[INFO] cloning repository https://github.com/zinsoldat/rna [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zinsoldat/rna" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzinsoldat%2Frna", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzinsoldat%2Frna'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 12aa1ece07ff0ea3f6f7f1bee484342a2d2c8db2 [INFO] testing zinsoldat/rna against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzinsoldat%2Frna" "/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/zinsoldat/rna on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zinsoldat/rna [INFO] finished tweaking git repo https://github.com/zinsoldat/rna [INFO] tweaked toml for git repo https://github.com/zinsoldat/rna written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/zinsoldat/rna already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4c095931ca77ba0318a019685a3ad4592fa3b8075790d872492a945d2beaddd [INFO] running `Command { std: "docker" "start" "-a" "f4c095931ca77ba0318a019685a3ad4592fa3b8075790d872492a945d2beaddd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4c095931ca77ba0318a019685a3ad4592fa3b8075790d872492a945d2beaddd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4c095931ca77ba0318a019685a3ad4592fa3b8075790d872492a945d2beaddd", kill_on_drop: false }` [INFO] [stdout] f4c095931ca77ba0318a019685a3ad4592fa3b8075790d872492a945d2beaddd [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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1911c9eae8ca2759f2742392a8887352a8d28e25544a1f8dc5f3d6fab9d6c2f [INFO] running `Command { std: "docker" "start" "-a" "e1911c9eae8ca2759f2742392a8887352a8d28e25544a1f8dc5f3d6fab9d6c2f", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling glob v0.2.11 [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 log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling pnet_sys v0.21.0 [INFO] [stderr] Compiling pnet_macros_support v0.21.0 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling pnet_datalink v0.21.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [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 rna v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `IPV4_HEADER_LENGTH` [INFO] [stdout] --> src/network.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | const IPV4_HEADER_LENGTH: u8 = 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `traceroute` [INFO] [stdout] --> src/network.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn traceroute(address: net::Ipv4Addr) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `PingResult` [INFO] [stdout] --> src/network.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct PingResult { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ping` [INFO] [stdout] --> src/network.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn ping(address: net::Ipv4Addr, ttl: u8) -> io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_icmp_packet` [INFO] [stdout] --> src/network.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn create_icmp_packet(icmp_buffer: & mut [u8]) -> MutableEchoRequestPacket { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_ipv4_packet` [INFO] [stdout] --> src/network.rs:124:4 [INFO] [stdout] | [INFO] [stdout] 124 | fn create_ipv4_packet<'a>(ip_buffer: &'a mut [u8], address: net::Ipv4Addr, ttl: u8, payload: &'a[u8]) -> MutableIpv4Packet<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/network.rs:31:25 [INFO] [stdout] | [INFO] [stdout] 31 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 31 | panic!("{}", err) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 31 | std::panic::panic_any(err) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/network.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 78 | panic!("{}", err) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 78 | std::panic::panic_any(err) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/network.rs:88:14 [INFO] [stdout] | [INFO] [stdout] 88 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 88 | panic!("{}", err) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 88 | std::panic::panic_any(err) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/network.rs:95:14 [INFO] [stdout] | [INFO] [stdout] 95 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 95 | panic!("{}", err) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 95 | std::panic::panic_any(err) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.50s [INFO] running `Command { std: "docker" "inspect" "e1911c9eae8ca2759f2742392a8887352a8d28e25544a1f8dc5f3d6fab9d6c2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1911c9eae8ca2759f2742392a8887352a8d28e25544a1f8dc5f3d6fab9d6c2f", kill_on_drop: false }` [INFO] [stdout] e1911c9eae8ca2759f2742392a8887352a8d28e25544a1f8dc5f3d6fab9d6c2f [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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03b2a6b423866c6bf552e488b574792ce49cf79034c85d93521074c969a8bab7 [INFO] running `Command { std: "docker" "start" "-a" "03b2a6b423866c6bf552e488b574792ce49cf79034c85d93521074c969a8bab7", kill_on_drop: false }` [INFO] [stderr] Compiling rna v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `IPV4_HEADER_LENGTH` [INFO] [stdout] --> src/network.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | const IPV4_HEADER_LENGTH: u8 = 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `traceroute` [INFO] [stdout] --> src/network.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn traceroute(address: net::Ipv4Addr) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `PingResult` [INFO] [stdout] --> src/network.