[INFO] fetching crate median-accumulator 0.2.0...
[INFO] checking median-accumulator-0.2.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate median-accumulator 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate median-accumulator 0.2.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate median-accumulator 0.2.0
[INFO] finished tweaking crates.io crate median-accumulator 0.2.0
[INFO] tweaked toml for crates.io crate median-accumulator 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] error[E0599]: the function or associated item `new` exists for struct `MedianAcc<i32, SmallVec<[(i32, u32); 64]>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:260:77
[INFO] [stdout]     |
[INFO] [stdout] 27  | / pub struct MedianAcc<
[INFO] [stdout] 28  | |     T: Clone + Ord,
[INFO] [stdout] 29  | |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout] 30  | | > {
[INFO] [stdout]     | |_- function or associated item `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 260 |               let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                                                                                        ^^^ function or associated item cannot be called on `MedianAcc<i32, SmallVec<[(i32, u32); 64]>>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-1.13.2/src/lib.rs:768:1
[INFO] [stdout]     |
[INFO] [stdout] 768 |   pub struct SmallVec<A: Array> {
[INFO] [stdout]     |   ----------------------------- doesn't satisfy 8 bounds
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MedianAcc<i32, SmallVec<[(i32, u32); 64]>>` consider using one of the following associated functions:
[INFO] [stdout]       MedianAcc::<T, V>::new
[INFO] [stdout]       MedianAcc::<T, V>::new_from
[INFO] [stdout]    --> src/lib.rs:62:2
[INFO] [stdout]     |
[INFO] [stdout] 62  | /     pub fn new() -> Self
[INFO] [stdout] 63  | |     where
[INFO] [stdout] 64  | |         V: Default,
[INFO] [stdout]     | |___________________^
[INFO] [stdout] ...
[INFO] [stdout] 79  |       pub fn new_from(collection: V) -> Self {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: trait bound `SmallVec<[(i32, u32); 64]>: traits::InsertIndex` was not satisfied
[INFO] [stdout]    --> src/lib.rs:54:68
[INFO] [stdout]     |
[INFO] [stdout] 54  |         V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^ unsatisfied trait bound introduced here
[INFO] [stdout] 55  |     > MedianAcc<T, V>
[INFO] [stdout]     |       ---------------
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: PushBack`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: PopBack`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Collection`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Len`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: GetMut<usize>`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Get<usize>`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `new`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `UniformSampler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: traits::InsertIndex` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `traits::InsertIndex` is not implemented for `SmallVec<[(i32, u32); 64]>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `traits::InsertIndex` is implemented for `std::vec::Vec<T>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:67
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: PushBack` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `PushBack` is not implemented for `SmallVec<[(i32, u32); 64]>`, which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `PushBack`:
[INFO] [stdout]               std::collections::VecDeque<T>
[INFO] [stdout]               std::vec::Vec<T>
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `StackMut<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `VecMut<(i32, u32)>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:37
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: PopBack` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `PopBack` is not implemented for `SmallVec<[(i32, u32); 64]>`, which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `PopBack`:
[INFO] [stdout]               std::collections::VecDeque<T>
[INFO] [stdout]               std::vec::Vec<T>
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `StackMut<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `VecMut<(i32, u32)>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:37
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: Len` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Len` is not implemented for `SmallVec<[(i32, u32); 64]>`, which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `Len`:
[INFO] [stdout]               BTreeMap<K, V>
[INFO] [stdout]               BTreeSet<T>
[INFO] [stdout]               HashMap<K, V>
[INFO] [stdout]               HashSet<T>
[INFO] [stdout]               std::collections::VecDeque<T>
[INFO] [stdout]               std::vec::Vec<T>
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `Stack<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `cc_traits::Vec<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `VecMut<(i32, u32)>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:37
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: GetMut<usize>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `GetMut<usize>` is not implemented for `SmallVec<[(i32, u32); 64]>`, which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `GetMut<T>`:
[INFO] [stdout]               <BTreeMap<K, V> as GetMut<&'a Q>>
[INFO] [stdout]               <HashMap<K, V> as GetMut<&'a Q>>
[INFO] [stdout]               <std::vec::Vec<T> as GetMut<usize>>
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `BackMut`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `StackMut<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `VecMut<(i32, u32)>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:37
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `median-accumulator` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "0e54487974072ba2e4aa07102de42fa5d985b61478d143ad9a043d097f34a8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e54487974072ba2e4aa07102de42fa5d985b61478d143ad9a043d097f34a8a1", kill_on_drop: false }`
[INFO] [stdout] 0e54487974072ba2e4aa07102de42fa5d985b61478d143ad9a043d097f34a8a1
[INFO] checking median-accumulator-0.2.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate median-accumulator 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate median-accumulator 0.2.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate median-accumulator 0.2.0
[INFO] finished tweaking crates.io crate median-accumulator 0.2.0
[INFO] tweaked toml for crates.io crate median-accumulator 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 973f40f5e6bce26fec166aa52b64bea6cb48fba3291f64c398f0f66783012073
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[INFO] [stdout] error[E0599]: the function or associated item `new` exists for struct `MedianAcc<i32, SmallVec<[(i32, u32); 64]>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:260:77
[INFO] [stdout]     |
[INFO] [stdout] 27  | / pub struct MedianAcc<
[INFO] [stdout] 28  | |     T: Clone + Ord,
[INFO] [stdout] 29  | |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout] 30  | | > {
[INFO] [stdout]     | |_- function or associated item `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 260 |               let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                                                                                        ^^^ function or associated item cannot be called on `MedianAcc<i32, SmallVec<[(i32, u32); 64]>>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-1.13.2/src/lib.rs:768:1
[INFO] [stdout]     |
[INFO] [stdout] 768 |   pub struct SmallVec<A: Array> {
[INFO] [stdout]     |   ----------------------------- doesn't satisfy 8 bounds
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MedianAcc<i32, SmallVec<[(i32, u32); 64]>>` consider using one of the following associated functions:
[INFO] [stdout]       MedianAcc::<T, V>::new
[INFO] [stdout]       MedianAcc::<T, V>::new_from
[INFO] [stdout]    --> src/lib.rs:62:2
[INFO] [stdout]     |
[INFO] [stdout] 62  | /     pub fn new() -> Self
[INFO] [stdout] 63  | |     where
[INFO] [stdout] 64  | |         V: Default,
[INFO] [stdout]     | |___________________^
[INFO] [stdout] ...
