[INFO] cloning repository https://github.com/jayrabjohns/tcp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jayrabjohns/tcp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayrabjohns%2Ftcp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayrabjohns%2Ftcp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16bc137a8cef638f98cc6330b8a81fa39fbd251b
[INFO] testing jayrabjohns/tcp-rs against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayrabjohns%2Ftcp-rs" "/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/jayrabjohns/tcp-rs
[INFO] finished tweaking git repo https://github.com/jayrabjohns/tcp-rs
[INFO] tweaked toml for git repo https://github.com/jayrabjohns/tcp-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jayrabjohns/tcp-rs on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jayrabjohns/tcp-rs 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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 tun-tap v0.1.4
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] [stderr]   Downloaded cc v1.1.15
[INFO] [stderr]   Downloaded etherparse v0.15.0
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c643bbfeb02bf5906e878a435ee43342cf4f9a4a748c3d80ac61197a0d1cf9d6
[INFO] running `Command { std: "docker" "start" "-a" "c643bbfeb02bf5906e878a435ee43342cf4f9a4a748c3d80ac61197a0d1cf9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c643bbfeb02bf5906e878a435ee43342cf4f9a4a748c3d80ac61197a0d1cf9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c643bbfeb02bf5906e878a435ee43342cf4f9a4a748c3d80ac61197a0d1cf9d6", kill_on_drop: false }`
[INFO] [stdout] c643bbfeb02bf5906e878a435ee43342cf4f9a4a748c3d80ac61197a0d1cf9d6
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efeeb324102887048ab2f177e5c20dc3cf0a86191b395c710cc39ef707511d41
[INFO] running `Command { std: "docker" "start" "-a" "efeeb324102887048ab2f177e5c20dc3cf0a86191b395c710cc39ef707511d41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures v0.1.31
[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 anyhow v1.0.89
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling etherparse v0.15.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tun-tap v0.1.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling tcp_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ip_header`
[INFO] [stdout]    --> src/tcp.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         ip_header: Ipv4HeaderSlice,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (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:31:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct SendSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 32 |     /// Segment sequence number used for last window update
[INFO] [stdout] 33 |     pub wl1: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 34 |     /// Segment acknowledgement number used for last window update
[INFO] [stdout] 35 |     pub wl2: u32,
[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` and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct RecvSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 59 |     /// initial receive sequence number
[INFO] [stdout] 60 |     pub irs: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl Tcb {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn send_rst(&mut self, nic: &Iface) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.81s
[INFO] running `Command { std: "docker" "inspect" "efeeb324102887048ab2f177e5c20dc3cf0a86191b395c710cc39ef707511d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efeeb324102887048ab2f177e5c20dc3cf0a86191b395c710cc39ef707511d41", kill_on_drop: false }`
[INFO] [stdout] efeeb324102887048ab2f177e5c20dc3cf0a86191b395c710cc39ef707511d41
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97d15ba8ec6a0c53bb4c722f374893950b97ad272190f5dcdfb83de8fd70cd8e
[INFO] running `Command { std: "docker" "start" "-a" "97d15ba8ec6a0c53bb4c722f374893950b97ad272190f5dcdfb83de8fd70cd8e", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `ip_header`
[INFO] [stdout]    --> src/tcp.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         ip_header: Ipv4HeaderSlice,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (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:31:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct SendSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 32 |     /// Segment sequence number used for last window update
[INFO] [stdout] 33 |     pub wl1: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 34 |     /// Segment acknowledgement number used for last window update
[INFO] [stdout] 35 |     pub wl2: u32,
[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` and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct RecvSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 59 |     /// initial receive sequence number
[INFO] [stdout] 60 |     pub irs: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl Tcb {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn send_rst(&mut self, nic: &Iface) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tcp_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ip_header`
