[INFO] fetching crate tuix_core 0.2.0... [INFO] checking tuix_core-0.2.0 against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1 [INFO] extracting crate tuix_core 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate tuix_core 0.2.0 on toolchain 84e729a59f216cc64755788a470f165429a731f4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tuix_core 0.2.0 [INFO] finished tweaking crates.io crate tuix_core 0.2.0 [INFO] tweaked toml for crates.io crate tuix_core 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "generate-lockfile" "--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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 185 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding calloop v0.9.3 (latest: v0.13.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cocoa v0.24.1 (latest: v0.25.0) [INFO] [stderr] Adding core-foundation v0.7.0 (latest: v0.9.4) [INFO] [stderr] Adding core-foundation-sys v0.7.0 (latest: v0.8.6) [INFO] [stderr] Adding core-graphics v0.19.2 (latest: v0.23.2) [INFO] [stderr] Adding core-graphics v0.22.3 (latest: v0.23.2) [INFO] [stderr] Adding cssparser v0.27.2 (latest: v0.33.0) [INFO] [stderr] Adding darling v0.13.4 (latest: v0.20.8) [INFO] [stderr] Adding darling_core v0.13.4 (latest: v0.20.8) [INFO] [stderr] Adding darling_macro v0.13.4 (latest: v0.20.8) [INFO] [stderr] Adding femtovg v0.2.10 (latest: v0.9.1) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.14) [INFO] [stderr] Adding glow v0.11.2 (latest: v0.13.1) [INFO] [stderr] Adding glutin v0.28.0 (latest: v0.31.3) [INFO] [stderr] Adding glutin_egl_sys v0.1.6 (latest: v0.6.0) [INFO] [stderr] Adding glutin_gles2_sys v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding glutin_glx_sys v0.1.8 (latest: v0.5.0) [INFO] [stderr] Adding glutin_wgl_sys v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding image v0.23.14 (latest: v0.25.1) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding jni-sys v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding keyboard-types v0.5.0 (latest: v0.7.0) [INFO] [stderr] Adding libloading v0.7.4 (latest: v0.8.3) [INFO] [stderr] Adding lru v0.7.8 (latest: v0.12.3) [INFO] [stderr] Adding malloc_buf v0.0.6 (latest: v1.0.0) [INFO] [stderr] Adding memmap2 v0.3.1 (latest: v0.9.4) [INFO] [stderr] Adding memoffset v0.6.5 (latest: v0.9.1) [INFO] [stderr] Adding morphorm v0.2.0 (latest: v0.6.4) [INFO] [stderr] Adding ndk v0.5.0 (latest: v0.8.0) [INFO] [stderr] Adding ndk-glue v0.5.2 (latest: v0.7.0) [INFO] [stderr] Adding ndk-sys v0.2.2 (latest: v0.5.0+25.2.9519653) [INFO] [stderr] Adding nix v0.22.3 (latest: v0.28.0) [INFO] [stderr] Adding nix v0.24.3 (latest: v0.28.0) [INFO] [stderr] Adding num-rational v0.3.2 (latest: v0.4.1) [INFO] [stderr] Adding num_enum v0.5.11 (latest: v0.7.2) [INFO] [stderr] Adding num_enum_derive v0.5.11 (latest: v0.7.2) [INFO] [stderr] Adding ouroboros v0.14.2 (latest: v0.18.3) [INFO] [stderr] Adding ouroboros_macro v0.14.2 (latest: v0.18.3) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding phf v0.8.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_generator v0.8.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_macros v0.8.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_shared v0.8.0 (latest: v0.11.2) [INFO] [stderr] Adding proc-macro-crate v1.3.1 (latest: v3.1.