[INFO] fetching crate varlen_example 0.1.2...
[INFO] testing varlen_example-0.1.2 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate varlen_example 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate varlen_example 0.1.2 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varlen_example 0.1.2
[INFO] finished tweaking crates.io crate varlen_example 0.1.2
[INFO] tweaked toml for crates.io crate varlen_example 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded varlen_macro v0.1.3
[INFO] [stderr]   Downloaded varlen v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5fd1c7f700226bc49b5ab150328ae8555d57d589174dea0c37694ee411efb8e
[INFO] running `Command { std: "docker" "start" "-a" "e5fd1c7f700226bc49b5ab150328ae8555d57d589174dea0c37694ee411efb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5fd1c7f700226bc49b5ab150328ae8555d57d589174dea0c37694ee411efb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5fd1c7f700226bc49b5ab150328ae8555d57d589174dea0c37694ee411efb8e", kill_on_drop: false }`
[INFO] [stdout] e5fd1c7f700226bc49b5ab150328ae8555d57d589174dea0c37694ee411efb8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed8c366205fe2a950d5cdd3441e8b92e6c7195230496f791a08f6e8d1aa2942f
[INFO] running `Command { std: "docker" "start" "-a" "ed8c366205fe2a950d5cdd3441e8b92e6c7195230496f791a08f6e8d1aa2942f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling varlen_macro v0.1.3
[INFO] [stderr]    Compiling varlen v0.1.2
[INFO] [stderr]    Compiling varlen_example v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "ed8c366205fe2a950d5cdd3441e8b92e6c7195230496f791a08f6e8d1aa2942f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8c366205fe2a950d5cdd3441e8b92e6c7195230496f791a08f6e8d1aa2942f", kill_on_drop: false }`
[INFO] [stdout] ed8c366205fe2a950d5cdd3441e8b92e6c7195230496f791a08f6e8d1aa2942f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09042b91460d5fff37c563e92facc78a94e22b1dbd32f4fca07a7f2668202f0c
[INFO] running `Command { std: "docker" "start" "-a" "09042b91460d5fff37c563e92facc78a94e22b1dbd32f4fca07a7f2668202f0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling trybuild v1.0.101
[INFO] [stderr]    Compiling varlen_example v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.17s
[INFO] running `Command { std: "docker" "inspect" "09042b91460d5fff37c563e92facc78a94e22b1dbd32f4fca07a7f2668202f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09042b91460d5fff37c563e92facc78a94e22b1dbd32f4fca07a7f2668202f0c", kill_on_drop: false }`
[INFO] [stdout] 09042b91460d5fff37c563e92facc78a94e22b1dbd32f4fca07a7f2668202f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10d5405dab3c6061ba1eff165d644363c674437365e1e4e012d1550d7822f1a4
[INFO] running `Command { std: "docker" "start" "-a" "10d5405dab3c6061ba1eff165d644363c674437365e1e4e012d1550d7822f1a4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/varlen_example-c1c73fdd2c879487)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::field_access_and_modify ... ok
[INFO] [stdout] test tests::modify_header_field_bad_layout_panics ... ok
[INFO] [stdout] test tests::modify_header_field_checked ... ok
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling varlen_macro v0.1.3
[INFO] [stderr]     Checking varlen v0.1.2
[INFO] [stderr]     Checking varlen_example v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking varlen_example-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/varlen_example)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.58s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test shouldfail/bad_names.rs ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error[E0124]: field `x` is already declared
[INFO] [stderr]  --> shouldfail/bad_names.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     x: u8,
[INFO] [stderr]   |     ----- `x` first declared here
[INFO] [stderr] ...
[INFO] [stderr] 9 |     x: u8,
[INFO] [stderr]   |     ^^^^^ field already declared
[INFO] [stderr] 
[INFO] [stderr] error[E0124]: field `x` is already declared
[INFO] [stderr]  --> shouldfail/bad_names.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[define_varlen]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   | |
[INFO] [stderr]   | field already declared
[INFO] [stderr]   | `x` first declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in the attribute macro `define_varlen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error[E0124]: field `x` is already declared
[INFO] [stderr]  --> shouldfail/bad_names.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     x: u8,
[INFO] [stderr]   |     ----- `x` first declared here
[INFO] [stderr] ...
