[INFO] fetching crate median 0.3.2...
[INFO] checking median-0.3.2 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate median 0.3.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate median 0.3.2 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 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-7-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 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 487f54542c7145c8c7f195b52ac0f63617e88bded9914ecefcb9f25d2da0a336
[INFO] running `Command { std: "docker" "start" "-a" "487f54542c7145c8c7f195b52ac0f63617e88bded9914ecefcb9f25d2da0a336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "487f54542c7145c8c7f195b52ac0f63617e88bded9914ecefcb9f25d2da0a336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487f54542c7145c8c7f195b52ac0f63617e88bded9914ecefcb9f25d2da0a336", kill_on_drop: false }`
[INFO] [stdout] 487f54542c7145c8c7f195b52ac0f63617e88bded9914ecefcb9f25d2da0a336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fc75a7ada38a310609e6bfb4bdc9028bf8bf4ef8f91b51f2b83a6a9f21e89999
[INFO] running `Command { std: "docker" "start" "-a" "fc75a7ada38a310609e6bfb4bdc9028bf8bf4ef8f91b51f2b83a6a9f21e89999", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking noisy_float v0.1.15
[INFO] [stderr]     Checking median v0.3.2 (/opt/rustwide/workdir)
[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/158f00a1c5175648af6f6099b075f78d1d014a28/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/158f00a1c5175648af6f6099b075f78d1d014a28/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" "fc75a7ada38a310609e6bfb4bdc9028bf8bf4ef8f91b51f2b83a6a9f21e89999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc75a7ada38a310609e6bfb4bdc9028bf8bf4ef8f91b51f2b83a6a9f21e89999", kill_on_drop: false }`
[INFO] [stdout] fc75a7ada38a310609e6bfb4bdc9028bf8bf4ef8f91b51f2b83a6a9f21e89999
[INFO] checking median-0.3.2 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate median 0.3.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate median 0.3.2 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 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-7-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]     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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8ebfa0982733b5b94355c05d8f8e8842052256b198dd97e86cc4cda265970531
[INFO] running `Command { std: "docker" "start" "-a" "8ebfa0982733b5b94355c05d8f8e8842052256b198dd97e86cc4cda265970531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ebfa0982733b5b94355c05d8f8e8842052256b198dd97e86cc4cda265970531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ebfa0982733b5b94355c05d8f8e8842052256b198dd97e86cc4cda265970531", kill_on_drop: false }`
[INFO] [stdout] 8ebfa0982733b5b94355c05d8f8e8842052256b198dd97e86cc4cda265970531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b5dc8af9ab2a72a57bb4543892eb40e37b47d24afa2c0cb124349d1b6fede015
[INFO] running `Command { std: "docker" "start" "-a" "b5dc8af9ab2a72a57bb4543892eb40e37b47d24afa2c0cb124349d1b6fede015", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking noisy_float v0.1.15
[INFO] [stderr]     Checking median v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/heap.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |         for i in 0..size {
[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/heap.rs:226:22
[INFO] [stdout]     |
[INFO] [stdout] 226 |         for index in 0..buffer_len {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/stack.rs:273:22
[INFO] [stdout]     |
[INFO] [stdout] 273 |         for index in 0..buffer_len {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/heap.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |         for i in 0..size {
[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/heap.rs:226:22
[INFO] [stdout]     |
[INFO] [stdout] 226 |         for index in 0..buffer_len {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> benches/main.rs:49:75
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[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/main.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |             for i in low..high {
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> benches/main.rs:79:71
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let slice = &mut self.aux_buffer.assume_init().as_mut_slice()[0..size];
[INFO] [stdout]    |                                                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/main.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |         for i in 0..ITERATIONS {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/stack.rs:273:22
[INFO] [stdout]     |
[INFO] [stdout] 273 |         for index in 0..buffer_len {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/main.rs:130:18
[INFO] [stdout]     |
[INFO] [stdout] 130 |         for i in 0..ITERATIONS {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/main.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 |         for i in 0..ITERATIONS {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/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/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/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; 7 warnings 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; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5dc8af9ab2a72a57bb4543892eb40e37b47d24afa2c0cb124349d1b6fede015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5dc8af9ab2a72a57bb4543892eb40e37b47d24afa2c0cb124349d1b6fede015", kill_on_drop: false }`
[INFO] [stdout] b5dc8af9ab2a72a57bb4543892eb40e37b47d24afa2c0cb124349d1b6fede015
