[INFO] cloning repository https://github.com/prime73num/rust_tcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prime73num/rust_tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprime73num%2Frust_tcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprime73num%2Frust_tcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d8414ee91722658e2bca43e4494a666c08211b66 [INFO] checking prime73num/rust_tcp against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprime73num%2Frust_tcp" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/prime73num/rust_tcp on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/prime73num/rust_tcp [INFO] finished tweaking git repo https://github.com/prime73num/rust_tcp [INFO] tweaked toml for git repo https://github.com/prime73num/rust_tcp written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/prime73num/rust_tcp 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tun-tap v0.1.2 [INFO] [stderr] Downloaded unicode-ident v1.0.1 [INFO] [stderr] Downloaded managed v0.8.0 [INFO] [stderr] Downloaded etherparse v0.10.1 [INFO] [stderr] Downloaded tokio-tun v0.5.3 [INFO] [stderr] Downloaded nix v0.13.1 [INFO] [stderr] Downloaded smoltcp v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 761846c52216e4984282e06cd96b12702e950e52b843c391d93c60e169c29749 [INFO] running `Command { std: "docker" "start" "-a" "761846c52216e4984282e06cd96b12702e950e52b843c391d93c60e169c29749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "761846c52216e4984282e06cd96b12702e950e52b843c391d93c60e169c29749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "761846c52216e4984282e06cd96b12702e950e52b843c391d93c60e169c29749", kill_on_drop: false }` [INFO] [stdout] 761846c52216e4984282e06cd96b12702e950e52b843c391d93c60e169c29749 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5458ed758577f7c40173cae741bdafa48fd484a7585663f18cc3734b4d1ed2b [INFO] running `Command { std: "docker" "start" "-a" "b5458ed758577f7c40173cae741bdafa48fd484a7585663f18cc3734b4d1ed2b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Checking managed v0.8.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking etherparse v0.10.1 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking parking_lot_core v0.9.3 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Checking smoltcp v0.8.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-tun v0.5.3 [INFO] [stderr] Checking TCPstack v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `ConnectionPool_inner` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct ConnectionPool_inner { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectionPoolInner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated type alias `etherparse::IpTrafficClass`: Please use the type IpNumber instead [INFO] [stdout] --> src/tcp.rs:167:29 [INFO] [stdout] | [INFO] [stdout] 167 | etherparse::IpTrafficClass::Tcp, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `ConnectionPool_inner` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct ConnectionPool_inner { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConnectionPoolInner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/lib.rs:259:9 [INFO] [stdout] | [INFO] [stdout] 259 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated type alias `etherparse::IpTrafficClass`: Please use the type IpNumber instead [INFO] [stdout] --> src/tcp.rs:167:29 [INFO] [stdout] | [INFO] [stdout] 167 | etherparse::IpTrafficClass::Tcp, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:137:5 [INFO] [stdout] | [INFO] [stdout] 132 | / loop { [INFO] [stdout] 133 | | if let Err(e) = try_recv() { [INFO] [stdout] 134 | | // println!("Skip because of {}", &e); [INFO] [stdout] 135 | | } [INFO] [stdout] 136 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 137 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/tcp.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 133 | let buf = [0u8; 1500]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:382:9 [INFO] [stdout] | [INFO] [stdout] 382 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:474:25 [INFO] [stdout] | [INFO] [stdout] 474 | 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:133:20 [INFO] [stdout] | [INFO] [stdout] 133 | if let Err(e) = try_recv() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/lib.rs:115:21 [INFO] [stdout] | [INFO] [stdout] 115 | let a = cn.lock().unwrap().on_packet(&mut nic, iph, tcph, &buf[datai..nbytes])?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `listener` is never read [INFO] [stdout] --> src/lib.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | listener = self.con_pool.pending_var.wait(listener).unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c` is never read [INFO] [stdout] --> src/lib.rs:212:13 [INFO] [stdout] | [INFO] [stdout] 212 | c = var.wait(c).unwrap(); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `how` [INFO] [stdout] --> src/lib.rs:251:28 [INFO] [stdout] | [INFO] [stdout] 251 | 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: methods `add_connection`, `get`, and `remove` are never used [INFO] [stdout] --> src/lib.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl ConnectionPool_inner { [INFO] [stdout] | ------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 46 | fn add_connection(&self, quad:Quad, cn:Connection) -> Arc<(Mutex, Condvar)>{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn get(&self, q: &Quad) -> Option, Condvar)>> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn remove(&self, quad:Quad) -> Option, Condvar)>> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `quad` is never read [INFO] [stdout] --> src/lib.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 183 | pub struct TcpStream { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 184 | quad: Quad, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_synchronized` is never used [INFO] [stdout] --> src/tcp.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl State { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 24 | fn is_synchronized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 86 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 94 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 95 | /// segment sequence number used for last window update [INFO] [stdout] 96 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 97 | /// segment acknowledgment number used for last window update [INFO] [stdout] 98 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up` and `irs` are never read [INFO] [stdout] --> src/tcp.