[INFO] cloning repository https://github.com/MxmUrw/categories
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MxmUrw/categories" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMxmUrw%2Fcategories", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMxmUrw%2Fcategories'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85ab0cb1b8afcd0ad35041d242c6366381695146
[INFO] testing MxmUrw/categories against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMxmUrw%2Fcategories" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/MxmUrw/categories
[INFO] finished tweaking git repo https://github.com/MxmUrw/categories
[INFO] tweaked toml for git repo https://github.com/MxmUrw/categories written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MxmUrw/categories on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MxmUrw/categories 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64a83e84c281f65703090a3d8813fbc33a5ffb7c8f62e1787b1d5e108043c397
[INFO] running `Command { std: "docker" "start" "-a" "64a83e84c281f65703090a3d8813fbc33a5ffb7c8f62e1787b1d5e108043c397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a83e84c281f65703090a3d8813fbc33a5ffb7c8f62e1787b1d5e108043c397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a83e84c281f65703090a3d8813fbc33a5ffb7c8f62e1787b1d5e108043c397", kill_on_drop: false }`
[INFO] [stdout] 64a83e84c281f65703090a3d8813fbc33a5ffb7c8f62e1787b1d5e108043c397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd2e11bcef860ec6a3aaf8b46b08650d23d7bf3a02babefe5f62940fe01d0874
[INFO] running `Command { std: "docker" "start" "-a" "dd2e11bcef860ec6a3aaf8b46b08650d23d7bf3a02babefe5f62940fe01d0874", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling frunk_core v0.4.3
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling frunk_proc_macros v0.1.3
[INFO] [stderr]    Compiling frunk_derives v0.4.3
[INFO] [stderr]    Compiling frunk v0.4.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling categories v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables
[INFO] [stdout]   --> src/examples/state_machine.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |     | δ (state: &mut S) (input : I) : O
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the usage includes 'δ' (U+03B4)
[INFO] [stdout]    = note: please recheck to make sure their usages are indeed what you want
[INFO] [stdout]    = note: `#[warn(mixed_script_confusables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]  --> src/lib.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{future::{self, Future}, ops::Deref, pin::Pin, time::Duration};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `define`
[INFO] [stdout]  --> src/experimental/laws.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{declare_many, define};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `kani`
[INFO] [stdout]   --> src/experimental/laws2.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(kani)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(kani)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(kani)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::define_many`
[INFO] [stdout]  --> src/examples/state_machine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::define_many;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::type_macros::*`
[INFO] [stdout]  --> src/macros.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::type_macros::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn funmap<A: 'static, B: 'static>(f: Self::of<impl Fn(A) -> B + 'static + 'static + Copy>) -> impl Fn(Self::of<A>) -> Self::of<B> {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 |         |a| todo!()
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]    --> src/macros.rs:238:109
[INFO] [stdout]     |
[INFO] [stdout] 238 |           impl Fn($head$(<$arg>),*::of<make_type_top!($($inside)+)>) -> make_type_top!($($rest)+) + 'static + Copy
[INFO] [stdout]     |                                                                                                               ^^^^ this bound is stronger than that defined on the trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core.rs:33:84
[INFO] [stdout]     |
[INFO] [stdout] 33  |       fn funmap<A: 'a, B: 'a>(f: Self::of<impl Fn(A) -> B + 'a + 'static + Copy>) -> impl Fn(Self::of<A>) -> Self::of<B>;
[INFO] [stdout]     |                                                                                      ----------------------------------- return type from trait method defined here
[INFO] [stdout] ...
[INFO] [stdout] 125 | /     define_many!