[INFO] [stderr] 9 |     x: u8,
[INFO] [stderr]   |     ^^^^^ field already declared
[INFO] [stderr] 
[INFO] [stderr] error[E0124]: field `x` is already declared
[INFO] [stderr]  --> shouldfail/bad_names.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[define_varlen]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   | |
[INFO] [stderr]   | field already declared
[INFO] [stderr]   | `x` first declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in the attribute macro `define_varlen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0062]: field `x` specified more than once
[INFO] [stderr]  --> shouldfail/bad_names.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     x: u8,
[INFO] [stderr]   |     ----- first use of `x`
[INFO] [stderr] ...
[INFO] [stderr] 9 |     x: u8,
[INFO] [stderr]   |     ^ used more than once
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning
[INFO] [stderr]       your test with the environment variable TRYBUILD=overwrite
[INFO] [stderr] 
[INFO] [stderr] test shouldfail/bad_type.rs ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error[E0412]: cannot find type `UndefinedType1` in this scope
[INFO] [stderr]  --> shouldfail/bad_type.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 |     header_variable: UndefinedType1,
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UndefinedType2` in this scope
[INFO] [stderr]  --> shouldfail/bad_type.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     mut_variable: UndefinedType2,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UndefinedType3` in this scope
[INFO] [stderr]   --> shouldfail/bad_type.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 |     arr: [UndefinedType3; 4usize],
[INFO] [stderr]    |           ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UndefinedType3` in this scope
[INFO] [stderr]   --> shouldfail/bad_type.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 |     arr: [UndefinedType3; 4usize],
[INFO] [stderr]    |           ^^^^^^^^^^^^^^         - help: you might be missing a type parameter: `, UndefinedType3`
[INFO] [stderr]    |           |
[INFO] [stderr]    |           not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `String: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     header_variable: RequiresCopy<String>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `String`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Vec<String>: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |     mut_variable: RequiresCopy<Vec<String>>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec<String>`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Vec<Vec<String>>: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:24:11
[INFO] [stderr]    |
[INFO] [stderr] 24 |     arr: [RequiresCopy<Vec<Vec<String>>>; 4usize],
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec<Vec<String>>`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Vec<Vec<String>>: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |     arr: [RequiresCopy<Vec<Vec<String>>>; 4usize],
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec<Vec<String>>`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     header_variable: [u8],
[INFO] [stderr]    |                      ^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u8]`
[INFO] [stderr]    = note: only the last field of a struct may have a dynamically sized type
[INFO] [stderr]    = help: change the field's type to have a statically known size
[INFO] [stderr] help: borrowed types always have a statically known size
[INFO] [stderr]    |
[INFO] [stderr] 30 |     header_variable: &[u8],
[INFO] [stderr]    |                      +
[INFO] [stderr] help: the `Box` type always has a statically known size and allocates its contents in the heap
[INFO] [stderr]    |
[INFO] [stderr] 30 |     header_variable: Box<[u8]>,
[INFO] [stderr]    |                      ++++    +
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u16]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:32:19
[INFO] [stderr]    |
[INFO] [stderr] 32 |     mut_variable: [u16],
[INFO] [stderr]    |                   ^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u16]`
[INFO] [stderr]    = note: only the last field of a struct may have a dynamically sized type
[INFO] [stderr]    = help: change the field's type to have a statically known size
[INFO] [stderr] help: borrowed types always have a statically known size
[INFO] [stderr]    |
[INFO] [stderr] 32 |     mut_variable: &[u16],
[INFO] [stderr]    |                   +
[INFO] [stderr] help: the `Box` type always has a statically known size and allocates its contents in the heap
[INFO] [stderr]    |
[INFO] [stderr] 32 |     mut_variable: Box<[u16]>,
[INFO] [stderr]    |                   ++++     +
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |          ^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr]    = note: slice and array elements must have `Sized` type
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |          ^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr] note: required by a bound in `ArrayMarker`
[INFO] [stderr]   --> $WORKSPACE/varlen/src/marker.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub struct ArrayMarker<T>(core::marker::PhantomPinned, core::marker::PhantomData<[T]>);
[INFO] [stderr]    |                        ^ required by this bound in `ArrayMarker`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |          ^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr] note: required by a bound in `ArrayInitializer`
[INFO] [stderr]   --> $WORKSPACE/varlen/src/array_init.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub unsafe trait ArrayInitializer<T> {
[INFO] [stderr]    |                                   ^ required by this bound in `ArrayInitializer`
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error[E0412]: cannot find type `UndefinedType1` in this scope
[INFO] [stderr]  --> shouldfail/bad_type.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 |     header_variable: UndefinedType1,
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UndefinedType2` in this scope
