[INFO] fetching crate zyx-nn 0.1.1...
[INFO] testing zyx-nn-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate zyx-nn 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate zyx-nn 0.1.1
[INFO] finished tweaking crates.io crate zyx-nn 0.1.1
[INFO] tweaked toml for crates.io crate zyx-nn 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zyx-nn 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zyx-core v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7aa35c9a50d0eb558ea760eeb028118daee36cb16e828efe2e46008db925fbf
[INFO] running `Command { std: "docker" "start" "-a" "a7aa35c9a50d0eb558ea760eeb028118daee36cb16e828efe2e46008db925fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7aa35c9a50d0eb558ea760eeb028118daee36cb16e828efe2e46008db925fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7aa35c9a50d0eb558ea760eeb028118daee36cb16e828efe2e46008db925fbf", kill_on_drop: false }`
[INFO] [stdout] a7aa35c9a50d0eb558ea760eeb028118daee36cb16e828efe2e46008db925fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b860d51cfa46140dcae222932b100817adb2c6d474790a7a16375de826ad479a
[INFO] running `Command { std: "docker" "start" "-a" "b860d51cfa46140dcae222932b100817adb2c6d474790a7a16375de826ad479a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zyx-core v0.1.1
[INFO] [stderr]    Compiling zyx-nn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `LayerNormInit` is never used
[INFO] [stdout]   --> src/layer_norm.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait LayerNormInit: Backend {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BatchNormInit` is never used
[INFO] [stdout]   --> src/batch_norm.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait BatchNormInit: Backend {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "b860d51cfa46140dcae222932b100817adb2c6d474790a7a16375de826ad479a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b860d51cfa46140dcae222932b100817adb2c6d474790a7a16375de826ad479a", kill_on_drop: false }`
[INFO] [stdout] b860d51cfa46140dcae222932b100817adb2c6d474790a7a16375de826ad479a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78feb5192f09f2953d9c9207366723f0caee23b4d8d69c0c72235d439b989361
[INFO] running `Command { std: "docker" "start" "-a" "78feb5192f09f2953d9c9207366723f0caee23b4d8d69c0c72235d439b989361", kill_on_drop: false }`
[INFO] [stdout] warning: trait `LayerNormInit` is never used
[INFO] [stdout]   --> src/layer_norm.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait LayerNormInit: Backend {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zyx-nn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BatchNormInit` is never used
[INFO] [stdout]   --> src/batch_norm.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait BatchNormInit: Backend {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LayerNormInit` is never used
[INFO] [stdout]   --> src/layer_norm.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait LayerNormInit: Backend {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BatchNormInit` is never used
[INFO] [stdout]   --> src/batch_norm.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait BatchNormInit: Backend {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "78feb5192f09f2953d9c9207366723f0caee23b4d8d69c0c72235d439b989361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78feb5192f09f2953d9c9207366723f0caee23b4d8d69c0c72235d439b989361", kill_on_drop: false }`
[INFO] [stdout] 78feb5192f09f2953d9c9207366723f0caee23b4d8d69c0c72235d439b989361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1a988d12f88e3d15d8465dc6e83a98f80e0b239a1546ee40722a3bd2b367ecb
[INFO] running `Command { std: "docker" "start" "-a" "e1a988d12f88e3d15d8465dc6e83a98f80e0b239a1546ee40722a3bd2b367ecb", kill_on_drop: false }`
[INFO] [stderr] warning: trait `LayerNormInit` is never used
[INFO] [stderr]   --> src/layer_norm.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub trait LayerNormInit: Backend {
[INFO] [stderr]    |           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `BatchNormInit` is never used
[INFO] [stderr]   --> src/batch_norm.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub trait BatchNormInit: Backend {
[INFO] [stderr]    |           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `zyx-nn` (lib) generated 2 warnings
[INFO] [stderr] warning: `zyx-nn` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zyx_nn-cb9c300c4d836ed3)
[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] [stderr]    Doc-tests zyx_nn
[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" "e1a988d12f88e3d15d8465dc6e83a98f80e0b239a1546ee40722a3bd2b367ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a988d12f88e3d15d8465dc6e83a98f80e0b239a1546ee40722a3bd2b367ecb", kill_on_drop: false }`
[INFO] [stdout] e1a988d12f88e3d15d8465dc6e83a98f80e0b239a1546ee40722a3bd2b367ecb