[INFO] [stdout] 126 | |     {
[INFO] [stdout] 127 | |         [ pure for (A : 'a). (a : A) : Self[A]
[INFO] [stdout] 128 | |         = Some(a)
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]     = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout]     = note: `#[warn(refining_impl_trait_reachable)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `make_type_gen` which comes from the expansion of the macro `define_many` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]     |
[INFO] [stdout] 238 -         impl Fn($head$(<$arg>),*::of<make_type_top!($($inside)+)>) -> make_type_top!($($rest)+) + 'static + Copy
[INFO] [stdout] 238 +         impl Fn(<Self as Functor<'a>>::of<A>) -> <Self as Functor<'a>>::of<B>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xs`
[INFO] [stdout]   --> src/experimental/categories3.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | const fn comb(xs: &[u8]) -> u8 {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_xs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/experimental/categories3.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut y = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/core.rs:213:28
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/core.rs:213:50
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stdout]     |                                                  ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ta`
[INFO] [stdout]    --> src/core.rs:213:56
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stdout]     |                                                        ^^ help: if this is intentional, prefix it with an underscore: `_ta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/type_macros.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let x: eval_type!(Option i8 + i8) = Either::Left(Some(0i8));
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `with` is never constructed
[INFO] [stdout]    --> src/lib.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | struct with 
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `retry` is never used
[INFO] [stdout]    --> src/lib.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn retry<M: TaskMonad, A: 'static>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mytest` is never used
[INFO] [stdout]    --> src/lib.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn mytest<M: TaskMonad>() -> M::of<i32>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IsCategory` is never used
[INFO] [stdout]  --> src/experimental/categories.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait IsCategory 
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymSet` is never constructed
[INFO] [stdout]   --> src/experimental/categories.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct SymSet {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BiFiber` is never used
[INFO] [stdout]   --> src/experimental/categories.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | trait BiFiber<Symbol: ?Sized>
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/experimental/categories.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | trait Arrow<A,B>
[INFO] [stdout]    |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn get(self) -> Self::C;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comb` is never used
[INFO] [stdout]   --> src/experimental/categories3.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | const fn comb(xs: &[u8]) -> u8 {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monoid` is never used
[INFO] [stdout]  --> src/experimental/monoidal_traits.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Monoid
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Convert` is never used
[INFO] [stdout]   --> src/experimental/monoidal_traits.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | trait Convert
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]   --> src/experimental/monoidal_traits.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | trait Trait
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymMonoid` is never constructed
[INFO] [stdout]   --> src/experimental/monoidal_traits.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SymMonoid;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]  --> src/experimental/monoidal_traits2.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait Trait
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/experimental/monoidal_traits2.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | const fn run(a: u8, b: u8) -> u8 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymMonoid` is never constructed
[INFO] [stdout]   --> src/experimental/laws.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct SymMonoid {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FinMon` is never constructed
[INFO] [stdout]   --> src/experimental/laws.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct FinMon<const size: u64> {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fibered` is never used
[INFO] [stdout]  --> src/examples/state_machine.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Fibered
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StateMachined` is never used
[INFO] [stdout]   --> src/examples/state_machine.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait StateMachined
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_fun` is never used
[INFO] [stdout]    --> src/core.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn my_fun
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]   --> src/type_macros.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum Either<A,B> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testf` is never used
[INFO] [stdout]    --> src/type_macros.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn testf()
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `throwError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn throwError<A>(e : E) -> Self::of<A>;
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `throw_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `catchError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn catchError<A>(action: Self::of<A>, handler: impl FnOnce(E) -> Self::of<A> + 'static) -> Self::of<A>;
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `catch_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `x` should have an upper case name
[INFO] [stdout]  --> src/experimental/categories4.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     const x: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stdout]   |           ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case (notice the capitalization difference)
[INFO] [stdout]   |
[INFO] [stdout] 9 -     const x: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stdout] 9 +     const X: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `size` should have an upper case name
[INFO] [stdout]   --> src/experimental/laws.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct FinMon<const size: u64> {}
[INFO] [stdout]    |                     ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `size` should have an upper case name
