[INFO] cloning repository https://github.com/Janko-dev/matchbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Janko-dev/matchbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanko-dev%2Fmatchbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanko-dev%2Fmatchbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0af8060ef5cdc0f0aeeb98e3b34087f3a2cd686a
[INFO] testing Janko-dev/matchbox against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanko-dev%2Fmatchbox" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Janko-dev/matchbox
[INFO] finished tweaking git repo https://github.com/Janko-dev/matchbox
[INFO] tweaked toml for git repo https://github.com/Janko-dev/matchbox written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Janko-dev/matchbox on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Janko-dev/matchbox 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.14
[INFO] [stderr]   Downloaded ndarray-rand v0.15.0
[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] [stderr]   Downloaded rawpointer v0.2.1
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[INFO] [stderr]   Downloaded proc-macro2 v1.0.81
[INFO] [stderr]   Downloaded portable-atomic v1.10.0
[INFO] [stderr]   Downloaded ndarray v0.16.1
[INFO] [stderr]   Downloaded libc v0.2.154
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfd1d0e23d13788699b36ab57d20ac6006ec6ab095d52ccffa06b54448278033
[INFO] running `Command { std: "docker" "start" "-a" "cfd1d0e23d13788699b36ab57d20ac6006ec6ab095d52ccffa06b54448278033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfd1d0e23d13788699b36ab57d20ac6006ec6ab095d52ccffa06b54448278033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd1d0e23d13788699b36ab57d20ac6006ec6ab095d52ccffa06b54448278033", kill_on_drop: false }`
[INFO] [stdout] cfd1d0e23d13788699b36ab57d20ac6006ec6ab095d52ccffa06b54448278033
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bb92089fe266aa8b08cbd2d603b349a8595be64c443c2d17c50b3140af89261
[INFO] running `Command { std: "docker" "start" "-a" "6bb92089fe266aa8b08cbd2d603b349a8595be64c443c2d17c50b3140af89261", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling svg v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling plotlib v0.5.1
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling matchbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add`, `Broadcast`, `Div`, `MatMul`, `Mean`, `Mul`, `Pow`, `ReLU`, `ScalarMul`, `Sigmoid`, `Sub`, `Sum`, and `Transpose`
[INFO] [stdout]   --> src/core/tensor.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |         Add,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  8 |         Sub,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  9 |         Mul,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 10 |         Div,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |         MatMul,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 12 |         ScalarMul,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 13 |         Pow,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 14 |         Sum,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |         Mean,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |         Transpose,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 17 |         Broadcast,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |         Sigmoid,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 19 |         ReLU
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BroadCastError`
[INFO] [stdout]   --> src/core/tensor.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     BroadCastError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/core/tensor.rs:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |     rand_distr::{num_traits::{Float, One, Zero}, Normal, StandardNormal, Uniform},
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/core/tensor.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |     rand_distr::{num_traits::{Float, One, Zero}, Normal, StandardNormal, Uniform},
[INFO] [stdout]    |                                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6bb92089fe266aa8b08cbd2d603b349a8595be64c443c2d17c50b3140af89261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb92089fe266aa8b08cbd2d603b349a8595be64c443c2d17c50b3140af89261", kill_on_drop: false }`
[INFO] [stdout] 6bb92089fe266aa8b08cbd2d603b349a8595be64c443c2d17c50b3140af89261
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e335be3604c2d3c0bb51e00ef05cd1c2f9622836592a4e5f1ae007bfad77fc7
[INFO] running `Command { std: "docker" "start" "-a" "4e335be3604c2d3c0bb51e00ef05cd1c2f9622836592a4e5f1ae007bfad77fc7", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Add`, `Broadcast`, `Div`, `MatMul`, `Mean`, `Mul`, `Pow`, `ReLU`, `ScalarMul`, `Sigmoid`, `Sub`, `Sum`, and `Transpose`
[INFO] [stdout]   --> src/core/tensor.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |         Add,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  8 |         Sub,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  9 |         Mul,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 10 |         Div,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |         MatMul,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 12 |         ScalarMul,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 13 |         Pow,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 14 |         Sum,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |         Mean,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |         Transpose,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 17 |         Broadcast,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |         Sigmoid,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 19 |         ReLU
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BroadCastError`
