[INFO] cloning repository https://github.com/sendyhalim/tcp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sendyhalim/tcp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsendyhalim%2Ftcp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsendyhalim%2Ftcp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 625a90b67fc7662c5544920306d01831a0a36ddc
[INFO] testing sendyhalim/tcp-rust against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsendyhalim%2Ftcp-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sendyhalim/tcp-rust
[INFO] finished tweaking git repo https://github.com/sendyhalim/tcp-rust
[INFO] tweaked toml for git repo https://github.com/sendyhalim/tcp-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sendyhalim/tcp-rust 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/sendyhalim/tcp-rust 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tun-tap v0.1.2
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] [stderr]   Downloaded etherparse v0.8.3
[INFO] [stderr]   Downloaded nix v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 90d29c3c91c390a807a37bfcc0fda88b09ffbe040e3550e85565c097fdb2bb6b
[INFO] running `Command { std: "docker" "start" "-a" "90d29c3c91c390a807a37bfcc0fda88b09ffbe040e3550e85565c097fdb2bb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90d29c3c91c390a807a37bfcc0fda88b09ffbe040e3550e85565c097fdb2bb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d29c3c91c390a807a37bfcc0fda88b09ffbe040e3550e85565c097fdb2bb6b", kill_on_drop: false }`
[INFO] [stdout] 90d29c3c91c390a807a37bfcc0fda88b09ffbe040e3550e85565c097fdb2bb6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9f5fef0f89eaa5f226f65f8305c4a39afa66aaa191489e4d8f6be32614597d22
[INFO] running `Command { std: "docker" "start" "-a" "9f5fef0f89eaa5f226f65f8305c4a39afa66aaa191489e4d8f6be32614597d22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling etherparse v0.8.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[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-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/tcp.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[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:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     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: unused variable: `buf`
[INFO] [stdout]    --> src/tcp.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let buf = [0u8; 1500];
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tcp.rs:406:15
[INFO] [stdout]     |
[INFO] [stdout] 406 |           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:314:5
[INFO] [stdout]     |
[INFO] [stdout] 314 |     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: `nacked`
[INFO] [stdout]    --> src/tcp.rs:398:15
[INFO] [stdout]     |
[INFO] [stdout] 398 |           let nacked = self
[INFO] [stdout]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nacked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:167:15
[INFO] [stdout]     |
[INFO] [stdout] 167 |           Err(err) => {
[INFO] [stdout]     |               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:180:11
[INFO] [stdout]     |
[INFO] [stdout] 180 |       Err(err) => {
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quad`
[INFO] [stdout]    --> src/lib.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     for quad in pending {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_quad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]    --> src/lib.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |     if let Some(connection) = connection_manager.connection_by_quad.remove(&self.quad) {}
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `how`
[INFO] [stdout]    --> src/lib.rs:334:30
[INFO] [stdout]     |
[INFO] [stdout] 334 |   pub fn shutdown(&mut 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: method `is_synchronized` is never used
[INFO] [stdout]   --> src/tcp.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl TcpState {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 27 |   pub fn is_synchronized(&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: field `up` is never read
[INFO] [stdout]   --> src/tcp.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct RecvSequenceSpace {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |   up: bool,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, `wl2`, and `iss` are never read
[INFO] [stdout]    --> src/tcp.rs:105:3
[INFO] [stdout]     |
[INFO] [stdout]  94 | pub struct SendSequenceSpace {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 105 |   up: bool,
[INFO] [stdout]     |   ^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |   wl1: usize,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |   wl2: usize,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |   iss: u32,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:487:6
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl TcpConnection {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 487 |   fn send_rst(&mut self, nic: &tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readyAction` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let readyAction = map_entry.get_mut().on_packet(
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: convert the identifier to snake case: `ready_action`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:492:5
[INFO] [stdout]     |
[INFO] [stdout] 492 |     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]     = 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] 492 |     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:544:5
[INFO] [stdout]     |
[INFO] [stdout] 544 | /     self
[INFO] [stdout] 545 | |       .iph
[INFO] [stdout] 546 | |       .set_payload_len(ip_payload_size - self.iph.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] 544 |     let _ = self
