[INFO] updating cached repository https://github.com/sourcepirate/covert_tcp [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] af27373d3c5f086d7c0e10a57d93615fcf992dfd [INFO] testing sourcepirate/covert_tcp against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsourcepirate%2Fcovert_tcp" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sourcepirate/covert_tcp on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sourcepirate/covert_tcp [INFO] finished tweaking git repo https://github.com/sourcepirate/covert_tcp [INFO] tweaked toml for git repo https://github.com/sourcepirate/covert_tcp written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/sourcepirate/covert_tcp already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 266de840eaf6850c5295ecf14c2d39a552d8440e81cd0056be159b70a3055ff0 [INFO] running `"docker" "start" "-a" "266de840eaf6850c5295ecf14c2d39a552d8440e81cd0056be159b70a3055ff0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pnet_base v0.21.0 [INFO] [stderr] Compiling ipnetwork v0.12.8 [INFO] [stderr] Compiling pnet v0.21.0 [INFO] [stderr] Compiling pnet_sys v0.21.0 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling pnet_macros_support v0.21.0 [INFO] [stderr] Compiling pnet_datalink v0.21.0 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling docopt v1.0.2 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.21.0 [INFO] [stderr] Compiling pnet_packet v0.21.0 [INFO] [stderr] Compiling pnet_transport v0.21.0 [INFO] [stderr] Compiling covert_tcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/packet.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | /// Building an IPV4 packet. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 67 | let mut ipv4_packet = MutableIpv4Packet::new(&mut buffer).unwrap(); [INFO] [stderr] | ------------------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/packet.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | /// Building an TCP packet [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 79 | / { [INFO] [stderr] 80 | | let mut tcp_packet = MutableTcpPacket::new(ipv4_packet.payload_mut()).unwrap(); [INFO] [stderr] 81 | | let tcp_header_len = match MutableTcpPacket::minimum_packet_size().checked_div(4) { [INFO] [stderr] 82 | | Some(l) => l as u8, [INFO] [stderr] ... | [INFO] [stderr] 91 | | tcp_packet.set_checksum(checksum); [INFO] [stderr] 92 | | }; [INFO] [stderr] | |_________- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused import: `EtherTypes` [INFO] [stderr] --> src/sniffer.rs:3:30 [INFO] [stderr] | [INFO] [stderr] 3 | use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Packet` [INFO] [stderr] --> src/sniffer.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use pnet::packet::icmpv6::Icmpv6Packet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `IpNextHeaderProtocol`, `IpNextHeaderProtocols` [INFO] [stderr] --> src/sniffer.rs:5:24 [INFO] [stderr] | [INFO] [stderr] 5 | use pnet::packet::ip::{IpNextHeaderProtocol, IpNextHeaderProtocols}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::ipv6::Ipv6Packet` [INFO] [stderr] --> src/sniffer.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use pnet::packet::ipv6::Ipv6Packet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::tcp::TcpPacket` [INFO] [stderr] --> src/sniffer.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use pnet::packet::tcp::TcpPacket; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::util::MacAddr` [INFO] [stderr] --> src/sniffer.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use pnet::util::MacAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> src/sniffer.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::IpAddr` [INFO] [stderr] --> src/sniffer.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::net::IpAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/sniffer.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 62 | / loop { [INFO] [stderr] 63 | | let mut buf: [u8; 1600] = [0u8; 1600]; [INFO] [stderr] 64 | | let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap(); [INFO] [stderr] 65 | | match rx.next() { [INFO] [stderr] ... | [INFO] [stderr] 70 | | } [INFO] [stderr] 71 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 72 | [INFO] [stderr] 73 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/sniffer.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | Err(e) => return Err(ReciverError::PacketError), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `fake_ethernet_frame` [INFO] [stderr] --> src/sniffer.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fake_ethernet_frame` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let mut relative_path: PathBuf; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut file = File::open(relative_path).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sniffer.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `rx` [INFO] [stderr] --> src/packet.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | rx: TransportReceiver, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `packets` [INFO] [stderr] --> src/packet.