[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 master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 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-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/erullmann/text_editor on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termios v0.3.3 [INFO] [stderr] Downloaded anyhow v1.0.36 [INFO] [stderr] Downloaded filedescriptor v0.7.3 [INFO] [stderr] Downloaded libc v0.2.81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 46a45d615a00f39d71e9bd93b533e80c0738225c770a8549d1c73d544c385eaf [INFO] running `Command { std: "docker" "start" "-a" "46a45d615a00f39d71e9bd93b533e80c0738225c770a8549d1c73d544c385eaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46a45d615a00f39d71e9bd93b533e80c0738225c770a8549d1c73d544c385eaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46a45d615a00f39d71e9bd93b533e80c0738225c770a8549d1c73d544c385eaf", kill_on_drop: false }` [INFO] [stdout] 46a45d615a00f39d71e9bd93b533e80c0738225c770a8549d1c73d544c385eaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d0256f56b038bce502deba98927dd59c3934a561cbda85180ca132de41899db [INFO] running `Command { std: "docker" "start" "-a" "0d0256f56b038bce502deba98927dd59c3934a561cbda85180ca132de41899db", 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> { [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> { [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: 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> { [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> { [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 1.81s [INFO] running `Command { std: "docker" "inspect" "0d0256f56b038bce502deba98927dd59c3934a561cbda85180ca132de41899db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d0256f56b038bce502deba98927dd59c3934a561cbda85180ca132de41899db", kill_on_drop: false }` [INFO] [stdout] 0d0256f56b038bce502deba98927dd59c3934a561cbda85180ca132de41899db