[INFO] cloning repository https://github.com/TheSilvus/buddhabrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheSilvus/buddhabrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbuddhabrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbuddhabrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cfb5613add2f54259f36308137be4b9bc2bbda6c [INFO] checking TheSilvus/buddhabrot against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbuddhabrot" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheSilvus/buddhabrot on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheSilvus/buddhabrot [INFO] finished tweaking git repo https://github.com/TheSilvus/buddhabrot [INFO] tweaked toml for git repo https://github.com/TheSilvus/buddhabrot written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/TheSilvus/buddhabrot 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" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... 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[stderr] Downloaded parking_lot v0.6.4 [INFO] [stderr] Downloaded void v1.0.2 [INFO] [stderr] Downloaded crossbeam-deque v0.5.2 [INFO] [stderr] Downloaded arrayvec v0.4.7 [INFO] [stderr] Downloaded scopeguard v0.3.3 [INFO] [stderr] Downloaded crossbeam-deque v0.2.0 [INFO] [stderr] Downloaded quote v0.3.15 [INFO] [stderr] Downloaded synom v0.11.3 [INFO] [stderr] Downloaded memchr v2.1.0 [INFO] [stderr] Downloaded simplelog v0.5.3 [INFO] [stderr] Downloaded same-file v1.0.3 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded smallvec v0.6.5 [INFO] [stderr] Downloaded crossbeam-utils v0.5.0 [INFO] [stderr] Downloaded either v1.5.0 [INFO] [stderr] Downloaded unicode-xid v0.1.0 [INFO] [stderr] Downloaded cfg-if v0.1.6 [INFO] [stderr] Downloaded crossbeam-utils v0.2.2 [INFO] [stderr] Downloaded quote v0.6.8 [INFO] [stderr] Downloaded num-integer v0.1.39 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded utf8-ranges v1.0.1 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded lzw v0.10.0 [INFO] [stderr] Downloaded num-complex v0.2.1 [INFO] [stderr] Downloaded num-rational v0.2.1 [INFO] [stderr] Downloaded winapi-util v0.1.1 [INFO] [stderr] Downloaded nodrop v0.1.12 [INFO] [stderr] Downloaded adler32 v1.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76cf55f313890d9fcc737bc5a069126b17e1270e4d8cbf06b3c903e267d8d787 [INFO] running `Command { std: "docker" "start" "-a" "76cf55f313890d9fcc737bc5a069126b17e1270e4d8cbf06b3c903e267d8d787", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76cf55f313890d9fcc737bc5a069126b17e1270e4d8cbf06b3c903e267d8d787", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76cf55f313890d9fcc737bc5a069126b17e1270e4d8cbf06b3c903e267d8d787", kill_on_drop: false }` [INFO] [stdout] 76cf55f313890d9fcc737bc5a069126b17e1270e4d8cbf06b3c903e267d8d787 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a5f81967b0df89012448a2652fca8e7dc1a18502c61d3cc5c761cd1b30d5d7a [INFO] running `Command { std: "docker" "start" "-a" "0a5f81967b0df89012448a2652fca8e7dc1a18502c61d3cc5c761cd1b30d5d7a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking same-file v1.0.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking criterion-stats v0.2.5 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking itertools-num v0.1.2 [INFO] [stderr] Checking walkdir v2.2.5 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Checking criterion-plot v0.2.5 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling synstructure v0.10.0 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Checking csv v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Checking tiff v0.2.1 [INFO] [stderr] Checking image v0.20.0 [INFO] [stderr] Checking mandelbuddha v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.2.5 [INFO] [stdout] warning: unused import: `std::fs::OpenOptions` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fs::OpenOptions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:58:39 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn map_to_image1(&self, map: &Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 58 | pub fn map_to_image1(&self, map: &dyn Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:79:39 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn map_to_image3(&self, map: &Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 79 | pub fn map_to_image3(&self, map: &dyn Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:99:33 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn map(&mut self, map: &Fn(u32) -> u32) -> &mut ImageData { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 99 | pub fn map(&mut self, map: &dyn Fn(u32) -> u32) -> &mut ImageData { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/image.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | for (i, mut value) in image1.data.iter_mut().enumerate() { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/main.rs:399:10 [INFO] [stdout] | [INFO] [stdout] 399 | fn image(config: Config) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `image_file_name` is never read [INFO] [stdout] --> src/main.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct Config<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 63 | image_file_name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::OpenOptions` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fs::OpenOptions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:58:39 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn map_to_image1(&self, map: &Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 58 | pub fn map_to_image1(&self, map: &dyn Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:79:39 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn map_to_image3(&self, map: &Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 79 | pub fn map_to_image3(&self, map: &dyn Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/image.rs:99:33 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn map(&mut self, map: &Fn(u32) -> u32) -> &mut ImageData { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 99 | pub fn map(&mut self, map: &dyn Fn(u32) -> u32) -> &mut ImageData { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/image.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | for (i, mut value) in image1.data.iter_mut().enumerate() { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/main.rs:399:10 [INFO] [stdout] | [INFO] [stdout] 399 | fn image(config: Config) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `image_file_name` is never read [INFO] [stdout] --> src/main.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct Config<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 63 | image_file_name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.48s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "0a5f81967b0df89012448a2652fca8e7dc1a18502c61d3cc5c761cd1b30d5d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a5f81967b0df89012448a2652fca8e7dc1a18502c61d3cc5c761cd1b30d5d7a", kill_on_drop: false }` [INFO] [stdout] 0a5f81967b0df89012448a2652fca8e7dc1a18502c61d3cc5c761cd1b30d5d7a