[INFO] fetching crate slut 0.2.1...
[INFO] testing slut-0.2.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate slut 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate slut 0.2.1
[INFO] finished tweaking crates.io crate slut 0.2.1
[INFO] tweaked toml for crates.io crate slut 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slut 0.2.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slut 0.2.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aaeef17e32426df1206b363f179cbcefb12cfacf042660ca3c32d01cbf4abed
[INFO] running `Command { std: "docker" "start" "-a" "7aaeef17e32426df1206b363f179cbcefb12cfacf042660ca3c32d01cbf4abed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aaeef17e32426df1206b363f179cbcefb12cfacf042660ca3c32d01cbf4abed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aaeef17e32426df1206b363f179cbcefb12cfacf042660ca3c32d01cbf4abed", kill_on_drop: false }`
[INFO] [stdout] 7aaeef17e32426df1206b363f179cbcefb12cfacf042660ca3c32d01cbf4abed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29ab0c6eee91166275f2ca35cf371479c86bebc321d8f22ab0aa1569aae04925
[INFO] running `Command { std: "docker" "start" "-a" "29ab0c6eee91166275f2ca35cf371479c86bebc321d8f22ab0aa1569aae04925", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling slut v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(trivial_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_arg_infer)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_arg_infer` has been stable since `1.89.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::complex::c64`
[INFO] [stdout]  --> src/tensor/base.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::complex::c64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dimension::Dimension`
[INFO] [stdout]  --> src/tensor/base.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::dimension::Dimension;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/tensor/ops.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/tensor/scalar.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/tensor/natural.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::*`
[INFO] [stdout]   --> src/tensor/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use fmt::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/units.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 99 |     type Dimension = dim_mul!((<L as Unit>::Dimension), (<R as Unit>::Dimension));
[INFO] [stdout]    |                               ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 99 -     type Dimension = dim_mul!((<L as Unit>::Dimension), (<R as Unit>::Dimension));
[INFO] [stdout] 99 +     type Dimension = dim_mul!(<L as Unit>::Dimension, (<R as Unit>::Dimension));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/units.rs:99:57
[INFO] [stdout]    |
[INFO] [stdout] 99 |     type Dimension = dim_mul!((<L as Unit>::Dimension), (<R as Unit>::Dimension));
[INFO] [stdout]    |                                                         ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 99 -     type Dimension = dim_mul!((<L as Unit>::Dimension), (<R as Unit>::Dimension));
[INFO] [stdout] 99 +     type Dimension = dim_mul!((<L as Unit>::Dimension), <R as Unit>::Dimension);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/units.rs:121:31
[INFO] [stdout]     |
[INFO] [stdout] 121 |     type Dimension = dim_inv!((<T as Unit>::Dimension));
[INFO] [stdout]     |                               ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -     type Dimension = dim_inv!((<T as Unit>::Dimension));
[INFO] [stdout] 121 +     type Dimension = dim_inv!(<T as Unit>::Dimension);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::complex::c64`
[INFO] [stdout]  --> src/si.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::complex::c64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]    --> src/si.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 | use std::marker::PhantomData;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/si.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     (dim_mul!(
[INFO] [stdout]     |     ^
[INFO] [stdout] ...
[INFO] [stdout] 202 |     ))
[INFO] [stdout]     |      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 199 ~     dim_mul!(
[INFO] [stdout] 200 |         Mass,
[INFO] [stdout] 201 |         (dim_inv!(Time))
[INFO] [stdout] 202 ~     )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/si.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         (dim_inv!(Time))
[INFO] [stdout]     |         ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 201 -         (dim_inv!(Time))
[INFO] [stdout] 201 +         dim_inv!(Time)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_arg_infer` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_arg_infer)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slut` (lib) due to 3 previous errors; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "29ab0c6eee91166275f2ca35cf371479c86bebc321d8f22ab0aa1569aae04925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ab0c6eee91166275f2ca35cf371479c86bebc321d8f22ab0aa1569aae04925", kill_on_drop: false }`
[INFO] [stdout] 29ab0c6eee91166275f2ca35cf371479c86bebc321d8f22ab0aa1569aae04925