[INFO] cloning repository https://github.com/parsa-poorsistani/rtcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parsa-poorsistani/rtcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparsa-poorsistani%2Frtcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparsa-poorsistani%2Frtcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 651a31f1875d1602d5d0ff30a8108b2956f093a7 [INFO] testing parsa-poorsistani/rtcp/651a31f1875d1602d5d0ff30a8108b2956f093a7 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparsa-poorsistani%2Frtcp" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/parsa-poorsistani/rtcp [INFO] finished tweaking git repo https://github.com/parsa-poorsistani/rtcp [INFO] tweaked toml for git repo https://github.com/parsa-poorsistani/rtcp written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/parsa-poorsistani/rtcp on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/parsa-poorsistani/rtcp 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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 tokio-reactor v0.1.12 [INFO] [stderr] Downloaded tokio-codec v0.1.2 [INFO] [stderr] Downloaded tokio-udp v0.1.6 [INFO] [stderr] Downloaded tokio-tcp v0.1.4 [INFO] [stderr] Downloaded tokio v0.1.22 [INFO] [stderr] Downloaded tokio-uds v0.2.7 [INFO] [stderr] Downloaded tokio-current-thread v0.1.7 [INFO] [stderr] Downloaded tokio-io v0.1.13 [INFO] [stderr] Downloaded tokio-threadpool v0.1.18 [INFO] [stderr] Downloaded tokio-core v0.1.18 [INFO] [stderr] Downloaded tun-tap v0.1.4 [INFO] [stderr] Downloaded tokio-fs v0.1.7 [INFO] [stderr] Downloaded nix v0.13.1 [INFO] [stderr] Downloaded crossbeam-deque v0.7.4 [INFO] [stderr] Downloaded parking_lot_core v0.6.3 [INFO] [stderr] Downloaded tokio-sync v0.1.8 [INFO] [stderr] Downloaded etherparse v0.14.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 67e7c1b6184d8fa98c1814d115376ac97cc44bbb8de6cb3ab7a1db0cc810c0af [INFO] running `Command { std: "docker" "start" "-a" "67e7c1b6184d8fa98c1814d115376ac97cc44bbb8de6cb3ab7a1db0cc810c0af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "67e7c1b6184d8fa98c1814d115376ac97cc44bbb8de6cb3ab7a1db0cc810c0af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67e7c1b6184d8fa98c1814d115376ac97cc44bbb8de6cb3ab7a1db0cc810c0af", kill_on_drop: false }` [INFO] [stdout] 67e7c1b6184d8fa98c1814d115376ac97cc44bbb8de6cb3ab7a1db0cc810c0af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 903a8b4e989cc5a1b687ad8e9d0e86bda2bf9e36dc5391f89b311d85854b00ac [INFO] running `Command { std: "docker" "start" "-a" "903a8b4e989cc5a1b687ad8e9d0e86bda2bf9e36dc5391f89b311d85854b00ac", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Compiling arrayvec v0.7.4 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling etherparse v0.14.2 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling tun-tap v0.1.4 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.18 [INFO] [stderr] Compiling rtcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tcp::State` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use tcp::State; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:510:25 [INFO] [stdout] | [INFO] [stdout] 510 | let mut srtt = &mut self.timers.srtt; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:375:9 [INFO] [stdout] | [INFO] [stdout] 375 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cm` [INFO] [stdout] --> src/lib.rs:271:13 [INFO] [stdout] | [INFO] [stdout] 271 | let cm = self.h.manager.lock().unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `how` [INFO] [stdout] --> src/lib.rs:278:28 [INFO] [stdout] | [INFO] [stdout] 278 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_how` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quad` [INFO] [stdout] --> src/lib.rs:297:13 [INFO] [stdout] | [INFO] [stdout] 297 | for quad in pending { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quad` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_synchorized` and `have_sent_fin` are never used [INFO] [stdout] --> src/tcp.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 27 | impl State { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 28 | fn is_synchorized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn have_sent_fin(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 95 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 103 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 104 | //segment sequence number used for last window update [INFO] [stdout] 105 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 106 | // segment acknowledgment number used for last window update [INFO] [stdout] 107 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up` and `irs` are never read [INFO] [stdout] --> src/tcp.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 124 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 131 | // initial receive sequence number [INFO] [stdout] 132 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:290:8 [INFO] [stdout] | [INFO] [stdout] 135 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 290 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | connection.on_tick(&mut nic); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = connection.on_tick(&mut nic); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | / self.ip [INFO] [stdout] 236 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 235 | let _ = self.ip [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | self.ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 241 | let _ = self.ip.write(&mut unwritten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 269 | let _ = self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | self.write(nic, self.send.nxt, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 309 | let _ = self.write(nic, self.send.nxt, 0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:437:13 [INFO] [stdout] | [INFO] [stdout] 437 | self.write(nic, self.send.nxt, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 437 | let _ = self.write(nic, self.send.nxt, 0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.45s [INFO] running `Command { std: "docker" "inspect" "903a8b4e989cc5a1b687ad8e9d0e86bda2bf9e36dc5391f89b311d85854b00ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "903a8b4e989cc5a1b687ad8e9d0e86bda2bf9e36dc5391f89b311d85854b00ac", kill_on_drop: false }` [INFO] [stdout] 903a8b4e989cc5a1b687ad8e9d0e86bda2bf9e36dc5391f89b311d85854b00ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e10301dafbff8bec718153d77029faa80a00f9178294b7844fea95efad00177 [INFO] running `Command { std: "docker" "start" "-a" "3e10301dafbff8bec718153d77029faa80a00f9178294b7844fea95efad00177", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `tcp::State` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use tcp::State; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:510:25 [INFO] [stdout] | [INFO] [stdout] 510 | let mut srtt = &mut self.timers.srtt; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:375:9 [INFO] [stdout] | [INFO] [stdout] 375 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cm` [INFO] [stdout] --> src/lib.rs:271:13 [INFO] [stdout] | [INFO] [stdout] 271 | let cm = self.h.manager.lock().unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `how` [INFO] [stdout] --> src/lib.rs:278:28 [INFO] [stdout] | [INFO] [stdout] 278 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_how` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quad` [INFO] [stdout] --> src/lib.rs:297:13 [INFO] [stdout] | [INFO] [stdout] 297 | for quad in pending { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quad` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_synchorized` and `have_sent_fin` are never used [INFO] [stdout] --> src/tcp.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 27 | impl State { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 28 | fn is_synchorized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn have_sent_fin(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 95 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 103 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 104 | //segment sequence number used for last window update [INFO] [stdout] 105 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 106 | // segment acknowledgment number used for last window update [INFO] [stdout] 107 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rtcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `up` and `irs` are never read [INFO] [stdout] --> src/tcp.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 124 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 131 | // initial receive sequence number [INFO] [stdout] 132 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:290:8 [INFO] [stdout] | [INFO] [stdout] 135 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 290 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | connection.on_tick(&mut nic); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = connection.on_tick(&mut nic); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | / self.ip [INFO] [stdout] 236 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 235 | let _ = self.ip [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | self.ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 241 | let _ = self.ip.write(&mut unwritten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 269 | let _ = self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | self.write(nic, self.send.nxt, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 309 | let _ = self.write(nic, self.send.nxt, 0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:437:13 [INFO] [stdout] | [INFO] [stdout] 437 | self.write(nic, self.send.nxt, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 437 | let _ = self.write(nic, self.send.nxt, 0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tcp::State` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use tcp::State; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:510:25 [INFO] [stdout] | [INFO] [stdout] 510 | let mut srtt = &mut self.timers.srtt; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:375:9 [INFO] [stdout] | [INFO] [stdout] 375 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cm` [INFO] [stdout] --> src/lib.rs:271:13 [INFO] [stdout] | [INFO] [stdout] 271 | let cm = self.h.manager.lock().unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `how` [INFO] [stdout] --> src/lib.rs:278:28 [INFO] [stdout] | [INFO] [stdout] 278 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_how` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `quad` [INFO] [stdout] --> src/lib.rs:297:13 [INFO] [stdout] | [INFO] [stdout] 297 | for quad in pending { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quad` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_synchorized` and `have_sent_fin` are never used [INFO] [stdout] --> src/tcp.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 27 | impl State { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 28 | fn is_synchorized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn have_sent_fin(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 95 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 103 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 104 | //segment sequence number used for last window update [INFO] [stdout] 105 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 106 | // segment acknowledgment number used for last window update [INFO] [stdout] 107 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up` and `irs` are never read [INFO] [stdout] --> src/tcp.