[INFO] [stderr]  --> shouldfail/bad_type.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     mut_variable: UndefinedType2,
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UndefinedType3` in this scope
[INFO] [stderr]   --> shouldfail/bad_type.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 |     arr: [UndefinedType3; 4usize],
[INFO] [stderr]    |           ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `UndefinedType3` in this scope
[INFO] [stderr]   --> shouldfail/bad_type.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 |     arr: [UndefinedType3; 4usize],
[INFO] [stderr]    |           ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: you might be missing a type parameter
[INFO] [stderr]    |
[INFO] [stderr] 11 |     arr: [UndefinedType3; 4usize], UndefinedType3,
[INFO] [stderr]    |                                  ++++++++++++++++
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `String: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     header_variable: RequiresCopy<String>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `String`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Vec<String>: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |     mut_variable: RequiresCopy<Vec<String>>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec<String>`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Vec<Vec<String>>: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:24:11
[INFO] [stderr]    |
[INFO] [stderr] 24 |     arr: [RequiresCopy<Vec<Vec<String>>>; 4usize],
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec<Vec<String>>`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Vec<Vec<String>>: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |     arr: [RequiresCopy<Vec<Vec<String>>>; 4usize],
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec<Vec<String>>`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     header_variable: [u8],
[INFO] [stderr]    |                      ^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u8]`
[INFO] [stderr]    = note: only the last field of a struct may have a dynamically sized type
[INFO] [stderr]    = help: change the field's type to have a statically known size
[INFO] [stderr] help: borrowed types always have a statically known size
[INFO] [stderr]    |
[INFO] [stderr] 30 |     header_variable: &[u8],
[INFO] [stderr]    |                      +
[INFO] [stderr] help: the `Box` type always has a statically known size and allocates its contents in the heap
[INFO] [stderr]    |
[INFO] [stderr] 30 |     header_variable: Box<[u8]>,
[INFO] [stderr]    |                      ++++    +
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u16]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:32:19
[INFO] [stderr]    |
[INFO] [stderr] 32 |     mut_variable: [u16],
[INFO] [stderr]    |                   ^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u16]`
[INFO] [stderr]    = note: only the last field of a struct may have a dynamically sized type
[INFO] [stderr]    = help: change the field's type to have a statically known size
[INFO] [stderr] help: borrowed types always have a statically known size
[INFO] [stderr]    |
[INFO] [stderr] 32 |     mut_variable: &[u16],
[INFO] [stderr]    |                   +
[INFO] [stderr] help: the `Box` type always has a statically known size and allocates its contents in the heap
[INFO] [stderr]    |
[INFO] [stderr] 32 |     mut_variable: Box<[u16]>,
[INFO] [stderr]    |                   ++++     +
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |          ^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr] note: required by an implicit `Sized` bound in `ArrayMarker`
[INFO] [stderr]   --> $CARGO/varlen-0.1.2/src/marker.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub struct ArrayMarker<T>(core::marker::PhantomPinned, core::marker::PhantomData<[T]>);
[INFO] [stderr]    |                        ^ required by the implicit `Sized` requirement on this type parameter in `ArrayMarker`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |          ^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr] note: required by an implicit `Sized` bound in `ArrayInitializer`
[INFO] [stderr]   --> $CARGO/varlen-0.1.2/src/array_init.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub unsafe trait ArrayInitializer<T> {
[INFO] [stderr]    |                                   ^ required by the implicit `Sized` requirement on this type parameter in `ArrayInitializer`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |          ^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr]    = note: slice and array elements must have `Sized` type
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `InitArr: ArrayInitializer<_>` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     arr: [UndefinedType3; 4usize],
[INFO] [stderr]    |     ^^^^^------------------------
[INFO] [stderr]    |     |    |
[INFO] [stderr]    |     |    required by a bound introduced by this call
[INFO] [stderr]    |     the trait `ArrayInitializer<_>` is not implemented for `InitArr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following other types implement trait `ArrayInitializer<T>`:
[INFO] [stderr]              CloneFrom<'a, T>
[INFO] [stderr]              CopyFrom<'a, T>
[INFO] [stderr]              FillSequentially<Lambda>
[INFO] [stderr]              FillWithDefault
[INFO] [stderr]              FromIterPrefix<Iter>
[INFO] [stderr]              MoveFrom<T, N>
[INFO] [stderr] note: required by a bound in `init_array`
[INFO] [stderr]   --> $CARGO/varlen-0.1.2/src/macro_support.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub unsafe fn init_array<T>(
[INFO] [stderr]    |               ---------- required by a bound in this function
[INFO] [stderr]    |     init: impl ArrayInitializer<T>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^ required by this bound in `init_array`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `String: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |     arr: [RequiresCopy<Vec<Vec<String>>>; 4usize],
