[INFO] fetching crate causal-length 0.2.0... [INFO] testing causal-length-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate causal-length 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate causal-length 0.2.0 [INFO] finished tweaking crates.io crate causal-length 0.2.0 [INFO] tweaked toml for crates.io crate causal-length 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate causal-length 0.2.0 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 39 packages to latest compatible versions [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8911189fd04bcb2f27b9252c961cfabd2f2f6e6f4396daede402eb579729b5e7 [INFO] running `Command { std: "docker" "start" "-a" "8911189fd04bcb2f27b9252c961cfabd2f2f6e6f4396daede402eb579729b5e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8911189fd04bcb2f27b9252c961cfabd2f2f6e6f4396daede402eb579729b5e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8911189fd04bcb2f27b9252c961cfabd2f2f6e6f4396daede402eb579729b5e7", kill_on_drop: false }` [INFO] [stdout] 8911189fd04bcb2f27b9252c961cfabd2f2f6e6f4396daede402eb579729b5e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9f9ab52488e9898d3f5d05797510f30ff30c5bed7bfabd3ca7568c231551b0c5 [INFO] running `Command { std: "docker" "start" "-a" "9f9ab52488e9898d3f5d05797510f30ff30c5bed7bfabd3ca7568c231551b0c5", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling causal-length v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `serialization::*` [INFO] [stdout] --> src/map.rs:304:9 [INFO] [stdout] | [INFO] [stdout] 304 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serialization::*` [INFO] [stdout] --> src/set.rs:232:9 [INFO] [stdout] | [INFO] [stdout] 232 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/set.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut e = self [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.51s [INFO] running `Command { std: "docker" "inspect" "9f9ab52488e9898d3f5d05797510f30ff30c5bed7bfabd3ca7568c231551b0c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f9ab52488e9898d3f5d05797510f30ff30c5bed7bfabd3ca7568c231551b0c5", kill_on_drop: false }` [INFO] [stdout] 9f9ab52488e9898d3f5d05797510f30ff30c5bed7bfabd3ca7568c231551b0c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] da3c0a1699cbee999d7b60b2a3fdc6a5c3d9434f33b959c4b6a145f9b4bd58c9 [INFO] running `Command { std: "docker" "start" "-a" "da3c0a1699cbee999d7b60b2a3fdc6a5c3d9434f33b959c4b6a145f9b4bd58c9", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling quickcheck_macros v1.1.0 [INFO] [stdout] warning: unused import: `serialization::*` [INFO] [stdout] --> src/map.rs:304:9 [INFO] [stdout] | [INFO] [stdout] 304 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serialization::*` [INFO] [stdout] --> src/set.rs:232:9 [INFO] [stdout] | [INFO] [stdout] 232 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/set.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut e = self [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling quickcheck v1.0.3 [INFO] [stderr] Compiling causal-length v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `serialization::*` [INFO] [stdout] --> src/map.rs:304:9 [INFO] [stdout] | [INFO] [stdout] 304 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serialization::*` [INFO] [stdout] --> src/set.rs:232:9 [INFO] [stdout] | [INFO] [stdout] 232 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/map.rs:533:30 [INFO] [stdout] | [INFO] [stdout] 533 | v.shuffle(&mut rand::thread_rng()); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/map.rs:555:30 [INFO] [stdout] | [INFO] [stdout] 555 | v.shuffle(&mut rand::thread_rng()); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/map.rs:577:33 [INFO] [stdout] | [INFO] [stdout] 577 | copy.shuffle(&mut rand::thread_rng()); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/set.rs:429:30 [INFO] [stdout] | [INFO] [stdout] 429 | v.shuffle(&mut rand::thread_rng()); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/set.rs:458:33 [INFO] [stdout] | [INFO] [stdout] 458 | copy.shuffle(&mut rand::thread_rng()); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/set.