[INFO] cloning repository https://github.com/jamesmcl113/mudv2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamesmcl113/mudv2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmcl113%2Fmudv2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmcl113%2Fmudv2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0634cda7c585cce54ba2aa39258b125f0d8e5046
[INFO] testing jamesmcl113/mudv2 against 1.85.0 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmcl113%2Fmudv2" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamesmcl113/mudv2 on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamesmcl113/mudv2
[INFO] finished tweaking git repo https://github.com/jamesmcl113/mudv2
[INFO] tweaked toml for git repo https://github.com/jamesmcl113/mudv2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jamesmcl113/mudv2 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 976e3ca18a601f62975ffab3d9c23851f842a23ce970e80c14308af858923674
[INFO] running `Command { std: "docker" "start" "-a" "976e3ca18a601f62975ffab3d9c23851f842a23ce970e80c14308af858923674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "976e3ca18a601f62975ffab3d9c23851f842a23ce970e80c14308af858923674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976e3ca18a601f62975ffab3d9c23851f842a23ce970e80c14308af858923674", kill_on_drop: false }`
[INFO] [stdout] 976e3ca18a601f62975ffab3d9c23851f842a23ce970e80c14308af858923674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2212aef1e4d9bddaee78b820a911f856a5337e36036c31920105148d30ad483
[INFO] running `Command { std: "docker" "start" "-a" "b2212aef1e4d9bddaee78b820a911f856a5337e36036c31920105148d30ad483", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-conv v0.1.0
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[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling castaway v0.2.2
[INFO] [stderr]    Compiling compact_str v0.7.1
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling lru v0.12.3
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling stability v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling strum v0.26.2
[INFO] [stderr]    Compiling ratatui v0.26.1
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling mudv2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/canvas.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, fmt::Display};
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, error::Error, net::SocketAddr, sync::Arc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PeerData`
[INFO] [stdout]   --> src/main.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use shared::{PeerData, Shared};
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Some(Err(e)) => {}
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/peer.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn render(&mut self, state: &PeerData) -> Vec<u8> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `canvas::Cell` is more private than the item `RenderBuffer::cell_at`
[INFO] [stdout]    --> src/canvas.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     pub fn cell_at(&self, x: usize, y: usize) -> &Cell {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `RenderBuffer::cell_at` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `canvas::Cell` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/canvas.rs:31:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | struct Cell {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `width`, `height`, `draw_border`, and `set_text` are never used
[INFO] [stdout]    --> src/canvas.rs:82:12
[INFO] [stdout]     |
[INFO] [stdout] 73  | impl RenderBuffer {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82  |     pub fn width(&self) -> usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86  |     pub fn height(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn draw_border(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn set_text(
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]    --> src/canvas.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub struct Canvas {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 201 |     buffer: RenderBuffer,
[INFO] [stdout] 202 |     width: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 203 |     height: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `terminal` and `last_buffer` are never read
[INFO] [stdout]   --> src/peer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Peer {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 14 |     pub rx: Rx,
[INFO] [stdout] 15 |     terminal: TelnetTerminal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     last_buffer: Buffer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `render` is never used
[INFO] [stdout]   --> src/peer.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Peer {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn render(&mut self, state: &PeerData) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cells_to_bytes` is never used
[INFO] [stdout]   --> src/peer.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn cells_to_bytes(changes: &[(u16, u16, &Cell)]) -> Result<Vec<u8>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_peer_data` is never used
[INFO] [stdout]   --> src/shared.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Shared {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn get_peer_data(&self, socket_addr: &SocketAddr) -> Option<&PeerData> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Login` is never constructed
[INFO] [stdout]   --> src/shared.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub enum PeerState {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 88 |     Login,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/shared.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct PeerData {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 93 |     tx: Tx,
[INFO] [stdout] 94 |     state: PeerState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.54s
[INFO] running `Command { std: "docker" "inspect" "b2212aef1e4d9bddaee78b820a911f856a5337e36036c31920105148d30ad483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2212aef1e4d9bddaee78b820a911f856a5337e36036c31920105148d30ad483", kill_on_drop: false }`
[INFO] [stdout] b2212aef1e4d9bddaee78b820a911f856a5337e36036c31920105148d30ad483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226034fdf249af1887737203e0fe638540e1a44ba31d6f1410a395a2093b6bad
[INFO] running `Command { std: "docker" "start" "-a" "226034fdf249af1887737203e0fe638540e1a44ba31d6f1410a395a2093b6bad", kill_on_drop: false }`
[INFO] [stderr]    Compiling mudv2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/canvas.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{error::Error, fmt::Display};
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{collections::HashMap, error::Error, net::SocketAddr, sync::Arc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PeerData`
[INFO] [stdout]   --> src/main.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | use shared::{PeerData, Shared};
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Some(Err(e)) => {}
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/peer.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn render(&mut self, state: &PeerData) -> Vec<u8> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `canvas::Cell` is more private than the item `RenderBuffer::cell_at`
[INFO] [stdout]    --> src/canvas.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     pub fn cell_at(&self, x: usize, y: usize) -> &Cell {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `RenderBuffer::cell_at` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `canvas::Cell` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/canvas.rs:31:1
[INFO] [stdout]     |
