[INFO] cloning repository https://github.com/ikrzywda/scroll-edit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ikrzywda/scroll-edit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikrzywda%2Fscroll-edit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikrzywda%2Fscroll-edit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7efb8b81d7a44a8148aad32628fcd3846b5b0e57
[INFO] checking ikrzywda/scroll-edit against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikrzywda%2Fscroll-edit" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ikrzywda/scroll-edit on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ikrzywda/scroll-edit
[INFO] finished tweaking git repo https://github.com/ikrzywda/scroll-edit
[INFO] tweaked toml for git repo https://github.com/ikrzywda/scroll-edit written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/ikrzywda/scroll-edit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 288d3abdad6d4590518bb7109fea66cc2032af9838ef55ccf953531376741410
[INFO] running `Command { std: "docker" "start" "-a" "288d3abdad6d4590518bb7109fea66cc2032af9838ef55ccf953531376741410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288d3abdad6d4590518bb7109fea66cc2032af9838ef55ccf953531376741410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288d3abdad6d4590518bb7109fea66cc2032af9838ef55ccf953531376741410", kill_on_drop: false }`
[INFO] [stdout] 288d3abdad6d4590518bb7109fea66cc2032af9838ef55ccf953531376741410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f38881f88451c96944ab845a8225d89bad0984aa98ac2ce4ae40b8bc2eed875
[INFO] running `Command { std: "docker" "start" "-a" "5f38881f88451c96944ab845a8225d89bad0984aa98ac2ce4ae40b8bc2eed875", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking definite_editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]   --> src/main.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{stdin, stdout, Stdout, Write};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoRawMode`
[INFO] [stdout]   --> src/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |     raw::{IntoRawMode, RawTerminal},
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]   --> src/main.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{stdin, stdout, Stdout, Write};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoRawMode`
[INFO] [stdout]   --> src/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |     raw::{IntoRawMode, RawTerminal},
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]    --> src/main.rs:104:30
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn insert(&mut self, ch: char) {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut string = String::from("Hello, there");
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_file_to_buffer`
[INFO] [stdout]   --> src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn load_file_to_buffer(path: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `buffer_to_lines`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn buffer_to_lines(buffer: String) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lines`
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub lines: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_line`
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub current_line: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `col`
[INFO] [stdout]   --> src/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub col: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new(buffer: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/main.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn at<'a>(&'a self, index: i16) -> Result<&'a String, ()> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scroll_up`
[INFO] [stdout]   --> src/main.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn scroll_up(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scroll_down`
[INFO] [stdout]   --> src/main.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn scroll_down(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_line`
[INFO] [stdout]    --> src/main.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn get_current_line<'a>(&'a mut self) -> &'a mut String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/main.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn insert(&mut self, ch: char) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_doc`
[INFO] [stdout]    --> src/main.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn print_doc(stdout: &mut RawTerminal<Stdout>, doc: &Document) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_key`
[INFO] [stdout]    --> src/main.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn read_key() -> Result<Key, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Signal`
[INFO] [stdout]    --> src/main.rs:131:6
[INFO] [stdout]     |
[INFO] [stdout] 131 | enum Signal {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_keypress`
[INFO] [stdout]    --> src/main.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn parse_keypress(keypress: Key, doc: &mut Document) -> Result<Signal, ()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]    --> src/main.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     buffer: Vec<char>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/main.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     index: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]    --> src/main.rs:104:30
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn insert(&mut self, ch: char) {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut string = String::from("Hello, there");
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_file_to_buffer`
[INFO] [stdout]   --> src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn load_file_to_buffer(path: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `buffer_to_lines`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn buffer_to_lines(buffer: String) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lines`
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub lines: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_line`
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub current_line: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `col`
[INFO] [stdout]   --> src/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub col: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn new(buffer: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/main.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn at<'a>(&'a self, index: i16) -> Result<&'a String, ()> {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scroll_up`
[INFO] [stdout]   --> src/main.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn scroll_up(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scroll_down`
[INFO] [stdout]   --> src/main.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn scroll_down(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_line`
[INFO] [stdout]    --> src/main.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn get_current_line<'a>(&'a mut self) -> &'a mut String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/main.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn insert(&mut self, ch: char) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_doc`
[INFO] [stdout]    --> src/main.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn print_doc(stdout: &mut RawTerminal<Stdout>, doc: &Document) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_key`
[INFO] [stdout]    --> src/main.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn read_key() -> Result<Key, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Signal`
[INFO] [stdout]    --> src/main.rs:131:6
[INFO] [stdout]     |
[INFO] [stdout] 131 | enum Signal {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_keypress`
[INFO] [stdout]    --> src/main.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn parse_keypress(keypress: Key, doc: &mut Document) -> Result<Signal, ()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]    --> src/main.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     buffer: Vec<char>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/main.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     index: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.53s
[INFO] running `Command { std: "docker" "inspect" "5f38881f88451c96944ab845a8225d89bad0984aa98ac2ce4ae40b8bc2eed875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f38881f88451c96944ab845a8225d89bad0984aa98ac2ce4ae40b8bc2eed875", kill_on_drop: false }`
[INFO] [stdout] 5f38881f88451c96944ab845a8225d89bad0984aa98ac2ce4ae40b8bc2eed875