[INFO] cloning repository https://github.com/relay-rs/netswap_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/relay-rs/netswap_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frelay-rs%2Fnetswap_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frelay-rs%2Fnetswap_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 406d1df95e8fd063ad71b1748908f260b4768471
[INFO] testing relay-rs/netswap_rs against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frelay-rs%2Fnetswap_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] validating manifest of git repo https://github.com/relay-rs/netswap_rs on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/relay-rs/netswap_rs
[INFO] finished tweaking git repo https://github.com/relay-rs/netswap_rs
[INFO] tweaked toml for git repo https://github.com/relay-rs/netswap_rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/relay-rs/netswap_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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing relay-rs/netswap_rs against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frelay-rs%2Fnetswap_rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/relay-rs/netswap_rs on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/relay-rs/netswap_rs
[INFO] finished tweaking git repo https://github.com/relay-rs/netswap_rs
[INFO] tweaked toml for git repo https://github.com/relay-rs/netswap_rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/relay-rs/netswap_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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e2a812095bc0b98781f48a26dad7c7f1888580a6f523e246a212fc9f94165b2
[INFO] running `Command { std: "docker" "start" "-a" "1e2a812095bc0b98781f48a26dad7c7f1888580a6f523e246a212fc9f94165b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e2a812095bc0b98781f48a26dad7c7f1888580a6f523e246a212fc9f94165b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2a812095bc0b98781f48a26dad7c7f1888580a6f523e246a212fc9f94165b2", kill_on_drop: false }`
[INFO] [stdout] 1e2a812095bc0b98781f48a26dad7c7f1888580a6f523e246a212fc9f94165b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d377909cc01f15e704be3c8ecc90aa4d07d5cb2e7de430a4294cbcc2672ed05
[INFO] running `Command { std: "docker" "start" "-a" "4d377909cc01f15e704be3c8ecc90aa4d07d5cb2e7de430a4294cbcc2672ed05", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.12.1
[INFO] [stderr]    Compiling netswap_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufferEntry` and `permissions`
[INFO] [stdout]  --> src/server/mod.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::server::buffer::{BufferEntry, Buffer, permissions};
[INFO] [stdout]   |                             ^^^^^^^^^^^          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xid`
[INFO] [stdout]   --> src/server/mod.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let xid = &recv_buffer[0..=3];
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_xid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pidx`
[INFO] [stdout]   --> src/server/mod.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let pidx = recv_buffer[4];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pidx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plen`
[INFO] [stdout]   --> src/server/mod.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let plen = recv_buffer[5];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_plen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/server/mod.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let opcode = headers[0];
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/server/mod.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let data = &recv_buffer[11..size];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/server/mod.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn handle_packet(stream : &TcpStream, packet : InboundPacket) {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/server/mod.rs:93:39
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn handle_packet(stream : &TcpStream, packet : InboundPacket) {
[INFO] [stdout]    |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLIENT_RECV_BUF_SIZE_BYTES` is never used
[INFO] [stdout]   --> src/server/mod.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const CLIENT_RECV_BUF_SIZE_BYTES : usize = 1500;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PacketBuffer` is never used
[INFO] [stdout]   --> src/server/mod.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | type PacketBuffer<T> = HashMap<u64, Vec<T>>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_server` is never used
[INFO] [stdout]   --> src/server/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn init_server(port : &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connection` is never used
[INFO] [stdout]   --> src/server/mod.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn connection(mut stream : TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `malformed_packet` is never used
[INFO] [stdout]   --> src/server/mod.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn malformed_packet(mut stream : &TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_packet` is never used
[INFO] [stdout]   --> src/server/mod.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn handle_packet(stream : &TcpStream, packet : InboundPacket) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GENERIC_OP_SUCCESS_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const GENERIC_OP_SUCCESS_ACK : u8 = 0;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAILURE_ACCESS_VIOLATION_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const FAILURE_ACCESS_VIOLATION_ACK : u8 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAILURE_ADDRESS_FAULT_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const FAILURE_ADDRESS_FAULT_ACK : u8 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESOLVE_POINTER_OP_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const RESOLVE_POINTER_OP_ACK : u8 = 3;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MALFORMED_PACKET_ERR_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MALFORMED_PACKET_ERR_ACK : u8 = 4;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `xid`, `pid`, `len`, `opcode`, `headers`, and `data` are never read
[INFO] [stdout]  --> src/server/packet/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct InboundPacket {
[INFO] [stdout]   |            ------------- fields in this struct
[INFO] [stdout] 4 |     pub xid : u64,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |     pub pid : u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub len : u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub opcode : u8,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub headers : [u8; 4],
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 9 |     pub data : Vec<u8>
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send` is never used
[INFO] [stdout]   --> src/server/packet/mod.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub trait Sendable {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] 83 |     fn send(&self) -> Vec<u8>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `construct` is never used
