[INFO] fetching crate ant_king_image 0.3.41...
[INFO] checking ant_king_image-0.3.41 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate ant_king_image 0.3.41 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ant_king_image 0.3.41 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ant_king_image 0.3.41
[INFO] finished tweaking crates.io crate ant_king_image 0.3.41
[INFO] tweaked toml for crates.io crate ant_king_image 0.3.41 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 810dc7b51adb6614012a822a736d1bd786149f0fd81b37467a118a987059d79e
[INFO] running `Command { std: "docker" "start" "-a" "810dc7b51adb6614012a822a736d1bd786149f0fd81b37467a118a987059d79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810dc7b51adb6614012a822a736d1bd786149f0fd81b37467a118a987059d79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810dc7b51adb6614012a822a736d1bd786149f0fd81b37467a118a987059d79e", kill_on_drop: false }`
[INFO] [stdout] 810dc7b51adb6614012a822a736d1bd786149f0fd81b37467a118a987059d79e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a9fd7bb92d329e76b8bef0a6ba24fc4d7047044e624f2fcbc53f229d64ff650
[INFO] running `Command { std: "docker" "start" "-a" "2a9fd7bb92d329e76b8bef0a6ba24fc4d7047044e624f2fcbc53f229d64ff650", kill_on_drop: false }`
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[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]  --> src/get_layers.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sha256::digest_bytes;
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]   --> src/get_layers.rs:72:78
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   let image_layer_sha256 = format!("sha256:{}",digest_bytes(&*fs::read(path.clone()).unwrap()));
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]   --> src/get_layers.rs:82:102
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   let image_layer_tar_sha256 = format!("sha256:{}",digest_bytes(&*fs::read(path1.clone()).unwrap()));
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]  --> src/get_layers_dockerhub.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sha256::digest_bytes;
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:71:78
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                   let image_layer_sha256 = format!("sha256:{}",digest_bytes(&*fs::read(path.clone()).unwrap()));
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:78:102
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   let image_layer_tar_sha256 = format!("sha256:{}",digest_bytes(&*fs::read(path1.clone()).unwrap()));
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]  --> src/get_layers.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sha256::digest_bytes;
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]   --> src/get_layers.rs:72:78
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   let image_layer_sha256 = format!("sha256:{}",digest_bytes(&*fs::read(path.clone()).unwrap()));
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]   --> src/get_layers.rs:82:102
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   let image_layer_tar_sha256 = format!("sha256:{}",digest_bytes(&*fs::read(path1.clone()).unwrap()));
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]  --> src/get_layers_dockerhub.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sha256::digest_bytes;
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:71:78
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                   let image_layer_sha256 = format!("sha256:{}",digest_bytes(&*fs::read(path.clone()).unwrap()));
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `sha256::digest_bytes`: Use new function `digest()` instead
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:78:102
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   let image_layer_tar_sha256 = format!("sha256:{}",digest_bytes(&*fs::read(path1.clone()).unwrap()));
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::timestamp_nanos`: use `timestamp_nanos_opt()` instead
[INFO] [stdout]  --> src/cri_server_image_fs_info.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let timestamp = Local::now().timestamp_nanos();
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::DateTime::<Tz>::timestamp_nanos`: use `timestamp_nanos_opt()` instead
[INFO] [stdout]  --> src/cri_server_image_fs_info.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let timestamp = Local::now().timestamp_nanos();
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_config.rs:25:65
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let image_storage_path_4 = format!("{}",image_storage_path_3.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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers.rs:35:65
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let image_storage_path_4 = format!("{}",image_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers.rs:45:82
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let path = format!("{}/{}.tar.gz",image_gz_storage_path.clone(),layer_name[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers.rs:46:80
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let path1 = format!("{}/{}.tar",image_gz_storage_path.clone(),layer_name[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers.rs:52:65
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let layer_storage_path_4 = format!("{}",layer_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/entrypoint.rs:74:71
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let image_digest_no_sha256 = format!("{}",image_digest_no_sha256_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_config.rs:25:65
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let image_storage_path_4 = format!("{}",image_storage_path_3.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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_config_dockerhub.rs:22:65
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let image_storage_path_4 = format!("{}",image_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:35:65
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let image_storage_path_4 = format!("{}",image_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:45:82
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let path = format!("{}/{}.tar.gz",image_gz_storage_path.clone(),layer_name[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:46:80
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let path1 = format!("{}/{}.tar",image_gz_storage_path.clone(),layer_name[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:52:65
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let layer_storage_path_4 = format!("{}",layer_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers.rs:35:65
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let image_storage_path_4 = format!("{}",image_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers.rs:45:82
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let path = format!("{}/{}.tar.gz",image_gz_storage_path.clone(),layer_name[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers.rs:46:80
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let path1 = format!("{}/{}.tar",image_gz_storage_path.clone(),layer_name[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers.rs:52:65
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let layer_storage_path_4 = format!("{}",layer_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/entrypoint.rs:74:71
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let image_digest_no_sha256 = format!("{}",image_digest_no_sha256_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_config_dockerhub.rs:22:65
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let image_storage_path_4 = format!("{}",image_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:35:65
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let image_storage_path_4 = format!("{}",image_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:45:82
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let path = format!("{}/{}.tar.gz",image_gz_storage_path.clone(),layer_name[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:46:80
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let path1 = format!("{}/{}.tar",image_gz_storage_path.clone(),layer_name[1].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] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/get_layers_dockerhub.rs:52:65
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let layer_storage_path_4 = format!("{}",layer_storage_path_3.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "2a9fd7bb92d329e76b8bef0a6ba24fc4d7047044e624f2fcbc53f229d64ff650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9fd7bb92d329e76b8bef0a6ba24fc4d7047044e624f2fcbc53f229d64ff650", kill_on_drop: false }`
[INFO] [stdout] 2a9fd7bb92d329e76b8bef0a6ba24fc4d7047044e624f2fcbc53f229d64ff650
