[INFO] fetching crate sparsetools 0.2.4...
[INFO] testing sparsetools-0.2.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sparsetools 0.2.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sparsetools 0.2.4
[INFO] finished tweaking crates.io crate sparsetools 0.2.4
[INFO] tweaked toml for crates.io crate sparsetools 0.2.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparsetools 0.2.4 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 sparsetools 0.2.4 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d33ddd72c8a9f8abb3787a6345cc772e92d925d0d96c1ff13202a61b33f59b90
[INFO] running `Command { std: "docker" "start" "-a" "d33ddd72c8a9f8abb3787a6345cc772e92d925d0d96c1ff13202a61b33f59b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33ddd72c8a9f8abb3787a6345cc772e92d925d0d96c1ff13202a61b33f59b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33ddd72c8a9f8abb3787a6345cc772e92d925d0d96c1ff13202a61b33f59b90", kill_on_drop: false }`
[INFO] [stdout] d33ddd72c8a9f8abb3787a6345cc772e92d925d0d96c1ff13202a61b33f59b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5bc33e9bf7600f8be13e320099459a77d7d7894aa74ea3f53fea49ecf0231060
[INFO] running `Command { std: "docker" "start" "-a" "5bc33e9bf7600f8be13e320099459a77d7d7894aa74ea3f53fea49ecf0231060", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling ryu_floating_decimal v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling pretty_dtoa v0.3.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]    Compiling num-complex v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling opimps v0.2.2
[INFO] [stderr]    Compiling sparsetools v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/coo/iter.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn iter(&self) -> CooIterator<I, 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] 28 |     pub fn iter(&self) -> CooIterator<'_, I, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.98s
[INFO] running `Command { std: "docker" "inspect" "5bc33e9bf7600f8be13e320099459a77d7d7894aa74ea3f53fea49ecf0231060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc33e9bf7600f8be13e320099459a77d7d7894aa74ea3f53fea49ecf0231060", kill_on_drop: false }`
[INFO] [stdout] 5bc33e9bf7600f8be13e320099459a77d7d7894aa74ea3f53fea49ecf0231060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 05cb48fcefa8ee6e0859ac53dea8547a3b89fe9685a701e463d9dc1fc824ef43
[INFO] running `Command { std: "docker" "start" "-a" "05cb48fcefa8ee6e0859ac53dea8547a3b89fe9685a701e463d9dc1fc824ef43", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/coo/iter.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn iter(&self) -> CooIterator<I, 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] 28 |     pub fn iter(&self) -> CooIterator<'_, I, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sparsetools v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/coo/iter.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn iter(&self) -> CooIterator<I, 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] 28 |     pub fn iter(&self) -> CooIterator<'_, I, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "05cb48fcefa8ee6e0859ac53dea8547a3b89fe9685a701e463d9dc1fc824ef43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cb48fcefa8ee6e0859ac53dea8547a3b89fe9685a701e463d9dc1fc824ef43", kill_on_drop: false }`
[INFO] [stdout] 05cb48fcefa8ee6e0859ac53dea8547a3b89fe9685a701e463d9dc1fc824ef43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 18363ddb0399e009b29357e8904e63a464badac2e8f699f6e90319241504772e
[INFO] running `Command { std: "docker" "start" "-a" "18363ddb0399e009b29357e8904e63a464badac2e8f699f6e90319241504772e", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/coo/iter.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn iter(&self) -> CooIterator<I, 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] 28 |     pub fn iter(&self) -> CooIterator<'_, I, T> {
[INFO] [stderr]    |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `sparsetools` (lib) generated 1 warning (run `cargo fix --lib -p sparsetools` to apply 1 suggestion)
[INFO] [stderr] warning: `sparsetools` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sparsetools-6c993892992517c0)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test coo::coo_test::test_add ... ok
[INFO] [stdout] test coo::coo_test::test_empty ... ok
[INFO] [stdout] test coo::coo_test::test_h_stack ... ok
[INFO] [stdout] test coo::coo_test::test_identity ... ok
[INFO] [stdout] test coo::coo_test::test_new ... ok
[INFO] [stdout] test coo::coo_test::test_to_dense ... ok
[INFO] [stdout] test coo::coo_test::test_transpose ... ok
[INFO] [stdout] test coo::coo_test::test_v_stack ... ok
[INFO] [stdout] test csr::ccsr_test::test_new ... ok
[INFO] [stdout] test coo::coo_test::test_with_diagonal ... ok
[INFO] [stdout] test csr::csr_test::test_connected_components ... ok
[INFO] [stdout] test csr::csr_test::test_has_sorted_indexes ... ok
[INFO] [stdout] test csr::csr_test::test_mat_vec ... ok
[INFO] [stdout] test csr::csr_test::test_mat_mat ... ok
[INFO] [stdout] test csr::csr_test::test_new ... ok
[INFO] [stdout] test csr::csr_test::test_select ... ok
[INFO] [stdout] test csr::csr_test::test_sort_indexes ... ok
[INFO] [stdout] test csr::csr_test::test_to_csc ... ok
[INFO] [stdout] test csr::csr_test::test_transpose ... ok
[INFO] [stdout] test csr::csr_test::test_with_diag ... ok
[INFO] [stdout] test graph::tests::test_strong_connections2 ... ok
[INFO] [stdout] test coo::coo_test::test_to_csc ... ok
[INFO] [stdout] test graph::tests::test_strong_connections ... ok
[INFO] [stdout] test graph::tests::test_weak_connections ... ok
[INFO] [stdout] test graph::tests::test_weak_connections2 ... ok
[INFO] [stdout] test coo::coo_test::test_to_csr_sum_duplicates ... ok
[INFO] [stdout] test csr::csr_test::test_to_coo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]    Doc-tests sparsetools
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/graph.rs - graph::connected_components (line 42) ... ok
[INFO] [stdout] test src/graph.rs - graph::depth_first_order (line 434) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18363ddb0399e009b29357e8904e63a464badac2e8f699f6e90319241504772e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18363ddb0399e009b29357e8904e63a464badac2e8f699f6e90319241504772e", kill_on_drop: false }`
[INFO] [stdout] 18363ddb0399e009b29357e8904e63a464badac2e8f699f6e90319241504772e
