[INFO] cloning repository https://github.com/golddranks/dokidoki [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golddranks/dokidoki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fdokidoki", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fdokidoki'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3b615ca68ec9a1140ce3404041983d0dbbb974de [INFO] building golddranks/dokidoki against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fdokidoki" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to append to '/workspace/builds/worker-3-tc2/source/.git/logs/refs/remotes/origin/HEAD': No space left on device [INFO] [stderr] error: unable to write symref for refs/remotes/origin/HEAD: No space left on device [INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD [INFO] building golddranks/dokidoki against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fdokidoki" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to append to '/workspace/builds/worker-3-tc2/source/.git/logs/refs/remotes/origin/HEAD': No space left on device [INFO] [stderr] error: unable to write symref for refs/remotes/origin/HEAD: No space left on device [INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD [INFO] building golddranks/dokidoki against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fdokidoki" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/golddranks/dokidoki on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/golddranks/dokidoki [INFO] finished tweaking git repo https://github.com/golddranks/dokidoki [INFO] tweaked toml for git repo https://github.com/golddranks/dokidoki written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/golddranks/dokidoki 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] building golddranks/dokidoki against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fdokidoki" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/golddranks/dokidoki on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/golddranks/dokidoki [INFO] finished tweaking git repo https://github.com/golddranks/dokidoki [INFO] tweaked toml for git repo https://github.com/golddranks/dokidoki written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/golddranks/dokidoki 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 969d1cdbdd11e96cb77b1682f114c0100e8d59c493bea7fc751ac5fc225e70e5 [INFO] running `Command { std: "docker" "start" "-a" "969d1cdbdd11e96cb77b1682f114c0100e8d59c493bea7fc751ac5fc225e70e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "969d1cdbdd11e96cb77b1682f114c0100e8d59c493bea7fc751ac5fc225e70e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "969d1cdbdd11e96cb77b1682f114c0100e8d59c493bea7fc751ac5fc225e70e5", kill_on_drop: false }` [INFO] [stdout] 969d1cdbdd11e96cb77b1682f114c0100e8d59c493bea7fc751ac5fc225e70e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfbf85f49f0f40d213fb8c0f8d06698a1a84c4b87adc5e40994a9deee5151556 [INFO] running `Command { std: "docker" "start" "-a" "bfbf85f49f0f40d213fb8c0f8d06698a1a84c4b87adc5e40994a9deee5151556", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.187 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling no-std-net v0.6.0 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling pnet v0.34.0 [INFO] [stderr] Compiling pnet_base v0.34.0 [INFO] [stderr] Compiling pnet_macros_support v0.34.0 [INFO] [stderr] Compiling aho-corasick v1.0.4 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling pnet_sys v0.34.0 [INFO] [stderr] Compiling syn v2.0.29 [INFO] [stderr] Compiling regex-automata v0.3.6 [INFO] [stderr] Compiling serde_derive v1.0.187 [INFO] [stderr] Compiling regex v1.9.3 [INFO] [stderr] Compiling pnet_macros v0.34.0 [INFO] [stderr] Compiling pnet_packet v0.34.0 [INFO] [stderr] Compiling pnet_transport v0.34.0 [INFO] [stderr] Compiling argh_shared v0.1.12 [INFO] [stderr] Compiling ipnetwork v0.20.0 [INFO] [stderr] Compiling pnet_datalink v0.34.0 [INFO] [stderr] Compiling argh_derive v0.1.12 [INFO] [stderr] Compiling argh v0.1.12 [INFO] [stderr] Compiling dokidoki v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `str::from_utf8` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | str::from_utf8, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TransportReceiver` and `self` [INFO] [stdout] --> src/main.rs:11:47 [INFO] [stdout] | [INFO] [stdout] 11 | packet::{ip::IpNextHeaderProtocols, udp::{self, UdpPacket}, Packet}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | transport::{transport_channel, udp_packet_iter, TransportChannelType, TransportProtocol, TransportSender, TransportReceiver, UdpTrans... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:259:5 [INFO] [stdout] | [INFO] [stdout] 251 | / loop { [INFO] [stdout] 252 | | match logic(&mut state, Io::time()) { [INFO] [stdout] 253 | | IoOp::Log(msg) => io.log(msg), [INFO] [stdout] 254 | | IoOp::Resolve(dns, target) => *target = Io::resolve(dns).ok(), [INFO] [stdout] ... | [INFO] [stdout] 258 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 259 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Packet` [INFO] [stdout] --> src/main.rs:11:65 [INFO] [stdout] | [INFO] [stdout] 11 | packet::{ip::IpNextHeaderProtocols, udp::{self, UdpPacket}, Packet}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> src/main.rs:80:52 [INFO] [stdout] | [INFO] [stdout] 80 | fn logic<'a, 'state>(state: &'a mut State<'state>, time: Instant) -> IoOp<'a, 'state> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/main.rs:256:32 [INFO] [stdout] | [INFO] [stdout] 256 | IoOp::Receive(dur, target) => { io.receive(dur); }, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEF_MTU` is never used [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const DEF_MTU: usize = 1500; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Log`, `Resolve`, and `Send` are never constructed [INFO] [stdout] --> src/main.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 85 | enum IoOp<'a, 'state> { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 86 | Log(LogMsg), [INFO] [stdout] | ^^^ [INFO] [stdout] 87 | Resolve(&'a str, &'a mut Option), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 88 | Send(u8), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IoOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `peers`, `my_iface`, and `my_addr` are never read [INFO] [stdout] --> src/main.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 93 | struct State<'state> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 94 | peers: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 95 | my_iface: NetworkInterface, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 96 | my_addr: IpAddr, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sx` is never read [INFO] [stdout] --> src/main.