[INFO] fetching crate median-accumulator 0.2.0...
[INFO] checking median-accumulator-0.2.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate median-accumulator 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate median-accumulator 0.2.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded min-max-heap v1.3.0
[INFO] [stderr]   Downloaded medianheap v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a3d34f4e12e80c054ba1b16a5c9f1870b5004a17c65c5b1c66b06417a96f5e6
[INFO] running `Command { std: "docker" "start" "-a" "3a3d34f4e12e80c054ba1b16a5c9f1870b5004a17c65c5b1c66b06417a96f5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a3d34f4e12e80c054ba1b16a5c9f1870b5004a17c65c5b1c66b06417a96f5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3d34f4e12e80c054ba1b16a5c9f1870b5004a17c65c5b1c66b06417a96f5e6", kill_on_drop: false }`
[INFO] [stdout] 3a3d34f4e12e80c054ba1b16a5c9f1870b5004a17c65c5b1c66b06417a96f5e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b996573ed13a5a45d6f6e8849b61a6309c2061d035d92e5f089730a326153ca
[INFO] running `Command { std: "docker" "start" "-a" "9b996573ed13a5a45d6f6e8849b61a6309c2061d035d92e5f089730a326153ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking min-max-heap v1.3.0
[INFO] [stderr]     Checking cc-traits v1.0.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking median-accumulator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking medianheap v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[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-1.13.1/src/lib.rs:768:1
[INFO] [stdout]     |
[INFO] [stdout] 768 |   pub struct SmallVec<A: Array> {
[INFO] [stdout]     |   ----------------------------- doesn't satisfy 14 bounds
[INFO] [stdout]     |
[INFO] [stdout] note: the following trait bounds were not satisfied:
[INFO] [stdout]       `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]       `SmallVec<[(i32, u32); 64]>: traits::InsertIndex`
[INFO] [stdout]    --> src/lib.rs:54:38
[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]     |                                            |
[INFO] [stdout]     |                                            unsatisfied trait bound introduced here
[INFO] [stdout] 55  |     > MedianAcc<T, V>
[INFO] [stdout]     |       ---------------
[INFO] [stdout] note: trait bound `SmallVec<[(i32, u32); 64]>: Collection` was not satisfied
[INFO] [stdout]    --> src/traits.rs:2:24
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub trait InsertIndex: cc_traits::Collection {
[INFO] [stdout]     |           -----------  ^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound introduced here
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: StackMut<(i32, u32)>`
[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]>: PushBack`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: BackMut`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: CollectionMut`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Stack<(i32, u32)>`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Back`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: CollectionRef`
[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]> as Collection>::Item = (i32, u32)`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: cc_traits::Vec<(i32, u32)>`
[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]               HashMap<K, V>
[INFO] [stdout]               BTreeMap<K, V>
[INFO] [stdout]               HashSet<T>
[INFO] [stdout]               BTreeSet<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]               <HashMap<K, V> as GetMut<&'a Q>>
[INFO] [stdout]               <BTreeMap<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" "9b996573ed13a5a45d6f6e8849b61a6309c2061d035d92e5f089730a326153ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b996573ed13a5a45d6f6e8849b61a6309c2061d035d92e5f089730a326153ca", kill_on_drop: false }`
[INFO] [stdout] 9b996573ed13a5a45d6f6e8849b61a6309c2061d035d92e5f089730a326153ca
[INFO] checking median-accumulator-0.2.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate median-accumulator 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate median-accumulator 0.2.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57014a5c99e6b8a151c2da55c5c2f26f8c3a02dac43c47f6414ade1bf5cebc46
[INFO] running `Command { std: "docker" "start" "-a" "57014a5c99e6b8a151c2da55c5c2f26f8c3a02dac43c47f6414ade1bf5cebc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57014a5c99e6b8a151c2da55c5c2f26f8c3a02dac43c47f6414ade1bf5cebc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57014a5c99e6b8a151c2da55c5c2f26f8c3a02dac43c47f6414ade1bf5cebc46", kill_on_drop: false }`
[INFO] [stdout] 57014a5c99e6b8a151c2da55c5c2f26f8c3a02dac43c47f6414ade1bf5cebc46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 421eb87fa9e3c5ef4f65683bf6c92b811254551a28112d334c9dcf9d9e6ba58c
[INFO] running `Command { std: "docker" "start" "-a" "421eb87fa9e3c5ef4f65683bf6c92b811254551a28112d334c9dcf9d9e6ba58c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking min-max-heap v1.3.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking cc-traits v1.0.0
[INFO] [stderr]     Checking medianheap v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking median-accumulator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:239:12