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 124 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 131 | // initial receive sequence number [INFO] [stdout] 132 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:290:8 [INFO] [stdout] | [INFO] [stdout] 135 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 290 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | connection.on_tick(&mut nic); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = connection.on_tick(&mut nic); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | / self.ip [INFO] [stdout] 236 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stdout] | |__________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 235 | let _ = self.ip [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | self.ip.write(&mut unwritten); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 241 | let _ = self.ip.write(&mut unwritten); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 269 | let _ = self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | self.write(nic, self.send.nxt, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 309 | let _ = self.write(nic, self.send.nxt, 0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:437:13 [INFO] [stdout] | [INFO] [stdout] 437 | self.write(nic, self.send.nxt, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 437 | let _ = self.write(nic, self.send.nxt, 0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "3e10301dafbff8bec718153d77029faa80a00f9178294b7844fea95efad00177", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e10301dafbff8bec718153d77029faa80a00f9178294b7844fea95efad00177", kill_on_drop: false }` [INFO] [stdout] 3e10301dafbff8bec718153d77029faa80a00f9178294b7844fea95efad00177 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 64ed30d8a544dd88056ef5ecb12f77baf6fb71986c25429388bec8825d87fab9 [INFO] running `Command { std: "docker" "start" "-a" "64ed30d8a544dd88056ef5ecb12f77baf6fb71986c25429388bec8825d87fab9", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `tcp::State` [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use tcp::State; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/tcp.rs:140:9 [INFO] [stderr] | [INFO] [stderr] 140 | data: &'a [u8], [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tcp.rs:510:25 [INFO] [stderr] | [INFO] [stderr] 510 | let mut srtt = &mut self.timers.srtt; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iph` [INFO] [stderr] --> src/tcp.rs:375:9 [INFO] [stderr] | [INFO] [stderr] 375 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cm` [INFO] [stderr] --> src/lib.rs:271:13 [INFO] [stderr] | [INFO] [stderr] 271 | let cm = self.h.manager.lock().unwrap(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cm` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `how` [INFO] [stderr] --> src/lib.rs:278:28 [INFO] [stderr] | [INFO] [stderr] 278 | pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_how` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `quad` [INFO] [stderr] --> src/lib.rs:297:13 [INFO] [stderr] | [INFO] [stderr] 297 | for quad in pending { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_quad` [INFO] [stderr] [INFO] [stderr] warning: methods `is_synchorized` and `have_sent_fin` are never used [INFO] [stderr] --> src/tcp.rs:28:8 [INFO] [stderr] | [INFO] [stderr] 27 | impl State { [INFO] [stderr] | ---------- methods in this implementation [INFO] [stderr] 28 | fn is_synchorized(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 36 | fn have_sent_fin(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stderr] --> src/tcp.rs:103:5 [INFO] [stderr] | [INFO] [stderr] 95 | struct SendSequenceSpace { [INFO] [stderr] | ----------------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 103 | up: bool, [INFO] [stderr] | ^^ [INFO] [stderr] 104 | //segment sequence number used for last window update [INFO] [stderr] 105 | wl1: usize, [INFO] [stderr] | ^^^ [INFO] [stderr] 106 | // segment acknowledgment number used for last window update [INFO] [stderr] 107 | wl2: usize, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `up` and `irs` are never read [INFO] [stderr] --> src/tcp.rs:130:5 [INFO] [stderr] | [INFO] [stderr] 124 | struct RecvSequenceSpace { [INFO] [stderr] | ----------------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 130 | up: bool, [INFO] [stderr] | ^^ [INFO] [stderr] 131 | // initial receive sequence number [INFO] [stderr] 132 | irs: u32, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: method `send_rst` is never used [INFO] [stderr] --> src/tcp.rs:290:8 [INFO] [stderr] | [INFO] [stderr] 135 | impl Connection { [INFO] [stderr] | --------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 290 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:73:17 [INFO] [stderr] | [INFO] [stderr] 73 | connection.on_tick(&mut nic); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 73 | let _ = connection.on_tick(&mut nic); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:235:9 [INFO] [stderr] | [INFO] [stderr] 235 | / self.ip [INFO] [stderr] 236 | | .set_payload_len(size - self.ip.header_len() as usize); [INFO] [stderr] | |__________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 235 | let _ = self.ip [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:241:9 [INFO] [stderr] | [INFO] [stderr] 241 | self.ip.write(&mut unwritten); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 241 | let _ = self.ip.write(&mut unwritten); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:269:9 [INFO] [stderr] | [INFO] [stderr] 269 | self.tcp.write(&mut tcp_header_buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 269 | let _ = self.tcp.write(&mut tcp_header_buf); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:309:9 [INFO] [stderr] | [INFO] [stderr] 309 | self.write(nic, self.send.nxt, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 309 | let _ = self.write(nic, self.send.nxt, 0); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp.rs:437:13 [INFO] [stderr] | [INFO] [stderr] 437 | self.write(nic, self.send.nxt, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 437 | let _ = self.write(nic, self.send.nxt, 0); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rtcp` (lib) generated 17 warnings (run `cargo fix --lib -p rtcp` to apply 7 suggestions) [INFO] [stderr] warning: `rtcp` (lib test) generated 17 warnings (17 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rtcp-b721cd1a2d82b9d8) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rtcp-75eb7e7b86042533) [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] [stderr] Doc-tests rtcp [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" "64ed30d8a544dd88056ef5ecb12f77baf6fb71986c25429388bec8825d87fab9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64ed30d8a544dd88056ef5ecb12f77baf6fb71986c25429388bec8825d87fab9", kill_on_drop: false }` [INFO] [stdout] 64ed30d8a544dd88056ef5ecb12f77baf6fb71986c25429388bec8825d87fab9