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn packets(&mut self) -> Ipv4TransportChannelIterator { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `recv` [INFO] [stderr] --> src/packet.rs:97:12 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn recv(&mut self) -> () { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | sniff.recv(); [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: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 03s [INFO] running `"docker" "inspect" "266de840eaf6850c5295ecf14c2d39a552d8440e81cd0056be159b70a3055ff0"` [INFO] running `"docker" "rm" "-f" "266de840eaf6850c5295ecf14c2d39a552d8440e81cd0056be159b70a3055ff0"` [INFO] [stdout] 266de840eaf6850c5295ecf14c2d39a552d8440e81cd0056be159b70a3055ff0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dabf19b15e4c64ff3596bc8310c302006c65d7c25f111fea3dc8a651f46d1a08 [INFO] running `"docker" "start" "-a" "dabf19b15e4c64ff3596bc8310c302006c65d7c25f111fea3dc8a651f46d1a08"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling covert_tcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/packet.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | /// Building an IPV4 packet. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 67 | let mut ipv4_packet = MutableIpv4Packet::new(&mut buffer).unwrap(); [INFO] [stderr] | ------------------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/packet.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | /// Building an TCP packet [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 79 | / { [INFO] [stderr] 80 | | let mut tcp_packet = MutableTcpPacket::new(ipv4_packet.payload_mut()).unwrap(); [INFO] [stderr] 81 | | let tcp_header_len = match MutableTcpPacket::minimum_packet_size().checked_div(4) { [INFO] [stderr] 82 | | Some(l) => l as u8, [INFO] [stderr] ... | [INFO] [stderr] 91 | | tcp_packet.set_checksum(checksum); [INFO] [stderr] 92 | | }; [INFO] [stderr] | |_________- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused import: `EtherTypes` [INFO] [stderr] --> src/sniffer.rs:3:30 [INFO] [stderr] | [INFO] [stderr] 3 | use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Packet` [INFO] [stderr] --> src/sniffer.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use pnet::packet::icmpv6::Icmpv6Packet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `IpNextHeaderProtocol`, `IpNextHeaderProtocols` [INFO] [stderr] --> src/sniffer.rs:5:24 [INFO] [stderr] | [INFO] [stderr] 5 | use pnet::packet::ip::{IpNextHeaderProtocol, IpNextHeaderProtocols}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::ipv6::Ipv6Packet` [INFO] [stderr] --> src/sniffer.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use pnet::packet::ipv6::Ipv6Packet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::tcp::TcpPacket` [INFO] [stderr] --> src/sniffer.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use pnet::packet::tcp::TcpPacket; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::util::MacAddr` [INFO] [stderr] --> src/sniffer.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use pnet::util::MacAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> src/sniffer.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::IpAddr` [INFO] [stderr] --> src/sniffer.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::net::IpAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/sniffer.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 62 | / loop { [INFO] [stderr] 63 | | let mut buf: [u8; 1600] = [0u8; 1600]; [INFO] [stderr] 64 | | let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap(); [INFO] [stderr] 65 | | match rx.next() { [INFO] [stderr] ... | [INFO] [stderr] 70 | | } [INFO] [stderr] 71 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 72 | [INFO] [stderr] 73 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/sniffer.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | Err(e) => return Err(ReciverError::PacketError), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `fake_ethernet_frame` [INFO] [stderr] --> src/sniffer.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fake_ethernet_frame` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let mut relative_path: PathBuf; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut file = File::open(relative_path).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sniffer.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `rx` [INFO] [stderr] --> src/packet.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | rx: TransportReceiver, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `packets` [INFO] [stderr] --> src/packet.