[INFO] cloning repository https://github.com/vstepchik/sprack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vstepchik/sprack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvstepchik%2Fsprack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvstepchik%2Fsprack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8aeccc6fd580ddc3a9d363773b219f8795bb48c
[INFO] checking vstepchik/sprack against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvstepchik%2Fsprack" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vstepchik/sprack on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vstepchik/sprack
[INFO] finished tweaking git repo https://github.com/vstepchik/sprack
[INFO] tweaked toml for git repo https://github.com/vstepchik/sprack written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vstepchik/sprack 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.16.0
[INFO] [stderr]   Downloaded inflate v0.3.2
[INFO] [stderr]   Downloaded serde_derive v1.0.16
[INFO] [stderr]   Downloaded png v0.10.0
[INFO] [stderr]   Downloaded serde v1.0.16
[INFO] [stderr]   Downloaded docopt v0.8.1
[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_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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fd79d374e42ee978be078e8a3f122db8f7c414b723b5faf31e624c4c839d4f9
[INFO] running `Command { std: "docker" "start" "-a" "0fd79d374e42ee978be078e8a3f122db8f7c414b723b5faf31e624c4c839d4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd79d374e42ee978be078e8a3f122db8f7c414b723b5faf31e624c4c839d4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd79d374e42ee978be078e8a3f122db8f7c414b723b5faf31e624c4c839d4f9", kill_on_drop: false }`
[INFO] [stdout] 0fd79d374e42ee978be078e8a3f122db8f7c414b723b5faf31e624c4c839d4f9
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f9a43d5dc9edbae86e7ba7c100a87e9bac5c3743e9a43c2fc632636fc0bdc3e
[INFO] running `Command { std: "docker" "start" "-a" "7f9a43d5dc9edbae86e7ba7c100a87e9bac5c3743e9a43c2fc632636fc0bdc3e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking inflate v0.3.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking sprack v0.1.0 (/opt/rustwide/workdir/sprack)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> sprack/src/structs/options.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 |   pub sort_heuristics: &'a [&'a (SortHeuristic + Sync)],
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 |   pub sort_heuristics: &'a [&'a (dyn SortHeuristic + Sync)],
[INFO] [stdout]   |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> sprack/src/structs/mod.rs:17:69
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PackResult<'a> { pub bins: Vec<Bin>, pub heuristics: &'a SortHeuristic }
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PackResult<'a> { pub bins: Vec<Bin>, pub heuristics: &'a dyn SortHeuristic }
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> sprack/src/heuristics.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const ALL: [&(SortHeuristic + Sync); 7] = [
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const ALL: [&(dyn SortHeuristic + Sync); 7] = [
[INFO] [stdout]   |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> sprack/src/heuristics.rs:85:16
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl Debug for SortHeuristic {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl Debug for dyn SortHeuristic {
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> sprack/src/lib.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 |   let insert_fn: &'static Fn(&mut Bin, &Dimension, u32, &PackOptions) -> bool =
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 |   let insert_fn: &'static dyn Fn(&mut Bin, &Dimension, u32, &PackOptions) -> bool =
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking image v0.16.0
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking sprack_bin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rect_gen/src/demo.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn draw_samples(path: &AsRef<Path>, prefix: &str, samples: &[RgbaImage]) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn draw_samples(path: &dyn AsRef<Path>, prefix: &str, samples: &[RgbaImage]) {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rect_gen/src/demo.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn draw_samples(path: &AsRef<Path>, prefix: &str, samples: &[RgbaImage]) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn draw_samples(path: &dyn AsRef<Path>, prefix: &str, samples: &[RgbaImage]) {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:136:100
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn write_solution(solution: &PackResult, images: &[DynamicImage], options: &RunOptions, work_dir: &AsRef<Path>) -> u64 {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn write_solution(solution: &PackResult, images: &[DynamicImage], options: &RunOptions, work_dir: &dyn AsRef<Path>) -> u64 {
[INFO] [stdout]     |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:136:100
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn write_solution(solution: &PackResult, images: &[DynamicImage], options: &RunOptions, work_dir: &AsRef<Path>) -> u64 {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn write_solution(solution: &PackResult, images: &[DynamicImage], options: &RunOptions, work_dir: &dyn AsRef<Path>) -> u64 {
[INFO] [stdout]     |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sprack_bin/drawing.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_bin(path: &AsRef<Path>, images: &[DynamicImage], bin: &Bin, trim: bool) -> u64 {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_bin(path: &dyn AsRef<Path>, images: &[DynamicImage], bin: &Bin, trim: bool) -> u64 {
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cleanup_work_dir(path: &AsRef<Path>) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cleanup_work_dir(path: &dyn AsRef<Path>) {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sprack_bin/drawing.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_bin(path: &AsRef<Path>, images: &[DynamicImage], bin: &Bin, trim: bool) -> u64 {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_bin(path: &dyn AsRef<Path>, images: &[DynamicImage], bin: &Bin, trim: bool) -> u64 {
