[INFO] cloning repository https://github.com/RustyYato/unique-types
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustyYato/unique-types" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyYato%2Funique-types", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyYato%2Funique-types'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f95d3f7dad124babe18e38c6650dc535bfdfd264
[INFO] checking RustyYato/unique-types against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustyYato%2Funique-types" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RustyYato/unique-types
[INFO] finished tweaking git repo https://github.com/RustyYato/unique-types
[INFO] tweaked toml for git repo https://github.com/RustyYato/unique-types written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RustyYato/unique-types on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RustyYato/unique-types 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ad36c7fcd521657fcf8668366447c85617cc31b5759f14d559a169d40af5d43
[INFO] running `Command { std: "docker" "start" "-a" "6ad36c7fcd521657fcf8668366447c85617cc31b5759f14d559a169d40af5d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad36c7fcd521657fcf8668366447c85617cc31b5759f14d559a169d40af5d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad36c7fcd521657fcf8668366447c85617cc31b5759f14d559a169d40af5d43", kill_on_drop: false }`
[INFO] [stdout] 6ad36c7fcd521657fcf8668366447c85617cc31b5759f14d559a169d40af5d43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 248a6f2e5f98f18951ae79c12e647d889edc0d34133979ad7948634ad63b57db
[INFO] running `Command { std: "docker" "start" "-a" "248a6f2e5f98f18951ae79c12e647d889edc0d34133979ad7948634ad63b57db", kill_on_drop: false }`
[INFO] [stderr]     Checking unique-types v0.1.0 (/opt/rustwide/workdir/unique-types)
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking clap_builder v4.5.38
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking ut-vec v0.1.0 (/opt/rustwide/workdir/ut-vec)
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking ut-cell v0.1.0 (/opt/rustwide/workdir/ut-cell)
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking ut-arena v0.1.0 (/opt/rustwide/workdir/ut-arena)
[INFO] [stdout] error: this type will no longer be must used: Result<NoGeneration, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:205:68
[INFO] [stdout]     |
[INFO] [stdout] 205 |       unsafe fn try_empty(self) -> Result<Self, Self::TryEmptyError> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 206 | |         Ok(Self(false))
[INFO] [stdout] 207 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NoGeneration, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         Ok(Self(false))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw8, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:326:76
[INFO] [stdout]     |
[INFO] [stdout] 326 |               unsafe fn try_empty(self) -> Result<Self, Self::TryEmptyError> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 327 | |                 debug_assert!(self.is_filled());
[INFO] [stdout] ...   |
[INFO] [stdout] 339 | |                 prim_impl!(fn $kind(self, Self))
[INFO] [stdout] 340 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 466 | / prim_wrapping!(
[INFO] [stdout] 467 | |     /// A 8-bit wrapping generation
[INFO] [stdout] 468 | |     gw8
[INFO] [stdout] 469 | |     /// The key version of [`gw8`]
[INFO] [stdout] 470 | |     FilledGw8
[INFO] [stdout] 471 | |     u8
[INFO] [stdout] 472 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw8, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |           Ok($Self($self.0.wrapping_add(1)))
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 466 | / prim_wrapping!(
[INFO] [stdout] 467 | |     /// A 8-bit wrapping generation
[INFO] [stdout] 468 | |     gw8
[INFO] [stdout] 469 | |     /// The key version of [`gw8`]
[INFO] [stdout] 470 | |     FilledGw8
[INFO] [stdout] 471 | |     u8
[INFO] [stdout] 472 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim_impl` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw16, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:326:76
[INFO] [stdout]     |
[INFO] [stdout] 326 |               unsafe fn try_empty(self) -> Result<Self, Self::TryEmptyError> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 327 | |                 debug_assert!(self.is_filled());
[INFO] [stdout] ...   |
[INFO] [stdout] 339 | |                 prim_impl!(fn $kind(self, Self))
[INFO] [stdout] 340 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 473 | / prim_wrapping!(
[INFO] [stdout] 474 | |     /// A 16-bit wrapping generation
[INFO] [stdout] 475 | |     gw16
[INFO] [stdout] 476 | |     /// The key version of [`gw16`]
[INFO] [stdout] 477 | |     FilledGw16
[INFO] [stdout] 478 | |     u16
[INFO] [stdout] 479 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw16, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |           Ok($Self($self.0.wrapping_add(1)))
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 473 | / prim_wrapping!(
[INFO] [stdout] 474 | |     /// A 16-bit wrapping generation
[INFO] [stdout] 475 | |     gw16
[INFO] [stdout] 476 | |     /// The key version of [`gw16`]
[INFO] [stdout] 477 | |     FilledGw16
[INFO] [stdout] 478 | |     u16
[INFO] [stdout] 479 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim_impl` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw32, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:326:76
[INFO] [stdout]     |
[INFO] [stdout] 326 |               unsafe fn try_empty(self) -> Result<Self, Self::TryEmptyError> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 327 | |                 debug_assert!(self.is_filled());
[INFO] [stdout] ...   |
[INFO] [stdout] 339 | |                 prim_impl!(fn $kind(self, Self))
[INFO] [stdout] 340 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 480 | / prim_wrapping!(