[INFO] [stdout]   --> src/experimental/laws.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<const size: u64> Monoid<u64> for FinMon<size>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 44 - impl<const size: u64> Monoid<u64> for FinMon<size>
[INFO] [stdout] 44 + impl<const SIZE: u64> Monoid<u64> for FinMon<size>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapM` should have a snake case name
[INFO] [stdout]    --> src/core.rs:289:11
[INFO] [stdout]     |
[INFO] [stdout] 289 |         [ mapM for 'a (A B : 'a + Copy) (M : Monad<'a>) (As : Iterator<Item=A>). (f : A -> M[B]) (xs: As) : M[Vec B]
[INFO] [stdout]     |           ^^^^ help: convert the identifier to snake case: `map_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.37s
[INFO] running `Command { std: "docker" "inspect" "dd2e11bcef860ec6a3aaf8b46b08650d23d7bf3a02babefe5f62940fe01d0874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2e11bcef860ec6a3aaf8b46b08650d23d7bf3a02babefe5f62940fe01d0874", kill_on_drop: false }`
[INFO] [stdout] dd2e11bcef860ec6a3aaf8b46b08650d23d7bf3a02babefe5f62940fe01d0874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 474c8cd0d47b25a46d85a3e5fddf6a47df4c23e4eb626d585f6e327727d014f4
[INFO] running `Command { std: "docker" "start" "-a" "474c8cd0d47b25a46d85a3e5fddf6a47df4c23e4eb626d585f6e327727d014f4", kill_on_drop: false }`
[INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables
[INFO] [stdout]   --> src/examples/state_machine.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |     | δ (state: &mut S) (input : I) : O
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the usage includes 'δ' (U+03B4)
[INFO] [stdout]    = note: please recheck to make sure their usages are indeed what you want
[INFO] [stdout]    = note: `#[warn(mixed_script_confusables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]  --> src/lib.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{future::{self, Future}, ops::Deref, pin::Pin, time::Duration};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `define`
[INFO] [stdout]  --> src/experimental/laws.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{declare_many, define};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `kani`
[INFO] [stdout]   --> src/experimental/laws2.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(kani)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(kani)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(kani)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::define_many`
[INFO] [stdout]  --> src/examples/state_machine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::define_many;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::type_macros::*`
[INFO] [stdout]  --> src/macros.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::type_macros::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn funmap<A: 'static, B: 'static>(f: Self::of<impl Fn(A) -> B + 'static + 'static + Copy>) -> impl Fn(Self::of<A>) -> Self::of<B> {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 |         |a| todo!()
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]    --> src/macros.rs:238:109
[INFO] [stdout]     |
[INFO] [stdout] 238 |           impl Fn($head$(<$arg>),*::of<make_type_top!($($inside)+)>) -> make_type_top!($($rest)+) + 'static + Copy
[INFO] [stdout]     |                                                                                                               ^^^^ this bound is stronger than that defined on the trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core.rs:33:84
[INFO] [stdout]     |
[INFO] [stdout] 33  |       fn funmap<A: 'a, B: 'a>(f: Self::of<impl Fn(A) -> B + 'a + 'static + Copy>) -> impl Fn(Self::of<A>) -> Self::of<B>;
[INFO] [stdout]     |                                                                                      ----------------------------------- return type from trait method defined here
[INFO] [stdout] ...
[INFO] [stdout] 125 | /     define_many!
[INFO] [stdout] 126 | |     {
[INFO] [stdout] 127 | |         [ pure for (A : 'a). (a : A) : Self[A]
[INFO] [stdout] 128 | |         = Some(a)
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]     = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout]     = note: `#[warn(refining_impl_trait_reachable)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `make_type_gen` which comes from the expansion of the macro `define_many` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]     |
[INFO] [stdout] 238 -         impl Fn($head$(<$arg>),*::of<make_type_top!($($inside)+)>) -> make_type_top!($($rest)+) + 'static + Copy
[INFO] [stdout] 238 +         impl Fn(<Self as Functor<'a>>::of<A>) -> <Self as Functor<'a>>::of<B>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xs`
[INFO] [stdout]   --> src/experimental/categories3.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | const fn comb(xs: &[u8]) -> u8 {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_xs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/experimental/categories3.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut y = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/core.rs:213:28
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/core.rs:213:50
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stdout]     |                                                  ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ta`
[INFO] [stdout]    --> src/core.rs:213:56
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stdout]     |                                                        ^^ help: if this is intentional, prefix it with an underscore: `_ta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/type_macros.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let x: eval_type!(Option i8 + i8) = Either::Left(Some(0i8));
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `with` is never constructed
[INFO] [stdout]    --> src/lib.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | struct with 
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `retry` is never used
[INFO] [stdout]    --> src/lib.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn retry<M: TaskMonad, A: 'static>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mytest` is never used
[INFO] [stdout]    --> src/lib.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn mytest<M: TaskMonad>() -> M::of<i32>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IsCategory` is never used
[INFO] [stdout]  --> src/experimental/categories.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait IsCategory 
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymSet` is never constructed
[INFO] [stdout]   --> src/experimental/categories.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct SymSet {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BiFiber` is never used
[INFO] [stdout]   --> src/experimental/categories.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | trait BiFiber<Symbol: ?Sized>
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/experimental/categories.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | trait Arrow<A,B>
[INFO] [stdout]    |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn get(self) -> Self::C;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comb` is never used
