[INFO] fetching crate kroos 0.0.3... [INFO] testing kroos-0.0.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate kroos 0.0.3 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate kroos 0.0.3 [INFO] finished tweaking crates.io crate kroos 0.0.3 [INFO] tweaked toml for crates.io crate kroos 0.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate kroos 0.0.3 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate kroos 0.0.3 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" "+562dee4820c458d823175268e41601d4c060588a" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d22e1f9b1ae777a2613f331049f4dfe356caf5c7f2cff7e2e02774f1dacccb0a [INFO] running `Command { std: "docker" "start" "-a" "d22e1f9b1ae777a2613f331049f4dfe356caf5c7f2cff7e2e02774f1dacccb0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d22e1f9b1ae777a2613f331049f4dfe356caf5c7f2cff7e2e02774f1dacccb0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d22e1f9b1ae777a2613f331049f4dfe356caf5c7f2cff7e2e02774f1dacccb0a", kill_on_drop: false }` [INFO] [stdout] d22e1f9b1ae777a2613f331049f4dfe356caf5c7f2cff7e2e02774f1dacccb0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 758cfd1b970b285c23db4e62b40e143efafd6e3ade15eee6ff683b9bc86158c1 [INFO] running `Command { std: "docker" "start" "-a" "758cfd1b970b285c23db4e62b40e143efafd6e3ade15eee6ff683b9bc86158c1", kill_on_drop: false }` [INFO] [stderr] Compiling kroos v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: feature `core_intrinsics` is declared but not used [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(core_intrinsics, ptr_metadata)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "758cfd1b970b285c23db4e62b40e143efafd6e3ade15eee6ff683b9bc86158c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "758cfd1b970b285c23db4e62b40e143efafd6e3ade15eee6ff683b9bc86158c1", kill_on_drop: false }` [INFO] [stdout] 758cfd1b970b285c23db4e62b40e143efafd6e3ade15eee6ff683b9bc86158c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bc3adb0e493a58bd61e5e03bfab8050e9c4364e023441f6199d851b124046cb [INFO] running `Command { std: "docker" "start" "-a" "4bc3adb0e493a58bd61e5e03bfab8050e9c4364e023441f6199d851b124046cb", kill_on_drop: false }` [INFO] [stderr] Compiling kroos v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: feature `core_intrinsics` is declared but not used [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(core_intrinsics, ptr_metadata)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: feature `core_intrinsics` is declared but not used [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(core_intrinsics, ptr_metadata)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "4bc3adb0e493a58bd61e5e03bfab8050e9c4364e023441f6199d851b124046cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bc3adb0e493a58bd61e5e03bfab8050e9c4364e023441f6199d851b124046cb", kill_on_drop: false }` [INFO] [stdout] 4bc3adb0e493a58bd61e5e03bfab8050e9c4364e023441f6199d851b124046cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a203a5dd43b7940f80f4683456b02a0c77bf7791b8388a929dbd3cc2cc0177b3 [INFO] running `Command { std: "docker" "start" "-a" "a203a5dd43b7940f80f4683456b02a0c77bf7791b8388a929dbd3cc2cc0177b3", kill_on_drop: false }` [INFO] [stderr] warning: feature `core_intrinsics` is declared but not used [INFO] [stderr] --> src/lib.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | #![feature(core_intrinsics, ptr_metadata)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `kroos` (lib) generated 1 warning [INFO] [stderr] warning: `kroos` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kroos-63ed38019b66756b) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test flake::tests::flake_as_bytes ... ok [INFO] [stdout] test flake::tests::flake_from_raw_manual ... ok [INFO] [stdout] test rime::tests::test_basic_clone_and_deref ... ok [INFO] [stdout] test rime::tests::test_as_ref_and_conversion ... ok [INFO] [stdout] test flake::tests::flake_from_str ... ok [INFO] [stdout] test rime::tests::test_drop_deallocates ... ok [INFO] [stdout] test flake::tests::flake_from_slice ... ok [INFO] [stdout] test flake::tests::flake_steal_string ... ok [INFO] [stdout] test rime::tests::test_equality_and_ordering ... ok [INFO] [stdout] test flake::tests::flake_mutate_bytes ... ok [INFO] [stdout] test rime::tests::test_atomic_clone_thread_safe ... ok [INFO] [stdout] test flake::tests::flake_eq_cmp_ord ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Doc-tests kroos [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/flake.rs - flake::Flake::new (line 101) ... ok [INFO] [stdout] test src/rime.rs - rime::Rime::from_raw_parts (line 196) ... FAILED [INFO] [stdout] test src/rime.rs - rime::Rime (line 95) ... ok [INFO] [stdout] test src/rime.rs - rime::Rime::new (line 219) ... ok [INFO] [stdout] test src/flake.rs - flake::Flake::steal (line 43) ... ok [INFO] [stdout] test src/rime.rs - rime::Rime::steal (line 135) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/rime.rs - rime::Rime::from_raw_parts (line 196) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `ptr_to_counter` in this scope [INFO] [stdout] --> src/rime.rs:203:42 [INFO] [stdout] | [INFO] [stdout] 203 | let r = Rime::::from_raw_parts(ptr_to_counter, ptr_to_data, meta); [INFO] [stdout] | ^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `ptr_to_data` in this scope [INFO] [stdout] --> src/rime.rs:203:58 [INFO] [stdout] | [INFO] [stdout] 203 | let r = Rime::::from_raw_parts(ptr_to_counter, ptr_to_data, meta); [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `ptr_metadata` [INFO] [stdout] --> src/rime.rs:202:12 [INFO] [stdout] | [INFO] [stdout] 202 | let meta = metadata(slice); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #81513 for more information [INFO] [stdout] = help: add `#![feature(ptr_metadata)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `ptr_metadata` [INFO] [stdout] --> src/rime.rs:198:16 [INFO] [stdout] | [INFO] [stdout] 198 | use std::ptr::{metadata, from_raw_parts}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #81513 for more information [INFO] [stdout] = help: add `#![feature(ptr_metadata)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `ptr_metadata` [INFO] [stdout] --> src/rime.rs:198:26 [INFO] [stdout] | [INFO] [stdout] 198 | use std::ptr::{metadata, from_raw_parts}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #81513 for more information [INFO] [stdout] = help: add `#![feature(ptr_metadata)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0658. [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/rime.rs - rime::Rime::from_raw_parts (line 196) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s [INFO] [stdout] [INFO] [stdout] all doctests ran in 0.72s; merged doctests compilation took 0.12s [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "a203a5dd43b7940f80f4683456b02a0c77bf7791b8388a929dbd3cc2cc0177b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a203a5dd43b7940f80f4683456b02a0c77bf7791b8388a929dbd3cc2cc0177b3", kill_on_drop: false }` [INFO] [stdout] a203a5dd43b7940f80f4683456b02a0c77bf7791b8388a929dbd3cc2cc0177b3