[INFO] cloning repository https://github.com/MakotoMiyamoto/mcclient
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MakotoMiyamoto/mcclient" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakotoMiyamoto%2Fmcclient", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakotoMiyamoto%2Fmcclient'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e51a91b1ff19141d9a3f306d9640b17c5fb6d63
[INFO] testing MakotoMiyamoto/mcclient against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakotoMiyamoto%2Fmcclient" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MakotoMiyamoto/mcclient
[INFO] finished tweaking git repo https://github.com/MakotoMiyamoto/mcclient
[INFO] tweaked toml for git repo https://github.com/MakotoMiyamoto/mcclient written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MakotoMiyamoto/mcclient on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MakotoMiyamoto/mcclient 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8be9a2d93414223847084134dd2caab8be3478b1c32f78fa5eeb3e60b0586861
[INFO] running `Command { std: "docker" "start" "-a" "8be9a2d93414223847084134dd2caab8be3478b1c32f78fa5eeb3e60b0586861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8be9a2d93414223847084134dd2caab8be3478b1c32f78fa5eeb3e60b0586861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be9a2d93414223847084134dd2caab8be3478b1c32f78fa5eeb3e60b0586861", kill_on_drop: false }`
[INFO] [stdout] 8be9a2d93414223847084134dd2caab8be3478b1c32f78fa5eeb3e60b0586861
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab1297f2a3ba3ff9099004b1b9bace595b478a6dfdaa9a0821cbb89146cff12c
[INFO] running `Command { std: "docker" "start" "-a" "ab1297f2a3ba3ff9099004b1b9bace595b478a6dfdaa9a0821cbb89146cff12c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling serde_json v1.0.97
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uuid v1.3.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mcclient v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Connection` is never used
[INFO] [stdout]   --> src/mc/connection.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub trait Connection: Sized {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OfflineConnection` is never constructed
[INFO] [stdout]   --> src/mc/connection.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct OfflineConnection {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_bytes` and `size` are never used
[INFO] [stdout]   --> src/mc/mctypes.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait MCType: Sized {
[INFO] [stdout]    |           ------ associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout]  9 |     fn from_bytes(bytes: &[u8]) -> Result<Self, io::Error>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn size(&self) -> i32;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_vec_front` and `bytes` are never used
[INFO] [stdout]    --> src/mc/mctypes.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 193 | impl VarInt {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn from_vec_front(vec: &mut Vec<u8>) -> Result<Self, io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |     pub fn bytes(&self) -> &[u8] {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OutboundPacket` is never used
[INFO] [stdout]   --> src/mc/packet/mod.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait OutboundPacket {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_data` and `packet_id` are never used
[INFO] [stdout]   --> src/mc/packet/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait InboundPacket: Sized {
[INFO] [stdout]    |           ------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn from_data(packet: &ClientboundRawPacket) -> Result<Self, io::Error>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn packet_id(&self) -> i32;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OutboundPacketBuffer` is never constructed
[INFO] [stdout]   --> src/mc/packet/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct OutboundPacketBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `data` is never used
[INFO] [stdout]   --> src/mc/packet/mod.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl OutboundPacketBuffer {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] 49 |     pub fn data(&self) -> &Vec<u8> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize_packet` is never used
[INFO] [stdout]   --> src/mc/packet/mod.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn serialize_packet(data: &dyn OutboundPacket) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `id` are never read
[INFO] [stdout]   --> src/mc/packet/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct MCPacketHeader {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 69 |     pub size: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 70 |     pub id: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_packet_header` is never used
[INFO] [stdout]   --> src/mc/packet/mod.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn read_packet_header(bytes: &mut Vec<u8>) -> Result<MCPacketHeader, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]    --> src/mc/packet/mod.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl MCPacketHeader {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn from_bytes(bytes: &mut Vec<u8>) -> Result<Self, io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/mc/packet/mod.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct ClientboundRawPacket {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 111 |     pub header: MCPacketHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]    --> src/mc/packet/mod.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl ClientboundRawPacket {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn from_bytes(bytes: &mut Vec<u8>) -> Result<ClientboundRawPacket, io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoginSuccess` is never constructed