[INFO] [stdout] 481 | |     /// a 32-bit wrapping generation
[INFO] [stdout] 482 | |     gw32
[INFO] [stdout] 483 | |     /// The key version of [`gw32`]
[INFO] [stdout] 484 | |     FilledGw32
[INFO] [stdout] 485 | |     u32
[INFO] [stdout] 486 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw32, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |           Ok($Self($self.0.wrapping_add(1)))
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 480 | / prim_wrapping!(
[INFO] [stdout] 481 | |     /// a 32-bit wrapping generation
[INFO] [stdout] 482 | |     gw32
[INFO] [stdout] 483 | |     /// The key version of [`gw32`]
[INFO] [stdout] 484 | |     FilledGw32
[INFO] [stdout] 485 | |     u32
[INFO] [stdout] 486 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim_impl` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw64, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:326:76
[INFO] [stdout]     |
[INFO] [stdout] 326 |               unsafe fn try_empty(self) -> Result<Self, Self::TryEmptyError> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 327 | |                 debug_assert!(self.is_filled());
[INFO] [stdout] ...   |
[INFO] [stdout] 339 | |                 prim_impl!(fn $kind(self, Self))
[INFO] [stdout] 340 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 487 | / prim_wrapping!(
[INFO] [stdout] 488 | |     /// 64-bit wrapping generation
[INFO] [stdout] 489 | |     gw64
[INFO] [stdout] 490 | |     /// The key version of [`gw64`]
[INFO] [stdout] 491 | |     FilledGw64
[INFO] [stdout] 492 | |     u64
[INFO] [stdout] 493 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw64, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |           Ok($Self($self.0.wrapping_add(1)))
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 487 | / prim_wrapping!(
[INFO] [stdout] 488 | |     /// 64-bit wrapping generation
[INFO] [stdout] 489 | |     gw64
[INFO] [stdout] 490 | |     /// The key version of [`gw64`]
[INFO] [stdout] 491 | |     FilledGw64
[INFO] [stdout] 492 | |     u64
[INFO] [stdout] 493 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim_impl` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw128, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:326:76
[INFO] [stdout]     |
[INFO] [stdout] 326 |               unsafe fn try_empty(self) -> Result<Self, Self::TryEmptyError> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 327 | |                 debug_assert!(self.is_filled());
[INFO] [stdout] ...   |
[INFO] [stdout] 339 | |                 prim_impl!(fn $kind(self, Self))
[INFO] [stdout] 340 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 494 | / prim_wrapping!(
[INFO] [stdout] 495 | |     /// The 128-bit wrapping generation
[INFO] [stdout] 496 | |     gw128
[INFO] [stdout] 497 | |     /// The key version of [`gw128`]
[INFO] [stdout] 498 | |     FilledGw128
[INFO] [stdout] 499 | |     u128
[INFO] [stdout] 500 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gw128, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |           Ok($Self($self.0.wrapping_add(1)))
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 494 | / prim_wrapping!(
[INFO] [stdout] 495 | |     /// The 128-bit wrapping generation
[INFO] [stdout] 496 | |     gw128
[INFO] [stdout] 497 | |     /// The key version of [`gw128`]
[INFO] [stdout] 498 | |     FilledGw128
[INFO] [stdout] 499 | |     u128
[INFO] [stdout] 500 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim_impl` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gwsize, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:326:76
[INFO] [stdout]     |
[INFO] [stdout] 326 |               unsafe fn try_empty(self) -> Result<Self, Self::TryEmptyError> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 327 | |                 debug_assert!(self.is_filled());
[INFO] [stdout] ...   |
[INFO] [stdout] 339 | |                 prim_impl!(fn $kind(self, Self))
[INFO] [stdout] 340 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 502 | / prim_wrapping!(
[INFO] [stdout] 503 | |     /// A pointer sized wrapping generation
[INFO] [stdout] 504 | |     gwsize
[INFO] [stdout] 505 | |     /// The key version of [`gwsize`]
[INFO] [stdout] 506 | |     FilledGwsize
[INFO] [stdout] 507 | |     usize
[INFO] [stdout] 508 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<gwsize, Infallible>
[INFO] [stdout]    --> ut-arena/src/generation.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |           Ok($Self($self.0.wrapping_add(1)))
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 502 | / prim_wrapping!(
[INFO] [stdout] 503 | |     /// A pointer sized wrapping generation
[INFO] [stdout] 504 | |     gwsize
[INFO] [stdout] 505 | |     /// The key version of [`gwsize`]
[INFO] [stdout] 506 | |     FilledGwsize
[INFO] [stdout] 507 | |     usize
[INFO] [stdout] 508 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `prim_impl` which comes from the expansion of the macro `prim_wrapping` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> ut-arena/src/internal_index.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 match x.try_into() {
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 | prim!(usize);
[INFO] [stdout]    | ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> ut-arena/src/internal_index.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 debug_assert!(Self::try_from(x).is_ok());
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 | prim!(usize);
[INFO] [stdout]    | ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ut-arena` (lib) due to 16 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "248a6f2e5f98f18951ae79c12e647d889edc0d34133979ad7948634ad63b57db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248a6f2e5f98f18951ae79c12e647d889edc0d34133979ad7948634ad63b57db", kill_on_drop: false }`
[INFO] [stdout] 248a6f2e5f98f18951ae79c12e647d889edc0d34133979ad7948634ad63b57db