[INFO] [stdout]   --> src/core/tensor.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     BroadCastError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/core/tensor.rs:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |     rand_distr::{num_traits::{Float, One, Zero}, Normal, StandardNormal, Uniform},
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/core/tensor.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |     rand_distr::{num_traits::{Float, One, Zero}, Normal, StandardNormal, Uniform},
[INFO] [stdout]    |                                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling matchbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add`, `Broadcast`, `Div`, `MatMul`, `Mean`, `Mul`, `Pow`, `ReLU`, `ScalarMul`, `Sigmoid`, `Sub`, `Sum`, and `Transpose`
[INFO] [stdout]   --> src/core/tensor.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |         Add,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  8 |         Sub,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  9 |         Mul,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 10 |         Div,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |         MatMul,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 12 |         ScalarMul,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 13 |         Pow,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 14 |         Sum,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |         Mean,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |         Transpose,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 17 |         Broadcast,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |         Sigmoid,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 19 |         ReLU
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BroadCastError`
[INFO] [stdout]   --> src/core/tensor.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     BroadCastError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/core/tensor.rs:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |     rand_distr::{num_traits::{Float, One, Zero}, Normal, StandardNormal, Uniform},
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/core/tensor.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |     rand_distr::{num_traits::{Float, One, Zero}, Normal, StandardNormal, Uniform},
[INFO] [stdout]    |                                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4e335be3604c2d3c0bb51e00ef05cd1c2f9622836592a4e5f1ae007bfad77fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e335be3604c2d3c0bb51e00ef05cd1c2f9622836592a4e5f1ae007bfad77fc7", kill_on_drop: false }`
[INFO] [stdout] 4e335be3604c2d3c0bb51e00ef05cd1c2f9622836592a4e5f1ae007bfad77fc7
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dec9867a0af439e3460be2c16a678c9b2d6037bd3864be6053bc07f49b2415bb
[INFO] running `Command { std: "docker" "start" "-a" "dec9867a0af439e3460be2c16a678c9b2d6037bd3864be6053bc07f49b2415bb", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Add`, `Broadcast`, `Div`, `MatMul`, `Mean`, `Mul`, `Pow`, `ReLU`, `ScalarMul`, `Sigmoid`, `Sub`, `Sum`, and `Transpose`
[INFO] [stderr]   --> src/core/tensor.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr]  7 |         Add,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]  8 |         Sub,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]  9 |         Mul,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 10 |         Div,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 11 |         MatMul,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 12 |         ScalarMul,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 13 |         Pow,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 14 |         Sum,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 15 |         Mean,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 16 |         Transpose,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 17 |         Broadcast,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 18 |         Sigmoid,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 19 |         ReLU
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BroadCastError`
[INFO] [stderr]   --> src/core/tensor.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     BroadCastError,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]   --> src/core/tensor.rs:31:38
[INFO] [stderr]    |
[INFO] [stderr] 31 |     rand_distr::{num_traits::{Float, One, Zero}, Normal, StandardNormal, Uniform},
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Zero`
[INFO] [stderr]   --> src/core/tensor.rs:31:43
[INFO] [stderr]    |
[INFO] [stderr] 31 |     rand_distr::{num_traits::{Float, One, Zero}, Normal, StandardNormal, Uniform},
[INFO] [stderr]    |                                           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `matchbox` (lib) generated 4 warnings (run `cargo fix --lib -p matchbox` to apply 2 suggestions)
[INFO] [stderr] warning: `matchbox` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matchbox-3473222da013b98f)
[INFO] [stderr]      Running tests/tensor_operations.rs (/opt/rustwide/target/debug/deps/tensor_operations-39fe13a2c80b1b6c)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::tensor_addition_test_shape_mismatch ... ok
[INFO] [stdout] test tests::tensor_element_wise_addition_2x2 ... ok
[INFO] [stdout] test tests::tensor_info ... ok
[INFO] [stdout] test tests::tensor_element_wise_addition_4x3 ... ok
[INFO] [stdout] test tests::tensor_uniform_random ... ok
[INFO] [stdout] test tests::tensor_normal_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matchbox
[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" "dec9867a0af439e3460be2c16a678c9b2d6037bd3864be6053bc07f49b2415bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec9867a0af439e3460be2c16a678c9b2d6037bd3864be6053bc07f49b2415bb", kill_on_drop: false }`
[INFO] [stdout] dec9867a0af439e3460be2c16a678c9b2d6037bd3864be6053bc07f49b2415bb
