[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] checking jamesmcl113/mudv2 against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmcl113%2Fmudv2" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jamesmcl113/mudv2 on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f110c822b0538d4ce269068d138fe6fe41f9a81e9502fab2a0e93a5796c97d22
[INFO] running `Command { std: "docker" "start" "-a" "f110c822b0538d4ce269068d138fe6fe41f9a81e9502fab2a0e93a5796c97d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f110c822b0538d4ce269068d138fe6fe41f9a81e9502fab2a0e93a5796c97d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f110c822b0538d4ce269068d138fe6fe41f9a81e9502fab2a0e93a5796c97d22", kill_on_drop: false }`
[INFO] [stdout] f110c822b0538d4ce269068d138fe6fe41f9a81e9502fab2a0e93a5796c97d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf282606bf42e8ec7930dbf38ad7495a8579decb1e1e944465879b58ddf28bf
[INFO] running `Command { std: "docker" "start" "-a" "aaf282606bf42e8ec7930dbf38ad7495a8579decb1e1e944465879b58ddf28bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking allocator-api2 v0.2.16
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[INFO] [stderr]    Compiling tokio-macros v2.2.0
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[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]     Checking tokio v1.36.0
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[INFO] [stderr]     Checking futures-executor v0.3.30
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[INFO] [stderr]     Checking tokio-stream v0.1.14
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[INFO] [stderr]     Checking 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 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: `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: 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: 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: 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] [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 20.89s
[INFO] running `Command { std: "docker" "inspect" "aaf282606bf42e8ec7930dbf38ad7495a8579decb1e1e944465879b58ddf28bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf282606bf42e8ec7930dbf38ad7495a8579decb1e1e944465879b58ddf28bf", kill_on_drop: false }`
[INFO] [stdout] aaf282606bf42e8ec7930dbf38ad7495a8579decb1e1e944465879b58ddf28bf
