[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] testing vstepchik/sprack against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvstepchik%2Fsprack" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vstepchik/sprack on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-5/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: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.10.0
[INFO] [stderr]   Downloaded docopt v0.8.1
[INFO] [stderr]   Downloaded inflate v0.3.2
[INFO] [stderr]   Downloaded image v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85a9fb372a376670ec524ddfef1267a0076cc05b30adfa159f0ab46ea3f18da8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "85a9fb372a376670ec524ddfef1267a0076cc05b30adfa159f0ab46ea3f18da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85a9fb372a376670ec524ddfef1267a0076cc05b30adfa159f0ab46ea3f18da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a9fb372a376670ec524ddfef1267a0076cc05b30adfa159f0ab46ea3f18da8", kill_on_drop: false }`
[INFO] [stdout] 85a9fb372a376670ec524ddfef1267a0076cc05b30adfa159f0ab46ea3f18da8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f8b595d67e0fbc3e7608c9f26cea2844197970d02b37315d227603fb4799a08
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f8b595d67e0fbc3e7608c9f26cea2844197970d02b37315d227603fb4799a08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling either v1.2.0
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.8
[INFO] [stderr]    Compiling serde v1.0.16
[INFO] [stderr]    Compiling deflate v0.7.17
[INFO] [stderr]    Compiling inflate v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling png v0.10.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling 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]   |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic + Sync`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic + Sync`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                ^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Bin, &Dimension, u32, &PackOptions) -> bool`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling image v0.16.0
[INFO] [stderr]    Compiling docopt v0.8.1
[INFO] [stderr]    Compiling sprack_bin v0.1.0 (/opt/rustwide/workdir)
[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]   |                        ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                                                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.05s
[INFO] running `Command { std: "docker" "inspect" "5f8b595d67e0fbc3e7608c9f26cea2844197970d02b37315d227603fb4799a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8b595d67e0fbc3e7608c9f26cea2844197970d02b37315d227603fb4799a08", kill_on_drop: false }`
[INFO] [stdout] 5f8b595d67e0fbc3e7608c9f26cea2844197970d02b37315d227603fb4799a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 615ba72aa057d34a464a87035a6081ff8c5c870daa86ddd09fa8932315644d06
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "615ba72aa057d34a464a87035a6081ff8c5c870daa86ddd09fa8932315644d06", kill_on_drop: false }`
[INFO] [stderr]    Compiling sprack_bin v0.1.0 (/opt/rustwide/workdir)
[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]   |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic + Sync`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic + Sync`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                ^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Bin, &Dimension, u32, &PackOptions) -> bool`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[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]   |                        ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                                                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "615ba72aa057d34a464a87035a6081ff8c5c870daa86ddd09fa8932315644d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615ba72aa057d34a464a87035a6081ff8c5c870daa86ddd09fa8932315644d06", kill_on_drop: false }`
[INFO] [stdout] 615ba72aa057d34a464a87035a6081ff8c5c870daa86ddd09fa8932315644d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7c3d3c3cfdb33918c189977cbc879a7d47c68df15ee3875ba808066634139dd
[INFO] running `Command { std: "docker" "start" "-a" "b7c3d3c3cfdb33918c189977cbc879a7d47c68df15ee3875ba808066634139dd", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> sprack/src/structs/options.rs:8:34
[INFO] [stderr]   |
[INFO] [stderr] 8 |   pub sort_heuristics: &'a [&'a (SortHeuristic + Sync)],
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic + Sync`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> sprack/src/structs/mod.rs:17:69
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct PackResult<'a> { pub bins: Vec<Bin>, pub heuristics: &'a SortHeuristic }
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> sprack/src/heuristics.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const ALL: [&(SortHeuristic + Sync); 7] = [
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic + Sync`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> sprack/src/heuristics.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 | impl Debug for SortHeuristic {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: use `dyn`: `dyn SortHeuristic`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> sprack/src/lib.rs:46:27
[INFO] [stderr]    |
[INFO] [stderr] 46 |   let insert_fn: &'static Fn(&mut Bin, &Dimension, u32, &PackOptions) -> bool =
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Bin, &Dimension, u32, &PackOptions) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sprack_bin/drawing.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn draw_bin(path: &AsRef<Path>, images: &[DynamicImage], bin: &Bin, trim: bool) -> u64 {
[INFO] [stderr]   |                        ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sprack_bin/fs.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn cleanup_work_dir(path: &AsRef<Path>) {
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sprack_bin/fs.rs:22:40
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn copy_result_to_out(result_dir: &AsRef<Path>, options: &RunOptions) -> Result<u64> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sprack_bin/fs.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn get_png_files(path: &AsRef<Path>) -> Result<Vec<DirEntry>> {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:136:100
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn write_solution(solution: &PackResult, images: &[DynamicImage], options: &RunOptions, work_dir: &AsRef<Path>) -> u64 {
[INFO] [stderr]     |                                                                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> rect_gen/src/demo.rs:39:28
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn draw_samples(path: &AsRef<Path>, prefix: &str, samples: &[RgbaImage]) {
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rectgen-56c86f61d3e6f63c)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sprack-70408aacdfc7368f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7c3d3c3cfdb33918c189977cbc879a7d47c68df15ee3875ba808066634139dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c3d3c3cfdb33918c189977cbc879a7d47c68df15ee3875ba808066634139dd", kill_on_drop: false }`
[INFO] [stdout] b7c3d3c3cfdb33918c189977cbc879a7d47c68df15ee3875ba808066634139dd