[INFO] fetching crate seqnmf-linalg 0.1.4...
[INFO] testing seqnmf-linalg-0.1.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate seqnmf-linalg 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate seqnmf-linalg 0.1.4
[INFO] finished tweaking crates.io crate seqnmf-linalg 0.1.4
[INFO] tweaked toml for crates.io crate seqnmf-linalg 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seqnmf-linalg 0.1.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.13.1 (available: v0.17.2)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a085310dffa1d4fffea34d4d4fea1c5163496710efba94f388e9a2a69a0c26ee
[INFO] running `Command { std: "docker" "start" "-a" "a085310dffa1d4fffea34d4d4fea1c5163496710efba94f388e9a2a69a0c26ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a085310dffa1d4fffea34d4d4fea1c5163496710efba94f388e9a2a69a0c26ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a085310dffa1d4fffea34d4d4fea1c5163496710efba94f388e9a2a69a0c26ee", kill_on_drop: false }`
[INFO] [stdout] a085310dffa1d4fffea34d4d4fea1c5163496710efba94f388e9a2a69a0c26ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f77786634ece39703452c776aee55bfde5a9b850d07d36e74c080ec5ab1e6c9f
[INFO] running `Command { std: "docker" "start" "-a" "f77786634ece39703452c776aee55bfde5a9b850d07d36e74c080ec5ab1e6c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling seqnmf-linalg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linalg.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn raw_view(&self) -> ArrayView2<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] 32 |     pub fn raw_view(&self) -> ArrayView2<'_, T> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linalg.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn shift_view(&self, l: usize, shift_dir: ShiftDirect) -> Result<ArrayView2<T>, &str> {
[INFO] [stdout]    |                       ^^^^^                                              ^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |                                                  |
[INFO] [stdout]    |                       the lifetime is elided here                        the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn shift_view(&self, l: usize, shift_dir: ShiftDirect) -> Result<ArrayView2<'_, T>, &str> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "f77786634ece39703452c776aee55bfde5a9b850d07d36e74c080ec5ab1e6c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77786634ece39703452c776aee55bfde5a9b850d07d36e74c080ec5ab1e6c9f", kill_on_drop: false }`
[INFO] [stdout] f77786634ece39703452c776aee55bfde5a9b850d07d36e74c080ec5ab1e6c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4baa7f2031f8b40aa6c445055e5f2b38a47dd571b0a75e5fc3f863f74e686c1d
[INFO] running `Command { std: "docker" "start" "-a" "4baa7f2031f8b40aa6c445055e5f2b38a47dd571b0a75e5fc3f863f74e686c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling seqnmf-linalg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linalg.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn raw_view(&self) -> ArrayView2<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] 32 |     pub fn raw_view(&self) -> ArrayView2<'_, T> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linalg.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn shift_view(&self, l: usize, shift_dir: ShiftDirect) -> Result<ArrayView2<T>, &str> {
[INFO] [stdout]    |                       ^^^^^                                              ^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |                                                  |
[INFO] [stdout]    |                       the lifetime is elided here                        the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn shift_view(&self, l: usize, shift_dir: ShiftDirect) -> Result<ArrayView2<'_, T>, &str> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linalg.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn raw_view(&self) -> ArrayView2<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] 32 |     pub fn raw_view(&self) -> ArrayView2<'_, T> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linalg.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn shift_view(&self, l: usize, shift_dir: ShiftDirect) -> Result<ArrayView2<T>, &str> {
[INFO] [stdout]    |                       ^^^^^                                              ^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                       |                                                  |
[INFO] [stdout]    |                       the lifetime is elided here                        the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn shift_view(&self, l: usize, shift_dir: ShiftDirect) -> Result<ArrayView2<'_, T>, &str> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "4baa7f2031f8b40aa6c445055e5f2b38a47dd571b0a75e5fc3f863f74e686c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4baa7f2031f8b40aa6c445055e5f2b38a47dd571b0a75e5fc3f863f74e686c1d", kill_on_drop: false }`
[INFO] [stdout] 4baa7f2031f8b40aa6c445055e5f2b38a47dd571b0a75e5fc3f863f74e686c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ba022f5909964f49f0dec06abdcca5fbf7700426b0adbfa22223202c1fe1eee8
[INFO] running `Command { std: "docker" "start" "-a" "ba022f5909964f49f0dec06abdcca5fbf7700426b0adbfa22223202c1fe1eee8", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]   --> src/linalg.rs:32:21
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 32 |     pub fn raw_view(&self) -> ArrayView2<T> {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                     ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 
[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] 32 |     pub fn raw_view(&self) -> ArrayView2<'_, T> {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/linalg.rs:36:23
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn shift_view(&self, l: usize, shift_dir: ShiftDirect) -> Result<ArrayView2<T>, &str> {
[INFO] [stderr]    |                       ^^^^^                                              ^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stderr]    |                       |                                                  |
[INFO] [stderr]    |                       the lifetime is elided here                        the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn shift_view(&self, l: usize, shift_dir: ShiftDirect) -> Result<ArrayView2<'_, T>, &str> {
[INFO] [stderr]    |                                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `seqnmf-linalg` (lib) generated 2 warnings (run `cargo fix --lib -p seqnmf-linalg` to apply 2 suggestions)
[INFO] [stderr] warning: `seqnmf-linalg` (lib test) generated 2 warnings (2 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/seqnmf_linalg-08a0f00702831d55)
[INFO] [stderr]    Doc-tests seqnmf_linalg
[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" "ba022f5909964f49f0dec06abdcca5fbf7700426b0adbfa22223202c1fe1eee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba022f5909964f49f0dec06abdcca5fbf7700426b0adbfa22223202c1fe1eee8", kill_on_drop: false }`
[INFO] [stdout] ba022f5909964f49f0dec06abdcca5fbf7700426b0adbfa22223202c1fe1eee8
