[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 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakotoMiyamoto%2Fmcclient" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MakotoMiyamoto/mcclient on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d385936c4a93b54ad74b673a6a7a895abbefe1bce5db477c9992c60d0a3134de
[INFO] running `Command { std: "docker" "start" "-a" "d385936c4a93b54ad74b673a6a7a895abbefe1bce5db477c9992c60d0a3134de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d385936c4a93b54ad74b673a6a7a895abbefe1bce5db477c9992c60d0a3134de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d385936c4a93b54ad74b673a6a7a895abbefe1bce5db477c9992c60d0a3134de", kill_on_drop: false }`
[INFO] [stdout] d385936c4a93b54ad74b673a6a7a895abbefe1bce5db477c9992c60d0a3134de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f83b901024a3812c784d613af7c9d806704eb4fd77eddb6b3913993f6bc7dc3
[INFO] running `Command { std: "docker" "start" "-a" "3f83b901024a3812c784d613af7c9d806704eb4fd77eddb6b3913993f6bc7dc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling serde v1.0.164
[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 serde_json v1.0.97
[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)]` 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 2.62s
[INFO] running `Command { std: "docker" "inspect" "3f83b901024a3812c784d613af7c9d806704eb4fd77eddb6b3913993f6bc7dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f83b901024a3812c784d613af7c9d806704eb4fd77eddb6b3913993f6bc7dc3", kill_on_drop: false }`
[INFO] [stdout] 3f83b901024a3812c784d613af7c9d806704eb4fd77eddb6b3913993f6bc7dc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 711cfb360b34ae56e3fc60523d24cd1a3a3a962269e6ba7a3e6e14d6751a395e
[INFO] running `Command { std: "docker" "start" "-a" "711cfb360b34ae56e3fc60523d24cd1a3a3a962269e6ba7a3e6e14d6751a395e", 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)]` 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "711cfb360b34ae56e3fc60523d24cd1a3a3a962269e6ba7a3e6e14d6751a395e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711cfb360b34ae56e3fc60523d24cd1a3a3a962269e6ba7a3e6e14d6751a395e", kill_on_drop: false }`
[INFO] [stdout] 711cfb360b34ae56e3fc60523d24cd1a3a3a962269e6ba7a3e6e14d6751a395e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 007f2aa34d86a4ba5349a23a70f2ca8df7ab29b910df37aaf65a0e307c0238e6
[INFO] running `Command { std: "docker" "start" "-a" "007f2aa34d86a4ba5349a23a70f2ca8df7ab29b910df37aaf65a0e307c0238e6", 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)]` 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcclient-39ef6cc7e8e675f6)
[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::outbound_packet_serialization ... ok
[INFO] [stdout] test tests::tests::from_varint_to_i32 ... 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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mcclient-9779eb832b008511)
[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' 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:     0x5e1e71ed81e2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e1e71ed81e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e1e71ed81e2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e1e71ed81e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e1e71ef5663 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e1e71ef5663 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5e1e71ed57b3 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e1e71ed57b3 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e1e71ed8032 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e1e71ed90c3 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e1e71ed8ea5 - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5e1e71ed9995 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5e1e71ed982a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5e1e71ed86d9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5e1e71ed94bd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5e1e71ef4930 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5e1e71ef4cc6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   17:     0x5e1e71eab252 - core::result::Result<T,E>::expect::h062d7b95d559fc2b
[INFO] [stdout]   18:     0x5e1e71eab621 - rust_out::main::_doctest_main_src_mc_connection_rs_27_0::h21b4bf97af9bccbe
[INFO] [stdout]   19:     0x5e1e71eab5c6 - rust_out::main::h2d10ba762d3f8adf
[INFO] [stdout]   20:     0x5e1e71eab013 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc
[INFO] [stdout]   21:     0x5e1e71eaaff6 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1
[INFO] [stdout]   22:     0x5e1e71eaafd9 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e
[INFO] [stdout]   23:     0x5e1e71ed2890 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h638295a043b40957
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21
[INFO] [stdout]   24:     0x5e1e71ed2890 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   25:     0x5e1e71ed2890 - std::panicking::catch_unwind::h50591d85bf847c7c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   26:     0x5e1e71ed2890 - std::panic::catch_unwind::h2487b4c4f2ae22c6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x5e1e71ed2890 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x5e1e71ed2890 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5e1e71ed2890 - std::panicking::catch_unwind::hf9a822ea043fb0d6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5e1e71ed2890 - std::panic::catch_unwind::h5b3cac802237ed89
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5e1e71ed2890 - std::rt::lang_start_internal::h34f9328d113fd60a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x5e1e71eaafc1 - std::rt::lang_start::h8f736fe0a226e45f
[INFO] [stdout]   33:     0x5e1e71eab6e5 - main
[INFO] [stdout]   34:     0x70b9e396c1ca - <unknown>
[INFO] [stdout]   35:     0x70b9e396c28b - __libc_start_main
[INFO] [stdout]   36:     0x5e1e71eaa725 - _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 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "007f2aa34d86a4ba5349a23a70f2ca8df7ab29b910df37aaf65a0e307c0238e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007f2aa34d86a4ba5349a23a70f2ca8df7ab29b910df37aaf65a0e307c0238e6", kill_on_drop: false }`
[INFO] [stdout] 007f2aa34d86a4ba5349a23a70f2ca8df7ab29b910df37aaf65a0e307c0238e6