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 115 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 121 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 122 | /// initial receive sequence number [INFO] [stdout] 123 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:299:8 [INFO] [stdout] | [INFO] [stdout] 126 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 299 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `TCPstack` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `tcpstack` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | / self.ip [INFO] [stdout] 237 | | .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] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 236 | let _ = self.ip [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 244 | 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] 244 | 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:275:9 [INFO] [stdout] | [INFO] [stdout] 275 | 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] 275 | let _ = self.tcp.write(&mut tcp_header_buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:137:5 [INFO] [stdout] | [INFO] [stdout] 132 | / loop { [INFO] [stdout] 133 | | if let Err(e) = try_recv() { [INFO] [stdout] 134 | | // println!("Skip because of {}", &e); [INFO] [stdout] 135 | | } [INFO] [stdout] 136 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 137 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/tcp.rs:133:13 [INFO] [stdout] | [INFO] [stdout] 133 | let buf = [0u8; 1500]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | data: &'a [u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iph` [INFO] [stdout] --> src/tcp.rs:382:9 [INFO] [stdout] | [INFO] [stdout] 382 | iph: etherparse::Ipv4HeaderSlice<'a>, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iph` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tcp.rs:474:25 [INFO] [stdout] | [INFO] [stdout] 474 | 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:133:20 [INFO] [stdout] | [INFO] [stdout] 133 | if let Err(e) = try_recv() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/lib.rs:115:21 [INFO] [stdout] | [INFO] [stdout] 115 | let a = cn.lock().unwrap().on_packet(&mut nic, iph, tcph, &buf[datai..nbytes])?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `listener` is never read [INFO] [stdout] --> src/lib.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | listener = self.con_pool.pending_var.wait(listener).unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c` is never read [INFO] [stdout] --> src/lib.rs:212:13 [INFO] [stdout] | [INFO] [stdout] 212 | c = var.wait(c).unwrap(); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `how` [INFO] [stdout] --> src/lib.rs:251:28 [INFO] [stdout] | [INFO] [stdout] 251 | 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: methods `add_connection`, `get`, and `remove` are never used [INFO] [stdout] --> src/lib.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl ConnectionPool_inner { [INFO] [stdout] | ------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 46 | fn add_connection(&self, quad:Quad, cn:Connection) -> Arc<(Mutex, Condvar)>{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn get(&self, q: &Quad) -> Option, Condvar)>> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn remove(&self, quad:Quad) -> Option, Condvar)>> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `quad` is never read [INFO] [stdout] --> src/lib.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 183 | pub struct TcpStream { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 184 | quad: Quad, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_synchronized` is never used [INFO] [stdout] --> src/tcp.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl State { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 24 | fn is_synchronized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 86 | struct SendSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 94 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 95 | /// segment sequence number used for last window update [INFO] [stdout] 96 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 97 | /// segment acknowledgment number used for last window update [INFO] [stdout] 98 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up` and `irs` are never read [INFO] [stdout] --> src/tcp.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 115 | struct RecvSequenceSpace { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 121 | up: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 122 | /// initial receive sequence number [INFO] [stdout] 123 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:299:8 [INFO] [stdout] | [INFO] [stdout] 126 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 299 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_packet_loop` is never used [INFO] [stdout] --> src/lib.rs:263:8 [INFO] [stdout] | [INFO] [stdout] 263 | fn test_packet_loop() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | / self.ip [INFO] [stdout] 237 | | .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] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 236 | let _ = self.ip [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp.rs:244:9 [INFO] [stdout] | [INFO] [stdout] 244 | 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] 244 | 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:275:9 [INFO] [stdout] | [INFO] [stdout] 275 | 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] 275 | 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/lib.rs:266:9 [INFO] [stdout] | [INFO] [stdout] 266 | packet_loop(nic, con_pool); [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] 266 | let _ = packet_loop(nic, con_pool); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.26s [INFO] running `Command { std: "docker" "inspect" "b5458ed758577f7c40173cae741bdafa48fd484a7585663f18cc3734b4d1ed2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5458ed758577f7c40173cae741bdafa48fd484a7585663f18cc3734b4d1ed2b", kill_on_drop: false }` [INFO] [stdout] b5458ed758577f7c40173cae741bdafa48fd484a7585663f18cc3734b4d1ed2b