[INFO] fetching crate frclib-datalog 0.1.3... [INFO] testing frclib-datalog-0.1.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate frclib-datalog 0.1.3 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate frclib-datalog 0.1.3 [INFO] finished tweaking crates.io crate frclib-datalog 0.1.3 [INFO] tweaked toml for crates.io crate frclib-datalog 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate frclib-datalog 0.1.3 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 32 packages to latest compatible versions [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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92fb90cd522a07b078ddbac65265693dcd67a763a6139469231977341e9426c7 [INFO] running `Command { std: "docker" "start" "-a" "92fb90cd522a07b078ddbac65265693dcd67a763a6139469231977341e9426c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92fb90cd522a07b078ddbac65265693dcd67a763a6139469231977341e9426c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92fb90cd522a07b078ddbac65265693dcd67a763a6139469231977341e9426c7", kill_on_drop: false }` [INFO] [stdout] 92fb90cd522a07b078ddbac65265693dcd67a763a6139469231977341e9426c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1392d3d76b3afabb0e3994daa6fa32aebb1d05d13dd9fc16088efe0d928ed091 [INFO] running `Command { std: "docker" "start" "-a" "1392d3d76b3afabb0e3994daa6fa32aebb1d05d13dd9fc16088efe0d928ed091", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Compiling inventory v0.3.21 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling nohash v0.2.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling rmp v0.8.14 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling rmpv v1.3.0 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling frclib-structure-macros v0.1.3 [INFO] [stderr] Compiling ctor v0.2.9 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling frclib-core v0.2.4 [INFO] [stderr] Compiling frclib-datalog v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: lint `cenum_impl_drop_cast` has been removed: converted into hard error, see for more information [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | cenum_impl_drop_cast, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | warnings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `missing_fragment_specifier` has been removed: converted into hard error, see for more information [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | missing_fragment_specifier, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.78s [INFO] running `Command { std: "docker" "inspect" "1392d3d76b3afabb0e3994daa6fa32aebb1d05d13dd9fc16088efe0d928ed091", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1392d3d76b3afabb0e3994daa6fa32aebb1d05d13dd9fc16088efe0d928ed091", kill_on_drop: false }` [INFO] [stdout] 1392d3d76b3afabb0e3994daa6fa32aebb1d05d13dd9fc16088efe0d928ed091 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c6c0b8bb1e757970d545ab531a3d5200f9f4f56d35b42098d98ea00f4df122e [INFO] running `Command { std: "docker" "start" "-a" "5c6c0b8bb1e757970d545ab531a3d5200f9f4f56d35b42098d98ea00f4df122e", kill_on_drop: false }` [INFO] [stderr] Compiling frclib-datalog v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: lint `cenum_impl_drop_cast` has been removed: converted into hard error, see for more information [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | cenum_impl_drop_cast, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | warnings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `missing_fragment_specifier` has been removed: converted into hard error, see for more information [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | missing_fragment_specifier, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(test, feature(test))] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `cenum_impl_drop_cast` has been removed: converted into hard error, see for more information [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | cenum_impl_drop_cast, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | warnings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `missing_fragment_specifier` has been removed: converted into hard error, see for more information [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | missing_fragment_specifier, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `frclib-datalog` (lib test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5c6c0b8bb1e757970d545ab531a3d5200f9f4f56d35b42098d98ea00f4df122e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c6c0b8bb1e757970d545ab531a3d5200f9f4f56d35b42098d98ea00f4df122e", kill_on_drop: false }` [INFO] [stdout] 5c6c0b8bb1e757970d545ab531a3d5200f9f4f56d35b42098d98ea00f4df122e