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn copy_result_to_out(result_dir: &AsRef<Path>, options: &RunOptions) -> Result<u64> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn copy_result_to_out(result_dir: &dyn AsRef<Path>, options: &RunOptions) -> Result<u64> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cleanup_work_dir(path: &AsRef<Path>) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cleanup_work_dir(path: &dyn AsRef<Path>) {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_png_files(path: &AsRef<Path>) -> Result<Vec<DirEntry>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_png_files(path: &dyn AsRef<Path>) -> Result<Vec<DirEntry>> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn copy_result_to_out(result_dir: &AsRef<Path>, options: &RunOptions) -> Result<u64> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn copy_result_to_out(result_dir: &dyn AsRef<Path>, options: &RunOptions) -> Result<u64> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_png_files(path: &AsRef<Path>) -> Result<Vec<DirEntry>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_png_files(path: &dyn AsRef<Path>) -> Result<Vec<DirEntry>> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag_help` is never read
[INFO] [stdout]   --> rect_gen/src/main.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Args {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |   flag_help: bool,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, 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: field `flag_help` is never read
[INFO] [stdout]   --> rect_gen/src/main.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Args {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |   flag_help: bool,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag_help` is never read
[INFO] [stdout]   --> src/main.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Args {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |   flag_help: bool,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, 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: field `flag_help` is never read
[INFO] [stdout]   --> src/main.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Args {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |   flag_help: bool,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "7f9a43d5dc9edbae86e7ba7c100a87e9bac5c3743e9a43c2fc632636fc0bdc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9a43d5dc9edbae86e7ba7c100a87e9bac5c3743e9a43c2fc632636fc0bdc3e", kill_on_drop: false }`
[INFO] [stdout] 7f9a43d5dc9edbae86e7ba7c100a87e9bac5c3743e9a43c2fc632636fc0bdc3e
[INFO] checking vstepchik/sprack against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvstepchik%2Fsprack" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vstepchik/sprack on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vstepchik/sprack
[INFO] finished tweaking git repo https://github.com/vstepchik/sprack
[INFO] tweaked toml for git repo https://github.com/vstepchik/sprack written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vstepchik/sprack 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" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba183d0525756191a320947e4f2994e85f7add3b1e567b9ac1044d302dd2719d
[INFO] running `Command { std: "docker" "start" "-a" "ba183d0525756191a320947e4f2994e85f7add3b1e567b9ac1044d302dd2719d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba183d0525756191a320947e4f2994e85f7add3b1e567b9ac1044d302dd2719d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba183d0525756191a320947e4f2994e85f7add3b1e567b9ac1044d302dd2719d", kill_on_drop: false }`
[INFO] [stdout] ba183d0525756191a320947e4f2994e85f7add3b1e567b9ac1044d302dd2719d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dnon_local_definitions" "-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" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5a45478a5b30d888d32e0a1137bfa2d6c73badfe452ffeb3ff4592cac5daed3
[INFO] running `Command { std: "docker" "start" "-a" "b5a45478a5b30d888d32e0a1137bfa2d6c73badfe452ffeb3ff4592cac5daed3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking inflate v0.3.2
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking png v0.10.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking sprack v0.1.0 (/opt/rustwide/workdir/sprack)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> sprack/src/structs/options.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 |   pub sort_heuristics: &'a [&'a (SortHeuristic + Sync)],
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 |   pub sort_heuristics: &'a [&'a (dyn SortHeuristic + Sync)],
[INFO] [stdout]   |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> sprack/src/structs/mod.rs:17:69
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PackResult<'a> { pub bins: Vec<Bin>, pub heuristics: &'a SortHeuristic }
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PackResult<'a> { pub bins: Vec<Bin>, pub heuristics: &'a dyn SortHeuristic }
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> sprack/src/heuristics.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const ALL: [&(SortHeuristic + Sync); 7] = [
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const ALL: [&(dyn SortHeuristic + Sync); 7] = [
[INFO] [stdout]   |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> sprack/src/heuristics.rs:85:16
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl Debug for SortHeuristic {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl Debug for dyn SortHeuristic {
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> sprack/src/lib.rs:46:27
[INFO] [stdout]    |
[INFO] [stdout] 46 |   let insert_fn: &'static Fn(&mut Bin, &Dimension, u32, &PackOptions) -> bool =
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 |   let insert_fn: &'static dyn Fn(&mut Bin, &Dimension, u32, &PackOptions) -> bool =
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking image v0.16.0
