[INFO] cloning repository https://github.com/erullmann/text_editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erullmann/text_editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferullmann%2Ftext_editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferullmann%2Ftext_editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5803ab70dc7ce32245a72e4f85e497fb3e6c1c4b
[INFO] checking erullmann/text_editor against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferullmann%2Ftext_editor" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/erullmann/text_editor
[INFO] finished tweaking git repo https://github.com/erullmann/text_editor
[INFO] tweaked toml for git repo https://github.com/erullmann/text_editor written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/erullmann/text_editor on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/erullmann/text_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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b8693617ffde7c98cec1b9982dbb40a3ad30a61529177ebf71f227810e4d744
[INFO] running `Command { std: "docker" "start" "-a" "7b8693617ffde7c98cec1b9982dbb40a3ad30a61529177ebf71f227810e4d744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b8693617ffde7c98cec1b9982dbb40a3ad30a61529177ebf71f227810e4d744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8693617ffde7c98cec1b9982dbb40a3ad30a61529177ebf71f227810e4d744", kill_on_drop: false }`
[INFO] [stdout] 7b8693617ffde7c98cec1b9982dbb40a3ad30a61529177ebf71f227810e4d744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5ff0ec2393f82a43db123c9b8ead1ebe3cb4d440d09e138f8db089031a80669
[INFO] running `Command { std: "docker" "start" "-a" "b5ff0ec2393f82a43db123c9b8ead1ebe3cb4d440d09e138f8db089031a80669", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking filedescriptor v0.7.3
[INFO] [stderr]     Checking text_editor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/raw_mode.rs:20:54
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn disable_raw_mode(&self) -> Result<(), Box<(dyn Error + 'static)>> {
[INFO] [stdout]    |                                                      ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -     pub fn disable_raw_mode(&self) -> Result<(), Box<(dyn Error + 'static)>> {
[INFO] [stdout] 20 +     pub fn disable_raw_mode(&self) -> Result<(), Box<dyn Error + 'static>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/raw_mode.rs:25:49
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn enable_raw_mode(&self) -> Result<(), Box<(dyn Error + 'static)>> {
[INFO] [stdout]    |                                                 ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn enable_raw_mode(&self) -> Result<(), Box<(dyn Error + 'static)>> {
[INFO] [stdout] 25 +     fn enable_raw_mode(&self) -> Result<(), Box<dyn Error + 'static>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/raw_mode.rs:20:54
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn disable_raw_mode(&self) -> Result<(), Box<(dyn Error + 'static)>> {
[INFO] [stdout]    |                                                      ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -     pub fn disable_raw_mode(&self) -> Result<(), Box<(dyn Error + 'static)>> {
[INFO] [stdout] 20 +     pub fn disable_raw_mode(&self) -> Result<(), Box<dyn Error + 'static>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/raw_mode.rs:25:49
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn enable_raw_mode(&self) -> Result<(), Box<(dyn Error + 'static)>> {
[INFO] [stdout]    |                                                 ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn enable_raw_mode(&self) -> Result<(), Box<(dyn Error + 'static)>> {
[INFO] [stdout] 25 +     fn enable_raw_mode(&self) -> Result<(), Box<dyn Error + 'static>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             raw_mode.disable_raw_mode();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let _ = raw_mode.disable_raw_mode();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             raw_mode.disable_raw_mode();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let _ = raw_mode.disable_raw_mode();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "b5ff0ec2393f82a43db123c9b8ead1ebe3cb4d440d09e138f8db089031a80669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ff0ec2393f82a43db123c9b8ead1ebe3cb4d440d09e138f8db089031a80669", kill_on_drop: false }`
[INFO] [stdout] b5ff0ec2393f82a43db123c9b8ead1ebe3cb4d440d09e138f8db089031a80669