[INFO] [stdout]   --> src/experimental/categories3.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | const fn comb(xs: &[u8]) -> u8 {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monoid` is never used
[INFO] [stdout]  --> src/experimental/monoidal_traits.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Monoid
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Convert` is never used
[INFO] [stdout]   --> src/experimental/monoidal_traits.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | trait Convert
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]   --> src/experimental/monoidal_traits.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | trait Trait
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymMonoid` is never constructed
[INFO] [stdout]   --> src/experimental/monoidal_traits.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SymMonoid;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]  --> src/experimental/monoidal_traits2.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait Trait
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/experimental/monoidal_traits2.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | const fn run(a: u8, b: u8) -> u8 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymMonoid` is never constructed
[INFO] [stdout]   --> src/experimental/laws.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct SymMonoid {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FinMon` is never constructed
[INFO] [stdout]   --> src/experimental/laws.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct FinMon<const size: u64> {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fibered` is never used
[INFO] [stdout]  --> src/examples/state_machine.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Fibered
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StateMachined` is never used
[INFO] [stdout]   --> src/examples/state_machine.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait StateMachined
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_fun` is never used
[INFO] [stdout]    --> src/core.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn my_fun
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]   --> src/type_macros.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum Either<A,B> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testf` is never used
[INFO] [stdout]    --> src/type_macros.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn testf()
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `throwError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn throwError<A>(e : E) -> Self::of<A>;
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `throw_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling categories v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait method `catchError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn catchError<A>(action: Self::of<A>, handler: impl FnOnce(E) -> Self::of<A> + 'static) -> Self::of<A>;
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `catch_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `x` should have an upper case name
[INFO] [stdout]  --> src/experimental/categories4.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     const x: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stdout]   |           ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case (notice the capitalization difference)
[INFO] [stdout]   |
[INFO] [stdout] 9 -     const x: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stdout] 9 +     const X: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `size` should have an upper case name
[INFO] [stdout]   --> src/experimental/laws.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct FinMon<const size: u64> {}
[INFO] [stdout]    |                     ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `size` should have an upper case name
[INFO] [stdout]   --> src/experimental/laws.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<const size: u64> Monoid<u64> for FinMon<size>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 44 - impl<const size: u64> Monoid<u64> for FinMon<size>
[INFO] [stdout] 44 + impl<const SIZE: u64> Monoid<u64> for FinMon<size>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapM` should have a snake case name
[INFO] [stdout]    --> src/core.rs:289:11
[INFO] [stdout]     |
[INFO] [stdout] 289 |         [ mapM for 'a (A B : 'a + Copy) (M : Monad<'a>) (As : Iterator<Item=A>). (f : A -> M[B]) (xs: As) : M[Vec B]
[INFO] [stdout]     |           ^^^^ help: convert the identifier to snake case: `map_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables
[INFO] [stdout]   --> src/examples/state_machine.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |     | δ (state: &mut S) (input : I) : O
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the usage includes 'δ' (U+03B4)
[INFO] [stdout]    = note: please recheck to make sure their usages are indeed what you want
[INFO] [stdout]    = note: `#[warn(mixed_script_confusables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]  --> src/lib.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{future::{self, Future}, ops::Deref, pin::Pin, time::Duration};
[INFO] [stdout]   |                                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `define`
[INFO] [stdout]  --> src/experimental/laws.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{declare_many, define};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `kani`
[INFO] [stdout]   --> src/experimental/laws2.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(kani)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(kani)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(kani)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::define_many`
[INFO] [stdout]  --> src/examples/state_machine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::define_many;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::type_macros::*`
[INFO] [stdout]  --> src/macros.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::type_macros::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn funmap<A: 'static, B: 'static>(f: Self::of<impl Fn(A) -> B + 'static + 'static + Copy>) -> impl Fn(Self::of<A>) -> Self::of<B> {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 |         |a| todo!()
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]    --> src/macros.rs:238:109
[INFO] [stdout]     |
[INFO] [stdout] 238 |           impl Fn($head$(<$arg>),*::of<make_type_top!($($inside)+)>) -> make_type_top!($($rest)+) + 'static + Copy
[INFO] [stdout]     |                                                                                                               ^^^^ this bound is stronger than that defined on the trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/core.rs:33:84
[INFO] [stdout]     |
[INFO] [stdout] 33  |       fn funmap<A: 'a, B: 'a>(f: Self::of<impl Fn(A) -> B + 'a + 'static + Copy>) -> impl Fn(Self::of<A>) -> Self::of<B>;
[INFO] [stdout]     |                                                                                      ----------------------------------- return type from trait method defined here
[INFO] [stdout] ...
