[INFO] fetching crate median 0.3.2...
[INFO] checking median-0.3.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate median 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate median 0.3.2 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate median 0.3.2
[INFO] finished tweaking crates.io crate median 0.3.2
[INFO] tweaked toml for crates.io crate median 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] [stderr]   Downloaded noisy_float v0.1.15
[INFO] [stderr]   Downloaded missing_mpl v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c8a95fcc60fa26a3c44263b2835ab3a05237914b14c9e236e8d7cc97e2bc38f
[INFO] running `Command { std: "docker" "start" "-a" "8c8a95fcc60fa26a3c44263b2835ab3a05237914b14c9e236e8d7cc97e2bc38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c8a95fcc60fa26a3c44263b2835ab3a05237914b14c9e236e8d7cc97e2bc38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8a95fcc60fa26a3c44263b2835ab3a05237914b14c9e236e8d7cc97e2bc38f", kill_on_drop: false }`
[INFO] [stdout] 8c8a95fcc60fa26a3c44263b2835ab3a05237914b14c9e236e8d7cc97e2bc38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de76dbd848be9ff5f5b858901048f2d5456816adf9238b06902150cf8a7553be
[INFO] running `Command { std: "docker" "start" "-a" "de76dbd848be9ff5f5b858901048f2d5456816adf9238b06902150cf8a7553be", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking median v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking noisy_float v0.1.15
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut aux_buffer = mem::MaybeUninit::<A>::uninit();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function `MaybeUninit::<T>::assume_init` is unsafe and requires unsafe function or block
[INFO] [stdout]   --> benches/main.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.aux_buffer` which is behind a mutable reference
[INFO] [stdout]   --> benches/main.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ ------------- `self.aux_buffer` moved due to this method call
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              move occurs because `self.aux_buffer` has type `MaybeUninit<A>`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] note: `MaybeUninit::<T>::assume_init` takes ownership of the receiver `self`, which moves `self.aux_buffer`
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/mem/maybe_uninit.rs:627:37
[INFO] [stdout] help: you could `clone` the value and consume it, if the `A: Copy` trait bound could be satisfied
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let slice = &mut <MaybeUninit<A> as Clone>::clone(&self.aux_buffer).assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                              ++++++++++++++++++++++++++++++++++               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> benches/main.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                        - temporary value is freed at the end of this statement
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              creates a temporary value which is freed while still in use
[INFO] [stdout] 50 |             for (index, item) in self.buffer.iter().enumerate() {
[INFO] [stdout] 51 |                 slice[index] = item.clone();
[INFO] [stdout]    |                 ------------ borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function `MaybeUninit::<T>::assume_init` is unsafe and requires unsafe function or block
[INFO] [stdout]   --> benches/main.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.aux_buffer` which is behind a mutable reference
[INFO] [stdout]   --> benches/main.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^ ------------- `self.aux_buffer` moved due to this method call
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          move occurs because `self.aux_buffer` has type `MaybeUninit<A>`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] note: `MaybeUninit::<T>::assume_init` takes ownership of the receiver `self`, which moves `self.aux_buffer`
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/mem/maybe_uninit.rs:627:37
[INFO] [stdout] help: you could `clone` the value and consume it, if the `A: Copy` trait bound could be satisfied
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let slice = &mut <MaybeUninit<A> as Clone>::clone(&self.aux_buffer).assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                          ++++++++++++++++++++++++++++++++++               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]   --> benches/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                          ----------------------------- temporary value created here
[INFO] [stdout] 80 |         if low == high {
[INFO] [stdout] 81 |             &slice[low]
[INFO] [stdout]    |             ^^^^^^^^^^^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0133, E0507, E0515, E0716.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `median` (bench "main") due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "de76dbd848be9ff5f5b858901048f2d5456816adf9238b06902150cf8a7553be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de76dbd848be9ff5f5b858901048f2d5456816adf9238b06902150cf8a7553be", kill_on_drop: false }`
