[INFO] cloning repository https://github.com/eval-exec/traceroute [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eval-exec/traceroute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feval-exec%2Ftraceroute", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feval-exec%2Ftraceroute'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 721a254c5b6c453ecdf51804b804d684a78721c0 [INFO] testing eval-exec/traceroute against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feval-exec%2Ftraceroute" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/eval-exec/traceroute [INFO] finished tweaking git repo https://github.com/eval-exec/traceroute [INFO] tweaked toml for git repo https://github.com/eval-exec/traceroute written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/eval-exec/traceroute on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/eval-exec/traceroute already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pnet_transport v0.31.0 [INFO] [stderr] Downloaded ipnetwork v0.19.0 [INFO] [stderr] Downloaded pnet_base v0.31.0 [INFO] [stderr] Downloaded pnet_datalink v0.31.0 [INFO] [stderr] Downloaded dns-lookup v1.0.8 [INFO] [stderr] Downloaded pnet v0.31.0 [INFO] [stderr] Downloaded pnet_macros v0.31.0 [INFO] [stderr] Downloaded pnet_packet v0.31.0 [INFO] [stderr] Downloaded pnet_macros_support v0.31.0 [INFO] [stderr] Downloaded pnet_sys v0.31.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4f524e9841fb4a7cb08948522cf2a3f7ab61fe13d324f6510855935b43467c5 [INFO] running `Command { std: "docker" "start" "-a" "e4f524e9841fb4a7cb08948522cf2a3f7ab61fe13d324f6510855935b43467c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4f524e9841fb4a7cb08948522cf2a3f7ab61fe13d324f6510855935b43467c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4f524e9841fb4a7cb08948522cf2a3f7ab61fe13d324f6510855935b43467c5", kill_on_drop: false }` [INFO] [stdout] e4f524e9841fb4a7cb08948522cf2a3f7ab61fe13d324f6510855935b43467c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4039b8d253a52f93078d27844cc0d45c61533b983a5fd213136cbc46e45fe718 [INFO] running `Command { std: "docker" "start" "-a" "4039b8d253a52f93078d27844cc0d45c61533b983a5fd213136cbc46e45fe718", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling no-std-net v0.6.0 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling pnet v0.31.0 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Compiling pnet_base v0.31.0 [INFO] [stderr] Compiling pnet_macros_support v0.31.0 [INFO] [stderr] Compiling pnet_sys v0.31.0 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling dns-lookup v1.0.8 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling ipnetwork v0.19.0 [INFO] [stderr] Compiling pnet_datalink v0.31.0 [INFO] [stderr] Compiling pnet_macros v0.31.0 [INFO] [stderr] Compiling pnet_packet v0.31.0 [INFO] [stderr] Compiling pnet_transport v0.31.0 [INFO] [stderr] Compiling vtraceroute v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `net::IpAddr` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | net::IpAddr, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pnet::packet::icmpv6::Icmpv6Types` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use pnet::packet::icmpv6::Icmpv6Types; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reply` [INFO] [stdout] --> src/main.rs:105:37 [INFO] [stdout] | [INFO] [stdout] 105 | ... let reply = TimeExceededPacket::new(packet.packet()).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_reply` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reply` [INFO] [stdout] --> src/main.rs:163:37 [INFO] [stdout] | [INFO] [stdout] 163 | ... let reply = TimeExceededPacket::new(packet.packet()).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_reply` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | tx.set_ttl(ttl); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 64 | let _ = tx.set_ttl(ttl); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:215:18 [INFO] [stdout] | [INFO] [stdout] 215 | icmp_header: &mut [u8], [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 216 | seq: u8, [INFO] [stdout] 217 | ) -> icmp::echo_request::MutableEchoRequestPacket { [INFO] [stdout] | -------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 217 | ) -> icmp::echo_request::MutableEchoRequestPacket<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:230:18 [INFO] [stdout] | [INFO] [stdout] 230 | icmp_header: &mut [u8], [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 231 | seq: u8, [INFO] [stdout] 232 | ) -> icmpv6::echo_request::MutableEchoRequestPacket { [INFO] [stdout] | ---------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 232 | ) -> icmpv6::echo_request::MutableEchoRequestPacket<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.76s [INFO] running `Command { std: "docker" "inspect" "4039b8d253a52f93078d27844cc0d45c61533b983a5fd213136cbc46e45fe718", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4039b8d253a52f93078d27844cc0d45c61533b983a5fd213136cbc46e45fe718", kill_on_drop: false }` [INFO] [stdout] 4039b8d253a52f93078d27844cc0d45c61533b983a5fd213136cbc46e45fe718 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 