[INFO] [stdout] 125 | /     define_many!
[INFO] [stdout] 126 | |     {
[INFO] [stdout] 127 | |         [ pure for (A : 'a). (a : A) : Self[A]
[INFO] [stdout] 128 | |         = Some(a)
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]     = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout]     = note: `#[warn(refining_impl_trait_reachable)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `make_type_gen` which comes from the expansion of the macro `define_many` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]     |
[INFO] [stdout] 238 -         impl Fn($head$(<$arg>),*::of<make_type_top!($($inside)+)>) -> make_type_top!($($rest)+) + 'static + Copy
[INFO] [stdout] 238 +         impl Fn(<Self as Functor<'a>>::of<A>) -> <Self as Functor<'a>>::of<B>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xs`
[INFO] [stdout]   --> src/experimental/categories3.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | const fn comb(xs: &[u8]) -> u8 {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_xs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/experimental/categories3.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut y = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/core.rs:213:28
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/core.rs:213:50
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stdout]     |                                                  ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ta`
[INFO] [stdout]    --> src/core.rs:213:56
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stdout]     |                                                        ^^ help: if this is intentional, prefix it with an underscore: `_ta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/type_macros.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let x: eval_type!(Option i8 + i8) = Either::Left(Some(0i8));
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `with` is never constructed
[INFO] [stdout]    --> src/lib.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | struct with 
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `retry` is never used
[INFO] [stdout]    --> src/lib.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn retry<M: TaskMonad, A: 'static>
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mytest` is never used
[INFO] [stdout]    --> src/lib.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn mytest<M: TaskMonad>() -> M::of<i32>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IsCategory` is never used
[INFO] [stdout]  --> src/experimental/categories.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait IsCategory 
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymSet` is never constructed
[INFO] [stdout]   --> src/experimental/categories.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct SymSet {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BiFiber` is never used
[INFO] [stdout]   --> src/experimental/categories.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | trait BiFiber<Symbol: ?Sized>
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/experimental/categories.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | trait Arrow<A,B>
[INFO] [stdout]    |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn get(self) -> Self::C;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comb` is never used
[INFO] [stdout]   --> src/experimental/categories3.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | const fn comb(xs: &[u8]) -> u8 {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monoid` is never used
[INFO] [stdout]  --> src/experimental/monoidal_traits.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Monoid
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Convert` is never used
[INFO] [stdout]   --> src/experimental/monoidal_traits.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | trait Convert
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]   --> src/experimental/monoidal_traits.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | trait Trait
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymMonoid` is never constructed
[INFO] [stdout]   --> src/experimental/monoidal_traits.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SymMonoid;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]  --> src/experimental/monoidal_traits2.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait Trait
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/experimental/monoidal_traits2.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | const fn run(a: u8, b: u8) -> u8 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymMonoid` is never constructed
[INFO] [stdout]   --> src/experimental/laws.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct SymMonoid {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Fibered` is never used
[INFO] [stdout]  --> src/examples/state_machine.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Fibered
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StateMachined` is never used
[INFO] [stdout]   --> src/examples/state_machine.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait StateMachined
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_fun` is never used
[INFO] [stdout]    --> src/core.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn my_fun
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]   --> src/type_macros.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum Either<A,B> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testf` is never used
[INFO] [stdout]    --> src/type_macros.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn testf()
