[INFO] fetching crate dyadic-rationals 0.1.2... [INFO] testing dyadic-rationals-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate dyadic-rationals 0.1.2 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate dyadic-rationals 0.1.2 [INFO] finished tweaking crates.io crate dyadic-rationals 0.1.2 [INFO] tweaked toml for crates.io crate dyadic-rationals 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dyadic-rationals 0.1.2 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 crates.io crate dyadic-rationals 0.1.2 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7373a9a1eac92ffe1aef37af00361425f9d06674ac32816b114cfe82de209b37 [INFO] running `Command { std: "docker" "start" "-a" "7373a9a1eac92ffe1aef37af00361425f9d06674ac32816b114cfe82de209b37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7373a9a1eac92ffe1aef37af00361425f9d06674ac32816b114cfe82de209b37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7373a9a1eac92ffe1aef37af00361425f9d06674ac32816b114cfe82de209b37", kill_on_drop: false }` [INFO] [stdout] 7373a9a1eac92ffe1aef37af00361425f9d06674ac32816b114cfe82de209b37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 38ae5633afbd062e171a6531a7bffc4fd7bde25f567657dd1d20b5450c3de833 [INFO] running `Command { std: "docker" "start" "-a" "38ae5633afbd062e171a6531a7bffc4fd7bde25f567657dd1d20b5450c3de833", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling typed-arena v2.0.2 [INFO] [stderr] Compiling pretty v0.12.3 [INFO] [stderr] Compiling dyadic-rationals v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(btree_extract_if)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `btree_extract_if` has been stable since 1.91.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(btree_extract_if)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `impl Fn(&V) -> bool: RangeBounds` is not satisfied [INFO] [stdout] --> src/context.rs:435:27 [INFO] [stdout] | [INFO] [stdout] 435 | self.0.extract_if(f).collect() [INFO] [stdout] | ---------- ^ the trait `RangeBounds` is not implemented for `impl Fn(&V) -> bool` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `BTreeSet::::extract_if` [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/collections/btree/set.rs:1222:5 [INFO] [stdout] help: consider restricting opaque type `impl Fn(&V) -> bool` with trait `RangeBounds` [INFO] [stdout] | [INFO] [stdout] 431 | pub fn extract_if(&mut self, f: impl Fn(&V) -> bool + std::ops::RangeBounds) -> Set [INFO] [stdout] | ++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied [INFO] [stdout] --> src/context.rs:435:16 [INFO] [stdout] | [INFO] [stdout] 435 | self.0.extract_if(f).collect() [INFO] [stdout] | ^^^^^^^^^^--- argument #2 is missing [INFO] [stdout] | [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/collections/btree/set.rs:1222:12 [INFO] [stdout] help: provide the argument [INFO] [stdout] | [INFO] [stdout] 435 | self.0.extract_if(f, /* pred */).collect() [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `collect` exists for struct `std::collections::btree_set::ExtractIf<'_, V, impl Fn(&V) -> bool, _>`, but its trait bounds were not satisfied [INFO] [stdout] --> src/context.rs:435:30 [INFO] [stdout] | [INFO] [stdout] 435 | self.0.extract_if(f).collect() [INFO] [stdout] | ^^^^^^^ method cannot be called due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `impl Fn(&V) -> bool: RangeBounds` [INFO] [stdout] which is required by `std::collections::btree_set::ExtractIf<'_, V, impl Fn(&V) -> bool, _>: Iterator` [INFO] [stdout] `std::collections::btree_set::ExtractIf<'_, V, impl Fn(&V) -> bool, _>: Iterator` [INFO] [stdout] which is required by `&mut std::collections::btree_set::ExtractIf<'_, V, impl Fn(&V) -> bool, _>: Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] [INFO] [stderr] error: could not compile `dyadic-rationals` (lib) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "38ae5633afbd062e171a6531a7bffc4fd7bde25f567657dd1d20b5450c3de833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38ae5633afbd062e171a6531a7bffc4fd7bde25f567657dd1d20b5450c3de833", kill_on_drop: false }` [INFO] [stdout] 38ae5633afbd062e171a6531a7bffc4fd7bde25f567657dd1d20b5450c3de833