[INFO] [stdout]     |
[INFO] [stdout] 239 |         for _ in 0..100_000 {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:240:35
[INFO] [stdout]     |
[INFO] [stdout] 240 |             let len: usize = rng.gen_range(0..100);
[INFO] [stdout]     |                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:241:33
[INFO] [stdout]     |
[INFO] [stdout] 241 |             let mut samples: Vec<i32> = (0..len).map(|_| rng.gen_range(-100..100)).collect();
[INFO] [stdout]     |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:241:63
[INFO] [stdout]     |
[INFO] [stdout] 241 |             let mut samples: Vec<i32> = (0..len).map(|_| rng.gen_range(-100..100)).collect();
[INFO] [stdout]     |                                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:256:12
[INFO] [stdout]     |
[INFO] [stdout] 256 |         for _ in 0..100_000 {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:257:35
[INFO] [stdout]     |
[INFO] [stdout] 257 |             let len: usize = rng.gen_range(0..64);
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:258:33
[INFO] [stdout]     |
[INFO] [stdout] 258 |             let mut samples: Vec<i32> = (0..len).map(|_| rng.gen_range(-100..100)).collect();
[INFO] [stdout]     |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:258:63
[INFO] [stdout]     |
[INFO] [stdout] 258 |             let mut samples: Vec<i32> = (0..len).map(|_| rng.gen_range(-100..100)).collect();
[INFO] [stdout]     |                                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> benches/comparison.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let samples: Vec<u32> = (0..len).map(|_| rng.gen_range(0..len / 5)).collect();
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]  --> benches/comparison.rs:8:58
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let samples: Vec<u32> = (0..len).map(|_| rng.gen_range(0..len / 5)).collect();
[INFO] [stdout]   |                                                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> benches/comparison.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let samples: Vec<u32> = (0..len).map(|_| rng.gen_range(0..len)).collect();
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> benches/comparison.rs:32:58
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let samples: Vec<u32> = (0..len).map(|_| rng.gen_range(0..len)).collect();
[INFO] [stdout]    |                                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-1.13.1/src/lib.rs:768:1
[INFO] [stdout]     |
[INFO] [stdout] 768 |   pub struct SmallVec<A: Array> {
[INFO] [stdout]     |   ----------------------------- doesn't satisfy 14 bounds
[INFO] [stdout]     |
[INFO] [stdout] note: the following trait bounds were not satisfied:
[INFO] [stdout]       `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]       `SmallVec<[(i32, u32); 64]>: traits::InsertIndex`
[INFO] [stdout]    --> src/lib.rs:54:38
[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]     |                                            |
[INFO] [stdout]     |                                            unsatisfied trait bound introduced here
[INFO] [stdout] 55  |     > MedianAcc<T, V>
[INFO] [stdout]     |       ---------------
[INFO] [stdout] note: trait bound `SmallVec<[(i32, u32); 64]>: Collection` was not satisfied
[INFO] [stdout]    --> src/traits.rs:2:24
[INFO] [stdout]     |
[INFO] [stdout] 2   | pub trait InsertIndex: cc_traits::Collection {
[INFO] [stdout]     |           -----------  ^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound introduced here
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: StackMut<(i32, u32)>`
[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]>: PushBack`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: BackMut`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: CollectionMut`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Stack<(i32, u32)>`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: Back`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: CollectionRef`
[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]> as Collection>::Item = (i32, u32)`
[INFO] [stdout]             which is required by `SmallVec<[(i32, u32); 64]>: VecMut<(i32, u32)>`
[INFO] [stdout]             `SmallVec<[(i32, u32); 64]>: cc_traits::Vec<(i32, u32)>`
[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]               HashMap<K, V>
[INFO] [stdout]               BTreeMap<K, V>
[INFO] [stdout]               HashSet<T>
[INFO] [stdout]               BTreeSet<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]               <HashMap<K, V> as GetMut<&'a Q>>
[INFO] [stdout]               <BTreeMap<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] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 8 warnings emitted
[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; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "421eb87fa9e3c5ef4f65683bf6c92b811254551a28112d334c9dcf9d9e6ba58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421eb87fa9e3c5ef4f65683bf6c92b811254551a28112d334c9dcf9d9e6ba58c", kill_on_drop: false }`
[INFO] [stdout] 421eb87fa9e3c5ef4f65683bf6c92b811254551a28112d334c9dcf9d9e6ba58c
