[INFO] fetching crate difftastic_mod_for_windows 0.27.0... [INFO] checking difftastic_mod_for_windows-0.27.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate difftastic_mod_for_windows 0.27.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate difftastic_mod_for_windows 0.27.0 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 crates.io crate difftastic_mod_for_windows 0.27.0 [INFO] finished tweaking crates.io crate difftastic_mod_for_windows 0.27.0 [INFO] tweaked toml for crates.io crate difftastic_mod_for_windows 0.27.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate difftastic_mod_for_windows 0.27.0 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded radix-heap v0.4.2 [INFO] [stderr] Downloaded typed-arena v2.0.1 [INFO] [stderr] Downloaded archery v0.4.0 [INFO] [stderr] Downloaded wu-diff v0.1.2 [INFO] [stderr] Downloaded mimalloc v0.1.27 [INFO] [stderr] Downloaded any_terminal_size v0.1.21 [INFO] [stderr] Downloaded widestring v0.5.1 [INFO] [stderr] Downloaded owo-colors v3.2.0 [INFO] [stderr] Downloaded const_format v0.2.22 [INFO] [stderr] Downloaded clap v3.0.13 [INFO] [stderr] Downloaded syn v1.0.84 [INFO] [stderr] Downloaded rpds v0.10.0 [INFO] [stderr] Downloaded quote v1.0.13 [INFO] [stderr] Downloaded libmimalloc-sys v0.1.23 [INFO] [stderr] Downloaded pretty_assertions v1.0.0 [INFO] [stderr] Downloaded tree-sitter v0.20.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f0d492b0d86c7f343aa680b0e14e8c38a127f9cf23b94f8f6d2777dd1ba1ea54 [INFO] running `Command { std: "docker" "start" "-a" "f0d492b0d86c7f343aa680b0e14e8c38a127f9cf23b94f8f6d2777dd1ba1ea54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0d492b0d86c7f343aa680b0e14e8c38a127f9cf23b94f8f6d2777dd1ba1ea54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0d492b0d86c7f343aa680b0e14e8c38a127f9cf23b94f8f6d2777dd1ba1ea54", kill_on_drop: false }` [INFO] [stdout] f0d492b0d86c7f343aa680b0e14e8c38a127f9cf23b94f8f6d2777dd1ba1ea54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 69b1765e74e9e14e5a127dfa18aa1543b46536e4730d2c703f1cfc7460acbd81 [INFO] running `Command { std: "docker" "start" "-a" "69b1765e74e9e14e5a127dfa18aa1543b46536e4730d2c703f1cfc7460acbd81", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling quote v1.0.13 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling any_terminal_size v0.1.21 [INFO] [stderr] Checking archery v0.4.0 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking radix-heap v0.4.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking rpds v0.10.0 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking wu-diff v0.1.2 [INFO] [stderr] Checking owo-colors v3.2.0 [INFO] [stderr] Checking pretty_assertions v1.0.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Compiling libmimalloc-sys v0.1.23 [INFO] [stderr] Compiling tree-sitter v0.20.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking clap v3.0.13 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking const_format v0.2.22 [INFO] [stderr] Checking mimalloc v0.1.27 [INFO] [stderr] Compiling difftastic_mod_for_windows v0.27.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Itertools` is imported redundantly [INFO] [stdout] --> src/dijkstra.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 154 | use super::*; [INFO] [stdout] | -------- the item `Itertools` is already imported here [INFO] [stdout] ... [INFO] [stdout] 161 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `guess_language` is imported redundantly [INFO] [stdout] --> src/sliders.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 451 | use super::*; [INFO] [stdout] | -------- the item `guess_language` is already imported here [INFO] [stdout] 452 | use crate::{ [INFO] [stdout] 453 | guess_language, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/guess_language.rs:96:63 [INFO] [stdout] | [INFO] [stdout] 96 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/options.rs:252:31 [INFO] [stdout] | [INFO] [stdout] 252 | match display_mode_str.borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/guess_language.rs:96:63 [INFO] [stdout] | [INFO] [stdout] 96 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/options.rs:252:31 [INFO] [stdout] | [INFO] [stdout] 252 | match display_mode_str.borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.54s [INFO] running `Command { std: "docker" "inspect" "69b1765e74e9e14e5a127dfa18aa1543b46536e4730d2c703f1cfc7460acbd81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69b1765e74e9e14e5a127dfa18aa1543b46536e4730d2c703f1cfc7460acbd81", kill_on_drop: false }` [INFO] [stdout] 69b1765e74e9e14e5a127dfa18aa1543b46536e4730d2c703f1cfc7460acbd81 [INFO] checking difftastic_mod_for_windows-0.27.