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `throwError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn throwError<A>(e : E) -> Self::of<A>;
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `throw_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `catchError` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn catchError<A>(action: Self::of<A>, handler: impl FnOnce(E) -> Self::of<A> + 'static) -> Self::of<A>;
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `catch_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `x` should have an upper case name
[INFO] [stdout]  --> src/experimental/categories4.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     const x: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stdout]   |           ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case (notice the capitalization difference)
[INFO] [stdout]   |
[INFO] [stdout] 9 -     const x: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stdout] 9 +     const X: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `size` should have an upper case name
[INFO] [stdout]   --> src/experimental/laws.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct FinMon<const size: u64> {}
[INFO] [stdout]    |                     ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `size` should have an upper case name
[INFO] [stdout]   --> src/experimental/laws.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<const size: u64> Monoid<u64> for FinMon<size>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 44 - impl<const size: u64> Monoid<u64> for FinMon<size>
[INFO] [stdout] 44 + impl<const SIZE: u64> Monoid<u64> for FinMon<size>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapM` should have a snake case name
[INFO] [stdout]    --> src/core.rs:289:11
[INFO] [stdout]     |
[INFO] [stdout] 289 |         [ mapM for 'a (A B : 'a + Copy) (M : Monad<'a>) (As : Iterator<Item=A>). (f : A -> M[B]) (xs: As) : M[Vec B]
[INFO] [stdout]     |           ^^^^ help: convert the identifier to snake case: `map_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "474c8cd0d47b25a46d85a3e5fddf6a47df4c23e4eb626d585f6e327727d014f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474c8cd0d47b25a46d85a3e5fddf6a47df4c23e4eb626d585f6e327727d014f4", kill_on_drop: false }`
[INFO] [stdout] 474c8cd0d47b25a46d85a3e5fddf6a47df4c23e4eb626d585f6e327727d014f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80e596c51de7a24976c0be1e4db684c0c2005159e22b829ce955a15aa74f9261
[INFO] running `Command { std: "docker" "start" "-a" "80e596c51de7a24976c0be1e4db684c0c2005159e22b829ce955a15aa74f9261", kill_on_drop: false }`
[INFO] [stderr] warning: the usage of Script Group `Greek` in this crate consists solely of mixed script confusables
[INFO] [stderr]   --> src/examples/state_machine.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 |     | δ (state: &mut S) (input : I) : O
[INFO] [stderr]    |       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the usage includes 'δ' (U+03B4)
[INFO] [stderr]    = note: please recheck to make sure their usages are indeed what you want
[INFO] [stderr]    = note: `#[warn(mixed_script_confusables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::Deref`
[INFO] [stderr]  --> src/lib.rs:9:35
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{future::{self, Future}, ops::Deref, pin::Pin, time::Duration};
[INFO] [stderr]   |                                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `define`
[INFO] [stderr]  --> src/experimental/laws.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{declare_many, define};
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `kani`
[INFO] [stderr]   --> src/experimental/laws2.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[cfg(kani)]
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(kani)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(kani)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::define_many`
[INFO] [stderr]  --> src/examples/state_machine.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::define_many;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::type_macros::*`
[INFO] [stderr]  --> src/macros.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::type_macros::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/lib.rs:83:39
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn funmap<A: 'static, B: 'static>(f: Self::of<impl Fn(A) -> B + 'static + 'static + Copy>) -> impl Fn(Self::of<A>) -> Self::of<B> {
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/lib.rs:84:10
[INFO] [stderr]    |
[INFO] [stderr] 84 |         |a| todo!()
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stderr]    --> src/macros.rs:238:109
[INFO] [stderr]     |
[INFO] [stderr] 238 |           impl Fn($head$(<$arg>),*::of<make_type_top!($($inside)+)>) -> make_type_top!($($rest)+) + 'static + Copy
[INFO] [stderr]     |                                                                                                               ^^^^ this bound is stronger than that defined on the trait
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/core.rs:33:84
[INFO] [stderr]     |
[INFO] [stderr] 33  |       fn funmap<A: 'a, B: 'a>(f: Self::of<impl Fn(A) -> B + 'a + 'static + Copy>) -> impl Fn(Self::of<A>) -> Self::of<B>;
[INFO] [stderr]     |                                                                                      ----------------------------------- return type from trait method defined here
[INFO] [stderr] ...
[INFO] [stderr] 125 | /     define_many!