[INFO] [stdout]  --> src/mc/packet/clientbound/login_success.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LoginSuccess {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingResponse` is never constructed
[INFO] [stdout]  --> src/mc/packet/clientbound/ping_response.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct PingResponse {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `json_response` is never read
[INFO] [stdout]  --> src/mc/packet/clientbound/status_response.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct StatusResponse {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 9 |     pub json_response: JsonResponse,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HANDSHAKE_PACKET_ID` is never used
[INFO] [stdout]  --> src/mc/packet/packet_ids.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub const HANDSHAKE_PACKET_ID: i32 =        0x00;
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STATUS_REQUEST` is never used
[INFO] [stdout]  --> src/mc/packet/packet_ids.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub const STATUS_REQUEST: i32 =             0x00;
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGIN_START` is never used
[INFO] [stdout]  --> src/mc/packet/packet_ids.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub const LOGIN_START: i32 =                0x00;
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Handshake` is never constructed
[INFO] [stdout]   --> src/mc/packet/serverbound/handshake.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Handshake {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoginStart` is never constructed
[INFO] [stdout]  --> src/mc/packet/serverbound/login_start.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LoginStart {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StatusRequest` is never constructed
[INFO] [stdout]  --> src/mc/packet/serverbound/status_request.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct StatusRequest;
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PacketBytesBuilder` is never constructed
[INFO] [stdout]   --> src/mc/packet/builder.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct PacketBytesBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/mc/packet/builder.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl PacketBytesBuilder {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 19 |     /// Constructs a packet builder with an empty byte vector.
[INFO] [stdout] 20 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn append_uuid(mut self, uuid: &uuid::Uuid) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn append_string<S: Into<String>>(mut self, to_string: S) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn append_bool(mut self, value: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn append_varint(mut self, value: &VarInt) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn append_u16(mut self, value: u16) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn append_bytes(mut self, bytes: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn build(&mut self) -> Vec<u8> { std::mem::take(&mut self.byte_buffer) }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinecraftStream` is never constructed
[INFO] [stdout]   --> src/mc/stream.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MinecraftStream {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `connect`, `write`, `send`, `flush`, and `read` are never used
[INFO] [stdout]   --> src/mc/stream.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl MinecraftStream {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn connect<T: ToSocketAddrs>(addr: T) -> Result<Self, io::Error> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn write(&mut self, packet: &dyn OutboundPacket) -> Result<(), io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn send(&mut self, packet: &dyn OutboundPacket) -> Result<(), io::Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn flush(&mut self) -> Result<(), io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn read(&mut self) -> Result<ClientboundRawPacket, io::Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "ab1297f2a3ba3ff9099004b1b9bace595b478a6dfdaa9a0821cbb89146cff12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1297f2a3ba3ff9099004b1b9bace595b478a6dfdaa9a0821cbb89146cff12c", kill_on_drop: false }`
[INFO] [stdout] ab1297f2a3ba3ff9099004b1b9bace595b478a6dfdaa9a0821cbb89146cff12c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da99a1bf90efcfe01982b80dfcdf4791a7b08e7f01e2047e1d71983ffe0299aa
[INFO] running `Command { std: "docker" "start" "-a" "da99a1bf90efcfe01982b80dfcdf4791a7b08e7f01e2047e1d71983ffe0299aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcclient v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Connection` is never used
[INFO] [stdout]   --> src/mc/connection.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub trait Connection: Sized {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OfflineConnection` is never constructed
[INFO] [stdout]   --> src/mc/connection.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct OfflineConnection {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_bytes` and `size` are never used
[INFO] [stdout]   --> src/mc/mctypes.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait MCType: Sized {
[INFO] [stdout]    |           ------ associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout]  9 |     fn from_bytes(bytes: &[u8]) -> Result<Self, io::Error>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn size(&self) -> i32;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_vec_front` is never used