[INFO] [stdout] de76dbd848be9ff5f5b858901048f2d5456816adf9238b06902150cf8a7553be
[INFO] checking median-0.3.2 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate median 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate median 0.3.2 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate median 0.3.2
[INFO] finished tweaking crates.io crate median 0.3.2
[INFO] tweaked toml for crates.io crate median 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e8ea0e96b88d44b42f50122c54dadc2bee57b2788fd124468ee71327e480857
[INFO] running `Command { std: "docker" "start" "-a" "9e8ea0e96b88d44b42f50122c54dadc2bee57b2788fd124468ee71327e480857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e8ea0e96b88d44b42f50122c54dadc2bee57b2788fd124468ee71327e480857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8ea0e96b88d44b42f50122c54dadc2bee57b2788fd124468ee71327e480857", kill_on_drop: false }`
[INFO] [stdout] 9e8ea0e96b88d44b42f50122c54dadc2bee57b2788fd124468ee71327e480857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34f6e89cea364489bcb539c1f91ba9e7466d64559e1170d26fa37fc91228cf36
[INFO] running `Command { std: "docker" "start" "-a" "34f6e89cea364489bcb539c1f91ba9e7466d64559e1170d26fa37fc91228cf36", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking median v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking noisy_float v0.1.15
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut aux_buffer = mem::MaybeUninit::<A>::uninit();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function `MaybeUninit::<T>::assume_init` is unsafe and requires unsafe function or block
[INFO] [stdout]   --> benches/main.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.aux_buffer` which is behind a mutable reference
[INFO] [stdout]   --> benches/main.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ ------------- `self.aux_buffer` moved due to this method call
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              move occurs because `self.aux_buffer` has type `MaybeUninit<A>`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] note: `MaybeUninit::<T>::assume_init` takes ownership of the receiver `self`, which moves `self.aux_buffer`
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/core/src/mem/maybe_uninit.rs:627:37
[INFO] [stdout] help: you could `clone` the value and consume it, if the `A: Copy` trait bound could be satisfied
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let slice = &mut <MaybeUninit<A> as Clone>::clone(&self.aux_buffer).assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                              ++++++++++++++++++++++++++++++++++               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> benches/main.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                        - temporary value is freed at the end of this statement
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              creates a temporary value which is freed while still in use
[INFO] [stdout] 50 |             for (index, item) in self.buffer.iter().enumerate() {
[INFO] [stdout] 51 |                 slice[index] = item.clone();
[INFO] [stdout]    |                 ------------ borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function `MaybeUninit::<T>::assume_init` is unsafe and requires unsafe function or block
[INFO] [stdout]   --> benches/main.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.aux_buffer` which is behind a mutable reference
[INFO] [stdout]   --> benches/main.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^ ------------- `self.aux_buffer` moved due to this method call
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          move occurs because `self.aux_buffer` has type `MaybeUninit<A>`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] note: `MaybeUninit::<T>::assume_init` takes ownership of the receiver `self`, which moves `self.aux_buffer`
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/core/src/mem/maybe_uninit.rs:627:37
[INFO] [stdout] help: you could `clone` the value and consume it, if the `A: Copy` trait bound could be satisfied
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let slice = &mut <MaybeUninit<A> as Clone>::clone(&self.aux_buffer).assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                          ++++++++++++++++++++++++++++++++++               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing temporary value
[INFO] [stdout]   --> benches/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                          ----------------------------- temporary value created here
[INFO] [stdout] 80 |         if low == high {
[INFO] [stdout] 81 |             &slice[low]
[INFO] [stdout]    |             ^^^^^^^^^^^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0133, E0507, E0515, E0716.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `median` (bench "main") due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "34f6e89cea364489bcb539c1f91ba9e7466d64559e1170d26fa37fc91228cf36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f6e89cea364489bcb539c1f91ba9e7466d64559e1170d26fa37fc91228cf36", kill_on_drop: false }`
[INFO] [stdout] 34f6e89cea364489bcb539c1f91ba9e7466d64559e1170d26fa37fc91228cf36
