[INFO] fetching crate repr 0.7.0... [INFO] testing repr-0.7.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate repr 0.7.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate repr 0.7.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate repr 0.7.0 [INFO] tweaked toml for crates.io crate repr 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate repr 0.7.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unconst v0.11.0 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0e4ed7634e95db3b3266466ae081d99a6f35cfe067fe5b513491fcad10c340e [INFO] running `Command { std: "docker" "start" "-a" "f0e4ed7634e95db3b3266466ae081d99a6f35cfe067fe5b513491fcad10c340e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0e4ed7634e95db3b3266466ae081d99a6f35cfe067fe5b513491fcad10c340e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0e4ed7634e95db3b3266466ae081d99a6f35cfe067fe5b513491fcad10c340e", kill_on_drop: false }` [INFO] [stdout] f0e4ed7634e95db3b3266466ae081d99a6f35cfe067fe5b513491fcad10c340e [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4fe87628adb5bcf7931f806e196526d6fdff094c5cef4d9f310fd7728b321de4 [INFO] running `Command { std: "docker" "start" "-a" "4fe87628adb5bcf7931f806e196526d6fdff094c5cef4d9f310fd7728b321de4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling unconst v0.11.0 [INFO] [stderr] Compiling repr v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BitXor` [INFO] [stdout] --> src/repr/operators.rs:5:31 [INFO] [stdout] | [INFO] [stdout] 5 | ops::{Add, BitAnd, BitOr, BitXor, Mul, Range, RangeFrom, RangeFull}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct` [INFO] [stdout] --> src/traits.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | marker::Destruct, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #133214 for more information [INFO] [stdout] = help: add `#![feature(const_destruct)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct` [INFO] [stdout] --> src/traits.rs:22:14 [INFO] [stdout] | [INFO] [stdout] 22 | + ~const Destruct [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #133214 for more information [INFO] [stdout] = help: add `#![feature(const_destruct)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_refs_to_cell` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(const_refs_to_cell)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(const_option)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `const_box` [INFO] [stdout] --> src/lib.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | #![feature(const_box)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `unwrap` found for tuple `(usize, Option)` in the current scope [INFO] [stdout] --> src/interval.rs:131:54 [INFO] [stdout] | [INFO] [stdout] 131 | ::steps_between(&self.0, &self.1).unwrap() [INFO] [stdout] | ^^^^^^ method not found in `(usize, Option)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `repr` (lib) due to 4 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4fe87628adb5bcf7931f806e196526d6fdff094c5cef4d9f310fd7728b321de4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fe87628adb5bcf7931f806e196526d6fdff094c5cef4d9f310fd7728b321de4", kill_on_drop: false }` [INFO] [stdout] 4fe87628adb5bcf7931f806e196526d6fdff094c5cef4d9f310fd7728b321de4