[INFO] [stdout]    --> src/mc/mctypes.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 193 | impl VarInt {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn from_vec_front(vec: &mut Vec<u8>) -> Result<Self, io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_data` and `packet_id` are never used
[INFO] [stdout]   --> src/mc/packet/mod.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait InboundPacket: Sized {
[INFO] [stdout]    |           ------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn from_data(packet: &ClientboundRawPacket) -> Result<Self, io::Error>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn packet_id(&self) -> i32;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `id` are never read
[INFO] [stdout]   --> src/mc/packet/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct MCPacketHeader {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 69 |     pub size: i32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 70 |     pub id: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_packet_header` is never used
[INFO] [stdout]   --> src/mc/packet/mod.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn read_packet_header(bytes: &mut Vec<u8>) -> Result<MCPacketHeader, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]    --> src/mc/packet/mod.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl MCPacketHeader {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn from_bytes(bytes: &mut Vec<u8>) -> Result<Self, io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/mc/packet/mod.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct ClientboundRawPacket {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 111 |     pub header: MCPacketHeader,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]    --> src/mc/packet/mod.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl ClientboundRawPacket {
[INFO] [stdout]     | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn from_bytes(bytes: &mut Vec<u8>) -> Result<ClientboundRawPacket, io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoginSuccess` is never constructed
[INFO] [stdout]  --> src/mc/packet/clientbound/login_success.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LoginSuccess {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingResponse` is never constructed
[INFO] [stdout]  --> src/mc/packet/clientbound/ping_response.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct PingResponse {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `json_response` is never read
[INFO] [stdout]  --> src/mc/packet/clientbound/status_response.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct StatusResponse {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 9 |     pub json_response: JsonResponse,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGIN_START` is never used
[INFO] [stdout]  --> src/mc/packet/packet_ids.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub const LOGIN_START: i32 =                0x00;
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoginStart` is never constructed
[INFO] [stdout]  --> src/mc/packet/serverbound/login_start.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LoginStart {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `append_uuid` and `append_bool` are never used
[INFO] [stdout]   --> src/mc/packet/builder.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl PacketBytesBuilder {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn append_uuid(mut self, uuid: &uuid::Uuid) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn append_bool(mut self, value: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinecraftStream` is never constructed
[INFO] [stdout]   --> src/mc/stream.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct MinecraftStream {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `connect`, `write`, `send`, `flush`, and `read` are never used
[INFO] [stdout]   --> src/mc/stream.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl MinecraftStream {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn connect<T: ToSocketAddrs>(addr: T) -> Result<Self, io::Error> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn write(&mut self, packet: &dyn OutboundPacket) -> Result<(), io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn send(&mut self, packet: &dyn OutboundPacket) -> Result<(), io::Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn flush(&mut self) -> Result<(), io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn read(&mut self) -> Result<ClientboundRawPacket, io::Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "da99a1bf90efcfe01982b80dfcdf4791a7b08e7f01e2047e1d71983ffe0299aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da99a1bf90efcfe01982b80dfcdf4791a7b08e7f01e2047e1d71983ffe0299aa", kill_on_drop: false }`
[INFO] [stdout] da99a1bf90efcfe01982b80dfcdf4791a7b08e7f01e2047e1d71983ffe0299aa
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2153f493f42b00ed4d34247da0b51ba054626dfae24702389528881196a17baa
[INFO] running `Command { std: "docker" "start" "-a" "2153f493f42b00ed4d34247da0b51ba054626dfae24702389528881196a17baa", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Connection` is never used
[INFO] [stderr]   --> src/mc/connection.rs:35:11
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub trait Connection: Sized {
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `OfflineConnection` is never constructed
[INFO] [stderr]   --> src/mc/connection.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub struct OfflineConnection {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `from_bytes` and `size` are never used
[INFO] [stderr]   --> src/mc/mctypes.rs:9:8
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub trait MCType: Sized {
[INFO] [stderr]    |           ------ associated items in this trait
[INFO] [stderr] ...
