[INFO] cloning repository https://github.com/mtizim/rustnn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtizim/rustnn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtizim%2Frustnn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtizim%2Frustnn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2f1da7398d8b5e9e9a26454917fd849f4e6520b
[INFO] testing mtizim/rustnn against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtizim%2Frustnn" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mtizim/rustnn
[INFO] finished tweaking git repo https://github.com/mtizim/rustnn
[INFO] tweaked toml for git repo https://github.com/mtizim/rustnn written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mtizim/rustnn 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 git repo https://github.com/mtizim/rustnn 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-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] 8b931402d845872b90c2dbdcb6188fa11a520bf131d62d62a85cf2fd6889c518
[INFO] running `Command { std: "docker" "start" "-a" "8b931402d845872b90c2dbdcb6188fa11a520bf131d62d62a85cf2fd6889c518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b931402d845872b90c2dbdcb6188fa11a520bf131d62d62a85cf2fd6889c518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b931402d845872b90c2dbdcb6188fa11a520bf131d62d62a85cf2fd6889c518", kill_on_drop: false }`
[INFO] [stdout] 8b931402d845872b90c2dbdcb6188fa11a520bf131d62d62a85cf2fd6889c518
[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] b5df3e131e0a9b6fd585e70347c0f878581446105ad9cdd026e077cde287ee7c
[INFO] running `Command { std: "docker" "start" "-a" "b5df3e131e0a9b6fd585e70347c0f878581446105ad9cdd026e077cde287ee7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling lapack-sys v0.12.1
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling prgrs v0.6.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling cauchy v0.4.0
[INFO] [stderr]    Compiling lapack v0.18.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling openblas-src v0.10.4
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling lax v0.2.0
[INFO] [stderr]    Compiling ndarray-linalg v0.14.1
[INFO] [stderr]    Compiling nn1r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/datastructs.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn ref_repr(&self) -> DataRef {
[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] 8 |     pub fn ref_repr(&self) -> DataRef<'_> {
[INFO] [stdout]   |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 05s
[INFO] running `Command { std: "docker" "inspect" "b5df3e131e0a9b6fd585e70347c0f878581446105ad9cdd026e077cde287ee7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5df3e131e0a9b6fd585e70347c0f878581446105ad9cdd026e077cde287ee7c", kill_on_drop: false }`
[INFO] [stdout] b5df3e131e0a9b6fd585e70347c0f878581446105ad9cdd026e077cde287ee7c
[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] fecaffc8e33009c7fc8de701dcb0c61f7d3ed3fe1a4ff35d596be4bab28ddfae
[INFO] running `Command { std: "docker" "start" "-a" "fecaffc8e33009c7fc8de701dcb0c61f7d3ed3fe1a4ff35d596be4bab28ddfae", kill_on_drop: false }`
[INFO] [stderr]    Compiling nn1r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/datastructs.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn ref_repr(&self) -> DataRef {
[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] 8 |     pub fn ref_repr(&self) -> DataRef<'_> {
[INFO] [stdout]   |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "fecaffc8e33009c7fc8de701dcb0c61f7d3ed3fe1a4ff35d596be4bab28ddfae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecaffc8e33009c7fc8de701dcb0c61f7d3ed3fe1a4ff35d596be4bab28ddfae", kill_on_drop: false }`
[INFO] [stdout] fecaffc8e33009c7fc8de701dcb0c61f7d3ed3fe1a4ff35d596be4bab28ddfae
[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] a96d794ac2b5adfefb7118b166bf47226d69e95c7c98780b854c6646c9d59961
[INFO] running `Command { std: "docker" "start" "-a" "a96d794ac2b5adfefb7118b166bf47226d69e95c7c98780b854c6646c9d59961", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/datastructs.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn ref_repr(&self) -> DataRef {
[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] 8 |     pub fn ref_repr(&self) -> DataRef<'_> {
[INFO] [stderr]   |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nn1r` (bin "nn1r" test) generated 1 warning (run `cargo fix --bin "nn1r" -p nn1r --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nn1r-96108da878285e03)
[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" "a96d794ac2b5adfefb7118b166bf47226d69e95c7c98780b854c6646c9d59961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96d794ac2b5adfefb7118b166bf47226d69e95c7c98780b854c6646c9d59961", kill_on_drop: false }`
[INFO] [stdout] a96d794ac2b5adfefb7118b166bf47226d69e95c7c98780b854c6646c9d59961