[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#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanko-dev%2Fmatchbox" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Janko-dev/matchbox on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41fa53a29657d04181e92f044552a22b370414dcbcacc861066cbcec78a57096
[INFO] running `Command { std: "docker" "start" "-a" "41fa53a29657d04181e92f044552a22b370414dcbcacc861066cbcec78a57096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41fa53a29657d04181e92f044552a22b370414dcbcacc861066cbcec78a57096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41fa53a29657d04181e92f044552a22b370414dcbcacc861066cbcec78a57096", kill_on_drop: false }`
[INFO] [stdout] 41fa53a29657d04181e92f044552a22b370414dcbcacc861066cbcec78a57096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 358ff42fb5eb26913c2951ac012639cf1722a90cafc36790f7614e09dbe79629
[INFO] running `Command { std: "docker" "start" "-a" "358ff42fb5eb26913c2951ac012639cf1722a90cafc36790f7614e09dbe79629", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling svg v0.7.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling rand v0.8.5
[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 backtrace v0.3.71
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling plotlib v0.5.1
[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)]` 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 52.62s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "358ff42fb5eb26913c2951ac012639cf1722a90cafc36790f7614e09dbe79629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "358ff42fb5eb26913c2951ac012639cf1722a90cafc36790f7614e09dbe79629", kill_on_drop: false }`
[INFO] [stdout] 358ff42fb5eb26913c2951ac012639cf1722a90cafc36790f7614e09dbe79629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0af13db4b26aee33342edeb6365ed9ad6d141b2d0034727d62fc11337e316777
[INFO] running `Command { std: "docker" "start" "-a" "0af13db4b26aee33342edeb6365ed9ad6d141b2d0034727d62fc11337e316777", kill_on_drop: false }`
[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)]` 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] [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)]` 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 2.64s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "0af13db4b26aee33342edeb6365ed9ad6d141b2d0034727d62fc11337e316777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af13db4b26aee33342edeb6365ed9ad6d141b2d0034727d62fc11337e316777", kill_on_drop: false }`
[INFO] [stdout] 0af13db4b26aee33342edeb6365ed9ad6d141b2d0034727d62fc11337e316777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0b78de1ca1ba47a747b36667b0b8aa4eeef28267853856d84536feea5bb7aa4
[INFO] running `Command { std: "docker" "start" "-a" "a0b78de1ca1ba47a747b36667b0b8aa4eeef28267853856d84536feea5bb7aa4", 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)]` 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 0.07s
[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 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matchbox-cfca902f992baf01)
[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]      Running tests/tensor_operations.rs (/opt/rustwide/target/debug/deps/tensor_operations-dbb2034e91f641fd)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::tensor_element_wise_addition_2x2 ... ok
[INFO] [stdout] test tests::tensor_uniform_random ... ok
[INFO] [stdout] test tests::tensor_addition_test_shape_mismatch ... ok
[INFO] [stdout] test tests::tensor_element_wise_addition_4x3 ... ok
[INFO] [stdout] test tests::tensor_info ... ok
[INFO] [stdout] test tests::tensor_normal_random ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::tensor_normal_random stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::tensor_normal_random' panicked at tests/tensor_operations.rs:65:9:
[INFO] [stdout] assertion failed: mean_a.abs() < 0.05
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61719034d582 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61719034d582 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61719034d582 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61719034d582 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x617190373193 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x617190373193 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x61719034a513 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61719034a513 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61719034d3d2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61719034eafc - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x61719034e952 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x617190312644 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x617190312644 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61719034f5db - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x61719034f5db - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x61719034f276 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x61719034da79 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x61719034ef3d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x617190371930 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x61719037199c - core::panicking::panic::hd2a569f4f37f7e10
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x6171902d7fa8 - tensor_operations::tests::tensor_normal_random::hbbe36bdcdfea4dec
[INFO] [stdout]   21:     0x6171902d0c49 - tensor_operations::tests::tensor_normal_random::{{closure}}::h49d699d5901292b6
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/tensor_operations.rs:58:34
[INFO] [stdout]   22:     0x6171902d0c49 - core::ops::function::FnOnce::call_once::h8773a9f5444845a6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x617190317d7b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x617190317d7b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x617190316fbe - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x617190316fbe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x617190316fbe - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x617190316fbe - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x617190316fbe - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x617190316fbe - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x617190316fbe - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x6171902dab64 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x6171902dab64 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x6171902de50a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x6171902de50a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x6171902de50a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x6171902de50a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x6171902de50a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x6171902de50a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x6171902de50a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x617190352537 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x617190352537 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x617190352537 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   44:     0x7afffd65baa4 - <unknown>
[INFO] [stdout]   45:     0x7afffd6e8a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::tensor_normal_random
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test tensor_operations`
[INFO] running `Command { std: "docker" "inspect" "a0b78de1ca1ba47a747b36667b0b8aa4eeef28267853856d84536feea5bb7aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b78de1ca1ba47a747b36667b0b8aa4eeef28267853856d84536feea5bb7aa4", kill_on_drop: false }`
[INFO] [stdout] a0b78de1ca1ba47a747b36667b0b8aa4eeef28267853856d84536feea5bb7aa4
