[INFO] fetching crate varlen_example 0.1.2... [INFO] testing varlen_example-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate varlen_example 0.1.2 into /workspace/builds/worker-6-tc2/source [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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate varlen_example 0.1.2 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 32 packages to latest compatible versions [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3e7b2730c121b7b295dda3e1ed1e153d9a271f7233eb0cf5264886f06248b117 [INFO] running `Command { std: "docker" "start" "-a" "3e7b2730c121b7b295dda3e1ed1e153d9a271f7233eb0cf5264886f06248b117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e7b2730c121b7b295dda3e1ed1e153d9a271f7233eb0cf5264886f06248b117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e7b2730c121b7b295dda3e1ed1e153d9a271f7233eb0cf5264886f06248b117", kill_on_drop: false }` [INFO] [stdout] 3e7b2730c121b7b295dda3e1ed1e153d9a271f7233eb0cf5264886f06248b117 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5c5c5abcaf690df421fab0b8a572b56809c5ade961e211cec9b72f4fc36e29de [INFO] running `Command { std: "docker" "start" "-a" "5c5c5abcaf690df421fab0b8a572b56809c5ade961e211cec9b72f4fc36e29de", kill_on_drop: false }` [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 2.29s [INFO] running `Command { std: "docker" "inspect" "5c5c5abcaf690df421fab0b8a572b56809c5ade961e211cec9b72f4fc36e29de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c5c5abcaf690df421fab0b8a572b56809c5ade961e211cec9b72f4fc36e29de", kill_on_drop: false }` [INFO] [stdout] 5c5c5abcaf690df421fab0b8a572b56809c5ade961e211cec9b72f4fc36e29de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dec34052337c8ff7be1774138c471bc5272e0ef7a5f95b7e7929ccb75062e47d [INFO] running `Command { std: "docker" "start" "-a" "dec34052337c8ff7be1774138c471bc5272e0ef7a5f95b7e7929ccb75062e47d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling trybuild v1.0.111 [INFO] [stderr] Compiling varlen_example v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 10.73s [INFO] running `Command { std: "docker" "inspect" "dec34052337c8ff7be1774138c471bc5272e0ef7a5f95b7e7929ccb75062e47d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dec34052337c8ff7be1774138c471bc5272e0ef7a5f95b7e7929ccb75062e47d", kill_on_drop: false }` [INFO] [stdout] dec34052337c8ff7be1774138c471bc5272e0ef7a5f95b7e7929ccb75062e47d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0913900a8fddf84eb2ee25b857f7e110e2a8cc385a1ac6d8014ac441e5d3e2f6 [INFO] running `Command { std: "docker" "start" "-a" "0913900a8fddf84eb2ee25b857f7e110e2a8cc385a1ac6d8014ac441e5d3e2f6", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/varlen_example-3c9852c4cda66ebd) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::field_access_and_modify ... ok [INFO] [stdout] test tests::modify_header_field_checked ... ok [INFO] [stdout] test tests::modify_header_field_bad_layout_panics ... ok [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling quote v1.0.41 [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] 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 10.69s [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: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[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[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, [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); [INFO] [stderr] | ^^^^ required by this bound in `RequiresCopy` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `Vec: std::marker::Copy` is not satisfied [INFO] [stderr] --> shouldfail/bad_type.rs:21:19 [INFO] [stderr] | [INFO] [stderr] 21 | mut_variable: RequiresCopy>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec` [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); [INFO] [stderr] | ^^^^ required by this bound in `RequiresCopy` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `Vec>: std::marker::Copy` is not satisfied [INFO] [stderr] --> shouldfail/bad_type.rs:24:11 [INFO] [stderr] | [INFO] [stderr] 24 | arr: [RequiresCopy>>; 4usize], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec>` [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); [INFO] [stderr] | ^^^^ required by this bound in `RequiresCopy` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `Vec>: std::marker::Copy` is not satisfied [INFO] [stderr] --> shouldfail/bad_type.rs:24:10 [INFO] [stderr] | [INFO] [stderr] 24 | arr: [RequiresCopy>>; 4usize], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec>` [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); [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(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 { [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, [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); [INFO] [stderr] | ^^^^ required by this bound in `RequiresCopy` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `Vec: std::marker::Copy` is not satisfied [INFO] [stderr] --> shouldfail/bad_type.rs:21:19 [INFO] [stderr] | [INFO] [stderr] 21 | mut_variable: RequiresCopy>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec` [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); [INFO] [stderr] | ^^^^ required by this bound in `RequiresCopy` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `Vec>: