[INFO] fetching crate pcp 0.2.0...
[INFO] checking pcp-0.2.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate pcp 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pcp 0.2.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pcp 0.2.0
[INFO] finished tweaking crates.io crate pcp 0.2.0
[INFO] tweaked toml for crates.io crate pcp 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cb2cfa785586c79640b03b806853fa993958370ccf055c6540140609853ac85b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cb2cfa785586c79640b03b806853fa993958370ccf055c6540140609853ac85b"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking void v0.0.5
[INFO] [stderr]     Checking strsim v0.4.1
[INFO] [stderr]     Checking vec_map v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking ctrlc v1.1.1
[INFO] [stderr]     Checking unreachable v0.0.2
[INFO] [stderr]     Checking tabwriter v0.1.25
[INFO] [stderr]     Checking clap v1.5.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking quickersort v1.0.1
[INFO] [stderr]     Checking pcp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> src/chunk_vec.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::{self, heap};
[INFO] [stderr]   |                   ^^^^ no `heap` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> src/chunk_vec.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::{self, heap};
[INFO] [stderr]   |                   ^^^^ no `heap` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `oom` in crate `alloc`
[INFO] [stderr]   --> src/chunk_vec.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 alloc::oom();
[INFO] [stderr]    |                        ^^^ not found in `alloc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FromIterator`
[INFO] [stderr]    --> src/binary_heap_by.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 | use std::iter::{FromIterator};
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/solve.rs:169:41
[INFO] [stderr]     |
[INFO] [stderr] 169 |             let mut tmp = mem::zeroed();;
[INFO] [stderr]     |                                         ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `oom` in crate `alloc`
[INFO] [stderr]   --> src/chunk_vec.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 alloc::oom();
[INFO] [stderr]    |                        ^^^ not found in `alloc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FromIterator`
[INFO] [stderr]    --> src/binary_heap_by.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 | use std::iter::{FromIterator};
[INFO] [stderr]     |                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/solve.rs:169:41
[INFO] [stderr]     |
[INFO] [stderr] 169 |             let mut tmp = mem::zeroed();;
[INFO] [stderr]     |                                         ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]  --> src/chunk_vec.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ptr::Unique;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> src/chunk_vec.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ptr: Unique<T>,
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> src/chunk_vec.rs:40:22
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 ptr: Unique::new(ptr as *mut _),
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]  --> src/chunk_vec.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ptr::Unique;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> src/chunk_vec.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ptr: Unique<T>,
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> src/chunk_vec.rs:40:22
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 ptr: Unique::new(ptr as *mut _),
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/stats.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/stats.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 | static CHUNK_ALLOC_COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/stats.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 | static CHUNK_DEALLOC_COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/stats.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 | static PAIR_APPLY_COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/stats.rs:22:48
[INFO] [stderr]    |
[INFO] [stderr] 22 | static PAIR_APPLY_SUCCESS_COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/stats.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/stats.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 | static CHUNK_ALLOC_COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/stats.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 | static CHUNK_DEALLOC_COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/stats.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 | static PAIR_APPLY_COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/stats.rs:22:48
[INFO] [stderr]    |
[INFO] [stderr] 22 | static PAIR_APPLY_SUCCESS_COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> src/chunk_vec.rs:40:22
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 ptr: Unique::new(ptr as *mut _),
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> src/chunk_vec.rs:40:22
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 ptr: Unique::new(ptr as *mut _),
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/chunk_vec.rs:40:22
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 ptr: Unique::new(ptr as *mut _),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::ptr::Unique<T>`
[INFO] [stderr]                 found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `offset` found for struct `std::ptr::Unique<T>` in the current scope