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct PingResult { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ping` [INFO] [stdout] --> src/network.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn ping(address: net::Ipv4Addr, ttl: u8) -> io::Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_icmp_packet` [INFO] [stdout] --> src/network.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn create_icmp_packet(icmp_buffer: & mut [u8]) -> MutableEchoRequestPacket { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_ipv4_packet` [INFO] [stdout] --> src/network.rs:124:4 [INFO] [stdout] | [INFO] [stdout] 124 | fn create_ipv4_packet<'a>(ip_buffer: &'a mut [u8], address: net::Ipv4Addr, ttl: u8, payload: &'a[u8]) -> MutableIpv4Packet<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/network.rs:31:25 [INFO] [stdout] | [INFO] [stdout] 31 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 31 | panic!("{}", err) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 31 | std::panic::panic_any(err) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/network.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 78 | panic!("{}", err) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 78 | std::panic::panic_any(err) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/network.rs:88:14 [INFO] [stdout] | [INFO] [stdout] 88 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 88 | panic!("{}", err) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 88 | std::panic::panic_any(err) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/network.rs:95:14 [INFO] [stdout] | [INFO] [stdout] 95 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 95 | panic!("{}", err) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 95 | std::panic::panic_any(err) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "03b2a6b423866c6bf552e488b574792ce49cf79034c85d93521074c969a8bab7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03b2a6b423866c6bf552e488b574792ce49cf79034c85d93521074c969a8bab7", kill_on_drop: false }` [INFO] [stdout] 03b2a6b423866c6bf552e488b574792ce49cf79034c85d93521074c969a8bab7 [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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fd1b1325904ab21ca6273d9d433e4d382669c1171ad19ad86a43b56aae9fcfcd [INFO] running `Command { std: "docker" "start" "-a" "fd1b1325904ab21ca6273d9d433e4d382669c1171ad19ad86a43b56aae9fcfcd", kill_on_drop: false }` [INFO] [stderr] warning: constant is never used: `IPV4_HEADER_LENGTH` [INFO] [stderr] --> src/network.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | const IPV4_HEADER_LENGTH: u8 = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `traceroute` [INFO] [stderr] --> src/network.rs:20:8 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn traceroute(address: net::Ipv4Addr) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PingResult` [INFO] [stderr] --> src/network.rs:57:12 [INFO] [stderr] | [INFO] [stderr] 57 | pub struct PingResult { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `ping` [INFO] [stderr] --> src/network.rs:62:8 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn ping(address: net::Ipv4Addr, ttl: u8) -> io::Result { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_icmp_packet` [INFO] [stderr] --> src/network.rs:106:4 [INFO] [stderr] | [INFO] [stderr] 106 | fn create_icmp_packet(icmp_buffer: & mut [u8]) -> MutableEchoRequestPacket { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_ipv4_packet` [INFO] [stderr] --> src/network.rs:124:4 [INFO] [stderr] | [INFO] [stderr] 124 | fn create_ipv4_packet<'a>(ip_buffer: &'a mut [u8], address: net::Ipv4Addr, ttl: u8, payload: &'a[u8]) -> MutableIpv4Packet<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/network.rs:31:25 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 31 | panic!(err) [INFO] [stdout] [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stderr] = note: this is no longer accepted in Rust 2021 [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 31 | panic!("{}", err) [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 31 | std::panic::panic_any(err) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/network.rs:78:14 [INFO] [stderr] | [INFO] [stderr] 78 | panic!(err) [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: this is no longer accepted in Rust 2021 [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 78 | panic!("{}", err) [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 78 | std::panic::panic_any(err) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/network.rs:88:14 [INFO] [stderr] | [INFO] [stderr] 88 | panic!(err) [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: this is no longer accepted in Rust 2021 [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 88 | panic!("{}", err) [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 88 | std::panic::panic_any(err) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/network.rs:95:14 [INFO] [stderr] | [INFO] [stderr] 95 | panic!(err) [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: this is no longer accepted in Rust 2021 [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 95 | panic!("{}", err) [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 95 | std::panic::panic_any(err) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rna-630b1534be8ef3aa) [INFO] running `Command { std: "docker" "inspect" "fd1b1325904ab21ca6273d9d433e4d382669c1171ad19ad86a43b56aae9fcfcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd1b1325904ab21ca6273d9d433e4d382669c1171ad19ad86a43b56aae9fcfcd", kill_on_drop: false }` [INFO] [stdout] fd1b1325904ab21ca6273d9d433e4d382669c1171ad19ad86a43b56aae9fcfcd