[INFO] fetching crate dep-obj 0.38.4... [INFO] testing dep-obj-0.38.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate dep-obj 0.38.4 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate dep-obj 0.38.4 [INFO] finished tweaking crates.io crate dep-obj 0.38.4 [INFO] tweaked toml for crates.io crate dep-obj 0.38.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate dep-obj 0.38.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate dep-obj 0.38.4 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded educe v0.4.19 [INFO] [stderr] Downloaded single v1.0.0 [INFO] [stderr] Downloaded components-arena-traits v1.0.1 [INFO] [stderr] Downloaded composable-allocators v0.1.0 [INFO] [stderr] Downloaded try_match v0.3.0 [INFO] [stderr] Downloaded dyn-clone v1.0.5 [INFO] [stderr] Downloaded components-arena v3.2.2 [INFO] [stderr] Downloaded addr2line v0.17.0 [INFO] [stderr] Downloaded dyn-context v0.17.4 [INFO] [stderr] Downloaded try_match_inner v0.4.0 [INFO] [stderr] Downloaded syn v1.0.96 [INFO] [stderr] Downloaded object v0.28.4 [INFO] [stderr] Downloaded backtrace v0.3.65 [INFO] [stderr] Downloaded generics v0.4.4 [INFO] [stderr] Downloaded semver v1.0.9 [INFO] [stderr] Downloaded phantom-type v0.4.2 [INFO] [stderr] Downloaded indoc v1.0.6 [INFO] [stderr] Downloaded macro-attr-2018 v2.1.2 [INFO] [stderr] Downloaded panicking v0.1.1 [INFO] [stderr] Downloaded paste v1.0.7 [INFO] [stderr] Downloaded enum-ordinalize v3.1.11 [INFO] [stderr] Downloaded gimli v0.26.1 [INFO] [stderr] Downloaded dyn-context-macro v0.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 027166d6af2661b0965e9d8541b17679c5cb8036ed24ba0db2415337c6254ef7 [INFO] running `Command { std: "docker" "start" "-a" "027166d6af2661b0965e9d8541b17679c5cb8036ed24ba0db2415337c6254ef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "027166d6af2661b0965e9d8541b17679c5cb8036ed24ba0db2415337c6254ef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "027166d6af2661b0965e9d8541b17679c5cb8036ed24ba0db2415337c6254ef7", kill_on_drop: false }` [INFO] [stdout] 027166d6af2661b0965e9d8541b17679c5cb8036ed24ba0db2415337c6254ef7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 476474721f9f7c4ea6bd823427810fe7d84190c19116f0cc71d1393da99a1f4a [INFO] running `Command { std: "docker" "start" "-a" "476474721f9f7c4ea6bd823427810fe7d84190c19116f0cc71d1393da99a1f4a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling miniz_oxide v0.5.3 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling object v0.28.4 [INFO] [stderr] Compiling backtrace v0.3.65 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Compiling panicking v0.1.1 [INFO] [stderr] Compiling generics v0.4.4 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling indoc v1.0.6 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling composable-allocators v0.1.0 [INFO] [stdout] error[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/limited_up_to.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | > const Default for CtParams { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/global.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl const Default for Global { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/non_working.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl const Default for NonWorking { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/stacked.rs:26:34 [INFO] [stdout] | [INFO] [stdout] 26 | impl const Default for CtParams { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/freelist.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl const Default for NoLimit { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/freelist.rs:43:32 [INFO] [stdout] | [INFO] [stdout] 43 | impl const Default for FixedCtLimit { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/freelist.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | > const Default for CtParams { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_default` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/freelist.rs:135:32 [INFO] [stdout] | [INFO] [stdout] 135 | Limit: LimitParam + ~const Default, [INFO] [stdout] | ------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143894 for more information [INFO] [stdout] = help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: const `impl` for trait `Params` which is not `const` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/limited_up_to.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | > const Params for CtParams { [INFO] [stdout] | ^^^^^^ this trait is not `const` [INFO] [stdout] | [INFO] [stdout] = note: marking a trait with `const` ensures all default method bodies are `const` [INFO] [stdout] = note: adding a non-const method body in the future would be a breaking change [INFO] [stdout] help: mark `Params` as `const` to allow it to have `const` implementations [INFO] [stdout] | [INFO] [stdout] 10 | #[const_trait] pub unsafe trait Params { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: const `impl` for trait `Params` which is not `const` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/stacked.rs:30:41 [INFO] [stdout] | [INFO] [stdout] 30 | unsafe impl const Params for CtParams { [INFO] [stdout] | ^^^^^^ this trait is not `const` [INFO] [stdout] | [INFO] [stdout] = note: marking a trait with `const` ensures all default method bodies are `const` [INFO] [stdout] = note: adding a non-const method body in the future would be a breaking change [INFO] [stdout] help: mark `Params` as `const` to allow it to have `const` implementations [INFO] [stdout] | [INFO] [stdout] 13 | #[const_trait] pub unsafe trait Params { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: const `impl` for trait `Params` which is not `const` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/freelist.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | > const Params for CtParams { [INFO] [stdout] | ^^^^^^ this trait is not `const` [INFO] [stdout] | [INFO] [stdout] = note: marking a trait with `const` ensures all default method bodies are `const` [INFO] [stdout] = note: adding a non-const method body in the future would be a breaking change [INFO] [stdout] help: mark `Params` as `const` to allow it to have `const` implementations [INFO] [stdout] | [INFO] [stdout] 88 | #[const_trait] pub unsafe trait Params { [INFO] [stdout] | ++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `Default` is not yet stable as a const trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/freelist.rs:137:38 [INFO] [stdout] | [INFO] [stdout] 137 | fn default() -> Self { Self::new(Limit::default()) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: add `#![feature(const_default)]` to the crate attributes to enable [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/composable-allocators-0.1.0/src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 + #![feature(const_default)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `composable-allocators` (lib) due to 12 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "476474721f9f7c4ea6bd823427810fe7d84190c19116f0cc71d1393da99a1f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "476474721f9f7c4ea6bd823427810fe7d84190c19116f0cc71d1393da99a1f4a", kill_on_drop: false }` [INFO] [stdout] 476474721f9f7c4ea6bd823427810fe7d84190c19116f0cc71d1393da99a1f4a