[INFO] [stdout] 79  |       pub fn new_from(collection: V) -> Self {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: trait bound `SmallVec<[(i32, u32); 64]>: traits::InsertIndex` was not satisfied
[INFO] [stdout]    --> src/lib.rs:54:68
[INFO] [stdout]     |
[INFO] [stdout] 54  |         V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^ unsatisfied trait bound introduced here
[INFO] [stdout] 55  |     > MedianAcc<T, V>
[INFO] [stdout]     |       ---------------
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: PushBack`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: PopBack`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Collection`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Len`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: GetMut<usize>`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Get<usize>`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `new`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `UniformSampler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: traits::InsertIndex` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `traits::InsertIndex` is not implemented for `SmallVec<[(i32, u32); 64]>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `traits::InsertIndex` is implemented for `std::vec::Vec<T>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:67
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: PushBack` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `PushBack` is not implemented for `SmallVec<[(i32, u32); 64]>`, which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `PushBack`:
[INFO] [stdout]               std::collections::VecDeque<T>
[INFO] [stdout]               std::vec::Vec<T>
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `StackMut<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `VecMut<(i32, u32)>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:37
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: PopBack` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `PopBack` is not implemented for `SmallVec<[(i32, u32); 64]>`, which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `PopBack`:
[INFO] [stdout]               std::collections::VecDeque<T>
[INFO] [stdout]               std::vec::Vec<T>
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `StackMut<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `VecMut<(i32, u32)>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:37
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: Len` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Len` is not implemented for `SmallVec<[(i32, u32); 64]>`, which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `Len`:
[INFO] [stdout]               BTreeMap<K, V>
[INFO] [stdout]               BTreeSet<T>
[INFO] [stdout]               HashMap<K, V>
[INFO] [stdout]               HashSet<T>
[INFO] [stdout]               std::collections::VecDeque<T>
[INFO] [stdout]               std::vec::Vec<T>
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `Stack<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `cc_traits::Vec<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `VecMut<(i32, u32)>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:37
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `SmallVec<[(i32, u32); 64]>: GetMut<usize>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |             let mut median = MedianAcc::<i32, smallvec::SmallVec<[(i32, u32); 64]>>::new();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `GetMut<usize>` is not implemented for `SmallVec<[(i32, u32); 64]>`, which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `GetMut<T>`:
[INFO] [stdout]               <BTreeMap<K, V> as GetMut<&'a Q>>
[INFO] [stdout]               <HashMap<K, V> as GetMut<&'a Q>>
[INFO] [stdout]               <std::vec::Vec<T> as GetMut<usize>>
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `BackMut`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `StackMut<(i32, u32)>`
[INFO] [stdout]     = note: required for `SmallVec<[(i32, u32); 64]>` to implement `VecMut<(i32, u32)>`
[INFO] [stdout] note: required by a bound in `MedianAcc`
[INFO] [stdout]    --> src/lib.rs:29:37
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub struct MedianAcc<
[INFO] [stdout]     |            --------- required by a bound in this struct
[INFO] [stdout] 28  |     T: Clone + Ord,
[INFO] [stdout] 29  |     V: DerefMut<Target = [(T, u32)]> + cc_traits::VecMut<(T, u32)> + InsertIndex,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `MedianAcc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `median-accumulator` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "973f40f5e6bce26fec166aa52b64bea6cb48fba3291f64c398f0f66783012073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973f40f5e6bce26fec166aa52b64bea6cb48fba3291f64c398f0f66783012073", kill_on_drop: false }`
[INFO] [stdout] 973f40f5e6bce26fec166aa52b64bea6cb48fba3291f64c398f0f66783012073