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:557:5
[INFO] [stdout]     |
[INFO] [stdout] 557 |     self.iph.write(&mut unwritten_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] 557 |     let _ = self.iph.write(&mut unwritten_buf);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:558:5
[INFO] [stdout]     |
[INFO] [stdout] 558 |     self.tcph.write(&mut unwritten_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] 558 |     let _ = self.tcph.write(&mut unwritten_buf);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "9f5fef0f89eaa5f226f65f8305c4a39afa66aaa191489e4d8f6be32614597d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5fef0f89eaa5f226f65f8305c4a39afa66aaa191489e4d8f6be32614597d22", kill_on_drop: false }`
[INFO] [stdout] 9f5fef0f89eaa5f226f65f8305c4a39afa66aaa191489e4d8f6be32614597d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6aa44b8f625742f46ae2ce75bcaa306a95265e724c8bffbef3cfc9db4b37eaa1
[INFO] running `Command { std: "docker" "start" "-a" "6aa44b8f625742f46ae2ce75bcaa306a95265e724c8bffbef3cfc9db4b37eaa1", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/tcp.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[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:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     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: unused variable: `buf`
[INFO] [stdout]    --> src/tcp.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let buf = [0u8; 1500];
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tcp.rs:406:15
[INFO] [stdout]     |
[INFO] [stdout] 406 |           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:314:5
[INFO] [stdout]     |
[INFO] [stdout] 314 |     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: `nacked`
[INFO] [stdout]    --> src/tcp.rs:398:15
[INFO] [stdout]     |
[INFO] [stdout] 398 |           let nacked = self
[INFO] [stdout]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nacked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:167:15
[INFO] [stdout]     |
[INFO] [stdout] 167 |           Err(err) => {
[INFO] [stdout]     |               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:180:11
[INFO] [stdout]     |
[INFO] [stdout] 180 |       Err(err) => {
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quad`
[INFO] [stdout]    --> src/lib.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     for quad in pending {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_quad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]    --> src/lib.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |     if let Some(connection) = connection_manager.connection_by_quad.remove(&self.quad) {}
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `how`
[INFO] [stdout]    --> src/lib.rs:334:30
[INFO] [stdout]     |
[INFO] [stdout] 334 |   pub fn shutdown(&mut 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: method `is_synchronized` is never used
[INFO] [stdout]   --> src/tcp.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl TcpState {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 27 |   pub fn is_synchronized(&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: field `up` is never read
[INFO] [stdout]   --> src/tcp.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct RecvSequenceSpace {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |   up: bool,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, `wl2`, and `iss` are never read
[INFO] [stdout]    --> src/tcp.rs:105:3
[INFO] [stdout]     |
[INFO] [stdout]  94 | pub struct SendSequenceSpace {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 105 |   up: bool,
[INFO] [stdout]     |   ^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |   wl1: usize,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |   wl2: usize,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |   iss: u32,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:487:6
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl TcpConnection {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 487 |   fn send_rst(&mut self, nic: &tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readyAction` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let readyAction = map_entry.get_mut().on_packet(
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: convert the identifier to snake case: `ready_action`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:492:5
[INFO] [stdout]     |
[INFO] [stdout] 492 |     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]     = 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] 492 |     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:544:5
[INFO] [stdout]     |
[INFO] [stdout] 544 | /     self
[INFO] [stdout] 545 | |       .iph
[INFO] [stdout] 546 | |       .set_payload_len(ip_payload_size - self.iph.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] 544 |     let _ = self
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:557:5
[INFO] [stdout]     |
[INFO] [stdout] 557 |     self.iph.write(&mut unwritten_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] 557 |     let _ = self.iph.write(&mut unwritten_buf);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:558:5
[INFO] [stdout]     |
[INFO] [stdout] 558 |     self.tcph.write(&mut unwritten_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] 558 |     let _ = self.tcph.write(&mut unwritten_buf);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tcp-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::Entry;
[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 import: `std::time::Duration`
[INFO] [stdout]  --> src/tcp.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[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:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     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: unused variable: `buf`
