[INFO] fetching crate fast-neural-network 0.7.0...
[INFO] testing fast-neural-network-0.7.0 against 1.94.0 for beta-1.95-1
[INFO] extracting crate fast-neural-network 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate fast-neural-network 0.7.0
[INFO] finished tweaking crates.io crate fast-neural-network 0.7.0
[INFO] tweaked toml for crates.io crate fast-neural-network 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-neural-network 0.7.0 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fast-neural-network 0.7.0 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "inspect" "408ebb045c5d214ec7eee8b95749a37ed24f073c5fab4256eff345dd6302aa40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408ebb045c5d214ec7eee8b95749a37ed24f073c5fab4256eff345dd6302aa40", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.98s
[INFO] running `Command { std: "docker" "inspect" "c420cdd5670d4c39e08f0e29110cfe2739dc8127c9f8fc6c9d1bfdb5e2fecef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c420cdd5670d4c39e08f0e29110cfe2739dc8127c9f8fc6c9d1bfdb5e2fecef5", kill_on_drop: false }`
[INFO] [stdout] c420cdd5670d4c39e08f0e29110cfe2739dc8127c9f8fc6c9d1bfdb5e2fecef5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc711a6046347b66db1fe7c93a68ecc71212a38a99aa2a735bee416ee565384a
[INFO] running `Command { std: "docker" "start" "-a" "bc711a6046347b66db1fe7c93a68ecc71212a38a99aa2a735bee416ee565384a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_neural_network-3234be58715f3281)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fast_neural_network-2f973d6fa4f8285a)
[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] [stderr]    Doc-tests fast_neural_network
[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 11 tests
[INFO] [stdout] test src/neural_network.rs - neural_network::Network::forward (line 339) ... FAILED
[INFO] [stdout] test src/neural_network.rs - neural_network::Network::save (line 153) ... FAILED
[INFO] [stdout] test src/neural_network.rs - neural_network::Network::new_with_layers (line 107) ... ok
[INFO] [stdout] test src/neural_network.rs - neural_network::Network::add_hidden_layer_with_size (line 182) ... ok
[INFO] [stdout] test src/neural_network.rs - neural_network::Network::load (line 140) ... ok
[INFO] [stdout] test src/neural_network.rs - neural_network::Network::compile (line 198) ... ok
[INFO] [stdout] test src/neural_network.rs - neural_network::Layer::from_vec (line 46) ... ok
[INFO] [stdout] test src/neural_network.rs - neural_network::Network::train (line 437) ... ok
[INFO] [stdout] test src/neural_network.rs - neural_network::Layer::new (line 28) ... ok
[INFO] [stdout] test src/neural_network.rs - neural_network::Network::new (line 80) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/neural_network.rs - neural_network::Network::forward (line 339) stdout ----
[INFO] [stdout] error: cannot find macro `array` in this scope
[INFO] [stdout]    --> src/neural_network.rs:346:35
[INFO] [stdout]     |
[INFO] [stdout] 346 | let prediction = network.forward(&array![2., 1., -1.]);
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 339 + use ndarray::array;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Network`
[INFO] [stdout]    --> src/neural_network.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 | let mut network = Network::new(3, 1, ActivationType::Relu, 0.005);
[INFO] [stdout]     |                   ^^^^^^^ use of undeclared type `Network`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 339 + use fast_neural_network::neural_network::Network;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ActivationType`
[INFO] [stdout]    --> src/neural_network.rs:342:38
[INFO] [stdout]     |
[INFO] [stdout] 342 | let mut network = Network::new(3, 1, ActivationType::Relu, 0.005);
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^ use of undeclared type `ActivationType`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 339 + use fast_neural_network::activation::ActivationType;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/neural_network.rs - neural_network::Network::save (line 153) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (154) panicked at src/neural_network.rs:162:36:
[INFO] [stdout] Unable to write file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c267ec8b92 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55c267ec8b92 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55c267ec8b92 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55c267ec8b92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55c267ed841a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55c267ed841a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x55c267ea2cc6 - std::io::default_write_fmt::hd49a3027caaa0994
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55c267ea2cc6 - std::io::Write::write_fmt::h6f0185aecf0ed75f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x55c267ead5d9 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55c267ead5d9 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55c267ead439 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x55c267ead8cb - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x55c267ead698 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x55c267ea9829 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x55c267e97a9d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x55c267edb82c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x55c267edb0a2 - core::result::unwrap_failed::hf2d1f30a3ac850fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x55c267e7210c - core::result::Result<T,E>::expect::hc81c4c0c85998f20
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x55c267e621b4 - fast_neural_network::neural_network::Network::save::h3a702d08f4be842a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/neural_network.rs:162:36
[INFO] [stdout]   19:     0x55c267e610d9 - rust_out::main::_doctest_main_src_neural_network_rs_153_0::h2d0a76a7fb9fecf2
[INFO] [stdout]   20:     0x55c267e61086 - rust_out::main::h1d5d9cc717612345
