[INFO] fetching crate rand_set 0.1.2...
[INFO] testing rand_set-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rand_set 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rand_set 0.1.2
[INFO] finished tweaking crates.io crate rand_set 0.1.2
[INFO] tweaked toml for crates.io crate rand_set 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rand_set 0.1.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rand_set 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dc59899094ccc9a0d83a8f6d250c87fbff48f64114c354f47c1e2bab44705b3
[INFO] running `Command { std: "docker" "start" "-a" "3dc59899094ccc9a0d83a8f6d250c87fbff48f64114c354f47c1e2bab44705b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dc59899094ccc9a0d83a8f6d250c87fbff48f64114c354f47c1e2bab44705b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc59899094ccc9a0d83a8f6d250c87fbff48f64114c354f47c1e2bab44705b3", kill_on_drop: false }`
[INFO] [stdout] 3dc59899094ccc9a0d83a8f6d250c87fbff48f64114c354f47c1e2bab44705b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d5887e691d8dddb42baa1519954a356f6bdfefec43542cffdbe3e3bb5e77420
[INFO] running `Command { std: "docker" "start" "-a" "4d5887e691d8dddb42baa1519954a356f6bdfefec43542cffdbe3e3bb5e77420", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling rand_set v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "4d5887e691d8dddb42baa1519954a356f6bdfefec43542cffdbe3e3bb5e77420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5887e691d8dddb42baa1519954a356f6bdfefec43542cffdbe3e3bb5e77420", kill_on_drop: false }`
[INFO] [stdout] 4d5887e691d8dddb42baa1519954a356f6bdfefec43542cffdbe3e3bb5e77420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c61a88260c0acea4ce8df0bf08a8ef92d1fbd927b33d7b6325fd241597669955
[INFO] running `Command { std: "docker" "start" "-a" "c61a88260c0acea4ce8df0bf08a8ef92d1fbd927b33d7b6325fd241597669955", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_set v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "c61a88260c0acea4ce8df0bf08a8ef92d1fbd927b33d7b6325fd241597669955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61a88260c0acea4ce8df0bf08a8ef92d1fbd927b33d7b6325fd241597669955", kill_on_drop: false }`
[INFO] [stdout] c61a88260c0acea4ce8df0bf08a8ef92d1fbd927b33d7b6325fd241597669955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d9b14cd24beea0e373943eb69e9709bc238cfa43025474ce198afb1a21cef13
[INFO] running `Command { std: "docker" "start" "-a" "4d9b14cd24beea0e373943eb69e9709bc238cfa43025474ce198afb1a21cef13", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rand_set` (lib) generated 1 warning (run `cargo fix --lib -p rand_set` to apply 1 suggestion)
[INFO] [stderr] warning: `rand_set` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rand_set-88e1f9d059d3a887)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::equal ... ok
[INFO] [stdout] test tests::is_disjoint_completely_different_sets ... ok
[INFO] [stdout] test tests::is_disjoint_identical_sets ... ok
[INFO] [stdout] test tests::is_disjoint_single_element_overlap ... ok
[INFO] [stdout] test tests::is_empty_false ... ok
[INFO] [stdout] test tests::is_empty_true ... ok
[INFO] [stdout] test tests::is_disjoint_subset_relationship ... ok
[INFO] [stdout] test tests::is_disjoint_one_empty_set ... ok
[INFO] [stdout] test tests::contains_fail ... ok
[INFO] [stdout] test tests::get_rand ... ok
[INFO] [stdout] test tests::is_disjoint_overlapping_sets ... ok
[INFO] [stdout] test tests::is_disjoint_single_element_sets ... ok
[INFO] [stdout] test tests::contains ... ok
[INFO] [stdout] test tests::is_disjoint_empty_sets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rand_set
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.61s; merged doctests compilation took 0.60s
[INFO] running `Command { std: "docker" "inspect" "4d9b14cd24beea0e373943eb69e9709bc238cfa43025474ce198afb1a21cef13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9b14cd24beea0e373943eb69e9709bc238cfa43025474ce198afb1a21cef13", kill_on_drop: false }`
[INFO] [stdout] 4d9b14cd24beea0e373943eb69e9709bc238cfa43025474ce198afb1a21cef13