[INFO] [stdout]    --> src/tcp.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let buf = [0u8; 1500];
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tcp.rs:406:15
[INFO] [stdout]     |
[INFO] [stdout] 406 |           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:314:5
[INFO] [stdout]     |
[INFO] [stdout] 314 |     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: `nacked`
[INFO] [stdout]    --> src/tcp.rs:398:15
[INFO] [stdout]     |
[INFO] [stdout] 398 |           let nacked = self
[INFO] [stdout]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nacked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:167:15
[INFO] [stdout]     |
[INFO] [stdout] 167 |           Err(err) => {
[INFO] [stdout]     |               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:180:11
[INFO] [stdout]     |
[INFO] [stdout] 180 |       Err(err) => {
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quad`
[INFO] [stdout]    --> src/lib.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     for quad in pending {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_quad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]    --> src/lib.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |     if let Some(connection) = connection_manager.connection_by_quad.remove(&self.quad) {}
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `how`
[INFO] [stdout]    --> src/lib.rs:334:30
[INFO] [stdout]     |
[INFO] [stdout] 334 |   pub fn shutdown(&mut 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: method `is_synchronized` is never used
[INFO] [stdout]   --> src/tcp.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl TcpState {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 27 |   pub fn is_synchronized(&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: field `up` is never read
[INFO] [stdout]   --> src/tcp.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct RecvSequenceSpace {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |   up: bool,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, `wl2`, and `iss` are never read
[INFO] [stdout]    --> src/tcp.rs:105:3
[INFO] [stdout]     |
[INFO] [stdout]  94 | pub struct SendSequenceSpace {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 105 |   up: bool,
[INFO] [stdout]     |   ^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |   wl1: usize,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |   wl2: usize,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |   iss: u32,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:487:6
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl TcpConnection {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 487 |   fn send_rst(&mut self, nic: &tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `readyAction` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let readyAction = map_entry.get_mut().on_packet(
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: convert the identifier to snake case: `ready_action`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:492:5
[INFO] [stdout]     |
[INFO] [stdout] 492 |     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]     = 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] 492 |     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:544:5
[INFO] [stdout]     |
[INFO] [stdout] 544 | /     self
[INFO] [stdout] 545 | |       .iph
[INFO] [stdout] 546 | |       .set_payload_len(ip_payload_size - self.iph.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] 544 |     let _ = self
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:557:5
[INFO] [stdout]     |
[INFO] [stdout] 557 |     self.iph.write(&mut unwritten_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] 557 |     let _ = self.iph.write(&mut unwritten_buf);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tcp.rs:558:5
[INFO] [stdout]     |
[INFO] [stdout] 558 |     self.tcph.write(&mut unwritten_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] 558 |     let _ = self.tcph.write(&mut unwritten_buf);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "6aa44b8f625742f46ae2ce75bcaa306a95265e724c8bffbef3cfc9db4b37eaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa44b8f625742f46ae2ce75bcaa306a95265e724c8bffbef3cfc9db4b37eaa1", kill_on_drop: false }`
[INFO] [stdout] 6aa44b8f625742f46ae2ce75bcaa306a95265e724c8bffbef3cfc9db4b37eaa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d4aa0e594eb378d1236eff0b76930a4952dc1a998ddd5c8b1cd2b81d2f5657d8
[INFO] running `Command { std: "docker" "start" "-a" "d4aa0e594eb378d1236eff0b76930a4952dc1a998ddd5c8b1cd2b81d2f5657d8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/tcp.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::Duration;
[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:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     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: unused variable: `buf`
[INFO] [stderr]    --> src/tcp.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let buf = [0u8; 1500];
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tcp.rs:406:15
[INFO] [stderr]     |
[INFO] [stderr] 406 |           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:314:5
[INFO] [stderr]     |
[INFO] [stderr] 314 |     iph: etherparse::Ipv4HeaderSlice<'a>,
[INFO] [stderr]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_iph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nacked`
[INFO] [stderr]    --> src/tcp.rs:398:15
[INFO] [stderr]     |
[INFO] [stderr] 398 |           let nacked = self
[INFO] [stderr]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nacked`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/lib.rs:167:15