[INFO] [stderr]   --> src/chunk_vec.rs:51:38
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let next = unsafe { self.ptr.offset(self.used as isize) };
[INFO] [stderr]    |                                      ^^^^^^ method not found in `std::ptr::Unique<T>`
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]   --> src/chunk_vec.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |         if *self.ptr as *const _ == ptr::null() {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]   --> src/chunk_vec.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 |             heap::deallocate(*self.ptr as *mut _, CHUNK_SIZE, mem::align_of::<T>());
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> src/chunk_vec.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |             ptr::write(*chunk.ptr, val);
[INFO] [stderr]     |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> src/chunk_vec.rs:142:35
[INFO] [stderr]     |
[INFO] [stderr] 142 |             slice::from_raw_parts(*self.ptr, self.used)
[INFO] [stderr]     |                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> src/chunk_vec.rs:150:39
[INFO] [stderr]     |
[INFO] [stderr] 150 |             slice::from_raw_parts_mut(*self.ptr, self.used)
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/chunk_vec.rs:40:22
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 ptr: Unique::new(ptr as *mut _),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::ptr::Unique<T>`
[INFO] [stderr]                 found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `offset` found for struct `std::ptr::Unique<T>` in the current scope
[INFO] [stderr]   --> src/chunk_vec.rs:51:38
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let next = unsafe { self.ptr.offset(self.used as isize) };
[INFO] [stderr]    |                                      ^^^^^^ method not found in `std::ptr::Unique<T>`
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]   --> src/chunk_vec.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |         if *self.ptr as *const _ == ptr::null() {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]   --> src/chunk_vec.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 |             heap::deallocate(*self.ptr as *mut _, CHUNK_SIZE, mem::align_of::<T>());
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> src/chunk_vec.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |             ptr::write(*chunk.ptr, val);
[INFO] [stderr]     |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> src/chunk_vec.rs:142:35
[INFO] [stderr]     |
[INFO] [stderr] 142 |             slice::from_raw_parts(*self.ptr, self.used)
[INFO] [stderr]     |                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> src/chunk_vec.rs:150:39
[INFO] [stderr]     |
[INFO] [stderr] 150 |             slice::from_raw_parts_mut(*self.ptr, self.used)
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/stats.rs:153:15
[INFO] [stderr]     |
[INFO] [stderr] 153 |         .then(|| a.leading().cmp(&b.leading()))
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::cmp::Ordering`, found closure
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::cmp::Ordering`
[INFO] [stderr]             found closure `[closure@src/stats.rs:153:15: 153:47 a:_, b:_]`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/stats.rs:153:15
[INFO] [stderr]     |
[INFO] [stderr] 153 |         .then(|| a.leading().cmp(&b.leading()))
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::cmp::Ordering`, found closure
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::cmp::Ordering`
[INFO] [stderr]             found closure `[closure@src/stats.rs:153:15: 153:47 a:_, b:_]`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/stats.rs:154:15
[INFO] [stderr]     |
[INFO] [stderr] 154 |         .then(|| a.len().cmp(&b.len()))
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::cmp::Ordering`, found closure
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::cmp::Ordering`
[INFO] [stderr]             found closure `[closure@src/stats.rs:154:15: 154:39 a:_, b:_]`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/stats.rs:154:15
[INFO] [stderr]     |
[INFO] [stderr] 154 |         .then(|| a.len().cmp(&b.len()))
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::cmp::Ordering`, found closure
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::cmp::Ordering`
[INFO] [stderr]             found closure `[closure@src/stats.rs:154:15: 154:39 a:_, b:_]`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::OrderingExt`
[INFO] [stderr]  --> src/stats.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use util::OrderingExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 15 previous errors; 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0425, E0432, E0599, E0614, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] warning: unused import: `util::OrderingExt`
[INFO] [stderr]  --> src/stats.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use util::OrderingExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 15 previous errors; 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0425, E0432, E0599, E0614, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `pcp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pcp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cb2cfa785586c79640b03b806853fa993958370ccf055c6540140609853ac85b"`
[INFO] running `"docker" "rm" "-f" "cb2cfa785586c79640b03b806853fa993958370ccf055c6540140609853ac85b"`
[INFO] [stdout] cb2cfa785586c79640b03b806853fa993958370ccf055c6540140609853ac85b