[INFO] fetching crate fenris-sparse 0.0.5...
[INFO] testing fenris-sparse-0.0.5 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate fenris-sparse 0.0.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fenris-sparse 0.0.5
[INFO] finished tweaking crates.io crate fenris-sparse 0.0.5
[INFO] tweaked toml for crates.io crate fenris-sparse 0.0.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fenris-sparse 0.0.5 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding nalgebra v0.32.6 (available: v0.34.1)
[INFO] [stderr]       Adding nalgebra-sparse v0.9.0 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87efe36a83a9f1ca823c16d32f241592e8e45887c16343e478f904314ab0b0cf
[INFO] running `Command { std: "docker" "start" "-a" "87efe36a83a9f1ca823c16d32f241592e8e45887c16343e478f904314ab0b0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87efe36a83a9f1ca823c16d32f241592e8e45887c16343e478f904314ab0b0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87efe36a83a9f1ca823c16d32f241592e8e45887c16343e478f904314ab0b0cf", kill_on_drop: false }`
[INFO] [stdout] 87efe36a83a9f1ca823c16d32f241592e8e45887c16343e478f904314ab0b0cf
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c4acc5cb0c6a1668f796a0a6e9d8a2abce1dec550bbe1a0626638d04ec32a06
[INFO] running `Command { std: "docker" "start" "-a" "0c4acc5cb0c6a1668f796a0a6e9d8a2abce1dec550bbe1a0626638d04ec32a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling fenris-nested-vec v0.0.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling fenris-paradis v0.0.3
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling nalgebra v0.32.6
[INFO] [stderr]    Compiling fenris-traits v0.0.2
[INFO] [stderr]    Compiling nalgebra-sparse v0.9.0
[INFO] [stderr]    Compiling fenris-sparse v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cg.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn prepare_buffers(&mut self, dim: usize) -> Buffers<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] 155 |     fn prepare_buffers(&mut self, dim: usize) -> Buffers<'_, T> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.63s
[INFO] running `Command { std: "docker" "inspect" "0c4acc5cb0c6a1668f796a0a6e9d8a2abce1dec550bbe1a0626638d04ec32a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4acc5cb0c6a1668f796a0a6e9d8a2abce1dec550bbe1a0626638d04ec32a06", kill_on_drop: false }`
[INFO] [stdout] 0c4acc5cb0c6a1668f796a0a6e9d8a2abce1dec550bbe1a0626638d04ec32a06
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 909afa00f4c0a22ab4d75c3257b0a15992e477962f6e99fe864013e97428ff3d
[INFO] running `Command { std: "docker" "start" "-a" "909afa00f4c0a22ab4d75c3257b0a15992e477962f6e99fe864013e97428ff3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cg.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn prepare_buffers(&mut self, dim: usize) -> Buffers<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] 155 |     fn prepare_buffers(&mut self, dim: usize) -> Buffers<'_, T> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling proptest v1.9.0
[INFO] [stderr]    Compiling fenris-sparse v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `util`
[INFO] [stdout]  --> tests/cg.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use util::assert_approx_matrix_eq;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `util`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `util`, use `cargo add util` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fenris-sparse` (test "cg") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cg.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn prepare_buffers(&mut self, dim: usize) -> Buffers<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] 155 |     fn prepare_buffers(&mut self, dim: usize) -> Buffers<'_, T> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "909afa00f4c0a22ab4d75c3257b0a15992e477962f6e99fe864013e97428ff3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909afa00f4c0a22ab4d75c3257b0a15992e477962f6e99fe864013e97428ff3d", kill_on_drop: false }`
[INFO] [stdout] 909afa00f4c0a22ab4d75c3257b0a15992e477962f6e99fe864013e97428ff3d