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking sprack_bin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rect_gen/src/demo.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn draw_samples(path: &AsRef<Path>, prefix: &str, samples: &[RgbaImage]) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn draw_samples(path: &dyn AsRef<Path>, prefix: &str, samples: &[RgbaImage]) {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rect_gen/src/demo.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn draw_samples(path: &AsRef<Path>, prefix: &str, samples: &[RgbaImage]) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn draw_samples(path: &dyn AsRef<Path>, prefix: &str, samples: &[RgbaImage]) {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:136:100
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn write_solution(solution: &PackResult, images: &[DynamicImage], options: &RunOptions, work_dir: &AsRef<Path>) -> u64 {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn write_solution(solution: &PackResult, images: &[DynamicImage], options: &RunOptions, work_dir: &dyn AsRef<Path>) -> u64 {
[INFO] [stdout]     |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sprack_bin/drawing.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_bin(path: &AsRef<Path>, images: &[DynamicImage], bin: &Bin, trim: bool) -> u64 {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_bin(path: &dyn AsRef<Path>, images: &[DynamicImage], bin: &Bin, trim: bool) -> u64 {
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cleanup_work_dir(path: &AsRef<Path>) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cleanup_work_dir(path: &dyn AsRef<Path>) {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn copy_result_to_out(result_dir: &AsRef<Path>, options: &RunOptions) -> Result<u64> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn copy_result_to_out(result_dir: &dyn AsRef<Path>, options: &RunOptions) -> Result<u64> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:136:100
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn write_solution(solution: &PackResult, images: &[DynamicImage], options: &RunOptions, work_dir: &AsRef<Path>) -> u64 {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn write_solution(solution: &PackResult, images: &[DynamicImage], options: &RunOptions, work_dir: &dyn AsRef<Path>) -> u64 {
[INFO] [stdout]     |                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_png_files(path: &AsRef<Path>) -> Result<Vec<DirEntry>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_png_files(path: &dyn AsRef<Path>) -> Result<Vec<DirEntry>> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sprack_bin/drawing.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_bin(path: &AsRef<Path>, images: &[DynamicImage], bin: &Bin, trim: bool) -> u64 {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_bin(path: &dyn AsRef<Path>, images: &[DynamicImage], bin: &Bin, trim: bool) -> u64 {
[INFO] [stdout]   |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cleanup_work_dir(path: &AsRef<Path>) {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn cleanup_work_dir(path: &dyn AsRef<Path>) {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn copy_result_to_out(result_dir: &AsRef<Path>, options: &RunOptions) -> Result<u64> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn copy_result_to_out(result_dir: &dyn AsRef<Path>, options: &RunOptions) -> Result<u64> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprack_bin/fs.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_png_files(path: &AsRef<Path>) -> Result<Vec<DirEntry>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_png_files(path: &dyn AsRef<Path>) -> Result<Vec<DirEntry>> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag_help` is never read
[INFO] [stdout]   --> rect_gen/src/main.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Args {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |   flag_help: bool,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, 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: field `flag_help` is never read
[INFO] [stdout]   --> rect_gen/src/main.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Args {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |   flag_help: bool,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> rect_gen/src/main.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Deserialize, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Args`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> rect_gen/src/main.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Deserialize, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Args`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sprack_bin` (bin "rectgen") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sprack_bin` (bin "rectgen" test) due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] warning: field `flag_help` is never read
[INFO] [stdout]   --> src/main.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Args {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |   flag_help: bool,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, 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: field `flag_help` is never read
[INFO] [stdout]   --> src/main.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Args {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |   flag_help: bool,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/main.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Deserialize, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Args`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/main.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Deserialize, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Args`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sprack_bin` (bin "sprack") due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] error: could not compile `sprack_bin` (bin "sprack" test) due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b5a45478a5b30d888d32e0a1137bfa2d6c73badfe452ffeb3ff4592cac5daed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a45478a5b30d888d32e0a1137bfa2d6c73badfe452ffeb3ff4592cac5daed3", kill_on_drop: false }`
[INFO] [stdout] b5a45478a5b30d888d32e0a1137bfa2d6c73badfe452ffeb3ff4592cac5daed3