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut e = self [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 13.34s [INFO] running `Command { std: "docker" "inspect" "da3c0a1699cbee999d7b60b2a3fdc6a5c3d9434f33b959c4b6a145f9b4bd58c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da3c0a1699cbee999d7b60b2a3fdc6a5c3d9434f33b959c4b6a145f9b4bd58c9", kill_on_drop: false }` [INFO] [stdout] da3c0a1699cbee999d7b60b2a3fdc6a5c3d9434f33b959c4b6a145f9b4bd58c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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", kill_on_drop: false }` [INFO] [stdout] 525f2b339a5ddac42b29befc14f9fcf55518282010cffb2591152dc50fe68270 [INFO] running `Command { std: "docker" "start" "-a" "525f2b339a5ddac42b29befc14f9fcf55518282010cffb2591152dc50fe68270", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `serialization::*` [INFO] [stderr] --> src/map.rs:304:9 [INFO] [stderr] | [INFO] [stderr] 304 | pub use serialization::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `serialization::*` [INFO] [stderr] --> src/set.rs:232:9 [INFO] [stderr] | [INFO] [stderr] 232 | pub use serialization::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/set.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | let mut e = self [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stderr] --> src/map.rs:533:30 [INFO] [stderr] | [INFO] [stderr] 533 | v.shuffle(&mut rand::thread_rng()); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stderr] --> src/map.rs:555:30 [INFO] [stderr] | [INFO] [stderr] 555 | v.shuffle(&mut rand::thread_rng()); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stderr] --> src/map.rs:577:33 [INFO] [stderr] | [INFO] [stderr] 577 | copy.shuffle(&mut rand::thread_rng()); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stderr] --> src/set.rs:429:30 [INFO] [stderr] | [INFO] [stderr] 429 | v.shuffle(&mut rand::thread_rng()); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stderr] --> src/set.rs:458:33 [INFO] [stderr] | [INFO] [stderr] 458 | copy.shuffle(&mut rand::thread_rng()); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `causal-length` (lib) generated 3 warnings (run `cargo fix --lib -p causal-length` to apply 3 suggestions) [INFO] [stderr] warning: `causal-length` (lib test) generated 8 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/causal_length-0963d9e8ff11b0e8) [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test map::tests::test_add ... ok [INFO] [stdout] test map::tests::test_order_independence ... ok [INFO] [stdout] test map::tests::test_overwrite ... ok [INFO] [stdout] test map::tests::test_merge ... ok [INFO] [stdout] test map::tests::test_remove ... ok [INFO] [stdout] test map::tests::test_retain ... ok [INFO] [stdout] test register::tests::test_fup ... ok [INFO] [stdout] test register::tests::test_merge ... ok [INFO] [stdout] test register::tests::test_serialization ... ok [INFO] [stdout] test map::tests::test_serialization ... ok [INFO] [stdout] test set::tests::test_remove ... ok [INFO] [stdout] test set::tests::test_add ... ok [INFO] [stdout] test set::tests::test_retain ... ok [INFO] [stdout] test set::tests::test_order_independence ... ok [INFO] [stdout] test register::tests::is_merge_commutative ... ok [INFO] [stdout] test set::tests::test_merge ... ok [INFO] [stdout] test set::tests::is_merge_order_independent ... ok [INFO] [stdout] test set::tests::is_merge_commutative ... ok [INFO] [stdout] test set::tests::implementation_matches_model ... ok [INFO] [stdout] test map::tests::simple_model::implementation_matches_model ... ok [INFO] [stdout] test map::tests::test_merge_commutative ... ok [INFO] [stdout] test map::tests::is_merge_order_independent ... ok [INFO] [stderr] Doc-tests causal_length [INFO] [stdout] test set::tests::test_serialization ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "525f2b339a5ddac42b29befc14f9fcf55518282010cffb2591152dc50fe68270", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "525f2b339a5ddac42b29befc14f9fcf55518282010cffb2591152dc50fe68270", kill_on_drop: false }` [INFO] [stdout] 525f2b339a5ddac42b29befc14f9fcf55518282010cffb2591152dc50fe68270