[INFO] cloning repository https://github.com/SWASTIC-7/tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SWASTIC-7/tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSWASTIC-7%2Ftcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSWASTIC-7%2Ftcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1766ab276cccc684f69bee799df9f32d0d10cf6
[INFO] checking SWASTIC-7/tcp against master#29e035e1728488dce5a03daa527ab1091d1cda47 for pr-149596-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSWASTIC-7%2Ftcp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SWASTIC-7/tcp
[INFO] finished tweaking git repo https://github.com/SWASTIC-7/tcp
[INFO] tweaked toml for git repo https://github.com/SWASTIC-7/tcp written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SWASTIC-7/tcp on toolchain 29e035e1728488dce5a03daa527ab1091d1cda47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29e035e1728488dce5a03daa527ab1091d1cda47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SWASTIC-7/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" "+29e035e1728488dce5a03daa527ab1091d1cda47" "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 cfg-if v0.1.10
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded tun-tap v0.1.4
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded tokio-udp v0.1.6
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded cc v1.2.5
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded etherparse v0.16.0
[INFO] [stderr]   Downloaded libc v0.2.177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+29e035e1728488dce5a03daa527ab1091d1cda47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51c712656d24ad840004fd4676677cf07a0b444f35fd41c77f08d3cf0053863a
[INFO] running `Command { std: "docker" "start" "-a" "51c712656d24ad840004fd4676677cf07a0b444f35fd41c77f08d3cf0053863a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c712656d24ad840004fd4676677cf07a0b444f35fd41c77f08d3cf0053863a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c712656d24ad840004fd4676677cf07a0b444f35fd41c77f08d3cf0053863a", kill_on_drop: false }`
[INFO] [stdout] 51c712656d24ad840004fd4676677cf07a0b444f35fd41c77f08d3cf0053863a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+29e035e1728488dce5a03daa527ab1091d1cda47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1017e0539645d5d60bcd403020a404c696a25910469561b8e8457ba6f6c25a20
[INFO] running `Command { std: "docker" "start" "-a" "1017e0539645d5d60bcd403020a404c696a25910469561b8e8457ba6f6c25a20", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling cc v1.2.5
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking etherparse v0.16.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling tun-tap v0.1.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[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]     Checking tcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `newly_acked`
[INFO] [stdout]    --> src/tcb.rs:435:13
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let newly_acked = ack.wrapping_sub(self.snd.una);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_newly_acked`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `quad` and `reassembly_queue` are never read
[INFO] [stdout]   --> src/tcb.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Tcb {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 57 |     /// Connection identifiers
[INFO] [stdout] 58 |     pub quad: Quad,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub reassembly_queue: VecDeque<Segment>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tcb` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SynSent`, `FinWait1`, `CloseWait`, `Closing`, and `LastAck` are never constructed
[INFO] [stdout]   --> src/tcb.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub enum TcpState {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 92 |     SynSent,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     FinWait1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 96 |     FinWait2,
[INFO] [stdout] 97 |     CloseWait,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 98 |     Closing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 99 |     LastAck,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]    --> src/tcb.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct SendSequence {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub up: u16,
[INFO] [stdout]     |         ^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub wl1: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub wl2: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SendSequence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `up` is never read
[INFO] [stdout]    --> src/tcb.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct ReceiveSequence {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub up: u16,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ReceiveSequence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ack`, `window`, and `timestamp` are never read
[INFO] [stdout]    --> src/tcb.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub struct Segment {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 165 |     pub seq: u32,
[INFO] [stdout] 166 |     pub ack: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 167 |     pub flags: u8,
[INFO] [stdout] 168 |     pub window: u16,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 169 |     pub data: Vec<u8>,
[INFO] [stdout] 170 |     pub timestamp: Option<std::time::Instant>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Segment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `scale` and `effective_wnd` are never read
[INFO] [stdout]    --> src/tcb.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub struct WindowManagement {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 183 |     pub scale: u8,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub effective_wnd: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WindowManagement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `active_open`, `is_segment_acceptable`, `buffer_segment`, `get_next_buffered_segment`, `is_time_wait_expired`, and `available_window` are never used
[INFO] [stdout]    --> src/tcb.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | impl Tcb {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 266 |     pub fn active_open(&mut self, iss: u32) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 513 |     fn is_segment_acceptable(&self, seq: u32, len: u32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 534 |     fn buffer_segment(&mut self, seq: u32, data: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 556 |     fn get_next_buffered_segment(&mut self) -> Option<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 573 |     pub fn is_time_wait_expired(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 582 |     pub fn available_window(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `newly_acked`
[INFO] [stdout]    --> src/tcb.rs:435:13
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let newly_acked = ack.wrapping_sub(self.snd.una);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_newly_acked`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `quad` and `reassembly_queue` are never read
[INFO] [stdout]   --> src/tcb.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Tcb {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 57 |     /// Connection identifiers
[INFO] [stdout] 58 |     pub quad: Quad,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub reassembly_queue: VecDeque<Segment>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tcb` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SynSent`, `FinWait1`, `CloseWait`, `Closing`, and `LastAck` are never constructed
[INFO] [stdout]   --> src/tcb.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub enum TcpState {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 92 |     SynSent,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     FinWait1,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 96 |     FinWait2,
[INFO] [stdout] 97 |     CloseWait,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 98 |     Closing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 99 |     LastAck,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]    --> src/tcb.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct SendSequence {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub up: u16,
[INFO] [stdout]     |         ^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub wl1: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub wl2: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SendSequence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `up` is never read
[INFO] [stdout]    --> src/tcb.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct ReceiveSequence {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub up: u16,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ReceiveSequence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ack`, `window`, and `timestamp` are never read
[INFO] [stdout]    --> src/tcb.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub struct Segment {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 165 |     pub seq: u32,
[INFO] [stdout] 166 |     pub ack: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 167 |     pub flags: u8,
[INFO] [stdout] 168 |     pub window: u16,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 169 |     pub data: Vec<u8>,
[INFO] [stdout] 170 |     pub timestamp: Option<std::time::Instant>,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Segment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `scale` and `effective_wnd` are never read
[INFO] [stdout]    --> src/tcb.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub struct WindowManagement {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 183 |     pub scale: u8,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub effective_wnd: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `WindowManagement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `active_open`, `is_segment_acceptable`, `buffer_segment`, `get_next_buffered_segment`, `is_time_wait_expired`, and `available_window` are never used
[INFO] [stdout]    --> src/tcb.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | impl Tcb {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 266 |     pub fn active_open(&mut self, iss: u32) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 513 |     fn is_segment_acceptable(&self, seq: u32, len: u32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 534 |     fn buffer_segment(&mut self, seq: u32, data: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 556 |     fn get_next_buffered_segment(&mut self) -> Option<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 573 |     pub fn is_time_wait_expired(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 582 |     pub fn available_window(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s
[INFO] running `Command { std: "docker" "inspect" "1017e0539645d5d60bcd403020a404c696a25910469561b8e8457ba6f6c25a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1017e0539645d5d60bcd403020a404c696a25910469561b8e8457ba6f6c25a20", kill_on_drop: false }`
[INFO] [stdout] 1017e0539645d5d60bcd403020a404c696a25910469561b8e8457ba6f6c25a20
