[INFO] fetching crate super-prime 0.1.0... [INFO] testing super-prime-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate super-prime 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate super-prime 0.1.0 [INFO] finished tweaking crates.io crate super-prime 0.1.0 [INFO] tweaked toml for crates.io crate super-prime 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate super-prime 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-rational v0.4.2 [INFO] [stderr] Downloaded num-primes v0.3.0 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded num-complex v0.4.6 [INFO] [stderr] Downloaded num v0.4.3 [INFO] [stderr] Downloaded rand_core v0.3.1 [INFO] [stderr] Downloaded rand_core v0.4.2 [INFO] [stderr] Downloaded num-bigint v0.2.6 [INFO] [stderr] Downloaded rand v0.5.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 477a66a433bb8f8b0a3de1bd6ac1bddb8664797d26e80964f634aee306fdd163 [INFO] running `Command { std: "docker" "start" "-a" "477a66a433bb8f8b0a3de1bd6ac1bddb8664797d26e80964f634aee306fdd163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "477a66a433bb8f8b0a3de1bd6ac1bddb8664797d26e80964f634aee306fdd163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "477a66a433bb8f8b0a3de1bd6ac1bddb8664797d26e80964f634aee306fdd163", kill_on_drop: false }` [INFO] [stdout] 477a66a433bb8f8b0a3de1bd6ac1bddb8664797d26e80964f634aee306fdd163 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8086bc16f15e106bea20337e14539b3e5b50dc63345c506a93358ff77043bb40 [INFO] running `Command { std: "docker" "start" "-a" "8086bc16f15e106bea20337e14539b3e5b50dc63345c506a93358ff77043bb40", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling num-primes v0.3.0 [INFO] [stderr] Compiling super-prime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(generators, iter_from_generator)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.75.0; see for more information [INFO] [stdout] = note: renamed to `coroutines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::iter::from_generator` [INFO] [stdout] --> src/dfs/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | iter::from_generator, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ no `from_generator` in `iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/dfs/mod.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | yield new; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-24; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> src/dfs/mod.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | yield new; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-24; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks [INFO] [stdout] --> src/dfs/mod.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | yield new; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine [INFO] [stdout] | [INFO] [stdout] 32 | from_generator(#[coroutine] move || { [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `iter_from_generator` [INFO] [stdout] --> src/lib.rs:6:24 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(generators, iter_from_generator)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658. [INFO] [stdout] [INFO] [stderr] error: could not compile `super-prime` (lib) due to 6 previous errors [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8086bc16f15e106bea20337e14539b3e5b50dc63345c506a93358ff77043bb40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8086bc16f15e106bea20337e14539b3e5b50dc63345c506a93358ff77043bb40", kill_on_drop: false }` [INFO] [stdout] 8086bc16f15e106bea20337e14539b3e5b50dc63345c506a93358ff77043bb40