std::marker::Copy` is not satisfied [INFO] [stderr] --> shouldfail/bad_type.rs:24:11 [INFO] [stderr] | [INFO] [stderr] 24 | arr: [RequiresCopy>>; 4usize], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec>` [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); [INFO] [stderr] | ^^^^ required by this bound in `RequiresCopy` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `Vec>: std::marker::Copy` is not satisfied [INFO] [stderr] --> shouldfail/bad_type.rs:24:10 [INFO] [stderr] | [INFO] [stderr] 24 | arr: [RequiresCopy>>; 4usize], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec>` [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); [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 an implicit `Sized` bound in `ArrayMarker` [INFO] [stderr] --> $CARGO/varlen-$VERSION/src/marker.rs [INFO] [stderr] | [INFO] [stderr] | pub struct ArrayMarker(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] --> $CARGO/varlen-$VERSION/src/array_init.rs [INFO] [stderr] | [INFO] [stderr] | pub unsafe trait ArrayInitializer { [INFO] [stderr] | ^ required by the implicit `Sized` requirement on this type parameter in `ArrayInitializer` [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>>; 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); [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, [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); [INFO] [stderr] | ^^^^ required by this bound in `RequiresCopy` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `Vec: std::marker::Copy` is not satisfied [INFO] [stderr] --> shouldfail/bad_type.rs:21:19 [INFO] [stderr] | [INFO] [stderr] 21 | mut_variable: RequiresCopy>, [INFO] [stderr] | ^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec` [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); [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, [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); [INFO] [stderr] | ^^^^ required by this bound in `RequiresCopy` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `Vec: std::marker::Copy` is not satisfied [INFO] [stderr] --> shouldfail/bad_type.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | mut_variable: RequiresCopy>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `Vec` [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); [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); [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] --> $CARGO/varlen-$VERSION/src/macro_support.rs [INFO] [stderr] | [INFO] [stderr] | pub const fn cat_array_field_fast( [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 `std::mem::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] --> $CARGO/varlen-$VERSION/src/macro_support.rs [INFO] [stderr] | [INFO] [stderr] | pub unsafe fn drop_array(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] --> $CARGO/varlen-$VERSION/src/macro_support.rs [INFO] [stderr] | [INFO] [stderr] | pub const fn cat_array_field_cautious( [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]` [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 ... mismatch [INFO] [stderr] [INFO] [stderr] EXPECTED: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0425]: cannot find value `x` in this scope [INFO] [stderr] --> shouldfail/invalid_len_expr.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | arr: [u8; x * y], [INFO] [stderr] | ^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `y` in this scope [INFO] [stderr] --> shouldfail/invalid_len_expr.rs:11:19 [INFO] [stderr] | [INFO] [stderr] 11 | arr: [u8; x * y], [INFO] [stderr] | ^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `not_a_header` in this scope [INFO] [stderr] --> shouldfail/invalid_len_expr.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | arr3: [u8; *not_a_header], [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> shouldfail/invalid_len_expr.rs:14:16 [INFO] [stderr] | [INFO] [stderr] 3 | #[define_varlen] [INFO] [stderr] | ---------------- expected `usize` because of return type [INFO] [stderr] ... [INFO] [stderr] 14 | arr2: [u8; *u8_len], [INFO] [stderr] | ^^^^^^^ expected `usize`, found `u8` [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] [INFO] [stderr] ACTUAL OUTPUT: [INFO] [stderr] ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ [INFO] [stderr] error[E0425]: cannot find value `x` in this scope [INFO] [stderr] --> shouldfail/invalid_len_expr.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | arr: [u8; x * y], [INFO] [stderr] | ^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `y` in this scope [INFO] [stderr] --> shouldfail/invalid_len_expr.rs:11:19 [INFO] [stderr] | [INFO] [stderr] 11 | arr: [u8; x * y], [INFO] [stderr] | ^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `not_a_header` in this scope [INFO] [stderr] --> shouldfail/invalid_len_expr.