[INFO] cloning repository https://github.com/jolutz/random-karma [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jolutz/random-karma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjolutz%2Frandom-karma", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjolutz%2Frandom-karma'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b6bf1eba204d101f24545a7de4964ccb709a9e4 [INFO] testing jolutz/random-karma against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjolutz%2Frandom-karma" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/jolutz/random-karma [INFO] finished tweaking git repo https://github.com/jolutz/random-karma [INFO] tweaked toml for git repo https://github.com/jolutz/random-karma written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jolutz/random-karma 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] crate git repo https://github.com/jolutz/random-karma 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d2efd12fcef1bb2e66299954aafea2ad42689f0f848b133aa1c639644f245dd0 [INFO] running `Command { std: "docker" "start" "-a" "d2efd12fcef1bb2e66299954aafea2ad42689f0f848b133aa1c639644f245dd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2efd12fcef1bb2e66299954aafea2ad42689f0f848b133aa1c639644f245dd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2efd12fcef1bb2e66299954aafea2ad42689f0f848b133aa1c639644f245dd0", kill_on_drop: false }` [INFO] [stdout] d2efd12fcef1bb2e66299954aafea2ad42689f0f848b133aa1c639644f245dd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8bdf5c31d4b24ccb43a63faea116151b52a334b71cdcc12912f574e6f01d5a5b [INFO] running `Command { std: "docker" "start" "-a" "8bdf5c31d4b24ccb43a63faea116151b52a334b71cdcc12912f574e6f01d5a5b", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.100 [INFO] [stderr] Compiling rustversion v1.0.21 [INFO] [stderr] Compiling bumpalo v3.17.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.100 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling hashbrown v0.15.3 [INFO] [stderr] Compiling toml_datetime v0.6.9 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling prettyplease v0.2.32 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling tokio v1.45.1 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Compiling csv-core v0.1.12 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling indexmap v2.9.0 [INFO] [stderr] Compiling rand v0.9.1 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling rand_distr v0.5.1 [INFO] [stderr] Compiling tokio-stream v0.1.17 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.100 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling gloo-worker-macros v0.1.0 [INFO] [stderr] Compiling implicit-clone-derive v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling yew-agent-macro v0.2.0 [INFO] [stderr] Compiling yew-macro v0.21.0 [INFO] [stderr] Compiling implicit-clone v0.4.9 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.100 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling pin-project v1.1.10 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.100 [INFO] [stderr] Compiling js-sys v0.3.77 [INFO] [stderr] Compiling console_error_panic_hook v0.1.7 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling pinned v0.1.0 [INFO] [stderr] Compiling prokio v0.1.0 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling csv v1.3.1 [INFO] [stderr] Compiling web-sys v0.3.77 [INFO] [stderr] Compiling wasm-bindgen-futures v0.4.50 [INFO] [stderr] Compiling serde-wasm-bindgen v0.6.5 [INFO] [stderr] Compiling gloo-timers v0.3.0 [INFO] [stderr] Compiling gloo-utils v0.2.0 [INFO] [stderr] Compiling gloo-events v0.2.0 [INFO] [stderr] Compiling gloo-render v0.2.0 [INFO] [stderr] Compiling gloo-dialogs v0.2.0 [INFO] [stderr] Compiling gloo-file v0.3.0 [INFO] [stderr] Compiling gloo-history v0.2.2 [INFO] [stderr] Compiling gloo-worker v0.4.0 [INFO] [stderr] Compiling gloo-net v0.4.0 [INFO] [stderr] Compiling gloo-storage v0.3.0 [INFO] [stderr] Compiling gloo-console v0.3.0 [INFO] [stderr] Compiling gloo v0.10.0 [INFO] [stderr] Compiling yew v0.21.0 [INFO] [stderr] Compiling yew-agent v0.3.0 [INFO] [stderr] Compiling random_karma v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0015]: cannot call non-const function `available_parallelism` in constants [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | std::thread::available_parallelism() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: calls in constants are limited to constant functions, tuple structs and tuple variants [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: cannot call conditionally-const method `Result::, std::io::Error>::map::` in constants [INFO] [stdout] --> src/main.rs:52:14 [INFO] [stdout] | [INFO] [stdout] 52 | .map(|n| n.get()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: calls in constants are limited to constant functions, tuple structs and tuple variants [INFO] [stdout] = note: see issue #143874 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `Result::::map` is not yet stable as a const fn [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | / std::thread::available_parallelism() [INFO] [stdout] 52 | | .map(|n| n.get()) [INFO] [stdout] | |_____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: cannot call conditionally-const method `Result::::unwrap_or` in constants [INFO] [stdout] --> src/main.rs:53:14 [INFO] [stdout] | [INFO] [stdout] 53 | .unwrap_or(4) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: calls in constants are limited to constant functions, tuple structs and tuple variants [INFO] [stdout] = note: see issue #143874 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `Result::::unwrap_or` is not yet stable as a const fn [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | / std::thread::available_parallelism() [INFO] [stdout] 52 | | .map(|n| n.get()) [INFO] [stdout] 53 | | .unwrap_or(4) [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0015, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0015`. [INFO] [stdout] [INFO] [stderr] error: could not compile `random_karma` (bin "random_karma") due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "8bdf5c31d4b24ccb43a63faea116151b52a334b71cdcc12912f574e6f01d5a5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bdf5c31d4b24ccb43a63faea116151b52a334b71cdcc12912f574e6f01d5a5b", kill_on_drop: false }` [INFO] [stdout] 8bdf5c31d4b24ccb43a63faea116151b52a334b71cdcc12912f574e6f01d5a5b