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `String`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `String: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     header_variable: RequiresCopy<String>,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `String`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Vec<String>: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |     mut_variable: RequiresCopy<Vec<String>>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec<String>`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `String: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     header_variable: RequiresCopy<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `String`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `Vec<String>: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     mut_variable: RequiresCopy<Vec<String>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec<String>`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `String: std::marker::Copy` is not satisfied
[INFO] [stderr]   --> shouldfail/bad_type.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[define_varlen]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `String`
[INFO] [stderr]    |
[INFO] [stderr] note: required by a bound in `RequiresCopy`
[INFO] [stderr]   --> shouldfail/bad_type.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct RequiresCopy<T: Copy>(T);
[INFO] [stderr]    |                        ^^^^ required by this bound in `RequiresCopy`
[INFO] [stderr]    = note: this error originates in the attribute macro `define_varlen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:11
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |           ^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr] note: required by an implicit `Sized` bound in `cat_array_field_fast`
[INFO] [stderr]   --> $CARGO/varlen-0.1.2/src/macro_support.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub const fn cat_array_field_fast<T>(
[INFO] [stderr]    |                                   ^ required by the implicit `Sized` requirement on this type parameter in `cat_array_field_fast`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:11
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |           ^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr] note: required by an implicit `Sized` bound in `align_of`
[INFO] [stderr]   --> $RUST/core/src/mem/mod.rs
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:11
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |           ^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr] note: required by an implicit `Sized` bound in `drop_array`
[INFO] [stderr]   --> $CARGO/varlen-0.1.2/src/macro_support.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub unsafe fn drop_array<T>(p: *mut u8, offset: usize, len: usize) {
[INFO] [stderr]    |                          ^ required by the implicit `Sized` requirement on this type parameter in `drop_array`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u32]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:35:11
[INFO] [stderr]    |
[INFO] [stderr] 35 |     arr: [[u32]; 4],
[INFO] [stderr]    |           ^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Sized` is not implemented for `[u32]`
[INFO] [stderr] note: required by an implicit `Sized` bound in `cat_array_field_cautious`
[INFO] [stderr]   --> $CARGO/varlen-0.1.2/src/macro_support.rs
[INFO] [stderr]    |
[INFO] [stderr]    | pub const fn cat_array_field_cautious<T>(
[INFO] [stderr]    |                                       ^ required by the implicit `Sized` requirement on this type parameter in `cat_array_field_cautious`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stderr]   --> shouldfail/bad_type.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[define_varlen]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: within `struct_with_unsized_types::LayoutControllers`, the trait `Sized` is not implemented for `[u8]`, which is required by `struct_with_unsized_types::LayoutControllers: Sized`
[INFO] [stderr] note: required because it appears within the type `struct_with_unsized_types::LayoutControllers`
[INFO] [stderr]   --> shouldfail/bad_type.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[define_varlen]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: this error originates in the attribute macro `define_varlen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: function arguments must have a statically known size, borrowed types always have a known size
[INFO] [stderr]    |
[INFO] [stderr] 27 | &#[define_varlen]
[INFO] [stderr]    | +
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning
[INFO] [stderr]       your test with the environment variable TRYBUILD=overwrite
[INFO] [stderr] 
[INFO] [stderr] test shouldfail/invalid_len_expr.rs ... ok
[INFO] [stderr] test shouldfail/nonconst_len_expr.rs ... mismatch
[INFO] [stderr] 
[INFO] [stderr] EXPECTED:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: pointers cannot be cast to integers during const eval
[INFO] [stderr]   --> shouldfail/nonconst_len_expr.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |     arr1: [u8; u8_len as *const _ as usize],
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: at compile-time, pointers do not have an integer value
[INFO] [stderr]    = note: avoiding this restriction via `transmute`, `union`, or raw pointers leads to compile-time undefined behavior
[INFO] [stderr] 
[INFO] [stderr] error[E0015]: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stderr]   --> shouldfail/nonconst_len_expr.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     arr2: [u8; next_rand()],
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stderr]   --> shouldfail/nonconst_len_expr.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |     arr4: [u8; std::mem::transmute(u8_len) ]
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stderr]    |
[INFO] [stderr]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] 
[INFO] [stderr] ACTUAL OUTPUT:
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] error: pointers cannot be cast to integers during const eval
