[INFO] cloning repository https://github.com/adivasile/editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adivasile/editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadivasile%2Feditor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadivasile%2Feditor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23df88ae3b17e336344d4c59323f3fc71b3fd652
[INFO] checking adivasile/editor against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadivasile%2Feditor" "/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/adivasile/editor on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adivasile/editor
[INFO] finished tweaking git repo https://github.com/adivasile/editor
[INFO] tweaked toml for git repo https://github.com/adivasile/editor written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/adivasile/editor 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.21.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b99420f12e80c01cad88781748b7c9c9d22389155db9d655716d6a4eb3c16b
[INFO] running `Command { std: "docker" "start" "-a" "f7b99420f12e80c01cad88781748b7c9c9d22389155db9d655716d6a4eb3c16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b99420f12e80c01cad88781748b7c9c9d22389155db9d655716d6a4eb3c16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b99420f12e80c01cad88781748b7c9c9d22389155db9d655716d6a4eb3c16b", kill_on_drop: false }`
[INFO] [stdout] f7b99420f12e80c01cad88781748b7c9c9d22389155db9d655716d6a4eb3c16b
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 862311b9f641f23ce657d39f888f335caa0a712fd49d21fb7a51f96beda5ebfa
[INFO] running `Command { std: "docker" "start" "-a" "862311b9f641f23ce657d39f888f335caa0a712fd49d21fb7a51f96beda5ebfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]     Checking editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `editor_contents`
[INFO] [stdout]  --> src/frame.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{prelude::*, editor_contents};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]   --> src/main.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub use crossterm::terminal::{*, ClearType, EnterAlternateScreen, LeaveAlternateScreen };
[INFO] [stdout]    |                                   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossterm::event::*`
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub use crossterm::event::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::renderer::*`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub use crate::renderer::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `editor_contents`
[INFO] [stdout]  --> src/frame.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{prelude::*, editor_contents};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]   --> src/main.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub use crossterm::terminal::{*, ClearType, EnterAlternateScreen, LeaveAlternateScreen };
[INFO] [stdout]    |                                   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossterm::event::*`
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub use crossterm::event::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::renderer::*`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub use crate::renderer::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `columns` is never read
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Editor {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     columns: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_blank` is never used
[INFO] [stdout]    --> src/buffer.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Buffer {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn is_blank(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push`, `push_line`, and `push_welcome_message` are never used
[INFO] [stdout]   --> src/editor_contents.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl EditorContents {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn push(&mut self, ch: char) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn push_line(&mut self, string: &str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn push_welcome_message(&mut self, screen_columns: usize, screen_rows: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_cursor` is never used
[INFO] [stdout]   --> src/cursor_controller.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl CursorController {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn reset_cursor(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lines` and `columns` are never read
[INFO] [stdout]  --> src/renderer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Renderer {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 4 |     lines: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     columns: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/renderer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Renderer {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(columns: usize, lines: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `columns` is never read
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Editor {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     columns: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_blank` is never used
[INFO] [stdout]    --> src/buffer.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Buffer {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn is_blank(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push`, `push_line`, and `push_welcome_message` are never used
[INFO] [stdout]   --> src/editor_contents.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl EditorContents {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn push(&mut self, ch: char) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn push_line(&mut self, string: &str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn push_welcome_message(&mut self, screen_columns: usize, screen_rows: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_cursor` is never used
[INFO] [stdout]   --> src/cursor_controller.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl CursorController {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn reset_cursor(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lines` and `columns` are never read
[INFO] [stdout]  --> src/renderer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Renderer {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 4 |     lines: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     columns: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/renderer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Renderer {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(columns: usize, lines: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "862311b9f641f23ce657d39f888f335caa0a712fd49d21fb7a51f96beda5ebfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862311b9f641f23ce657d39f888f335caa0a712fd49d21fb7a51f96beda5ebfa", kill_on_drop: false }`
[INFO] [stdout] 862311b9f641f23ce657d39f888f335caa0a712fd49d21fb7a51f96beda5ebfa