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn packets(&mut self) -> Ipv4TransportChannelIterator { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `recv` [INFO] [stderr] --> src/packet.rs:97:12 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn recv(&mut self) -> () { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | sniff.recv(); [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: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `"docker" "inspect" "dabf19b15e4c64ff3596bc8310c302006c65d7c25f111fea3dc8a651f46d1a08"` [INFO] running `"docker" "rm" "-f" "dabf19b15e4c64ff3596bc8310c302006c65d7c25f111fea3dc8a651f46d1a08"` [INFO] [stdout] dabf19b15e4c64ff3596bc8310c302006c65d7c25f111fea3dc8a651f46d1a08 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 06fa5e2abeae5a9ac6a7a6535750d4794ebbaf418c2ea16efc1cb912535f8f99 [INFO] running `"docker" "start" "-a" "06fa5e2abeae5a9ac6a7a6535750d4794ebbaf418c2ea16efc1cb912535f8f99"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/packet.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | /// Building an IPV4 packet. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 67 | let mut ipv4_packet = MutableIpv4Packet::new(&mut buffer).unwrap(); [INFO] [stderr] | ------------------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/packet.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | /// Building an TCP packet [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 79 | / { [INFO] [stderr] 80 | | let mut tcp_packet = MutableTcpPacket::new(ipv4_packet.payload_mut()).unwrap(); [INFO] [stderr] 81 | | let tcp_header_len = match MutableTcpPacket::minimum_packet_size().checked_div(4) { [INFO] [stderr] 82 | | Some(l) => l as u8, [INFO] [stderr] ... | [INFO] [stderr] 91 | | tcp_packet.set_checksum(checksum); [INFO] [stderr] 92 | | }; [INFO] [stderr] | |_________- rustdoc does not generate documentation for expressions [INFO] [stderr] [INFO] [stderr] warning: unused import: `EtherTypes` [INFO] [stderr] --> src/sniffer.rs:3:30 [INFO] [stderr] | [INFO] [stderr] 3 | use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Packet` [INFO] [stderr] --> src/sniffer.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use pnet::packet::icmpv6::Icmpv6Packet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `IpNextHeaderProtocol`, `IpNextHeaderProtocols` [INFO] [stderr] --> src/sniffer.rs:5:24 [INFO] [stderr] | [INFO] [stderr] 5 | use pnet::packet::ip::{IpNextHeaderProtocol, IpNextHeaderProtocols}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::ipv6::Ipv6Packet` [INFO] [stderr] --> src/sniffer.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use pnet::packet::ipv6::Ipv6Packet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::tcp::TcpPacket` [INFO] [stderr] --> src/sniffer.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use pnet::packet::tcp::TcpPacket; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::util::MacAddr` [INFO] [stderr] --> src/sniffer.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use pnet::util::MacAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> src/sniffer.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::IpAddr` [INFO] [stderr] --> src/sniffer.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::net::IpAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/sniffer.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 62 | / loop { [INFO] [stderr] 63 | | let mut buf: [u8; 1600] = [0u8; 1600]; [INFO] [stderr] 64 | | let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap(); [INFO] [stderr] 65 | | match rx.next() { [INFO] [stderr] ... | [INFO] [stderr] 70 | | } [INFO] [stderr] 71 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 72 | [INFO] [stderr] 73 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/sniffer.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | Err(e) => return Err(ReciverError::PacketError), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `fake_ethernet_frame` [INFO] [stderr] --> src/sniffer.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fake_ethernet_frame` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let mut relative_path: PathBuf; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut file = File::open(relative_path).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sniffer.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | let mut fake_ethernet_frame = MutableEthernetPacket::new(&mut buf[..]).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `rx` [INFO] [stderr] --> src/packet.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | rx: TransportReceiver, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `packets` [INFO] [stderr] --> src/packet.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn packets(&mut self) -> Ipv4TransportChannelIterator { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `recv` [INFO] [stderr] --> src/packet.rs:97:12 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn recv(&mut self) -> () { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | sniff.recv(); [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: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/covert_tcp-d87d8d19dcde8f5f [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" "06fa5e2abeae5a9ac6a7a6535750d4794ebbaf418c2ea16efc1cb912535f8f99"` [INFO] running `"docker" "rm" "-f" "06fa5e2abeae5a9ac6a7a6535750d4794ebbaf418c2ea16efc1cb912535f8f99"` [INFO] [stdout] 06fa5e2abeae5a9ac6a7a6535750d4794ebbaf418c2ea16efc1cb912535f8f99