[INFO] cloning repository https://github.com/rohankumardubey/difftastic [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rohankumardubey/difftastic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fdifftastic", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fdifftastic'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d36224229e7e363d5c9272ec9d4221ea9f93739e [INFO] checking rohankumardubey/difftastic against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fdifftastic" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] [stderr] Updating files: 64% (685/1060) Updating files: 65% (689/1060) Updating files: 66% (700/1060) Updating files: 67% (711/1060) Updating files: 68% (721/1060) Updating files: 69% (732/1060) Updating files: 70% (742/1060) Updating files: 71% (753/1060) Updating files: 72% (764/1060) Updating files: 73% (774/1060) Updating files: 74% (785/1060) Updating files: 75% (795/1060) Updating files: 76% (806/1060) Updating files: 77% (817/1060) Updating files: 78% (827/1060) Updating files: 79% (838/1060) Updating files: 80% (848/1060) Updating files: 81% (859/1060) Updating files: 82% (870/1060) Updating files: 83% (880/1060) Updating files: 84% (891/1060) Updating files: 85% (901/1060) Updating files: 86% (912/1060) Updating files: 87% (923/1060) Updating files: 88% (933/1060) Updating files: 89% (944/1060) Updating files: 90% (954/1060) Updating files: 91% (965/1060) Updating files: 92% (976/1060) Updating files: 93% (986/1060) Updating files: 94% (997/1060) Updating files: 95% (1007/1060) Updating files: 96% (1018/1060) Updating files: 97% (1029/1060) Updating files: 98% (1039/1060) Updating files: 99% (1050/1060) Updating files: 100% (1060/1060) Updating files: 100% (1060/1060), done. [INFO] validating manifest of git repo https://github.com/rohankumardubey/difftastic on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rohankumardubey/difftastic [INFO] finished tweaking git repo https://github.com/rohankumardubey/difftastic [INFO] tweaked toml for git repo https://github.com/rohankumardubey/difftastic written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rohankumardubey/difftastic 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wu-diff v0.1.2 [INFO] [stderr] Downloaded mimalloc v0.1.27 [INFO] [stderr] Downloaded radix-heap v0.4.2 [INFO] [stderr] Downloaded owo-colors v3.2.0 [INFO] [stderr] Downloaded quote v1.0.13 [INFO] [stderr] Downloaded const_format v0.2.22 [INFO] [stderr] Downloaded tree-sitter v0.20.5 [INFO] [stderr] Downloaded clap v3.0.13 [INFO] [stderr] Downloaded libmimalloc-sys v0.1.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 13ff5075e824e8be26a1704927b6be6573e81075c63b408a1362c89843189840 [INFO] running `Command { std: "docker" "start" "-a" "13ff5075e824e8be26a1704927b6be6573e81075c63b408a1362c89843189840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13ff5075e824e8be26a1704927b6be6573e81075c63b408a1362c89843189840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13ff5075e824e8be26a1704927b6be6573e81075c63b408a1362c89843189840", kill_on_drop: false }` [INFO] [stdout] 13ff5075e824e8be26a1704927b6be6573e81075c63b408a1362c89843189840 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 777bcc8f155f5ba8821e9babf672ad79b5d8fe5c5dee6e99b8475c62e5aefef5 [INFO] running `Command { std: "docker" "start" "-a" "777bcc8f155f5ba8821e9babf672ad79b5d8fe5c5dee6e99b8475c62e5aefef5", 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 lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [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] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling quote v1.0.13 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking archery v0.4.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling libmimalloc-sys v0.1.23 [INFO] [stderr] Compiling tree-sitter v0.20.5 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking rpds v0.10.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking const_format v0.2.22 [INFO] [stderr] Checking mimalloc v0.1.27 [INFO] [stderr] Checking clap v3.0.13 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking radix-heap v0.4.2 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking owo-colors v3.2.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking wu-diff v0.1.2 [INFO] [stderr] Checking pretty_assertions v1.0.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling difftastic v0.25.0 (/opt/rustwide/workdir) [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:86:63 [INFO] [stdout] | [INFO] [stdout] 86 | 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: 2 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:86:63 [INFO] [stdout] | [INFO] [stdout] 86 | 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.78s [INFO] running `Command { std: "docker" "inspect" "777bcc8f155f5ba8821e9babf672ad79b5d8fe5c5dee6e99b8475c62e5aefef5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "777bcc8f155f5ba8821e9babf672ad79b5d8fe5c5dee6e99b8475c62e5aefef5", kill_on_drop: false }` [INFO] [stdout] 777bcc8f155f5ba8821e9babf672ad79b5d8fe5c5dee6e99b8475c62e5aefef5 [INFO] checking rohankumardubey/difftastic against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fdifftastic" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/rohankumardubey/difftastic on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rohankumardubey/difftastic [INFO] finished tweaking git repo https://github.com/rohankumardubey/difftastic [INFO] tweaked toml for git repo https://github.com/rohankumardubey/difftastic written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rohankumardubey/difftastic 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5934f78ffbda8d8a3c6495388615faafdf956a94d9a1fb028c165cadfa2e8e09 [INFO] running `Command { std: "docker" "start" "-a" "5934f78ffbda8d8a3c6495388615faafdf956a94d9a1fb028c165cadfa2e8e09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5934f78ffbda8d8a3c6495388615faafdf956a94d9a1fb028c165cadfa2e8e09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5934f78ffbda8d8a3c6495388615faafdf956a94d9a1fb028c165cadfa2e8e09", kill_on_drop: false }` [INFO] [stdout] 5934f78ffbda8d8a3c6495388615faafdf956a94d9a1fb028c165cadfa2e8e09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a76ce85d146c2db1cf47b48ba3849b5e2785b35b4bbde1e03ee0a407968c4d55 [INFO] running `Command { std: "docker" "start" "-a" "a76ce85d146c2db1cf47b48ba3849b5e2785b35b4bbde1e03ee0a407968c4d55", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [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 cfg-if v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [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] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling quote v1.0.13 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling libmimalloc-sys v0.1.23 [INFO] [stderr] Compiling tree-sitter v0.20.5 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling const_format_proc_macros v0.2.22 [INFO] [stderr] Checking archery v0.4.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking const_format v0.2.22 [INFO] [stderr] Checking rpds v0.10.0 [INFO] [stderr] Checking clap v3.0.13 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking radix-heap v0.4.2 [INFO] [stderr] Checking mimalloc v0.1.27 [INFO] [stderr] Checking owo-colors v3.2.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking wu-diff v0.1.2 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking pretty_assertions v1.0.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling difftastic v0.25.0 (/opt/rustwide/workdir) [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:86:63 [INFO] [stdout] | [INFO] [stdout] 86 | 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: 2 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:86:63 [INFO] [stdout] | [INFO] [stdout] 86 | 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.04s [INFO] running `Command { std: "docker" "inspect" "a76ce85d146c2db1cf47b48ba3849b5e2785b35b4bbde1e03ee0a407968c4d55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a76ce85d146c2db1cf47b48ba3849b5e2785b35b4bbde1e03ee0a407968c4d55", kill_on_drop: false }` [INFO] [stdout] a76ce85d146c2db1cf47b48ba3849b5e2785b35b4bbde1e03ee0a407968c4d55