[INFO] fetching crate prim_int_kind 0.1.3...
[INFO] building prim_int_kind-0.1.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate prim_int_kind 0.1.3 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prim_int_kind 0.1.3 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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 v0.2.19 (available: v0.4.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7be33c158f6b498f6ffa0740b0c254634cb5f03fae7a74585b6c47bbb1e66504
[INFO] running `Command { std: "docker" "start" "-a" "7be33c158f6b498f6ffa0740b0c254634cb5f03fae7a74585b6c47bbb1e66504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be33c158f6b498f6ffa0740b0c254634cb5f03fae7a74585b6c47bbb1e66504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be33c158f6b498f6ffa0740b0c254634cb5f03fae7a74585b6c47bbb1e66504", kill_on_drop: false }`
[INFO] [stdout] 7be33c158f6b498f6ffa0740b0c254634cb5f03fae7a74585b6c47bbb1e66504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b255290ae01f79c8d4d992db101722f215ca7e80c9420adbafb68d2a17d3660
[INFO] running `Command { std: "docker" "start" "-a" "7b255290ae01f79c8d4d992db101722f215ca7e80c9420adbafb68d2a17d3660", kill_on_drop: false }`
[INFO] [stderr]    Compiling konst_macro_rules v0.2.19
[INFO] [stderr]    Compiling konst_proc_macros v0.2.11
[INFO] [stderr]    Compiling just_prim_int v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling konst v0.2.19
[INFO] [stderr]    Compiling thiserror-impl 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 4.20s
[INFO] running `Command { std: "docker" "inspect" "7b255290ae01f79c8d4d992db101722f215ca7e80c9420adbafb68d2a17d3660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b255290ae01f79c8d4d992db101722f215ca7e80c9420adbafb68d2a17d3660", kill_on_drop: false }`
[INFO] [stdout] 7b255290ae01f79c8d4d992db101722f215ca7e80c9420adbafb68d2a17d3660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de9367a370ca6c3bb1d7fc13c650b58647fa2b9566b4b5c8d576bfe4691a0a2e
[INFO] running `Command { std: "docker" "start" "-a" "de9367a370ca6c3bb1d7fc13c650b58647fa2b9566b4b5c8d576bfe4691a0a2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling prim_int_kind v0.1.3 (/opt/rustwide/workdir)
[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]     = help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-09-28; consider upgrading it if it is out of date
[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] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prim_int_kind` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "de9367a370ca6c3bb1d7fc13c650b58647fa2b9566b4b5c8d576bfe4691a0a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9367a370ca6c3bb1d7fc13c650b58647fa2b9566b4b5c8d576bfe4691a0a2e", kill_on_drop: false }`
[INFO] [stdout] de9367a370ca6c3bb1d7fc13c650b58647fa2b9566b4b5c8d576bfe4691a0a2e