[INFO] fetching crate flatk 0.3.1...
[INFO] checking flatk-0.3.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate flatk 0.3.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate flatk 0.3.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatk 0.3.1
[INFO] finished tweaking crates.io crate flatk 0.3.1
[INFO] tweaked toml for crates.io crate flatk 0.3.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate flatk 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8594b28ea15eff9a62b354db91a59ce9ab80828a864f24ef4584ace603a5a929
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8594b28ea15eff9a62b354db91a59ce9ab80828a864f24ef4584ace603a5a929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8594b28ea15eff9a62b354db91a59ce9ab80828a864f24ef4584ace603a5a929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8594b28ea15eff9a62b354db91a59ce9ab80828a864f24ef4584ace603a5a929", kill_on_drop: false }`
[INFO] [stdout] 8594b28ea15eff9a62b354db91a59ce9ab80828a864f24ef4584ace603a5a929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccbae60a2951e816ee2e6decde3bbc5889cd59d8367e8d613b8c5a6043cd6008
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ccbae60a2951e816ee2e6decde3bbc5889cd59d8367e8d613b8c5a6043cd6008", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking reinterpret v0.2.1
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling flatk-derive v0.2.0
[INFO] [stderr]     Checking flatk v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/chunked/offsets.rs:382:44
[INFO] [stdout]     |
[INFO] [stdout] 382 |         let rng = self.offset_value_ranges.get_unchecked(i);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `TrustedRandomAccess::get_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(trusted_random_access)]` to the crate attributes to enable `std::iter::Iterator::get_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/chunked/offsets.rs:470:44
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let rng = self.offset_value_ranges.get_unchecked(i);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `TrustedRandomAccess::get_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(trusted_random_access)]` to the crate attributes to enable `std::iter::Iterator::get_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/chunked/offsets.rs:552:44
[INFO] [stdout]     |
[INFO] [stdout] 552 |         let rng = self.offset_value_ranges.get_unchecked(i);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `TrustedRandomAccess::get_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(trusted_random_access)]` to the crate attributes to enable `std::iter::Iterator::get_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/chunked/offsets.rs:635:44
[INFO] [stdout]     |
[INFO] [stdout] 635 |         let rng = self.offset_value_ranges.get_unchecked(i);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `TrustedRandomAccess::get_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(trusted_random_access)]` to the crate attributes to enable `std::iter::Iterator::get_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `gpu`
[INFO] [stdout]   --> benches/gpu.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn gpu_collatz(v: &gpu::CompiledProgram<gpu::Slice<u32>, gpu::OutputBuffer<u32>>) -> u32 {
[INFO] [stdout]    |                    ^^^ use of undeclared type or module `gpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `gpu`
[INFO] [stdout]   --> benches/gpu.rs:52:41
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn gpu_collatz(v: &gpu::CompiledProgram<gpu::Slice<u32>, gpu::OutputBuffer<u32>>) -> u32 {
[INFO] [stdout]    |                                         ^^^ use of undeclared type or module `gpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `gpu`
[INFO] [stdout]   --> benches/gpu.rs:52:58
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn gpu_collatz(v: &gpu::CompiledProgram<gpu::Slice<u32>, gpu::OutputBuffer<u32>>) -> u32 {
[INFO] [stdout]    |                                                          ^^^ use of undeclared type or module `gpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: bytemuck::pod::Pod` is not satisfied
[INFO] [stdout]   --> benches/isolate_iter_mut.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Chunked::from_offsets(o, Chunked3::from_flat(v))
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^ the trait `bytemuck::pod::Pod` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `flatk::Array<T>` for `typenum::uint::UInt<typenum::uint::UInt<typenum::uint::UTerm, B1>, B1>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `UniChunkable<typenum::uint::UInt<typenum::uint::UInt<typenum::uint::UTerm, B1>, B1>>` for `Vec<T>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `flatk::Set` for `UniChunked<Vec<T>, U<typenum::uint::UInt<typenum::uint::UInt<typenum::uint::UTerm, B1>, B1>>>`
[INFO] [stdout]    = note: required by `flatk::Chunked::<S, Offsets<O>>::from_offsets`
[INFO] [stdout] help: consider further restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Standard: Distribution<T>, T: bytemuck::pod::Pod
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_gpu` found for reference `&[u32]` in the current scope
[INFO] [stdout]   --> benches/gpu.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let v_gpu = v.as_slice().into_gpu().map(collatz).compile();
[INFO] [stdout]    |                                  ^^^^^^^^ method not found in `&[u32]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_gpu` found for reference `&[u32]` in the current scope
[INFO] [stdout]    --> benches/gpu.rs:100:35
[INFO] [stdout]     |
[INFO] [stdout] 100 |                     let v_gpu = v.into_gpu().map(collatz).compile();
[INFO] [stdout]     |                                   ^^^^^^^^ method not found in `&[u32]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flatk`
[INFO] [stdout]  --> benches/gpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use flatk::*;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flatk`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_iter` found for struct `Object<&mut [f32; 3], &mut [f32; 3]>` in the current scope
[INFO] [stdout]   --> examples/entity.rs:61:66
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct Object<X, V> {
[INFO] [stdout]    | -------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | method `into_iter` not found for this
[INFO] [stdout]    | doesn't satisfy `Object<&mut [f32; 3], &mut [f32; 3]>: IntoIterator`
[INFO] [stdout]    | doesn't satisfy `Object<&mut [f32; 3], &mut [f32; 3]>: Iterator`
[INFO] [stdout] ...
