[INFO] cloning repository https://github.com/hedonhermdev/ping-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hedonhermdev/ping-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fping-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fping-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75cf60e144587cd0344f698b91f2894c8b4bb98d [INFO] testing hedonhermdev/ping-rs against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fping-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hedonhermdev/ping-rs on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hedonhermdev/ping-rs [INFO] finished tweaking git repo https://github.com/hedonhermdev/ping-rs [INFO] tweaked toml for git repo https://github.com/hedonhermdev/ping-rs written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/hedonhermdev/ping-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded socket2 v0.3.16 [INFO] [stderr] Downloaded pnet_datalink v0.26.0 [INFO] [stderr] Downloaded syntex_pos v0.42.0 [INFO] [stderr] Downloaded syntex_errors v0.42.0 [INFO] [stderr] Downloaded nix v0.19.0 [INFO] [stderr] Downloaded pnet_macros v0.26.0 [INFO] [stderr] Downloaded dns-lookup v1.0.5 [INFO] [stderr] Downloaded pnet_sys v0.26.0 [INFO] [stderr] Downloaded cc v1.0.63 [INFO] [stderr] Downloaded pnet_packet v0.26.0 [INFO] [stderr] Downloaded pnet v0.26.0 [INFO] [stderr] Downloaded ipnetwork v0.16.0 [INFO] [stderr] Downloaded pnet_macros_support v0.26.0 [INFO] [stderr] Downloaded pnet_base v0.26.0 [INFO] [stderr] Downloaded pnet_transport v0.26.0 [INFO] [stderr] Downloaded syntex_syntax v0.42.0 [INFO] [stderr] Downloaded bitflags v0.5.0 [INFO] [stderr] Downloaded unicode-xid v0.0.3 [INFO] [stderr] Downloaded syntex v0.42.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e440d7698b4cdf86fb7aebd7e3a53119a82ffbe5312af7f76ef02fd7e938355d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e440d7698b4cdf86fb7aebd7e3a53119a82ffbe5312af7f76ef02fd7e938355d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e440d7698b4cdf86fb7aebd7e3a53119a82ffbe5312af7f76ef02fd7e938355d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e440d7698b4cdf86fb7aebd7e3a53119a82ffbe5312af7f76ef02fd7e938355d", kill_on_drop: false }` [INFO] [stdout] e440d7698b4cdf86fb7aebd7e3a53119a82ffbe5312af7f76ef02fd7e938355d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ccb936c8b8fc5504f62fb9d6df97c7d1493d740063b8126a914c47a99c57027 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9ccb936c8b8fc5504f62fb9d6df97c7d1493d740063b8126a914c47a99c57027", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling pnet_base v0.26.0 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling pnet v0.26.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling pnet_macros_support v0.26.0 [INFO] [stderr] Compiling pnet_sys v0.26.0 [INFO] [stderr] Compiling socket2 v0.3.16 [INFO] [stderr] Compiling nix v0.19.0 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling dns-lookup v1.0.5 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling ipnetwork v0.16.0 [INFO] [stderr] Compiling pnet_datalink v0.26.0 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.26.0 [INFO] [stderr] Compiling pnet_packet v0.26.0 [INFO] [stderr] Compiling pnet_transport v0.26.0 [INFO] [stderr] Compiling pong v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `nix::sys::socket::InetAddr` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use nix::sys::socket::InetAddr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `MutablePacket` [INFO] [stdout] --> src/packet.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | use pnet::packet::{MutablePacket, Packet}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:141:5 [INFO] [stdout] | [INFO] [stdout] 82 | / loop { [INFO] [stdout] 83 | | let message = String::from("Hello world!").into_bytes(); [INFO] [stdout] 84 | | [INFO] [stdout] 85 | | let identifier: u16 = 0; [INFO] [stdout] ... | [INFO] [stdout] 138 | | sleep(Duration::from_secs(1)); [INFO] [stdout] 139 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 140 | [INFO] [stdout] 141 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packet.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut packet = MutableIpv4Packet::new(buf).expect("Unable to create ICMP packet"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ICMP_HEADER_LEN` [INFO] [stdout] --> src/packet.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | const ICMP_HEADER_LEN: usize = 8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ICMP_DATA_LEN` [INFO] [stdout] --> src/packet.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | const ICMP_DATA_LEN: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PACKET_BUF_LEN` [INFO] [stdout] --> src/packet.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | const PACKET_BUF_LEN: usize = ICMP_HEADER_LEN + ICMP_DATA_LEN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `icmp_data` [INFO] [stdout] --> src/packet.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | icmp_data: IcmpData, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/packet.