[INFO] [stderr] 126 | |     {
[INFO] [stderr] 127 | |         [ pure for (A : 'a). (a : A) : Self[A]
[INFO] [stderr] 128 | |         = Some(a)
[INFO] [stderr] ...   |
[INFO] [stderr] 135 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stderr]     = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stderr]     = note: `#[warn(refining_impl_trait_reachable)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `make_type_gen` which comes from the expansion of the macro `define_many` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: replace the return type so that it matches the trait
[INFO] [stderr]     |
[INFO] [stderr] 238 -         impl Fn($head$(<$arg>),*::of<make_type_top!($($inside)+)>) -> make_type_top!($($rest)+) + 'static + Copy
[INFO] [stderr] 238 +         impl Fn(<Self as Functor<'a>>::of<A>) -> <Self as Functor<'a>>::of<B>
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xs`
[INFO] [stderr]   --> src/experimental/categories3.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 | const fn comb(xs: &[u8]) -> u8 {
[INFO] [stderr]    |               ^^ help: if this is intentional, prefix it with an underscore: `_xs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/experimental/categories3.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut y = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/core.rs:213:28
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/core.rs:213:50
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stderr]     |                                                  ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ta`
[INFO] [stderr]    --> src/core.rs:213:56
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn foldr<A: 'a, B: 'a>(f: impl Fn(A,B) -> B, b: B, ta: Self::of<A>) -> B {
[INFO] [stderr]     |                                                        ^^ help: if this is intentional, prefix it with an underscore: `_ta`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/type_macros.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let x: eval_type!(Option i8 + i8) = Either::Left(Some(0i8));
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `with` is never constructed
[INFO] [stderr]    --> src/lib.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 | struct with 
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `retry` is never used
[INFO] [stderr]    --> src/lib.rs:153:4
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn retry<M: TaskMonad, A: 'static>
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mytest` is never used
[INFO] [stderr]    --> src/lib.rs:175:4
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn mytest<M: TaskMonad>() -> M::of<i32>
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IsCategory` is never used
[INFO] [stderr]  --> src/experimental/categories.rs:2:7
[INFO] [stderr]   |
[INFO] [stderr] 2 | trait IsCategory 
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SymSet` is never constructed
[INFO] [stderr]   --> src/experimental/categories.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct SymSet {}
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `BiFiber` is never used
[INFO] [stderr]   --> src/experimental/categories.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | trait BiFiber<Symbol: ?Sized>
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get` is never used
[INFO] [stderr]   --> src/experimental/categories.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | trait Arrow<A,B>
[INFO] [stderr]    |       ----- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 33 |     fn get(self) -> Self::C;
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `comb` is never used
[INFO] [stderr]   --> src/experimental/categories3.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 | const fn comb(xs: &[u8]) -> u8 {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Monoid` is never used
[INFO] [stderr]  --> src/experimental/monoidal_traits.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | trait Monoid
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Convert` is never used
[INFO] [stderr]   --> src/experimental/monoidal_traits.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | trait Convert
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Trait` is never used
[INFO] [stderr]   --> src/experimental/monoidal_traits.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 | trait Trait
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SymMonoid` is never constructed
[INFO] [stderr]   --> src/experimental/monoidal_traits.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct SymMonoid;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Trait` is never used
[INFO] [stderr]  --> src/experimental/monoidal_traits2.rs:2:7
[INFO] [stderr]   |
[INFO] [stderr] 2 | trait Trait
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run` is never used
[INFO] [stderr]   --> src/experimental/monoidal_traits2.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | const fn run(a: u8, b: u8) -> u8 {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SymMonoid` is never constructed
[INFO] [stderr]   --> src/experimental/laws.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct SymMonoid {}
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FinMon` is never constructed
[INFO] [stderr]   --> src/experimental/laws.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct FinMon<const size: u64> {}
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Fibered` is never used
[INFO] [stderr]  --> src/examples/state_machine.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | trait Fibered
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `StateMachined` is never used
[INFO] [stderr]   --> src/examples/state_machine.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | trait StateMachined
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `my_fun` is never used
[INFO] [stderr]    --> src/core.rs:229:12
[INFO] [stderr]     |
[INFO] [stderr] 229 |     pub fn my_fun
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Either` is never used
[INFO] [stderr]   --> src/type_macros.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 | enum Either<A,B> {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `testf` is never used
[INFO] [stderr]    --> src/type_macros.rs:272:8
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn testf()
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait method `throwError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn throwError<A>(e : E) -> Self::of<A>;