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 100 | struct Io<'a> { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 101 | sx: TransportSender, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `SentRequest`, `ReceivedRequest`, `SentResponse`, `ReceivedResponse`, and `ResolvedDns` are never constructed [INFO] [stdout] --> src/main.rs:177:5 [INFO] [stdout] | [INFO] [stdout] 176 | enum LogMsg { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 177 | SentRequest(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 178 | ReceivedRequest(), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 179 | SentResponse(), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 180 | ReceivedResponse(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 181 | ResolvedDns(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LogMsg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `dns` and `addr` are never read [INFO] [stdout] --> src/main.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 201 | struct Peer { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 202 | dns: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 203 | addr: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Peer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:256:45 [INFO] [stdout] | [INFO] [stdout] 256 | IoOp::Receive(dur, target) => { io.receive(dur); }, [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] 256 | IoOp::Receive(dur, target) => { let _ = io.receive(dur); }, [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.14s [INFO] running `Command { std: "docker" "inspect" "bfbf85f49f0f40d213fb8c0f8d06698a1a84c4b87adc5e40994a9deee5151556", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfbf85f49f0f40d213fb8c0f8d06698a1a84c4b87adc5e40994a9deee5151556", kill_on_drop: false }` [INFO] [stdout] bfbf85f49f0f40d213fb8c0f8d06698a1a84c4b87adc5e40994a9deee5151556 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1b730b05277335966979c5fb2b02fb0e36793d58d61772a37546b025d01302d [INFO] running `Command { std: "docker" "start" "-a" "c1b730b05277335966979c5fb2b02fb0e36793d58d61772a37546b025d01302d", kill_on_drop: false }` [INFO] [stderr] Compiling dokidoki v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `str::from_utf8` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | str::from_utf8, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TransportReceiver` and `self` [INFO] [stdout] --> src/main.rs:11:47 [INFO] [stdout] | [INFO] [stdout] 11 | packet::{ip::IpNextHeaderProtocols, udp::{self, UdpPacket}, Packet}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | transport::{transport_channel, udp_packet_iter, TransportChannelType, TransportProtocol, TransportSender, TransportReceiver, UdpTrans... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:259:5 [INFO] [stdout] | [INFO] [stdout] 251 | / loop { [INFO] [stdout] 252 | | match logic(&mut state, Io::time()) { [INFO] [stdout] 253 | | IoOp::Log(msg) => io.log(msg), [INFO] [stdout] 254 | | IoOp::Resolve(dns, target) => *target = Io::resolve(dns).ok(), [INFO] [stdout] ... | [INFO] [stdout] 258 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 259 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Packet` [INFO] [stdout] --> src/main.rs:11:65 [INFO] [stdout] | [INFO] [stdout] 11 | packet::{ip::IpNextHeaderProtocols, udp::{self, UdpPacket}, Packet}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> src/main.rs:80:52 [INFO] [stdout] | [INFO] [stdout] 80 | fn logic<'a, 'state>(state: &'a mut State<'state>, time: Instant) -> IoOp<'a, 'state> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/main.rs:256:32 [INFO] [stdout] | [INFO] [stdout] 256 | IoOp::Receive(dur, target) => { io.receive(dur); }, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEF_MTU` is never used [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const DEF_MTU: usize = 1500; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Log`, `Resolve`, and `Send` are never constructed [INFO] [stdout] --> src/main.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 85 | enum IoOp<'a, 'state> { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 86 | Log(LogMsg), [INFO] [stdout] | ^^^ [INFO] [stdout] 87 | Resolve(&'a str, &'a mut Option), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 88 | Send(u8), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IoOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `peers`, `my_iface`, and `my_addr` are never read [INFO] [stdout] --> src/main.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 93 | struct State<'state> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 94 | peers: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 95 | my_iface: NetworkInterface, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 96 | my_addr: IpAddr, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sx` is never read [INFO] [stdout] --> src/main.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 100 | struct Io<'a> { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 101 | sx: TransportSender, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `SentRequest`, `ReceivedRequest`, `SentResponse`, `ReceivedResponse`, and `ResolvedDns` are never constructed [INFO] [stdout] --> src/main.rs:177:5 [INFO] [stdout] | [INFO] [stdout] 176 | enum LogMsg { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 177 | SentRequest(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 178 | ReceivedRequest(), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 179 | SentResponse(), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 180 | ReceivedResponse(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 181 | ResolvedDns(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LogMsg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `dns` and `addr` are never read [INFO] [stdout] --> src/main.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 201 | struct Peer { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 202 | dns: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 203 | addr: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Peer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:256:45 [INFO] [stdout] | [INFO] [stdout] 256 | IoOp::Receive(dur, target) => { io.receive(dur); }, [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] 256 | IoOp::Receive(dur, target) => { let _ = io.receive(dur); }, [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "c1b730b05277335966979c5fb2b02fb0e36793d58d61772a37546b025d01302d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1b730b05277335966979c5fb2b02fb0e36793d58d61772a37546b025d01302d", kill_on_drop: false }` [INFO] [stdout] c1b730b05277335966979c5fb2b02fb0e36793d58d61772a37546b025d01302d