[INFO] [stdout]   --> src/server/packet/mod.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait Recievable {
[INFO] [stdout]    |           ---------- associated function in this trait
[INFO] [stdout] 87 |     fn construct(data : Vec<u8>) -> Option<Self> where Self : Sized;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | /     stream.write(
[INFO] [stdout] 80 | |         OutboundPacket {
[INFO] [stdout] 81 | |             xid : 0,
[INFO] [stdout] 82 | |             pid: 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |         .as_slice()
[INFO] [stdout] 90 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let _ = stream.write(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "4d377909cc01f15e704be3c8ecc90aa4d07d5cb2e7de430a4294cbcc2672ed05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d377909cc01f15e704be3c8ecc90aa4d07d5cb2e7de430a4294cbcc2672ed05", kill_on_drop: false }`
[INFO] [stdout] 4d377909cc01f15e704be3c8ecc90aa4d07d5cb2e7de430a4294cbcc2672ed05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 413e092cbfe4548f20841bbc7b3b7e7c8feca28b4dce2a16c235766b91275a7d
[INFO] running `Command { std: "docker" "start" "-a" "413e092cbfe4548f20841bbc7b3b7e7c8feca28b4dce2a16c235766b91275a7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling netswap_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufferEntry` and `permissions`
[INFO] [stdout]  --> src/server/mod.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::server::buffer::{BufferEntry, Buffer, permissions};
[INFO] [stdout]   |                             ^^^^^^^^^^^          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xid`
[INFO] [stdout]   --> src/server/mod.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let xid = &recv_buffer[0..=3];
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_xid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pidx`
[INFO] [stdout]   --> src/server/mod.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let pidx = recv_buffer[4];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pidx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plen`
[INFO] [stdout]   --> src/server/mod.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let plen = recv_buffer[5];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_plen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/server/mod.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let opcode = headers[0];
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/server/mod.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let data = &recv_buffer[11..size];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/server/mod.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn handle_packet(stream : &TcpStream, packet : InboundPacket) {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/server/mod.rs:93:39
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn handle_packet(stream : &TcpStream, packet : InboundPacket) {
[INFO] [stdout]    |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLIENT_RECV_BUF_SIZE_BYTES` is never used
[INFO] [stdout]   --> src/server/mod.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const CLIENT_RECV_BUF_SIZE_BYTES : usize = 1500;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PacketBuffer` is never used
[INFO] [stdout]   --> src/server/mod.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | type PacketBuffer<T> = HashMap<u64, Vec<T>>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_server` is never used
[INFO] [stdout]   --> src/server/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn init_server(port : &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connection` is never used
[INFO] [stdout]   --> src/server/mod.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn connection(mut stream : TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `malformed_packet` is never used
[INFO] [stdout]   --> src/server/mod.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn malformed_packet(mut stream : &TcpStream) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_packet` is never used
[INFO] [stdout]   --> src/server/mod.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn handle_packet(stream : &TcpStream, packet : InboundPacket) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GENERIC_OP_SUCCESS_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const GENERIC_OP_SUCCESS_ACK : u8 = 0;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAILURE_ACCESS_VIOLATION_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const FAILURE_ACCESS_VIOLATION_ACK : u8 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAILURE_ADDRESS_FAULT_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const FAILURE_ADDRESS_FAULT_ACK : u8 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESOLVE_POINTER_OP_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const RESOLVE_POINTER_OP_ACK : u8 = 3;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MALFORMED_PACKET_ERR_ACK` is never used
[INFO] [stdout]  --> src/server/ack/mod.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MALFORMED_PACKET_ERR_ACK : u8 = 4;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `xid`, `pid`, `len`, `opcode`, `headers`, and `data` are never read
[INFO] [stdout]  --> src/server/packet/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct InboundPacket {
[INFO] [stdout]   |            ------------- fields in this struct
[INFO] [stdout] 4 |     pub xid : u64,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |     pub pid : u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub len : u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub opcode : u8,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub headers : [u8; 4],
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 9 |     pub data : Vec<u8>
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send` is never used
[INFO] [stdout]   --> src/server/packet/mod.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub trait Sendable {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] 83 |     fn send(&self) -> Vec<u8>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `construct` is never used
[INFO] [stdout]   --> src/server/packet/mod.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait Recievable {
[INFO] [stdout]    |           ---------- associated function in this trait
[INFO] [stdout] 87 |     fn construct(data : Vec<u8>) -> Option<Self> where Self : Sized;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | /     stream.write(
[INFO] [stdout] 80 | |         OutboundPacket {
[INFO] [stdout] 81 | |             xid : 0,
[INFO] [stdout] 82 | |             pid: 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |         .as_slice()
[INFO] [stdout] 90 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let _ = stream.write(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "413e092cbfe4548f20841bbc7b3b7e7c8feca28b4dce2a16c235766b91275a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413e092cbfe4548f20841bbc7b3b7e7c8feca28b4dce2a16c235766b91275a7d", kill_on_drop: false }`