[INFO] [stderr]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `throw_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait method `catchError` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn catchError<A>(action: Self::of<A>, handler: impl FnOnce(E) -> Self::of<A> + 'static) -> Self::of<A>;
[INFO] [stderr]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `catch_error`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `x` should have an upper case name
[INFO] [stderr]  --> src/experimental/categories4.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 |     const x: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stderr]   |           ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] help: convert the identifier to upper case (notice the capitalization difference)
[INFO] [stderr]   |
[INFO] [stderr] 9 -     const x: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stderr] 9 +     const X: &dyn Fn(u8) -> u8 = &comp(&|a| a + 1, &|b| b * 2);
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: const parameter `size` should have an upper case name
[INFO] [stderr]   --> src/experimental/laws.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct FinMon<const size: u64> {}
[INFO] [stderr]    |                     ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: const parameter `size` should have an upper case name
[INFO] [stderr]   --> src/experimental/laws.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | impl<const size: u64> Monoid<u64> for FinMon<size>
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]    |
[INFO] [stderr] 44 - impl<const size: u64> Monoid<u64> for FinMon<size>
[INFO] [stderr] 44 + impl<const SIZE: u64> Monoid<u64> for FinMon<size>
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: function `mapM` should have a snake case name
[INFO] [stderr]    --> src/core.rs:289:11
[INFO] [stderr]     |
[INFO] [stderr] 289 |         [ mapM for 'a (A B : 'a + Copy) (M : Monad<'a>) (As : Iterator<Item=A>). (f : A -> M[B]) (xs: As) : M[Vec B]
[INFO] [stderr]     |           ^^^^ help: convert the identifier to snake case: `map_m`
[INFO] [stderr] 
[INFO] [stderr] warning: `categories` (lib) generated 42 warnings (run `cargo fix --lib -p categories` to apply 8 suggestions)
[INFO] [stderr] warning: `categories` (lib test) generated 41 warnings (41 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/categories-ac1ae2a2adfb667b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test core::test::mytest ... ok
[INFO] [stdout] test experimental::laws::kani1 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- experimental::laws::kani1 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'experimental::laws::kani1' panicked at src/experimental/laws.rs:91:5:
[INFO] [stdout] assertion failed: FinMon::<11>::assoc(3, 7, 31)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56945e1abb42 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56945e1abb42 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56945e1abb42 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56945e1abb42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56945e1d0c03 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x56945e1d0c03 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x56945e1a8ad3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56945e1a8ad3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x56945e1ab992 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x56945e1ad0ac - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x56945e1acf02 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x56945e175024 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x56945e175024 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56945e1ada8b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x56945e1ada8b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x56945e1ad826 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x56945e1ac039 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x56945e1ad4ed - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x56945e1cf780 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x56945e1cf7ec - core::panicking::panic::hd2a569f4f37f7e10
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x56945e13b98a - categories::experimental::laws::kani1::haca23d7afc423ed0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/experimental/laws.rs:91:5
[INFO] [stdout]   21:     0x56945e13b98a - categories::experimental::laws::kani1::{{closure}}::hbc92851806d5ce29
[INFO] [stdout]                                at /opt/rustwide/workdir/src/experimental/laws.rs:89:11
[INFO] [stdout]   22:     0x56945e13b98a - core::ops::function::FnOnce::call_once::h19429f09b7e12bc8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56945e17a75b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56945e17a75b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x56945e17999e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x56945e17999e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56945e17999e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x56945e17999e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x56945e17999e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x56945e17999e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x56945e17999e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x56945e13d544 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x56945e13d544 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x56945e140eea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x56945e140eea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56945e140eea - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x56945e140eea - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x56945e140eea - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x56945e140eea - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x56945e140eea - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56945e1b09e7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x56945e1b09e7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x56945e1b09e7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   44:     0x709b6e4feaa4 - <unknown>
[INFO] [stdout]   45:     0x709b6e58ba34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     experimental::laws::kani1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "80e596c51de7a24976c0be1e4db684c0c2005159e22b829ce955a15aa74f9261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e596c51de7a24976c0be1e4db684c0c2005159e22b829ce955a15aa74f9261", kill_on_drop: false }`
[INFO] [stdout] 80e596c51de7a24976c0be1e4db684c0c2005159e22b829ce955a15aa74f9261