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_pcg v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding raw-window-handle v0.4.3 (latest: v0.6.0) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding rustybuzz v0.4.0 (latest: v0.13.0) [INFO] [stderr] Adding siphasher v0.3.11 (latest: v1.0.1) [INFO] [stderr] Adding smithay-client-toolkit v0.15.4 (latest: v0.18.1) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.59) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.9) [INFO] [stderr] Adding ttf-parser v0.12.3 (latest: v0.20.0) [INFO] [stderr] Adding ttf-parser v0.14.0 (latest: v0.20.0) [INFO] [stderr] Adding unicode-bidi-mirroring v0.1.0 (latest: v0.2.0) [INFO] [stderr] Adding unicode-ccc v0.1.2 (latest: v0.2.0) [INFO] [stderr] Adding unicode-general-category v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wayland-client v0.29.5 (latest: v0.31.2) [INFO] [stderr] Adding wayland-cursor v0.29.5 (latest: v0.31.1) [INFO] [stderr] Adding wayland-egl v0.29.5 (latest: v0.32.0) [INFO] [stderr] Adding wayland-protocols v0.29.5 (latest: v0.31.2) [INFO] [stderr] Adding wayland-scanner v0.29.5 (latest: v0.31.1) [INFO] [stderr] Adding wayland-sys v0.29.5 (latest: v0.31.1) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.5) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.5) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.5) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5) [INFO] [stderr] Adding winit v0.26.1 (latest: v0.29.15) [INFO] [stderr] Adding winnow v0.5.40 (latest: v0.6.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded Inflector v0.11.4 [INFO] [stderr] Downloaded ouroboros v0.14.2 [INFO] [stderr] Downloaded stable_deref_trait v1.2.0 [INFO] [stderr] Downloaded femtovg v0.2.10 [INFO] [stderr] Downloaded ouroboros_macro v0.14.2 [INFO] [stderr] Downloaded aliasable v0.1.3 [INFO] [stderr] Downloaded matches v0.1.10 [INFO] [stderr] Downloaded unicode-script v0.5.6 [INFO] [stderr] Downloaded ndk-glue v0.5.2 [INFO] [stderr] Downloaded dtoa-short v0.3.4 [INFO] [stderr] Downloaded cssparser-macros v0.6.1 [INFO] [stderr] Downloaded byteorder v1.5.0 [INFO] [stderr] Downloaded memmap2 v0.3.1 [INFO] [stderr] Downloaded dtoa v1.0.9 [INFO] [stderr] Downloaded ppv-lite86 v0.2.17 [INFO] [stderr] Downloaded glutin v0.28.0 [INFO] [stderr] Downloaded calloop v0.9.3 [INFO] [stderr] Downloaded ndk-sys v0.2.2 [INFO] [stderr] Downloaded winit v0.26.1 [INFO] [stderr] Downloaded smithay-client-toolkit v0.15.4 [INFO] [stderr] Downloaded ttf-parser v0.14.0 [INFO] [stderr] Downloaded imgref v1.10.1 [INFO] [stderr] Downloaded proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Downloaded generational-arena v0.2.9 [INFO] [stderr] Downloaded ndk v0.5.0 [INFO] [stderr] Downloaded redox_syscall v0.2.16 [INFO] [stderr] Downloaded parking_lot_core v0.8.6 [INFO] [stderr] Downloaded num-iter v0.1.44 [INFO] [stderr] Downloaded lru v0.7.8 [INFO] [stderr] Downloaded siphasher v0.3.11 [INFO] [stderr] Downloaded rgb v0.8.37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 545e4c1a53c010d0d129453c156930058809d514c9b72a281370f479dd40651c [INFO] running `Command { std: "docker" "start" "-a" "545e4c1a53c010d0d129453c156930058809d514c9b72a281370f479dd40651c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "545e4c1a53c010d0d129453c156930058809d514c9b72a281370f479dd40651c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "545e4c1a53c010d0d129453c156930058809d514c9b72a281370f479dd40651c", kill_on_drop: false }` [INFO] [stdout] 545e4c1a53c010d0d129453c156930058809d514c9b72a281370f479dd40651c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af7c454f8f77bbb186e47629c863f6ee35bebe8fe9792de3f9782343687e6fd7 [INFO] running `Command { std: "docker" "start" "-a" "af7c454f8f77bbb186e47629c863f6ee35bebe8fe9792de3f9782343687e6fd7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.80 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling xml-rs v0.8.20 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Checking libloading v0.8.3 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking downcast-rs v1.2.1 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Checking xcursor v0.3.5 [INFO] [stderr] Checking dlib v0.5.