[INFO] cloning repository https://github.com/ZapAnton/sortings
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZapAnton/sortings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZapAnton%2Fsortings"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZapAnton%2Fsortings'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee837d5f10470fa2c9eabbb8dea73ab98436830e
[INFO] checking ZapAnton/sortings against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZapAnton%2Fsortings" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZapAnton/sortings on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ZapAnton/sortings
[INFO] finished tweaking git repo https://github.com/ZapAnton/sortings
[INFO] tweaked toml for git repo https://github.com/ZapAnton/sortings written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ZapAnton/sortings already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64bdee7d5131fbdaf4d39f6641dccad9082d0f0f9e646073e93790118949bda8
[INFO] running `"docker" "start" "-a" "64bdee7d5131fbdaf4d39f6641dccad9082d0f0f9e646073e93790118949bda8"`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking sortings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sort.rs:2:37
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn sort(&self, &mut [i32], &Box<Fn(i32, i32) -> bool>);
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:11:53
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn sort(&self, slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:23:53
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn sort(&self, slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:41:53
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn sort(&self, slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:58:53
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn partition_slice(slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) -> usize {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:81:53
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn sort(&self, slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:38:43
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn choose_comparison_closure() -> Box<Fn(i32, i32) -> bool> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:61:39
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn choose_sorting_method() -> Box<SortSlice> {
[INFO] [stderr]    |                                       ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:73:44
[INFO] [stderr]    |
[INFO] [stderr] 73 |         1 => Box::new(BubbleSorter) as Box<SortSlice>,
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:74:44
[INFO] [stderr]    |
[INFO] [stderr] 74 |         2 => Box::new(InsertSorter) as Box<SortSlice>,
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:75:43
[INFO] [stderr]    |
[INFO] [stderr] 75 |         3 => Box::new(QuickSorter) as Box<SortSlice>,
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:76:47
[INFO] [stderr]    |
[INFO] [stderr] 76 |         4 => Box::new(SelectionSorter) as Box<SortSlice>,
[INFO] [stderr]    |                                               ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:79:42
[INFO] [stderr]    |
[INFO] [stderr] 79 |             Box::new(QuickSorter) as Box<SortSlice>
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sort.rs:2:37
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn sort(&self, &mut [i32], &Box<Fn(i32, i32) -> bool>);
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:11:53
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn sort(&self, slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:23:53
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn sort(&self, slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:41:53
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn sort(&self, slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:58:53
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn partition_slice(slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) -> usize {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sort.rs:81:53
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn sort(&self, slice: &mut [i32], compare: &Box<Fn(i32, i32) -> bool>) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sort.rs:111:58
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let compare_less = Box::new(|x, y| x > y) as Box<Fn(i32, i32) -> bool>;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sort.rs:113:61
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let compare_greater = Box::new(|x, y| x < y) as Box<Fn(i32, i32) -> bool>;
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sort.rs:132:30
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let sorters: Vec<Box<SortSlice>> = vec![
[INFO] [stderr]     |                              ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sort.rs:139:26
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let compare: Box<Fn(i32, i32) -> bool> = Box::new(|x, y| x < y);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:38:43
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn choose_comparison_closure() -> Box<Fn(i32, i32) -> bool> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32, i32) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:61:39
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn choose_sorting_method() -> Box<SortSlice> {
[INFO] [stderr]    |                                       ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:73:44
[INFO] [stderr]    |
[INFO] [stderr] 73 |         1 => Box::new(BubbleSorter) as Box<SortSlice>,
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:74:44
[INFO] [stderr]    |
[INFO] [stderr] 74 |         2 => Box::new(InsertSorter) as Box<SortSlice>,
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:75:43
[INFO] [stderr]    |
[INFO] [stderr] 75 |         3 => Box::new(QuickSorter) as Box<SortSlice>,
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:76:47
[INFO] [stderr]    |
[INFO] [stderr] 76 |         4 => Box::new(SelectionSorter) as Box<SortSlice>,
[INFO] [stderr]    |                                               ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:79:42
[INFO] [stderr]    |
[INFO] [stderr] 79 |             Box::new(QuickSorter) as Box<SortSlice>
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn SortSlice`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `"docker" "inspect" "64bdee7d5131fbdaf4d39f6641dccad9082d0f0f9e646073e93790118949bda8"`
[INFO] running `"docker" "rm" "-f" "64bdee7d5131fbdaf4d39f6641dccad9082d0f0f9e646073e93790118949bda8"`
[INFO] [stdout] 64bdee7d5131fbdaf4d39f6641dccad9082d0f0f9e646073e93790118949bda8