13 02:36:02.997 INFO [stderr] warning: variable does not need to be mutable
Dec 13 02:36:02.997 INFO [stderr]   --> src/main.rs:61:13
Dec 13 02:36:02.997 INFO [stderr]    |
Dec 13 02:36:02.997 INFO [stderr] 61 |         let mut relative_path: PathBuf;
Dec 13 02:36:02.997 INFO [stderr]    |             ----^^^^^^^^^^^^^
Dec 13 02:36:02.997 INFO [stderr]    |             |
Dec 13 02:36:02.997 INFO [stderr]    |             help: remove this `mut`
Dec 13 02:36:02.997 INFO [stderr]    |
Dec 13 02:36:02.997 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 02:36:02.997 INFO [stderr] 
Dec 13 02:36:02.997 INFO [stderr] warning: variable does not need to be mutable
Dec 13 02:36:02.997 INFO [stderr]   --> src/main.rs:67:13
Dec 13 02:36:02.997 INFO [stderr]    |
Dec 13 02:36:02.997 INFO [stderr] 67 |         let mut file = File::open(relative_path).unwrap();
Dec 13 02:36:02.997 INFO [stderr]    |             ----^^^^
Dec 13 02:36:02.997 INFO [stderr]    |             |
Dec 13 02:36:02.997 INFO [stderr]    |             help: remove this `mut`
Dec 13 02:36:02.997 INFO [stderr] 
Dec 13 02:36:03.022 INFO [stderr] warning: variable does not need to be mutable
Dec 13 02:36:03.022 INFO [stderr]   --> src/sniffer.rs:64:17
Dec 13 02:36:03.022 INFO [stderr]    |
Dec 13 02:36:03.022 INFO [stderr] 64 |             let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap();
Dec 13 02:36:03.022 INFO [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:03.022 INFO [stderr]    |                 |
Dec 13 02:36:03.022 INFO [stderr]    |                 help: remove this `mut`
Dec 13 02:36:03.022 INFO [stderr] 
Dec 13 02:36:03.027 INFO [stderr] warning: field is never used: `rx`
Dec 13 02:36:03.027 INFO [stderr]   --> src/packet.rs:17:5
Dec 13 02:36:03.027 INFO [stderr]    |
Dec 13 02:36:03.027 INFO [stderr] 17 |     rx: TransportReceiver,
Dec 13 02:36:03.027 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:03.027 INFO [stderr]    |
Dec 13 02:36:03.027 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 02:36:03.027 INFO [stderr] 
Dec 13 02:36:03.027 INFO [stderr] warning: method is never used: `packets`
Dec 13 02:36:03.027 INFO [stderr]   --> src/packet.rs:36:5
Dec 13 02:36:03.027 INFO [stderr]    |
Dec 13 02:36:03.027 INFO [stderr] 36 |     pub fn packets(&mut self) -> Ipv4TransportChannelIterator {
Dec 13 02:36:03.027 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:03.027 INFO [stderr] 
Dec 13 02:36:03.027 INFO [stderr] warning: method is never used: `recv`
Dec 13 02:36:03.027 INFO [stderr]   --> src/packet.rs:97:5
Dec 13 02:36:03.027 INFO [stderr]    |
Dec 13 02:36:03.027 INFO [stderr] 97 |     pub fn recv(&mut self) -> () {
Dec 13 02:36:03.027 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:36:03.027 INFO [stderr] 
Dec 13 02:36:03.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:36:03.027 INFO [stderr]   --> src/main.rs:97:9
Dec 13 02:36:03.027 INFO [stderr]    |
Dec 13 02:36:03.027 INFO [stderr] 97 |         sniff.recv();
Dec 13 02:36:03.027 INFO [stderr]    |         ^^^^^^^^^^^^^
Dec 13 02:36:03.027 INFO [stderr]    |
Dec 13 02:36:03.027 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 02:36:03.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:36:03.027 INFO [stderr] 
Dec 13 02:36:03.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Dec 13 02:36:03.499 INFO [stderr] su: No module specific data is present
Dec 13 02:36:04.440 INFO running `"docker" "inspect" "8df7c54ee66bc2cc597958d05032c4d0765e2b827067d90f5f73c5a10d8bd150"`
Dec 13 02:36:04.765 INFO running `"docker" "rm" "-f" "8df7c54ee66bc2cc597958d05032c4d0765e2b827067d90f5f73c5a10d8bd150"`
Dec 13 02:36:05.139 INFO [stdout] 8df7c54ee66bc2cc597958d05032c4d0765e2b827067d90f5f73c5a10d8bd150
Dec 13 02:36:05.143 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 02:36:05.707 INFO [stdout] d9d43349a9474b7756ac4c7cb4e3d3ca42a7de5bab4aed05766f06822dd73d69
Dec 13 02:36:05.712 INFO running `"docker" "start" "-a" "d9d43349a9474b7756ac4c7cb4e3d3ca42a7de5bab4aed05766f06822dd73d69"`
Dec 13 02:36:06.891 INFO [stderr] usermod: no changes
Dec 13 02:36:07.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
Dec 13 02:36:07.075 INFO [stderr]      Running /target/debug/deps/covert_tcp-425fd32cf50eaebb
Dec 13 02:36:07.082 INFO [stdout] 
Dec 13 02:36:07.082 INFO [stdout] running 0 tests
Dec 13 02:36:07.082 INFO [stdout] 
Dec 13 02:36:07.082 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 02:36:07.082 INFO [stdout] 
Dec 13 02:36:07.083 INFO [stderr] su: No module specific data is present
Dec 13 02:36:07.891 INFO running `"docker" "inspect" "d9d43349a9474b7756ac4c7cb4e3d3ca42a7de5bab4aed05766f06822dd73d69"`
Dec 13 02:36:08.271 INFO running `"docker" "rm" "-f" "d9d43349a9474b7756ac4c7cb4e3d3ca42a7de5bab4aed05766f06822dd73d69"`
Dec 13 02:36:08.597 INFO [stdout] d9d43349a9474b7756ac4c7cb4e3d3ca42a7de5bab4aed05766f06822dd73d69