[INFO] [stdout] 413e092cbfe4548f20841bbc7b3b7e7c8feca28b4dce2a16c235766b91275a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c80f2d706fb2a70cf6616d845d0727528f56904b9b39a0d175b08a24590e45c1
[INFO] running `Command { std: "docker" "start" "-a" "c80f2d706fb2a70cf6616d845d0727528f56904b9b39a0d175b08a24590e45c1", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `BufferEntry` and `permissions`
[INFO] [stderr]  --> src/server/mod.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::server::buffer::{BufferEntry, Buffer, permissions};
[INFO] [stderr]   |                             ^^^^^^^^^^^          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xid`
[INFO] [stderr]   --> src/server/mod.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let xid = &recv_buffer[0..=3];
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_xid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pidx`
[INFO] [stderr]   --> src/server/mod.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let pidx = recv_buffer[4];
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_pidx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `plen`
[INFO] [stderr]   --> src/server/mod.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |             let plen = recv_buffer[5];
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_plen`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opcode`
[INFO] [stderr]   --> src/server/mod.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let opcode = headers[0];
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/server/mod.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let data = &recv_buffer[11..size];
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/server/mod.rs:93:18
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn handle_packet(stream : &TcpStream, packet : InboundPacket) {
[INFO] [stderr]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet`
[INFO] [stderr]   --> src/server/mod.rs:93:39
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn handle_packet(stream : &TcpStream, packet : InboundPacket) {
[INFO] [stderr]    |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CLIENT_RECV_BUF_SIZE_BYTES` is never used
[INFO] [stderr]   --> src/server/mod.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const CLIENT_RECV_BUF_SIZE_BYTES : usize = 1500;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PacketBuffer` is never used
[INFO] [stderr]   --> src/server/mod.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 | type PacketBuffer<T> = HashMap<u64, Vec<T>>;
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `init_server` is never used
[INFO] [stderr]   --> src/server/mod.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn init_server(port : &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `connection` is never used
[INFO] [stderr]   --> src/server/mod.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn connection(mut stream : TcpStream) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `malformed_packet` is never used
[INFO] [stderr]   --> src/server/mod.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn malformed_packet(mut stream : &TcpStream) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `handle_packet` is never used
[INFO] [stderr]   --> src/server/mod.rs:93:4
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn handle_packet(stream : &TcpStream, packet : InboundPacket) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `GENERIC_OP_SUCCESS_ACK` is never used
[INFO] [stderr]  --> src/server/ack/mod.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const GENERIC_OP_SUCCESS_ACK : u8 = 0;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FAILURE_ACCESS_VIOLATION_ACK` is never used
[INFO] [stderr]  --> src/server/ack/mod.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub const FAILURE_ACCESS_VIOLATION_ACK : u8 = 1;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FAILURE_ADDRESS_FAULT_ACK` is never used
[INFO] [stderr]  --> src/server/ack/mod.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const FAILURE_ADDRESS_FAULT_ACK : u8 = 2;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RESOLVE_POINTER_OP_ACK` is never used
[INFO] [stderr]  --> src/server/ack/mod.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const RESOLVE_POINTER_OP_ACK : u8 = 3;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MALFORMED_PACKET_ERR_ACK` is never used
[INFO] [stderr]  --> src/server/ack/mod.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const MALFORMED_PACKET_ERR_ACK : u8 = 4;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `xid`, `pid`, `len`, `opcode`, `headers`, and `data` are never read
[INFO] [stderr]  --> src/server/packet/mod.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct InboundPacket {
[INFO] [stderr]   |            ------------- fields in this struct
[INFO] [stderr] 4 |     pub xid : u64,
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 5 |     pub pid : u8,
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 6 |     pub len : u8,
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 7 |     pub opcode : u8,
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr] 8 |     pub headers : [u8; 4],
[INFO] [stderr]   |         ^^^^^^^
[INFO] [stderr] 9 |     pub data : Vec<u8>
[INFO] [stderr]   |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `send` is never used
[INFO] [stderr]   --> src/server/packet/mod.rs:83:8
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub trait Sendable {
[INFO] [stderr]    |           -------- method in this trait
[INFO] [stderr] 83 |     fn send(&self) -> Vec<u8>;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `construct` is never used
[INFO] [stderr]   --> src/server/packet/mod.rs:87:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub trait Recievable {
[INFO] [stderr]    |           ---------- associated function in this trait
[INFO] [stderr] 87 |     fn construct(data : Vec<u8>) -> Option<Self> where Self : Sized;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server/mod.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 | /     stream.write(
[INFO] [stderr] 80 | |         OutboundPacket {
[INFO] [stderr] 81 | |             xid : 0,
[INFO] [stderr] 82 | |             pid: 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 89 | |         .as_slice()
[INFO] [stderr] 90 | |     );
[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)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let _ = stream.write(
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `netswap_rs` (bin "netswap_rs" test) generated 23 warnings (run `cargo fix --bin "netswap_rs" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/netswap_rs-ccb19574cf311e1d)
[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" "c80f2d706fb2a70cf6616d845d0727528f56904b9b39a0d175b08a24590e45c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80f2d706fb2a70cf6616d845d0727528f56904b9b39a0d175b08a24590e45c1", kill_on_drop: false }`
[INFO] [stdout] c80f2d706fb2a70cf6616d845d0727528f56904b9b39a0d175b08a24590e45c1