[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#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[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 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.15.0
[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] [stderr]   Downloaded plotlib v0.5.1
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35e09d8cadfee26b6479d53e2897302aabd6691a0755ed367038cab994a3d37e
[INFO] running `Command { std: "docker" "start" "-a" "35e09d8cadfee26b6479d53e2897302aabd6691a0755ed367038cab994a3d37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e09d8cadfee26b6479d53e2897302aabd6691a0755ed367038cab994a3d37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e09d8cadfee26b6479d53e2897302aabd6691a0755ed367038cab994a3d37e", kill_on_drop: false }`
[INFO] [stdout] 35e09d8cadfee26b6479d53e2897302aabd6691a0755ed367038cab994a3d37e
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a489b8929ffd6be77ad259c9543160286213318f81c049602755fadda4f173c0
[INFO] running `Command { std: "docker" "start" "-a" "a489b8929ffd6be77ad259c9543160286213318f81c049602755fadda4f173c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling libm v0.2.11
[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 unicode-xid v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling svg v0.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[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 num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling rand v0.8.5
[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 12.24s
[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" "a489b8929ffd6be77ad259c9543160286213318f81c049602755fadda4f173c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a489b8929ffd6be77ad259c9543160286213318f81c049602755fadda4f173c0", kill_on_drop: false }`
[INFO] [stdout] a489b8929ffd6be77ad259c9543160286213318f81c049602755fadda4f173c0
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 522c906bf3eeeb2e7213defa625f5a7c77fa1b3b70bbc7da599529a6a1e7a3dd
[INFO] running `Command { std: "docker" "start" "-a" "522c906bf3eeeb2e7213defa625f5a7c77fa1b3b70bbc7da599529a6a1e7a3dd", 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)]` (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] [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 1.18s
[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" "522c906bf3eeeb2e7213defa625f5a7c77fa1b3b70bbc7da599529a6a1e7a3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522c906bf3eeeb2e7213defa625f5a7c77fa1b3b70bbc7da599529a6a1e7a3dd", kill_on_drop: false }`
[INFO] [stdout] 522c906bf3eeeb2e7213defa625f5a7c77fa1b3b70bbc7da599529a6a1e7a3dd
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83739ccc456ee8cda6c01a5542965b50d57becaf96b3b28a1088ed1c832e3549
[INFO] running `Command { std: "docker" "start" "-a" "83739ccc456ee8cda6c01a5542965b50d57becaf96b3b28a1088ed1c832e3549", 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 0.06s
[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] [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-39fe13a2c80b1b6c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::tensor_element_wise_addition_2x2 ... ok
[INFO] [stdout] test tests::tensor_addition_test_shape_mismatch ... ok
[INFO] [stdout] test tests::tensor_normal_random ... ok
[INFO] [stdout] test tests::tensor_element_wise_addition_4x3 ... ok
[INFO] [stdout] test tests::tensor_info ... ok
[INFO] [stdout] test tests::tensor_uniform_random ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--test tensor_operations`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::tensor_uniform_random stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::tensor_uniform_random' (31) panicked at tests/tensor_operations.rs:78:9:
[INFO] [stdout] assertion failed: mean_a.abs() < 0.05
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x598df9f79f32 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x598df9f79f32 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x598df9f79f32 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x598df9f79f32 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x598df9f8f3ba - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x598df9f8f3ba - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x598df9f7ede6 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x598df9f7ede6 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x598df9f585ef - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x598df9f585ef - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x598df9f72139 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x598df9ecd8ce - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x598df9ecd8ce - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x598df9f722f2 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x598df9f722f2 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x598df9f586da - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x598df9f4d8f9 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x598df9f594fd - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x598df9f8fa8c - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x598df9f8fa52 - core[27de1724e4349be2]::panicking::panic
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x598df9ebe015 - tensor_operations[a6e2ffa36d8c8464]::tests::tensor_uniform_random
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/tensor_operations.rs:78:9
[INFO] [stdout]   21:     0x598df9ebc0f7 - tensor_operations[a6e2ffa36d8c8464]::tests::tensor_uniform_random::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/tensor_operations.rs:71:35
[INFO] [stdout]   22:     0x598df9ea8e26 - <tensor_operations[a6e2ffa36d8c8464]::tests::tensor_uniform_random::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x598df9ec1c7b - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x598df9ec1c7b - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x598df9ece4da - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x598df9ece4da - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x598df9ece4da - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x598df9ece4da - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x598df9ece4da - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x598df9ece4da - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x598df9ece4da - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x598df9ec9a84 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x598df9ec9a84 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x598df9ed0fd2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x598df9ed0fd2 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x598df9ed0fd2 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x598df9ed0fd2 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x598df9ed0fd2 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x598df9ed0fd2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x598df9ed0fd2 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x598df9f797df - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x598df9f797df - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   43:     0x79ae1b322aa4 - <unknown>
[INFO] [stdout]   44:     0x79ae1b3afa64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::tensor_uniform_random
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83739ccc456ee8cda6c01a5542965b50d57becaf96b3b28a1088ed1c832e3549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83739ccc456ee8cda6c01a5542965b50d57becaf96b3b28a1088ed1c832e3549", kill_on_drop: false }`
[INFO] [stdout] 83739ccc456ee8cda6c01a5542965b50d57becaf96b3b28a1088ed1c832e3549