[INFO] [stdout] 31  | struct Cell {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `width`, `height`, `draw_border`, and `set_text` are never used
[INFO] [stdout]    --> src/canvas.rs:82:12
[INFO] [stdout]     |
[INFO] [stdout] 73  | impl RenderBuffer {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82  |     pub fn width(&self) -> usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86  |     pub fn height(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn draw_border(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn set_text(
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]    --> src/canvas.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub struct Canvas {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 201 |     buffer: RenderBuffer,
[INFO] [stdout] 202 |     width: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 203 |     height: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `terminal` and `last_buffer` are never read
[INFO] [stdout]   --> src/peer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Peer {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 14 |     pub rx: Rx,
[INFO] [stdout] 15 |     terminal: TelnetTerminal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     last_buffer: Buffer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `render` is never used
[INFO] [stdout]   --> src/peer.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Peer {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn render(&mut self, state: &PeerData) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cells_to_bytes` is never used
[INFO] [stdout]   --> src/peer.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn cells_to_bytes(changes: &[(u16, u16, &Cell)]) -> Result<Vec<u8>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_peer_data` is never used
[INFO] [stdout]   --> src/shared.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Shared {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn get_peer_data(&self, socket_addr: &SocketAddr) -> Option<&PeerData> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Login` is never constructed
[INFO] [stdout]   --> src/shared.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub enum PeerState {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 88 |     Login,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/shared.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct PeerData {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 93 |     tx: Tx,
[INFO] [stdout] 94 |     state: PeerState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "226034fdf249af1887737203e0fe638540e1a44ba31d6f1410a395a2093b6bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226034fdf249af1887737203e0fe638540e1a44ba31d6f1410a395a2093b6bad", kill_on_drop: false }`
[INFO] [stdout] 226034fdf249af1887737203e0fe638540e1a44ba31d6f1410a395a2093b6bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c3321279de88513848bb1df805a7b6d92a58eb5ed9b30ed29fbc3707521dc3b
[INFO] running `Command { std: "docker" "start" "-a" "9c3321279de88513848bb1df805a7b6d92a58eb5ed9b30ed29fbc3707521dc3b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]  --> src/canvas.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{error::Error, fmt::Display};
[INFO] [stderr]   |           ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections::HashMap`
[INFO] [stderr]  --> src/main.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::{collections::HashMap, error::Error, net::SocketAddr, sync::Arc};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PeerData`
[INFO] [stderr]   --> src/main.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 | use shared::{PeerData, Shared};
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:97:26
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 Some(Err(e)) => {}
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/peer.rs:52:30
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn render(&mut self, state: &PeerData) -> Vec<u8> {
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: type `canvas::Cell` is more private than the item `RenderBuffer::cell_at`
[INFO] [stderr]    --> src/canvas.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     pub fn cell_at(&self, x: usize, y: usize) -> &Cell {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `RenderBuffer::cell_at` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `canvas::Cell` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/canvas.rs:31:1
[INFO] [stderr]     |
[INFO] [stderr] 31  | struct Cell {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `width`, `height`, `draw_border`, and `set_text` are never used
[INFO] [stderr]    --> src/canvas.rs:82:12
[INFO] [stderr]     |
[INFO] [stderr] 73  | impl RenderBuffer {
[INFO] [stderr]     | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 82  |     pub fn width(&self) -> usize {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 86  |     pub fn height(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     pub fn draw_border(
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 152 |     pub fn set_text(
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `width` and `height` are never read
[INFO] [stderr]    --> src/canvas.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 200 | pub struct Canvas {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 201 |     buffer: RenderBuffer,
[INFO] [stderr] 202 |     width: usize,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 203 |     height: usize,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `terminal` and `last_buffer` are never read
[INFO] [stderr]   --> src/peer.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Peer {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 14 |     pub rx: Rx,
[INFO] [stderr] 15 |     terminal: TelnetTerminal,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 16 |     last_buffer: Buffer,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `render` is never used
[INFO] [stderr]   --> src/peer.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Peer {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn render(&mut self, state: &PeerData) -> Vec<u8> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cells_to_bytes` is never used
[INFO] [stderr]   --> src/peer.rs:70:4
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn cells_to_bytes(changes: &[(u16, u16, &Cell)]) -> Result<Vec<u8>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_peer_data` is never used
[INFO] [stderr]   --> src/shared.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Shared {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 78 |     pub fn get_peer_data(&self, socket_addr: &SocketAddr) -> Option<&PeerData> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Login` is never constructed
[INFO] [stderr]   --> src/shared.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub enum PeerState {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] 88 |     Login,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `state` is never read
[INFO] [stderr]   --> src/shared.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub struct PeerData {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] 93 |     tx: Tx,
[INFO] [stderr] 94 |     state: PeerState,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mudv2` (bin "mudv2" test) generated 14 warnings (run `cargo fix --bin "mudv2" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mudv2-95794f7b9baf6d2d)
[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" "9c3321279de88513848bb1df805a7b6d92a58eb5ed9b30ed29fbc3707521dc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3321279de88513848bb1df805a7b6d92a58eb5ed9b30ed29fbc3707521dc3b", kill_on_drop: false }`
[INFO] [stdout] 9c3321279de88513848bb1df805a7b6d92a58eb5ed9b30ed29fbc3707521dc3b