[INFO] fetching crate rpn-c 0.2.3... [INFO] testing rpn-c-0.2.3 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate rpn-c 0.2.3 into /workspace/builds/worker-6-tc2/source [INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate rpn-c 0.2.3 [INFO] finished tweaking crates.io crate rpn-c 0.2.3 [INFO] tweaked toml for crates.io crate rpn-c 0.2.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rpn-c 0.2.3 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rpn-c 0.2.3 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81c8c85808f800701abb23c699431452f12a1557568d3d5b8f386dcb1ad83610 [INFO] running `Command { std: "docker" "start" "-a" "81c8c85808f800701abb23c699431452f12a1557568d3d5b8f386dcb1ad83610", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81c8c85808f800701abb23c699431452f12a1557568d3d5b8f386dcb1ad83610", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81c8c85808f800701abb23c699431452f12a1557568d3d5b8f386dcb1ad83610", kill_on_drop: false }` [INFO] [stdout] 81c8c85808f800701abb23c699431452f12a1557568d3d5b8f386dcb1ad83610 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9872a7e8227ee6c10a7bff863335b84c8d138ff22b8425aa2878a3bd528a471e [INFO] running `Command { std: "docker" "start" "-a" "9872a7e8227ee6c10a7bff863335b84c8d138ff22b8425aa2878a3bd528a471e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.78 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.25.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling num-bigint v0.4.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling beef v0.5.1 [INFO] [stderr] Compiling endian-type v0.1.2 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling ieee754 v0.2.6 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling nibble_vec v0.1.0 [INFO] [stderr] Compiling hamming v0.1.3 [INFO] [stderr] Compiling radix_trie v0.2.1 [INFO] [stderr] Compiling object v0.26.2 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling nix v0.22.2 [INFO] [stderr] Compiling fd-lock v3.0.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-sys v0.3.6 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling directories v3.0.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling addr2line v0.16.0 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling rustyline v9.0.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling logos-derive v0.12.0 [INFO] [stderr] Compiling rustyline-derive v0.4.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling rustc-cfg v0.4.0 [INFO] [stderr] Compiling ramp v0.7.0 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ramp-0.7.0/src/lib.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | #![feature(core_intrinsics, allocator_api)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ramp-0.7.0/src/lib.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | #![feature(step_trait, ptr_internals, try_reserve_kind, raw_vec_internals)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ramp-0.7.0/src/int.rs:3702:49 [INFO] [stdout] | [INFO] [stdout] 3702 | fn steps_between(start: &Int, end: &Int) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ expected `(usize, Option)`, found `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&Int, &Int) -> (usize, Option)` [INFO] [stdout] found signature `fn(&Int, &Int) -> Option` [INFO] [stdout] help: change the output type to match the trait [INFO] [stdout] | [INFO] [stdout] 3702 - fn steps_between(start: &Int, end: &Int) -> Option { [INFO] [stdout] 3702 + fn steps_between(start: &Int, end: &Int) -> (usize, Option) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling logos v0.12.0 [INFO] [stdout] Some errors have detailed explanations: E0053, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ramp` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "9872a7e8227ee6c10a7bff863335b84c8d138ff22b8425aa2878a3bd528a471e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9872a7e8227ee6c10a7bff863335b84c8d138ff22b8425aa2878a3bd528a471e", kill_on_drop: false }` [INFO] [stdout] 9872a7e8227ee6c10a7bff863335b84c8d138ff22b8425aa2878a3bd528a471e