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate difftastic_mod_for_windows 0.27.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate difftastic_mod_for_windows 0.27.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate difftastic_mod_for_windows 0.27.0 [INFO] finished tweaking crates.io crate difftastic_mod_for_windows 0.27.0 [INFO] tweaked toml for crates.io crate difftastic_mod_for_windows 0.27.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate difftastic_mod_for_windows 0.27.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85e221100d4dfe106059304affaab968957055713f76e79b66556244d227199d [INFO] running `Command { std: "docker" "start" "-a" "85e221100d4dfe106059304affaab968957055713f76e79b66556244d227199d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85e221100d4dfe106059304affaab968957055713f76e79b66556244d227199d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85e221100d4dfe106059304affaab968957055713f76e79b66556244d227199d", kill_on_drop: false }` [INFO] [stdout] 85e221100d4dfe106059304affaab968957055713f76e79b66556244d227199d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b826e88589c5572c177e28f8b3a0815a54a640abdc1f445bf17840a04d0557df [INFO] running `Command { std: "docker" "start" "-a" "b826e88589c5572c177e28f8b3a0815a54a640abdc1f445bf17840a04d0557df", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling quote v1.0.13 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling any_terminal_size v0.1.21 [INFO] [stderr] Checking archery v0.4.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking rpds v0.10.0 [INFO] [stderr] Checking owo-colors v3.2.0 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking radix-heap v0.4.2 [INFO] [stderr] Checking wu-diff v0.1.2 [INFO] [stderr] Checking pretty_assertions v1.0.0 [INFO] [stderr] Compiling libmimalloc-sys v0.1.23 [INFO] [stderr] Compiling tree-sitter v0.20.5 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking clap v3.0.13 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Checking mimalloc v0.1.27 [INFO] [stderr] Checking const_format v0.2.22 [INFO] [stderr] Compiling difftastic_mod_for_windows v0.27.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Itertools` is imported redundantly [INFO] [stdout] --> src/dijkstra.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 154 | use super::*; [INFO] [stdout] | -------- the item `Itertools` is already imported here [INFO] [stdout] ... [INFO] [stdout] 161 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `guess_language` is imported redundantly [INFO] [stdout] --> src/sliders.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 451 | use super::*; [INFO] [stdout] | -------- the item `guess_language` is already imported here [INFO] [stdout] 452 | use crate::{ [INFO] [stdout] 453 | guess_language, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/guess_language.rs:96:63 [INFO] [stdout] | [INFO] [stdout] 96 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/options.rs:252:31 [INFO] [stdout] | [INFO] [stdout] 252 | match display_mode_str.borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinePosition` is never constructed [INFO] [stdout] --> src/lines.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct LinePosition { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/guess_language.rs:96:63 [INFO] [stdout] | [INFO] [stdout] 96 | let lang = match mode_name.to_ascii_lowercase().trim().borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/options.rs:252:31 [INFO] [stdout] | [INFO] [stdout] 252 | match display_mode_str.borrow() { [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Borrow`, so calling `borrow` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.79s [INFO] running `Command { std: "docker" "inspect" "b826e88589c5572c177e28f8b3a0815a54a640abdc1f445bf17840a04d0557df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b826e88589c5572c177e28f8b3a0815a54a640abdc1f445bf17840a04d0557df", kill_on_drop: false }` [INFO] [stdout] b826e88589c5572c177e28f8b3a0815a54a640abdc1f445bf17840a04d0557df