[INFO] [stderr]   --> shouldfail/nonconst_len_expr.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |     arr1: [u8; u8_len as *const _ as usize],
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: at compile-time, pointers do not have an integer value
[INFO] [stderr]    = note: avoiding this restriction via `transmute`, `union`, or raw pointers leads to compile-time undefined behavior
[INFO] [stderr] 
[INFO] [stderr] error[E0015]: cannot call non-const fn `next_rand` in constant functions
[INFO] [stderr]   --> shouldfail/nonconst_len_expr.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     arr2: [u8; next_rand()],
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stderr] 
[INFO] [stderr] error[E0133]: call to unsafe function `std::intrinsics::transmute` is unsafe and requires unsafe function or block
[INFO] [stderr]   --> shouldfail/nonconst_len_expr.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |     arr4: [u8; std::mem::transmute(u8_len) ]
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stderr]    |
[INFO] [stderr]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈
[INFO] [stderr] note: If the actual output is the correct output you can bless it by rerunning
[INFO] [stderr]       your test with the environment variable TRYBUILD=overwrite
[INFO] [stderr] 
[INFO] [stderr] test shouldfail/unsupported_syntax.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test tests::compile_errors_are_good ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::compile_errors_are_good stdout ----
[INFO] [stdout] thread 'tests::compile_errors_are_good' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/trybuild-1.0.101/src/run.rs:101:13:
[INFO] [stdout] 3 of 5 tests failed
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556c7f92cbca - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x556c7f92cbca - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556c7f92cbca - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x556c7f92cbca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x556c7f955803 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x556c7f955803 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x556c7f9292a3 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x556c7f92ca12 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x556c7f92e62a - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x556c7f92e434 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x556c7f8f6899 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x556c7f8f6899 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x556c7f92ecc8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x556c7f92ecc8 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x556c7f92ea8a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x556c7f92d0a9 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x556c7f92e71c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x556c7f603210 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x556c7f616def - trybuild::run::<impl trybuild::Runner>::run::h01159f76b4420e85
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/trybuild-1.0.101/src/run.rs:101:13
[INFO] [stdout]   19:     0x556c7f61c2f8 - <trybuild::TestCases as core::ops::drop::Drop>::drop::hea40de2950baaa3d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/trybuild-1.0.101/src/lib.rs:340:13
[INFO] [stdout]   20:     0x556c7f604f67 - core::ptr::drop_in_place<trybuild::TestCases>::h11afb57e19a2ed4e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ptr/mod.rs:574:1
[INFO] [stdout]   21:     0x556c7f60a273 - varlen_example::tests::compile_errors_are_good::h836b683b30455b9a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:196:5
[INFO] [stdout]   22:     0x556c7f60a207 - varlen_example::tests::compile_errors_are_good::{{closure}}::hf40909b9812a62ed
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:193:33
[INFO] [stdout]   23:     0x556c7f604c86 - core::ops::function::FnOnce::call_once::h06fdc12d7c1eb7e7
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x556c7f8fb25b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x556c7f8fb25b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x556c7f8faa97 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x556c7f8faa97 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x556c7f8faa97 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   29:     0x556c7f8faa97 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   30:     0x556c7f8faa97 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x556c7f8faa97 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x556c7f8faa97 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   33:     0x556c7f8bfd74 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x556c7f8bfd74 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   35:     0x556c7f8c343e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   36:     0x556c7f8c343e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x556c7f8c343e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   38:     0x556c7f8c343e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   39:     0x556c7f8c343e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x556c7f8c343e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   41:     0x556c7f8c343e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x556c7f9339bb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x556c7f9339bb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   44:     0x556c7f9339bb - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   45:     0x7ae2dc72eac3 - <unknown>
[INFO] [stdout]   46:     0x7ae2dc7bfa04 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::compile_errors_are_good
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.14s
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "10d5405dab3c6061ba1eff165d644363c674437365e1e4e012d1550d7822f1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d5405dab3c6061ba1eff165d644363c674437365e1e4e012d1550d7822f1a4", kill_on_drop: false }`
[INFO] [stdout] 10d5405dab3c6061ba1eff165d644363c674437365e1e4e012d1550d7822f1a4