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(buf: &'a mut[u8], icmp_data: IcmpData) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 31s [INFO] running `Command { std: "docker" "inspect" "9ccb936c8b8fc5504f62fb9d6df97c7d1493d740063b8126a914c47a99c57027", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ccb936c8b8fc5504f62fb9d6df97c7d1493d740063b8126a914c47a99c57027", kill_on_drop: false }` [INFO] [stdout] 9ccb936c8b8fc5504f62fb9d6df97c7d1493d740063b8126a914c47a99c57027 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f63ca79ab2be6861bc7adabb6d60adebf54d834586ecd569b918b244e985246d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f63ca79ab2be6861bc7adabb6d60adebf54d834586ecd569b918b244e985246d", kill_on_drop: false }` [INFO] [stderr] Compiling pong v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `nix::sys::socket::InetAddr` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use nix::sys::socket::InetAddr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `MutablePacket` [INFO] [stdout] --> src/packet.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | use pnet::packet::{MutablePacket, Packet}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:141:5 [INFO] [stdout] | [INFO] [stdout] 82 | / loop { [INFO] [stdout] 83 | | let message = String::from("Hello world!").into_bytes(); [INFO] [stdout] 84 | | [INFO] [stdout] 85 | | let identifier: u16 = 0; [INFO] [stdout] ... | [INFO] [stdout] 138 | | sleep(Duration::from_secs(1)); [INFO] [stdout] 139 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 140 | [INFO] [stdout] 141 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packet.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut packet = MutableIpv4Packet::new(buf).expect("Unable to create ICMP packet"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ICMP_HEADER_LEN` [INFO] [stdout] --> src/packet.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | const ICMP_HEADER_LEN: usize = 8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ICMP_DATA_LEN` [INFO] [stdout] --> src/packet.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | const ICMP_DATA_LEN: usize = 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PACKET_BUF_LEN` [INFO] [stdout] --> src/packet.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | const PACKET_BUF_LEN: usize = ICMP_HEADER_LEN + ICMP_DATA_LEN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `icmp_data` [INFO] [stdout] --> src/packet.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | icmp_data: IcmpData, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/packet.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(buf: &'a mut[u8], icmp_data: IcmpData) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.07s [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f63ca79ab2be6861bc7adabb6d60adebf54d834586ecd569b918b244e985246d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f63ca79ab2be6861bc7adabb6d60adebf54d834586ecd569b918b244e985246d", kill_on_drop: false }` [INFO] [stdout] f63ca79ab2be6861bc7adabb6d60adebf54d834586ecd569b918b244e985246d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 98c3faf2de15109ad8941af9e088cd11f07b011b06bf6a46a0c0e16d028b084c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "98c3faf2de15109ad8941af9e088cd11f07b011b06bf6a46a0c0e16d028b084c", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `nix::sys::socket::InetAddr` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use nix::sys::socket::InetAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `MutablePacket` [INFO] [stderr] --> src/packet.rs:3:20 [INFO] [stderr] | [INFO] [stderr] 3 | use pnet::packet::{MutablePacket, Packet}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 82 | / loop { [INFO] [stderr] 83 | | let message = String::from("Hello world!").into_bytes(); [INFO] [stderr] 84 | | [INFO] [stderr] 85 | | let identifier: u16 = 0; [INFO] [stderr] ... | [INFO] [stderr] 138 | | sleep(Duration::from_secs(1)); [INFO] [stderr] 139 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 140 | [INFO] [stderr] 141 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/packet.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | let mut packet = MutableIpv4Packet::new(buf).expect("Unable to create ICMP packet"); [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: constant is never used: `ICMP_HEADER_LEN` [INFO] [stderr] --> src/packet.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | const ICMP_HEADER_LEN: usize = 8; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `ICMP_DATA_LEN` [INFO] [stderr] --> src/packet.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | const ICMP_DATA_LEN: usize = 12; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `PACKET_BUF_LEN` [INFO] [stderr] --> src/packet.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | const PACKET_BUF_LEN: usize = ICMP_HEADER_LEN + ICMP_DATA_LEN; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `icmp_data` [INFO] [stderr] --> src/packet.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | icmp_data: IcmpData, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/packet.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn new(buf: &'a mut[u8], icmp_data: IcmpData) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/pong-06e4acae466a1db4 [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "98c3faf2de15109ad8941af9e088cd11f07b011b06bf6a46a0c0e16d028b084c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98c3faf2de15109ad8941af9e088cd11f07b011b06bf6a46a0c0e16d028b084c", kill_on_drop: false }` [INFO] [stdout] 98c3faf2de15109ad8941af9e088cd11f07b011b06bf6a46a0c0e16d028b084c