[INFO] [stdout] 61 |                 for (prev_x, cur) in prev.pos.iter_mut().zip(cur.into_iter()) {
[INFO] [stdout]    |                                                                  ^^^^^^^^^ method not found in `Object<&mut [f32; 3], &mut [f32; 3]>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `into_iter` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `Object<&mut [f32; 3], &mut [f32; 3]>: Iterator`
[INFO] [stdout]            which is required by `Object<&mut [f32; 3], &mut [f32; 3]>: IntoIterator`
[INFO] [stdout]            `&Object<&mut [f32; 3], &mut [f32; 3]>: Iterator`
[INFO] [stdout]            which is required by `&Object<&mut [f32; 3], &mut [f32; 3]>: IntoIterator`
[INFO] [stdout]            `&mut Object<&mut [f32; 3], &mut [f32; 3]>: Iterator`
[INFO] [stdout]            which is required by `&mut Object<&mut [f32; 3], &mut [f32; 3]>: IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `iter_mut` found for struct `State<&mut [{float}; 3], &mut [{float}; 3]>` in the current scope
[INFO] [stdout]   --> examples/composite_entity.rs:85:41
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct State<X, V> {
[INFO] [stdout]    | ------------------ method `iter_mut` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 85 |                 for (prev, cur) in prev.iter_mut().zip(cur.iter_mut()) {
[INFO] [stdout]    |                                         ^^^^^^^^ method not found in `State<&mut [{float}; 3], &mut [{float}; 3]>`
[INFO] [stdout]    |
[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 `iter_mut`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `iter_mut` found for struct `State<&mut [{float}; 3], &mut [{float}; 3]>` in the current scope
[INFO] [stdout]   --> examples/composite_entity.rs:85:60
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct State<X, V> {
[INFO] [stdout]    | ------------------ method `iter_mut` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 85 |                 for (prev, cur) in prev.iter_mut().zip(cur.iter_mut()) {
[INFO] [stdout]    |                                                            ^^^^^^^^ method not found in `State<&mut [{float}; 3], &mut [{float}; 3]>`
[INFO] [stdout]    |
[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 `iter_mut`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/chunked/offsets.rs:382:44
[INFO] [stdout]     |
[INFO] [stdout] 382 |         let rng = self.offset_value_ranges.get_unchecked(i);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `TrustedRandomAccess::get_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(trusted_random_access)]` to the crate attributes to enable `std::iter::Iterator::get_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/chunked/offsets.rs:470:44
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let rng = self.offset_value_ranges.get_unchecked(i);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `TrustedRandomAccess::get_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(trusted_random_access)]` to the crate attributes to enable `std::iter::Iterator::get_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/chunked/offsets.rs:552:44
[INFO] [stdout]     |
[INFO] [stdout] 552 |         let rng = self.offset_value_ranges.get_unchecked(i);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `TrustedRandomAccess::get_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(trusted_random_access)]` to the crate attributes to enable `std::iter::Iterator::get_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/chunked/offsets.rs:635:44
[INFO] [stdout]     |
[INFO] [stdout] 635 |         let rng = self.offset_value_ranges.get_unchecked(i);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `TrustedRandomAccess::get_unchecked(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(trusted_random_access)]` to the crate attributes to enable `std::iter::Iterator::get_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ccbae60a2951e816ee2e6decde3bbc5889cd59d8367e8d613b8c5a6043cd6008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbae60a2951e816ee2e6decde3bbc5889cd59d8367e8d613b8c5a6043cd6008", kill_on_drop: false }`
[INFO] [stdout] ccbae60a2951e816ee2e6decde3bbc5889cd59d8367e8d613b8c5a6043cd6008
