[INFO] fetching crate prim_int_kind 0.1.3...
[INFO] testing prim_int_kind-0.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate prim_int_kind 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate prim_int_kind 0.1.3
[INFO] finished tweaking crates.io crate prim_int_kind 0.1.3
[INFO] tweaked toml for crates.io crate prim_int_kind 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prim_int_kind 0.1.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding konst v0.2.20 (available: v0.4.3)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b46c4af707a0769496f523449ffb430ba76717eb3447ab707a269da14953296
[INFO] running `Command { std: "docker" "start" "-a" "9b46c4af707a0769496f523449ffb430ba76717eb3447ab707a269da14953296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b46c4af707a0769496f523449ffb430ba76717eb3447ab707a269da14953296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b46c4af707a0769496f523449ffb430ba76717eb3447ab707a269da14953296", kill_on_drop: false }`
[INFO] [stdout] 9b46c4af707a0769496f523449ffb430ba76717eb3447ab707a269da14953296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf851eaaedc2ce8f67cf4824af279a0062ab499fab987dc1f13b3cc03c910592
[INFO] running `Command { std: "docker" "start" "-a" "cf851eaaedc2ce8f67cf4824af279a0062ab499fab987dc1f13b3cc03c910592", kill_on_drop: false }`
[INFO] [stderr]    Compiling konst_proc_macros v0.2.11
[INFO] [stderr]    Compiling konst_macro_rules v0.2.19
[INFO] [stderr]    Compiling just_prim_int v0.1.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling konst v0.2.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling prim_int_kind v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "cf851eaaedc2ce8f67cf4824af279a0062ab499fab987dc1f13b3cc03c910592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf851eaaedc2ce8f67cf4824af279a0062ab499fab987dc1f13b3cc03c910592", kill_on_drop: false }`
[INFO] [stdout] cf851eaaedc2ce8f67cf4824af279a0062ab499fab987dc1f13b3cc03c910592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e477b1a9904e5385628cddd9d5eed97a2277d6cd9ccc93c60b914f3588671cbd
[INFO] running `Command { std: "docker" "start" "-a" "e477b1a9904e5385628cddd9d5eed97a2277d6cd9ccc93c60b914f3588671cbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling prim_int_kind v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     feature(const_trait_impl)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert`
[INFO] [stdout]    --> src/from_str.rs:64:20
[INFO] [stdout]     |
[INFO] [stdout]  64 |           impl const $trait_name for $t {
[INFO] [stdout]     |                      ^^^^^^^^^^^ trait is not stable as const yet
[INFO] [stdout] ...
[INFO] [stdout] 107 | / impl_trait!(
[INFO] [stdout] 108 | |     ::konst,
[INFO] [stdout] 109 | |     FromStr,
[INFO] [stdout] 110 | |     PrimIntKind,
[INFO] [stdout] 111 | |     impl_from_str_for_prim_int_kind
[INFO] [stdout] 112 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]     = note: this error originates in the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prim_int_kind` (lib test) due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e477b1a9904e5385628cddd9d5eed97a2277d6cd9ccc93c60b914f3588671cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e477b1a9904e5385628cddd9d5eed97a2277d6cd9ccc93c60b914f3588671cbd", kill_on_drop: false }`
[INFO] [stdout] e477b1a9904e5385628cddd9d5eed97a2277d6cd9ccc93c60b914f3588671cbd
