[INFO] cloning repository https://github.com/AbhinavRobinson/rust-tcp-rfc-793
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AbhinavRobinson/rust-tcp-rfc-793" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinavRobinson%2Frust-tcp-rfc-793", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinavRobinson%2Frust-tcp-rfc-793'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33224009d65ef0a8073e047c4f39e17d80b54354
[INFO] testing AbhinavRobinson/rust-tcp-rfc-793 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinavRobinson%2Frust-tcp-rfc-793" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793
[INFO] finished tweaking git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793
[INFO] tweaked toml for git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793 on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded memoffset v0.5.6
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[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] [stderr]   Downloaded cc v1.1.15
[INFO] [stderr]   Downloaded tun-tap v0.1.4
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded etherparse v0.15.0
[INFO] [stderr]   Downloaded libc v0.2.158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c9dcf1687b9d41897390b779016875a1e7b05841ccc065d1280a93b5eff7184
[INFO] running `Command { std: "docker" "start" "-a" "2c9dcf1687b9d41897390b779016875a1e7b05841ccc065d1280a93b5eff7184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c9dcf1687b9d41897390b779016875a1e7b05841ccc065d1280a93b5eff7184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9dcf1687b9d41897390b779016875a1e7b05841ccc065d1280a93b5eff7184", kill_on_drop: false }`
[INFO] [stdout] 2c9dcf1687b9d41897390b779016875a1e7b05841ccc065d1280a93b5eff7184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4a28eaedbd2a1fa3d3a74edd7cfcdf7c56a44bcb0f73c37076c7268994f06d7
[INFO] running `Command { std: "docker" "start" "-a" "d4a28eaedbd2a1fa3d3a74edd7cfcdf7c56a44bcb0f73c37076c7268994f06d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling etherparse v0.15.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[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 bytes v0.4.12
[INFO] [stderr]    Compiling tun-tap v0.1.4
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.13
[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 mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling rust-tcp-rfc-793 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `network_interface`
[INFO] [stdout]    --> src/tcp.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         network_interface: &mut tun_tap::Iface,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network_interface`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_header`
[INFO] [stdout]    --> src/tcp.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ip_header: Ipv4HeaderSlice<'a>,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/tcp.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         data: &'a [u8],
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Estab` is never constructed
[INFO] [stdout]  --> src/tcp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum State {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Estab,
[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:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SendSequenceSpace {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     wl1: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     wl2: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RecvSequenceSpace {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 21 |     nxt: u32,
[INFO] [stdout] 22 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     irs: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.42s
[INFO] running `Command { std: "docker" "inspect" "d4a28eaedbd2a1fa3d3a74edd7cfcdf7c56a44bcb0f73c37076c7268994f06d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a28eaedbd2a1fa3d3a74edd7cfcdf7c56a44bcb0f73c37076c7268994f06d7", kill_on_drop: false }`
[INFO] [stdout] d4a28eaedbd2a1fa3d3a74edd7cfcdf7c56a44bcb0f73c37076c7268994f06d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a1bec9a00f4866a8d4ef023f0cf9391fa8a7fff1872e5cfa05d73ea2514bed
[INFO] running `Command { std: "docker" "start" "-a" "64a1bec9a00f4866a8d4ef023f0cf9391fa8a7fff1872e5cfa05d73ea2514bed", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tcp-rfc-793 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `network_interface`
[INFO] [stdout]    --> src/tcp.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         network_interface: &mut tun_tap::Iface,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network_interface`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_header`
[INFO] [stdout]    --> src/tcp.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ip_header: Ipv4HeaderSlice<'a>,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/tcp.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         data: &'a [u8],
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Estab` is never constructed
[INFO] [stdout]  --> src/tcp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum State {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Estab,
[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:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SendSequenceSpace {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     wl1: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     wl2: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RecvSequenceSpace {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 21 |     nxt: u32,
[INFO] [stdout] 22 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     irs: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "64a1bec9a00f4866a8d4ef023f0cf9391fa8a7fff1872e5cfa05d73ea2514bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a1bec9a00f4866a8d4ef023f0cf9391fa8a7fff1872e5cfa05d73ea2514bed", kill_on_drop: false }`
[INFO] [stdout] 64a1bec9a00f4866a8d4ef023f0cf9391fa8a7fff1872e5cfa05d73ea2514bed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebb4d7ac7c5396a201b5495af7ba888ccdef5de6352d96577bb14a1a2de2a0fe
[INFO] running `Command { std: "docker" "start" "-a" "ebb4d7ac7c5396a201b5495af7ba888ccdef5de6352d96577bb14a1a2de2a0fe", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `network_interface`
[INFO] [stderr]    --> src/tcp.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         network_interface: &mut tun_tap::Iface,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network_interface`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip_header`
[INFO] [stderr]    --> src/tcp.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         ip_header: Ipv4HeaderSlice<'a>,
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/tcp.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         data: &'a [u8],
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Estab` is never constructed
[INFO] [stderr]  --> src/tcp.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum State {
[INFO] [stderr]   |          ----- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 7 |     Estab,
[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:14:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct SendSequenceSpace {
[INFO] [stderr]    |            ----------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     up: bool,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 15 |     wl1: u16,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 16 |     wl2: u16,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `wnd`, `up`, and `irs` are never read
[INFO] [stderr]   --> src/tcp.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct RecvSequenceSpace {
[INFO] [stderr]    |            ----------------- fields in this struct
[INFO] [stderr] 21 |     nxt: u32,
[INFO] [stderr] 22 |     wnd: u16,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 23 |     up: bool,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 24 |     irs: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-tcp-rfc-793` (bin "rust-tcp-rfc-793" test) generated 6 warnings (run `cargo fix --bin "rust-tcp-rfc-793" -p rust-tcp-rfc-793 --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tcp_rfc_793-5f3d887adbfa35e7)
[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" "ebb4d7ac7c5396a201b5495af7ba888ccdef5de6352d96577bb14a1a2de2a0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb4d7ac7c5396a201b5495af7ba888ccdef5de6352d96577bb14a1a2de2a0fe", kill_on_drop: false }`
[INFO] [stdout] ebb4d7ac7c5396a201b5495af7ba888ccdef5de6352d96577bb14a1a2de2a0fe