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | arr3: [u8; *not_a_header], [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> shouldfail/invalid_len_expr.rs:14:16 [INFO] [stderr] | [INFO] [stderr] 3 | #[define_varlen] [INFO] [stderr] | ---------------- expected `usize` because of return type [INFO] [stderr] ... [INFO] [stderr] 14 | arr2: [u8; *u8_len], [INFO] [stderr] | ^^^^^^^ expected `usize`, found `u8` [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/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 function `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] [INFO] [stdout] thread 'tests::compile_errors_are_good' (25) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.111/src/run.rs:102:13: [INFO] [stdout] 4 of 5 tests failed [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56fc5743dd22 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x56fc5743dd22 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x56fc5743dd22 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x56fc5743dd22 - ::fmt::h67edf0e4d33c343c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x56fc5744fa1f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x56fc5744fa1f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x56fc57408071 - std::io::default_write_fmt::h69967ac0ba93195f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x56fc57408071 - std::io::Write::write_fmt::h8db9396209deaa1c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x56fc57415622 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x56fc5741ac8f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x56fc5741ab21 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x56fc573d81ce - as core::ops::function::Fn>::call::h18383b2e29377420 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x56fc573d81ce - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x56fc5741b34f - as core::ops::function::Fn>::call::h6dba6e441651a0d1 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x56fc5741b34f - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x56fc5741b1aa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x56fc57415759 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x56fc573fb3dd - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x56fc57458d90 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x56fc572355d3 - trybuild::run::::run::heec18a90f79bc7ad [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.111/src/run.rs:102:13 [INFO] [stdout] 20: 0x56fc5722f508 - ::drop::h0ba579a056d771d7 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trybuild-1.0.111/src/lib.rs:342:38 [INFO] [stdout] 21: 0x56fc57170b67 - core::ptr::drop_in_place::h6cb51aa0ca71c751 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ptr/mod.rs:804:1 [INFO] [stdout] 22: 0x56fc5716f7c3 - varlen_example::tests::compile_errors_are_good::hfd7ffcf854e336e2 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:196:5 [INFO] [stdout] 23: 0x56fc5716f7f7 - varlen_example::tests::compile_errors_are_good::{{closure}}::h97f1d736e42fdfcf [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:193:33 [INFO] [stdout] 24: 0x56fc571709a6 - core::ops::function::FnOnce::call_once::h06f3f63ac912fbc2 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x56fc573d7f8b - core::ops::function::FnOnce::call_once::h70887edf07a630ba [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 26: 0x56fc573d7f8b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18 [INFO] [stdout] 27: 0x56fc573edbf5 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74 [INFO] [stdout] 28: 0x56fc573edbf5 - as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 29: 0x56fc573edbf5 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x56fc573edbf5 - std::panicking::catch_unwind::hae1ec7bf94407afa [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x56fc573edbf5 - std::panic::catch_unwind::h0f4ff4773d84d3cd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x56fc573edbf5 - test::run_test_in_process::h03fbc77ae48b3f10 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27 [INFO] [stdout] 33: 0x56fc573edbf5 - test::run_test::{{closure}}::h83476a9c453dc4d3 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43 [INFO] [stdout] 34: 0x56fc573c43e4 - test::run_test::{{closure}}::h515482ad1e7fe7de [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41 [INFO] [stdout] 35: 0x56fc573c43e4 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 36: 0x56fc573c7caa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 37: 0x56fc573c7caa - as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 38: 0x56fc573c7caa - std::panicking::catch_unwind::do_call::hdc29e11311eb7655 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 39: 0x56fc573c7caa - std::panicking::catch_unwind::h9e402d6a96fef41c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 40: 0x56fc573c7caa - std::panic::catch_unwind::h9213c0c54aec70e0 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 41: 0x56fc573c7caa - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 42: 0x56fc573c7caa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 43: 0x56fc5741013f - as core::ops::function::FnOnce>::call_once::h2044e71c41d3958a [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 44: 0x56fc5741013f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17 [INFO] [stdout] 45: 0x7e7f73957aa4 - [INFO] [stdout] 46: 0x7e7f739e4a34 - clone [INFO] [stdout] 47: 0x0 - [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 11.35s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "0913900a8fddf84eb2ee25b857f7e110e2a8cc385a1ac6d8014ac441e5d3e2f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0913900a8fddf84eb2ee25b857f7e110e2a8cc385a1ac6d8014ac441e5d3e2f6", kill_on_drop: false }` [INFO] [stdout] 0913900a8fddf84eb2ee25b857f7e110e2a8cc385a1ac6d8014ac441e5d3e2f6