[INFO] fetching crate raytracing 0.2.0...
[INFO] testing raytracing-0.2.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate raytracing 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate raytracing 0.2.0
[INFO] finished tweaking crates.io crate raytracing 0.2.0
[INFO] tweaked toml for crates.io crate raytracing 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate raytracing 0.2.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate raytracing 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded profiling-procmacros v1.0.16
[INFO] [stderr]   Downloaded v_frame v0.3.8
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eab2c31451e136c883f8232fc2b3add9ed32c12c0b4938276d96001b0bb15ed5
[INFO] running `Command { std: "docker" "start" "-a" "eab2c31451e136c883f8232fc2b3add9ed32c12c0b4938276d96001b0bb15ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab2c31451e136c883f8232fc2b3add9ed32c12c0b4938276d96001b0bb15ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab2c31451e136c883f8232fc2b3add9ed32c12c0b4938276d96001b0bb15ed5", kill_on_drop: false }`
[INFO] [stdout] eab2c31451e136c883f8232fc2b3add9ed32c12c0b4938276d96001b0bb15ed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e5c50782cdeb316121fc874f127f780cbeb4259faed0f7b372638a529cc91a7
[INFO] running `Command { std: "docker" "start" "-a" "1e5c50782cdeb316121fc874f127f780cbeb4259faed0f7b372638a529cc91a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling moddef v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling raytracing v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:102:20
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 && let Some(n) = raytrace.n
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]  --> src/matrix.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[const_trait]
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `slice_as_array`
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(slice_as_array)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a feature with a similar name: `array_as_slice`
[INFO] [stdout]   |
[INFO] [stdout] 6 - #![feature(slice_as_array)]
[INFO] [stdout] 6 + #![feature(array_as_slice)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `IdentitySpec` which is not `const`
[INFO] [stdout]   --> src/matrix.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     impl<F> const IdentitySpec for F
[INFO] [stdout]    |                   ^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] help: mark `IdentitySpec` as `const` to allow it to have `const` implementations
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub const trait IdentitySpec: Float
[INFO] [stdout]    |         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]   --> src/matrix.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |     F: Float + ~const private::IdentitySpec
[INFO] [stdout]    |                ^^^^^^ can't be applied to `IdentitySpec`
[INFO] [stdout]    |
[INFO] [stdout] help: mark `IdentitySpec` as `const` to allow it to have `const` implementations
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub const trait IdentitySpec: Float
[INFO] [stdout]    |         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const associated function `<F as IdentitySpec>::_identity::<N>` in constant functions
[INFO] [stdout]   --> src/matrix.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     F::_identity()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: associated function `_identity` is not const because trait `IdentitySpec` is not const
[INFO] [stdout]   --> src/matrix.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub trait IdentitySpec: Float
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not const
[INFO] [stdout] 11 |     {
[INFO] [stdout] 12 |         fn _identity<const N: usize>() -> [[Self; N]; N];
[INFO] [stdout]    |         ------------------------------------------------- this associated function is not const
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: consider making trait `IdentitySpec` const
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub const trait IdentitySpec: Float
[INFO] [stdout]    |         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raytracing` (lib) due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1e5c50782cdeb316121fc874f127f780cbeb4259faed0f7b372638a529cc91a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5c50782cdeb316121fc874f127f780cbeb4259faed0f7b372638a529cc91a7", kill_on_drop: false }`
[INFO] [stdout] 1e5c50782cdeb316121fc874f127f780cbeb4259faed0f7b372638a529cc91a7
