[INFO] fetching crate zenu-layer 0.1.1...
[INFO] testing zenu-layer-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate zenu-layer 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate zenu-layer 0.1.1
[INFO] finished tweaking crates.io crate zenu-layer 0.1.1
[INFO] tweaked toml for crates.io crate zenu-layer 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zenu-layer 0.1.1 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 153 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.6.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7745b196ab8e24245c10bc9daf5cab9339b2f8f2025ce872207bc6867612efdb
[INFO] running `Command { std: "docker" "start" "-a" "7745b196ab8e24245c10bc9daf5cab9339b2f8f2025ce872207bc6867612efdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7745b196ab8e24245c10bc9daf5cab9339b2f8f2025ce872207bc6867612efdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7745b196ab8e24245c10bc9daf5cab9339b2f8f2025ce872207bc6867612efdb", kill_on_drop: false }`
[INFO] [stdout] 7745b196ab8e24245c10bc9daf5cab9339b2f8f2025ce872207bc6867612efdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c2d3e8aefc9d5b5a78161f00a9cb7f16f2baebdeac59fec4e7a85669335b1270
[INFO] running `Command { std: "docker" "start" "-a" "c2d3e8aefc9d5b5a78161f00a9cb7f16f2baebdeac59fec4e7a85669335b1270", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling openssl v0.10.78
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling rustls-pki-types v1.14.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling pem-rfc7468 v1.0.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling der v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling webpki-root-certs v1.0.7
[INFO] [stderr]    Compiling utf8-zero v0.8.1
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.114
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling ureq-proto v0.6.0
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling tar v0.4.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling cblas v0.4.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ureq v3.3.0
[INFO] [stderr]    Compiling openblas-build v0.10.15
[INFO] [stderr]    Compiling openblas-src v0.10.15
[INFO] [stderr]    Compiling zenu-matrix v0.1.2
[INFO] [stderr]    Compiling zenu-autograd v0.1.2
[INFO] [stderr]    Compiling zenu-layer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "c2d3e8aefc9d5b5a78161f00a9cb7f16f2baebdeac59fec4e7a85669335b1270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d3e8aefc9d5b5a78161f00a9cb7f16f2baebdeac59fec4e7a85669335b1270", kill_on_drop: false }`
[INFO] [stdout] c2d3e8aefc9d5b5a78161f00a9cb7f16f2baebdeac59fec4e7a85669335b1270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 639749d18026dc17b459803152b95dab10bf1009971039311bad62ad24958b80
[INFO] running `Command { std: "docker" "start" "-a" "639749d18026dc17b459803152b95dab10bf1009971039311bad62ad24958b80", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling ureq-proto v0.6.0
[INFO] [stderr]    Compiling ureq v3.3.0
[INFO] [stderr]    Compiling openblas-build v0.10.15
[INFO] [stderr]    Compiling openblas-src v0.10.15
[INFO] [stderr]    Compiling zenu-matrix v0.1.2
[INFO] [stderr]    Compiling zenu-autograd v0.1.2
[INFO] [stderr]    Compiling zenu-layer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `zenu_test`
[INFO] [stdout]    --> src/layers/rnn/rnn.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     use zenu_test::{assert_val_eq, run_test};
[INFO] [stdout]     |         ^^^^^^^^^ use of unresolved module or unlinked crate `zenu_test`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `zenu_test`, use `cargo add zenu_test` 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 `zenu-layer` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "639749d18026dc17b459803152b95dab10bf1009971039311bad62ad24958b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639749d18026dc17b459803152b95dab10bf1009971039311bad62ad24958b80", kill_on_drop: false }`
[INFO] [stdout] 639749d18026dc17b459803152b95dab10bf1009971039311bad62ad24958b80