[INFO] [stderr]     |
[INFO] [stderr] 167 |           Err(err) => {
[INFO] [stderr]     |               ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/lib.rs:180:11
[INFO] [stderr]     |
[INFO] [stderr] 180 |       Err(err) => {
[INFO] [stderr]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `quad`
[INFO] [stderr]    --> src/lib.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |     for quad in pending {
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_quad`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection`
[INFO] [stderr]    --> src/lib.rs:329:17
[INFO] [stderr]     |
[INFO] [stderr] 329 |     if let Some(connection) = connection_manager.connection_by_quad.remove(&self.quad) {}
[INFO] [stderr]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `how`
[INFO] [stderr]    --> src/lib.rs:334:30
[INFO] [stderr]     |
[INFO] [stderr] 334 |   pub fn shutdown(&mut 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: method `is_synchronized` is never used
[INFO] [stderr]   --> src/tcp.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl TcpState {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 27 |   pub fn is_synchronized(&self) -> bool {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `up` is never read
[INFO] [stderr]   --> src/tcp.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub struct RecvSequenceSpace {
[INFO] [stderr]    |            ----------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 74 |   up: bool,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `up`, `wl1`, `wl2`, and `iss` are never read
[INFO] [stderr]    --> src/tcp.rs:105:3
[INFO] [stderr]     |
[INFO] [stderr]  94 | pub struct SendSequenceSpace {
[INFO] [stderr]     |            ----------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 105 |   up: bool,
[INFO] [stderr]     |   ^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |   wl1: usize,
[INFO] [stderr]     |   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 111 |   wl2: usize,
[INFO] [stderr]     |   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 114 |   iss: u32,
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `send_rst` is never used
[INFO] [stderr]    --> src/tcp.rs:487:6
[INFO] [stderr]     |
[INFO] [stderr] 144 | impl TcpConnection {
[INFO] [stderr]     | ------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 487 |   fn send_rst(&mut self, nic: &tun_tap::Iface) -> io::Result<()> {
[INFO] [stderr]     |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `readyAction` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let readyAction = map_entry.get_mut().on_packet(
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: convert the identifier to snake case: `ready_action`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/tcp.rs:492:5
[INFO] [stderr]     |
[INFO] [stderr] 492 |     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]     = 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] 492 |     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:544:5
[INFO] [stderr]     |
[INFO] [stderr] 544 | /     self
[INFO] [stderr] 545 | |       .iph
[INFO] [stderr] 546 | |       .set_payload_len(ip_payload_size - self.iph.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] 544 |     let _ = self
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/tcp.rs:557:5
[INFO] [stderr]     |
[INFO] [stderr] 557 |     self.iph.write(&mut unwritten_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] 557 |     let _ = self.iph.write(&mut unwritten_buf);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/tcp.rs:558:5
[INFO] [stderr]     |
[INFO] [stderr] 558 |     self.tcph.write(&mut unwritten_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] 558 |     let _ = self.tcph.write(&mut unwritten_buf);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-rust` (lib) generated 20 warnings (run `cargo fix --lib -p tcp-rust` to apply 11 suggestions)
[INFO] [stderr] warning: `tcp-rust` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::hash_map::Entry;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-rust` (bin "tcp-rust" test) generated 1 warning (run `cargo fix --bin "tcp-rust" -p tcp-rust --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tcp_rust-1ba1bc35159c89cd)
[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_rust-d9c9f4d573d42589)
[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_rust
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/tcp.rs - tcp::SendSequenceSpace (line 85) ... FAILED
[INFO] [stdout] test src/tcp.rs - tcp::RecvSequenceSpace (line 58) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/tcp.rs - tcp::SendSequenceSpace (line 85) stdout ----
[INFO] [stdout] error: expected item, found `1`
[INFO] [stdout]   --> src/tcp.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |        1         2          3          4
[INFO] [stdout]    |        ^ expected item
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[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::RecvSequenceSpace (line 58) stdout ----
[INFO] [stdout] error: expected item, found `1`
[INFO] [stdout]   --> src/tcp.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |            1          2          3
[INFO] [stdout]    |            ^ expected item
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[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::RecvSequenceSpace (line 58)
[INFO] [stdout]     src/tcp.rs - tcp::SendSequenceSpace (line 85)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d4aa0e594eb378d1236eff0b76930a4952dc1a998ddd5c8b1cd2b81d2f5657d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4aa0e594eb378d1236eff0b76930a4952dc1a998ddd5c8b1cd2b81d2f5657d8", kill_on_drop: false }`
[INFO] [stdout] d4aa0e594eb378d1236eff0b76930a4952dc1a998ddd5c8b1cd2b81d2f5657d8
