[INFO] cloning repository https://github.com/ashigirl96/rim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashigirl96/rim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashigirl96%2Frim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashigirl96%2Frim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddd29f45a303c8b112b13a4e24d071cca0ec76df
[INFO] checking ashigirl96/rim against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashigirl96%2Frim" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ashigirl96/rim
[INFO] finished tweaking git repo https://github.com/ashigirl96/rim
[INFO] tweaked toml for git repo https://github.com/ashigirl96/rim written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ashigirl96/rim on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ashigirl96/rim 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 228292ba10a9bb568269c34d2ff78c002050a1f0277dd9a33fa3f02687b0d4a0
[INFO] running `Command { std: "docker" "start" "-a" "228292ba10a9bb568269c34d2ff78c002050a1f0277dd9a33fa3f02687b0d4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228292ba10a9bb568269c34d2ff78c002050a1f0277dd9a33fa3f02687b0d4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228292ba10a9bb568269c34d2ff78c002050a1f0277dd9a33fa3f02687b0d4a0", kill_on_drop: false }`
[INFO] [stdout] 228292ba10a9bb568269c34d2ff78c002050a1f0277dd9a33fa3f02687b0d4a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 759ddc623077e4eb6619cc6fb1aa493577a661ac9c2eabff97a54061fb777a11
[INFO] running `Command { std: "docker" "start" "-a" "759ddc623077e4eb6619cc6fb1aa493577a661ac9c2eabff97a54061fb777a11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `self` and `stdout`
[INFO] [stdout]  --> src/editor.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, stdout, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `input::TermRead` and `raw::IntoRawMode`
[INFO] [stdout]  --> src/editor.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termion::{color, event::Key, input::TermRead, raw::IntoRawMode};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/editor.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `self` and `stdout`
[INFO] [stdout]  --> src/editor.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, stdout, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `input::TermRead` and `raw::IntoRawMode`
[INFO] [stdout]  --> src/editor.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termion::{color, event::Key, input::TermRead, raw::IntoRawMode};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/editor.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/editor.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, stdout, Write};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/editor.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, stdout, Write};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/editor.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut offset = &mut self.offset;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/editor.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut offset = &mut self.offset;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/editor.rs:182:24
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let Position { mut x, mut y } = self.cursor_position;
[INFO] [stdout]     |                        ----^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/editor.rs:182:24
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let Position { mut x, mut y } = self.cursor_position;
[INFO] [stdout]     |                        ----^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/terminal.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                        ----^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/terminal.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                               ----^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/terminal.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                        ----^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/terminal.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let Position { mut x, mut y } = position;
[INFO] [stdout]    |                               ----^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Row, Infallible>
[INFO] [stdout]   --> src/document.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |             rows.push(Row::from_str(value).unwrap());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Row, Infallible>
[INFO] [stdout]   --> src/row.rs:14:53
[INFO] [stdout]    |
[INFO] [stdout] 14 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 15 | |         let mut row = Self {
[INFO] [stdout] 16 | |             string: String::from(s),
[INFO] [stdout] 17 | |             len: 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |         Ok(row)
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Row, Infallible>
[INFO] [stdout]   --> src/row.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Ok(row)
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Row, Infallible>
[INFO] [stdout]   --> src/document.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |             rows.push(Row::from_str(value).unwrap());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Row, Infallible>
[INFO] [stdout]   --> src/row.rs:14:53
[INFO] [stdout]    |
[INFO] [stdout] 14 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 15 | |         let mut row = Self {
[INFO] [stdout] 16 | |             string: String::from(s),
[INFO] [stdout] 17 | |             len: 0,
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |         Ok(row)
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Row, Infallible>
[INFO] [stdout]   --> src/row.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Ok(row)
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rim` (lib) due to 3 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rim` (lib test) due to 3 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "759ddc623077e4eb6619cc6fb1aa493577a661ac9c2eabff97a54061fb777a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759ddc623077e4eb6619cc6fb1aa493577a661ac9c2eabff97a54061fb777a11", kill_on_drop: false }`
[INFO] [stdout] 759ddc623077e4eb6619cc6fb1aa493577a661ac9c2eabff97a54061fb777a11