68fa01fea8f7b0ced9da7c5e3d5171b165f794ddd58170c7d62f6b8b180e3362 [INFO] running `Command { std: "docker" "start" "-a" "68fa01fea8f7b0ced9da7c5e3d5171b165f794ddd58170c7d62f6b8b180e3362", kill_on_drop: false }` [INFO] [stderr] Compiling vtraceroute v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `net::IpAddr` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | net::IpAddr, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pnet::packet::icmpv6::Icmpv6Types` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use pnet::packet::icmpv6::Icmpv6Types; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reply` [INFO] [stdout] --> src/main.rs:105:37 [INFO] [stdout] | [INFO] [stdout] 105 | ... let reply = TimeExceededPacket::new(packet.packet()).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_reply` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reply` [INFO] [stdout] --> src/main.rs:163:37 [INFO] [stdout] | [INFO] [stdout] 163 | ... let reply = TimeExceededPacket::new(packet.packet()).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_reply` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | tx.set_ttl(ttl); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 64 | let _ = tx.set_ttl(ttl); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:215:18 [INFO] [stdout] | [INFO] [stdout] 215 | icmp_header: &mut [u8], [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 216 | seq: u8, [INFO] [stdout] 217 | ) -> icmp::echo_request::MutableEchoRequestPacket { [INFO] [stdout] | -------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 217 | ) -> icmp::echo_request::MutableEchoRequestPacket<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:230:18 [INFO] [stdout] | [INFO] [stdout] 230 | icmp_header: &mut [u8], [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 231 | seq: u8, [INFO] [stdout] 232 | ) -> icmpv6::echo_request::MutableEchoRequestPacket { [INFO] [stdout] | ---------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 232 | ) -> icmpv6::echo_request::MutableEchoRequestPacket<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "68fa01fea8f7b0ced9da7c5e3d5171b165f794ddd58170c7d62f6b8b180e3362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68fa01fea8f7b0ced9da7c5e3d5171b165f794ddd58170c7d62f6b8b180e3362", kill_on_drop: false }` [INFO] [stdout] 68fa01fea8f7b0ced9da7c5e3d5171b165f794ddd58170c7d62f6b8b180e3362 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 736faa78e0b01c7cb0779a52088d9154d5422404043fc8928533fd28fd5d7a0b [INFO] running `Command { std: "docker" "start" "-a" "736faa78e0b01c7cb0779a52088d9154d5422404043fc8928533fd28fd5d7a0b", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `net::IpAddr` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | net::IpAddr, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `pnet::packet::icmpv6::Icmpv6Types` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use pnet::packet::icmpv6::Icmpv6Types; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reply` [INFO] [stderr] --> src/main.rs:105:37 [INFO] [stderr] | [INFO] [stderr] 105 | ... let reply = TimeExceededPacket::new(packet.packet()).unwrap(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_reply` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reply` [INFO] [stderr] --> src/main.rs:163:37 [INFO] [stderr] | [INFO] [stderr] 163 | ... let reply = TimeExceededPacket::new(packet.packet()).unwrap(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_reply` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:64:13 [INFO] [stderr] | [INFO] [stderr] 64 | tx.set_ttl(ttl); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 64 | let _ = tx.set_ttl(ttl); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/main.rs:215:18 [INFO] [stderr] | [INFO] [stderr] 215 | icmp_header: &mut [u8], [INFO] [stderr] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stderr] 216 | seq: u8, [INFO] [stderr] 217 | ) -> icmp::echo_request::MutableEchoRequestPacket { [INFO] [stderr] | -------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 217 | ) -> icmp::echo_request::MutableEchoRequestPacket<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/main.rs:230:18 [INFO] [stderr] | [INFO] [stderr] 230 | icmp_header: &mut [u8], [INFO] [stderr] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stderr] 231 | seq: u8, [INFO] [stderr] 232 | ) -> icmpv6::echo_request::MutableEchoRequestPacket { [INFO] [stderr] | ---------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 232 | ) -> icmpv6::echo_request::MutableEchoRequestPacket<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `vtraceroute` (bin "vtraceroute" test) generated 7 warnings (run `cargo fix --bin "vtraceroute" --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/vtraceroute-3909f0ec992f2263) [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" "736faa78e0b01c7cb0779a52088d9154d5422404043fc8928533fd28fd5d7a0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "736faa78e0b01c7cb0779a52088d9154d5422404043fc8928533fd28fd5d7a0b", kill_on_drop: false }` [INFO] [stdout] 736faa78e0b01c7cb0779a52088d9154d5422404043fc8928533fd28fd5d7a0b