[INFO] [stderr]  9 |     fn from_bytes(bytes: &[u8]) -> Result<Self, io::Error>;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     fn size(&self) -> i32;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_vec_front` is never used
[INFO] [stderr]    --> src/mc/mctypes.rs:199:12
[INFO] [stderr]     |
[INFO] [stderr] 193 | impl VarInt {
[INFO] [stderr]     | ----------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 199 |     pub fn from_vec_front(vec: &mut Vec<u8>) -> Result<Self, io::Error> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `from_data` and `packet_id` are never used
[INFO] [stderr]   --> src/mc/packet/mod.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub trait InboundPacket: Sized {
[INFO] [stderr]    |           ------------- associated items in this trait
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn from_data(packet: &ClientboundRawPacket) -> Result<Self, io::Error>;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn packet_id(&self) -> i32;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `size` and `id` are never read
[INFO] [stderr]   --> src/mc/packet/mod.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub struct MCPacketHeader {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 69 |     pub size: i32,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 70 |     pub id: i32,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_packet_header` is never used
[INFO] [stderr]   --> src/mc/packet/mod.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn read_packet_header(bytes: &mut Vec<u8>) -> Result<MCPacketHeader, io::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_bytes` is never used
[INFO] [stderr]    --> src/mc/packet/mod.rs:103:12
[INFO] [stderr]     |
[INFO] [stderr]  96 | impl MCPacketHeader {
[INFO] [stderr]     | ------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 103 |     pub fn from_bytes(bytes: &mut Vec<u8>) -> Result<Self, io::Error> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `header` is never read
[INFO] [stderr]    --> src/mc/packet/mod.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub struct ClientboundRawPacket {
[INFO] [stderr]     |            -------------------- field in this struct
[INFO] [stderr] 111 |     pub header: MCPacketHeader,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_bytes` is never used
[INFO] [stderr]    --> src/mc/packet/mod.rs:119:12
[INFO] [stderr]     |
[INFO] [stderr] 115 | impl ClientboundRawPacket {
[INFO] [stderr]     | ------------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 119 |     pub fn from_bytes(bytes: &mut Vec<u8>) -> Result<ClientboundRawPacket, io::Error> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LoginSuccess` is never constructed
[INFO] [stderr]  --> src/mc/packet/clientbound/login_success.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct LoginSuccess {}
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PingResponse` is never constructed
[INFO] [stderr]  --> src/mc/packet/clientbound/ping_response.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct PingResponse {}
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `json_response` is never read
[INFO] [stderr]  --> src/mc/packet/clientbound/status_response.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct StatusResponse {
[INFO] [stderr]   |            -------------- field in this struct
[INFO] [stderr] 9 |     pub json_response: JsonResponse,
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LOGIN_START` is never used
[INFO] [stderr]  --> src/mc/packet/packet_ids.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub const LOGIN_START: i32 =                0x00;
[INFO] [stderr]   |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LoginStart` is never constructed
[INFO] [stderr]  --> src/mc/packet/serverbound/login_start.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct LoginStart {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `append_uuid` and `append_bool` are never used
[INFO] [stderr]   --> src/mc/packet/builder.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl PacketBytesBuilder {
[INFO] [stderr]    | ----------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn append_uuid(mut self, uuid: &uuid::Uuid) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn append_bool(mut self, value: bool) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MinecraftStream` is never constructed
[INFO] [stderr]   --> src/mc/stream.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct MinecraftStream {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `connect`, `write`, `send`, `flush`, and `read` are never used
[INFO] [stderr]   --> src/mc/stream.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl MinecraftStream {
[INFO] [stderr]    | -------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn connect<T: ToSocketAddrs>(addr: T) -> Result<Self, io::Error> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn write(&mut self, packet: &dyn OutboundPacket) -> Result<(), io::Error> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     pub fn send(&mut self, packet: &dyn OutboundPacket) -> Result<(), io::Error> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn flush(&mut self) -> Result<(), io::Error> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     pub fn read(&mut self) -> Result<ClientboundRawPacket, io::Error> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mcclient` (bin "mcclient" test) generated 18 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcclient-03fd32ba6cb44129)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::tests::from_bytes_to_varint ... ok
