[INFO] fetching crate stacked 0.1.3...
[INFO] testing stacked-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate stacked 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate stacked 0.1.3
[INFO] finished tweaking crates.io crate stacked 0.1.3
[INFO] tweaked toml for crates.io crate stacked 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stacked 0.1.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66f8c277ceefa60742dadbfae94c11ea714faff31547794639ef929fdbb79bac
[INFO] running `Command { std: "docker" "start" "-a" "66f8c277ceefa60742dadbfae94c11ea714faff31547794639ef929fdbb79bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f8c277ceefa60742dadbfae94c11ea714faff31547794639ef929fdbb79bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f8c277ceefa60742dadbfae94c11ea714faff31547794639ef929fdbb79bac", kill_on_drop: false }`
[INFO] [stdout] 66f8c277ceefa60742dadbfae94c11ea714faff31547794639ef929fdbb79bac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a2d86b5e4195c9edd6315ded99ea8b6c0d06701388e76862550d8baa0869fb
[INFO] running `Command { std: "docker" "start" "-a" "88a2d86b5e4195c9edd6315ded99ea8b6c0d06701388e76862550d8baa0869fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling kerr v0.1.4
[INFO] [stderr]    Compiling stacked v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, const_in_array_repeat_expressions)]
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.51.0; see <https://github.com/rust-lang/rust/pull/80404> for more information
[INFO] [stdout]   = note: removed due to causing promotable bugs
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, const_in_array_repeat_expressions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | def_stackvec!(   2,    SVec2,    SString2);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | def_stackvec!(   4,    SVec4,    SString4);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | def_stackvec!(   8,    SVec8,    SString8);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | def_stackvec!(  16,   SVec16,   SString16);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | def_stackvec!(  32,   SVec32,   SString32);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | def_stackvec!(  64,   SVec64,   SString64);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | def_stackvec!( 128,  SVec128,  SString128);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | def_stackvec!( 256,  SVec256,  SString256);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | def_stackvec!( 512,  SVec512,  SString512);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | def_stackvec!(1024, SVec1024, SString1024);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | def_stackvec!(2048, SVec2048, SString2048);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | def_stackvec!(4096, SVec4096, SString4096);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: Copy` is not satisfied
[INFO] [stdout]   --> src/svec.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [None; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           ^^^^ the trait `Copy` is not implemented for `T`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | def_stackvec!(8192, SVec8192, SString8192);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Option<T>` to implement `Copy`
[INFO] [stdout]    = note: the `Copy` trait is required because this value will be copied for each element of the array
[INFO] [stdout]    = note: this error originates in the macro `def_stackvec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         impl<T: std::marker::Copy> SVec for $svec<T> {
[INFO] [stdout]    |               +++++++++++++++++++
[INFO] [stdout] help: create an inline `const` block
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Self{ data:/*unsafe { mem::zeroed() },*/ [const { None }; $size],  // const_in_array_repeat_expression
[INFO] [stdout]    |                                                           +++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stacked` (lib) due to 15 previous errors
[INFO] running `Command { std: "docker" "inspect" "88a2d86b5e4195c9edd6315ded99ea8b6c0d06701388e76862550d8baa0869fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a2d86b5e4195c9edd6315ded99ea8b6c0d06701388e76862550d8baa0869fb", kill_on_drop: false }`
[INFO] [stdout] 88a2d86b5e4195c9edd6315ded99ea8b6c0d06701388e76862550d8baa0869fb