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking cty v0.2.2 [INFO] [stderr] Checking bytemuck v1.15.0 [INFO] [stderr] Compiling unicode-general-category v0.4.0 [INFO] [stderr] Compiling winit v0.26.1 [INFO] [stderr] Checking raw-window-handle v0.4.3 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking libloading v0.7.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking dtoa v1.0.9 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking unicode-bidi-mirroring v0.1.0 [INFO] [stderr] Checking unicode-script v0.5.6 [INFO] [stderr] Checking ttf-parser v0.12.3 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Compiling wayland-sys v0.29.5 [INFO] [stderr] Compiling x11-dl v2.21.0 [INFO] [stderr] Compiling smithay-client-toolkit v0.15.4 [INFO] [stderr] Checking unicode-ccc v0.1.2 [INFO] [stderr] Checking dtoa-short v0.3.4 [INFO] [stderr] Checking rgb v0.8.37 [INFO] [stderr] Checking generational-arena v0.2.9 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking glow v0.11.2 [INFO] [stderr] Checking imgref v1.10.1 [INFO] [stderr] Checking ttf-parser v0.14.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Checking lru v0.7.8 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking morphorm v0.2.0 [INFO] [stderr] Checking keyboard-types v0.5.0 [INFO] [stderr] Compiling wayland-scanner v0.29.5 [INFO] [stderr] Compiling syn v2.0.59 [INFO] [stderr] Compiling glutin_glx_sys v0.1.8 [INFO] [stderr] Compiling glutin_egl_sys v0.1.6 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking memmap2 v0.3.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rustybuzz v0.4.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling wayland-client v0.29.5 [INFO] [stderr] Compiling wayland-protocols v0.29.5 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking wayland-commons v0.29.5 [INFO] [stderr] Checking calloop v0.9.3 [INFO] [stderr] Checking wayland-cursor v0.29.5 [INFO] [stderr] Checking wayland-egl v0.29.5 [INFO] [stderr] Compiling cssparser v0.27.2 [INFO] [stderr] Compiling ouroboros_macro v0.14.2 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling cssparser-macros v0.6.1 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking ouroboros v0.14.2 [INFO] [stderr] Checking glutin v0.28.0 [INFO] [stderr] Checking femtovg v0.2.10 [INFO] [stderr] Checking tuix_core v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `accessibility::*` [INFO] [stdout] --> src/lib.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use accessibility::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cache::*` [INFO] [stdout] --> src/layout/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use cache::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `accessibility::*` [INFO] [stdout] --> src/lib.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use accessibility::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cache::*` [INFO] [stdout] --> src/layout/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use cache::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/state/mod.rs:173:56 [INFO] [stdout] | [INFO] [stdout] 173 | let style_string = std::fs::read_to_string(path.clone())?; [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/state/mod.rs:173:56 [INFO] [stdout] | [INFO] [stdout] 173 | let style_string = std::fs::read_to_string(path.clone())?; [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.34s [INFO] running `Command { std: "docker" "inspect" "af7c454f8f77bbb186e47629c863f6ee35bebe8fe9792de3f9782343687e6fd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af7c454f8f77bbb186e47629c863f6ee35bebe8fe9792de3f9782343687e6fd7", kill_on_drop: false }` [INFO] [stdout] af7c454f8f77bbb186e47629c863f6ee35bebe8fe9792de3f9782343687e6fd7