[INFO] [stdout] test tests::tests::from_i32_to_varint ... ok
[INFO] [stdout] test tests::tests::from_varint_to_i32 ... ok
[INFO] [stdout] test tests::tests::outbound_packet_serialization ... ok
[INFO] [stdout] test tests::tests::status_request_packet_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mcclient-aa4e2cd0a37c2c2c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::tests::from_bytes_to_varint ... ok
[INFO] [stdout] test tests::tests::from_i32_to_varint ... ok
[INFO] [stdout] test tests::tests::from_varint_to_i32 ... ok
[INFO] [stdout] test tests::tests::outbound_packet_serialization ... ok
[INFO] [stdout] test tests::tests::status_request_packet_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcclient
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/mc/mctypes.rs - mc::mctypes::MCType::size (line 12) ... ok
[INFO] [stdout] test src/mc/connection.rs - mc::connection::Connection (line 27) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/mc/connection.rs - mc::connection::Connection (line 27) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (94) panicked at src/mc/connection.rs:7:69:
[INFO] [stdout] Could not connect: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x578fbdc43412 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x578fbdc43412 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x578fbdc43412 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x578fbdc43412 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x578fbdc526ff - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x578fbdc526ff - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x578fbdc20333 - std::io::default_write_fmt::hf7668c9f69c3a921
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x578fbdc20333 - std::io::Write::write_fmt::ha6503cd07dd1d506
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x578fbdc26592 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x578fbdc27e8c - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x578fbdc27ce6 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x578fbdc28465 - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x578fbdc282fa - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x578fbdc266c9 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x578fbdc14d3d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x578fbdc569c0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x578fbdc56196 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x578fbdc0a522 - core::result::Result<T,E>::expect::he7e5cbc29d8a5f29
[INFO] [stdout]   18:     0x578fbdc0a7b1 - rust_out::main::_doctest_main_src_mc_connection_rs_27_0::h9051b902419a2bdb
[INFO] [stdout]   19:     0x578fbdc0a756 - rust_out::main::hca4b1f7e004a5b5b
[INFO] [stdout]   20:     0x578fbdc0a1e3 - core::ops::function::FnOnce::call_once::hd1d9844f43ba9ade
[INFO] [stdout]   21:     0x578fbdc0a186 - std::sys::backtrace::__rust_begin_short_backtrace::h1b07d04bd89bf1d2
[INFO] [stdout]   22:     0x578fbdc0a169 - std::rt::lang_start::{{closure}}::h195b227e6d961974
[INFO] [stdout]   23:     0x578fbdc219b0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfe01ef9c04091e5f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x578fbdc219b0 - std::panicking::catch_unwind::do_call::h3720541c1dc2745c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   25:     0x578fbdc219b0 - std::panicking::catch_unwind::hf812e1c72a8544c2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   26:     0x578fbdc219b0 - std::panic::catch_unwind::h9e80dffea8831154
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x578fbdc219b0 - std::rt::lang_start_internal::{{closure}}::h03410fa218b2c977
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x578fbdc219b0 - std::panicking::catch_unwind::do_call::hcc46efa18e4a9c15
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x578fbdc219b0 - std::panicking::catch_unwind::hc0afbf6668eb863a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x578fbdc219b0 - std::panic::catch_unwind::h9640c0d1343096b8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x578fbdc219b0 - std::rt::lang_start_internal::hea659f61d058debe
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x578fbdc0a151 - std::rt::lang_start::h1eafb7a9125a057d
[INFO] [stdout]   33:     0x578fbdc0a875 - main
[INFO] [stdout]   34:     0x7b5d7ec9f1ca - <unknown>
[INFO] [stdout]   35:     0x7b5d7ec9f28b - __libc_start_main
[INFO] [stdout]   36:     0x578fbdc098d5 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/mc/connection.rs - mc::connection::Connection (line 27)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2153f493f42b00ed4d34247da0b51ba054626dfae24702389528881196a17baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2153f493f42b00ed4d34247da0b51ba054626dfae24702389528881196a17baa", kill_on_drop: false }`
[INFO] [stdout] 2153f493f42b00ed4d34247da0b51ba054626dfae24702389528881196a17baa