[INFO] [stdout]    --> src/tcp.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         ip_header: Ipv4HeaderSlice,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (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:31:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct SendSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 32 |     /// Segment sequence number used for last window update
[INFO] [stdout] 33 |     pub wl1: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 34 |     /// Segment acknowledgement number used for last window update
[INFO] [stdout] 35 |     pub wl2: u32,
[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` and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct RecvSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 59 |     /// initial receive sequence number
[INFO] [stdout] 60 |     pub irs: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl Tcb {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn send_rst(&mut self, nic: &Iface) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "97d15ba8ec6a0c53bb4c722f374893950b97ad272190f5dcdfb83de8fd70cd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d15ba8ec6a0c53bb4c722f374893950b97ad272190f5dcdfb83de8fd70cd8e", kill_on_drop: false }`
[INFO] [stdout] 97d15ba8ec6a0c53bb4c722f374893950b97ad272190f5dcdfb83de8fd70cd8e
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2d8ea1425a79469ba7e8d652765b8fe9010e3990f0b1f9c06206359c57151ba
[INFO] running `Command { std: "docker" "start" "-a" "d2d8ea1425a79469ba7e8d652765b8fe9010e3990f0b1f9c06206359c57151ba", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ip_header`
[INFO] [stderr]    --> src/tcp.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         ip_header: Ipv4HeaderSlice,
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (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:31:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct SendSequenceVariables {
[INFO] [stderr]    |        --------------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub up: bool,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 32 |     /// Segment sequence number used for last window update
[INFO] [stderr] 33 |     pub wl1: u32,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 34 |     /// Segment acknowledgement number used for last window update
[INFO] [stderr] 35 |     pub wl2: u32,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `up` and `irs` are never read
[INFO] [stderr]   --> src/tcp.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 52 | struct RecvSequenceVariables {
[INFO] [stderr]    |        --------------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 58 |     pub up: bool,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 59 |     /// initial receive sequence number
[INFO] [stderr] 60 |     pub irs: u32,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `send_rst` is never used
[INFO] [stderr]    --> src/tcp.rs:278:8
[INFO] [stderr]     |
[INFO] [stderr]  81 | impl Tcb {
[INFO] [stderr]     | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 278 |     fn send_rst(&mut self, nic: &Iface) -> Result<()> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp_rs` (lib) generated 4 warnings (run `cargo fix --lib -p tcp_rs` to apply 1 suggestion)
[INFO] [stderr] warning: `tcp_rs` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tcp_rs-47837326eda81aa1)
[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/tcp_rs-aa1751d13961de66)
[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 tcp_rs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/tcp.rs - tcp::Tcb::is_segment_valid (line 298) ... FAILED
[INFO] [stdout] test src/tcp.rs - tcp::RecvSequenceVariables (line 40) ... FAILED
[INFO] [stdout] test src/tcp.rs - tcp::SendSequenceVariables (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/tcp.rs - tcp::Tcb::is_segment_valid (line 298) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `Receive`
[INFO] [stdout]    --> src/tcp.rs:299:12
[INFO] [stdout]     |
[INFO] [stdout] 299 |    Segment Receive  Test
[INFO] [stdout]     |            ^^^^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tcp.rs - tcp::RecvSequenceVariables (line 40) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `Sequence`
[INFO] [stdout]   --> src/tcp.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | Receive Sequence Space
[INFO] [stdout]    |         ^^^^^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tcp.rs - tcp::SendSequenceVariables (line 10) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `Sequence`
[INFO] [stdout]   --> src/tcp.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | Send Sequence Space
[INFO] [stdout]    |      ^^^^^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/tcp.rs - tcp::RecvSequenceVariables (line 40)
[INFO] [stdout]     src/tcp.rs - tcp::SendSequenceVariables (line 10)
[INFO] [stdout]     src/tcp.rs - tcp::Tcb::is_segment_valid (line 298)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d2d8ea1425a79469ba7e8d652765b8fe9010e3990f0b1f9c06206359c57151ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d8ea1425a79469ba7e8d652765b8fe9010e3990f0b1f9c06206359c57151ba", kill_on_drop: false }`
[INFO] [stdout] d2d8ea1425a79469ba7e8d652765b8fe9010e3990f0b1f9c06206359c57151ba