[INFO] [stdout]   21:     0x55c267e61063 - core::ops::function::FnOnce::call_once::he8fbd57a2bdb8de4
[INFO] [stdout]   22:     0x55c267e61006 - std::sys::backtrace::__rust_begin_short_backtrace::h3d7d4fbbe21d8c6a
[INFO] [stdout]   23:     0x55c267e60fe9 - std::rt::lang_start::{{closure}}::he8b303f9f75577a3
[INFO] [stdout]   24:     0x55c267ea41c6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6cf6e1b4b1f98539
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   25:     0x55c267ea41c6 - std::panicking::catch_unwind::do_call::h174840425564edbd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55c267ea41c6 - std::panicking::catch_unwind::had0fde8b5d7282ba
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   27:     0x55c267ea41c6 - std::panic::catch_unwind::hdb1c6876cc6d1988
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x55c267ea41c6 - std::rt::lang_start_internal::{{closure}}::h9a3342d69e945811
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:175:24
[INFO] [stdout]   29:     0x55c267ea41c6 - std::panicking::catch_unwind::do_call::haba617e1655662f0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x55c267ea41c6 - std::panicking::catch_unwind::hdcb3b0cdc4ef023b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x55c267ea41c6 - std::panic::catch_unwind::hd7496902866db161
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x55c267ea41c6 - std::rt::lang_start_internal::h9f282d832ae47dd5
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:171:5
[INFO] [stdout]   33:     0x55c267e60fd1 - std::rt::lang_start::h0508fb788dac5655
[INFO] [stdout]   34:     0x55c267e61145 - main
[INFO] [stdout]   35:     0x731ad7c071ca - <unknown>
[INFO] [stdout]   36:     0x731ad7c0728b - __libc_start_main
[INFO] [stdout]   37:     0x55c267e60ee5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] for [0.000, 0.000], [0.000] -> [[[0.000]]]
[INFO] [stdout] for [1.000, 0.000], [1.000] -> [[[1.000]]]
[INFO] [stdout] for [0.000, 1.000], [1.000] -> [[[1.000]]]
[INFO] [stdout] for [1.000, 1.000], [0.000] -> [[[0.000]]]
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (360) panicked at src/neural_network.rs:162:36:
[INFO] [stdout] Unable to write file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a877e940e62 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a877e940e62 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a877e940e62 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a877e940e62 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a877e951a6a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a877e951a6a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x5a877e9193b6 - std::io::default_write_fmt::hd49a3027caaa0994
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a877e9193b6 - std::io::Write::write_fmt::h6f0185aecf0ed75f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a877e924b09 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a877e924b09 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a877e924969 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5a877e924dfb - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5a877e924bc8 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5a877e920a59 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5a877e90e18d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5a877e958e9c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5a877e9586d2 - core::result::unwrap_failed::hf2d1f30a3ac850fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5a877e8a82fc - core::result::Result<T,E>::expect::hc81c4c0c85998f20
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x5a877e8ae0b4 - fast_neural_network::neural_network::Network::save::h3a702d08f4be842a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/neural_network.rs:162:36
[INFO] [stdout]   19:     0x5a877e84ed8c - rust_out::main::h1d5d9cc717612345
[INFO] [stdout]   20:     0x5a877e84d733 - core::ops::function::FnOnce::call_once::he8fbd57a2bdb8de4
[INFO] [stdout]   21:     0x5a877e84d616 - std::sys::backtrace::__rust_begin_short_backtrace::h3d7d4fbbe21d8c6a
[INFO] [stdout]   22:     0x5a877e84d5f9 - std::rt::lang_start::{{closure}}::he8b303f9f75577a3
[INFO] [stdout]   23:     0x5a877e91aad6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6cf6e1b4b1f98539
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x5a877e91aad6 - std::panicking::catch_unwind::do_call::h174840425564edbd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   25:     0x5a877e91aad6 - std::panicking::catch_unwind::had0fde8b5d7282ba
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   26:     0x5a877e91aad6 - std::panic::catch_unwind::hdb1c6876cc6d1988
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x5a877e91aad6 - std::rt::lang_start_internal::{{closure}}::h9a3342d69e945811
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x5a877e91aad6 - std::panicking::catch_unwind::do_call::haba617e1655662f0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5a877e91aad6 - std::panicking::catch_unwind::hdcb3b0cdc4ef023b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5a877e91aad6 - std::panic::catch_unwind::hd7496902866db161
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5a877e91aad6 - std::rt::lang_start_internal::h9f282d832ae47dd5
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x5a877e84d5e1 - std::rt::lang_start::h0508fb788dac5655
[INFO] [stdout]   33:     0x5a877e84f075 - main
[INFO] [stdout]   34:     0x7cabc50fd1ca - <unknown>
[INFO] [stdout]   35:     0x7cabc50fd28b - __libc_start_main
[INFO] [stdout]   36:     0x5a877e84d465 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout]     src/neural_network.rs - neural_network::Network::forward (line 339)
[INFO] [stdout]     src/neural_network.rs - neural_network::Network::save (line 153)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bc711a6046347b66db1fe7c93a68ecc71212a38a99aa2a735bee416ee565384a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc711a6046347b66db1fe7c93a68ecc71212a38a99aa2a735bee416ee565384a", kill_on_drop: false }`
[INFO] [stdout] bc711a6046347b66db1fe7c93a68ecc71212a38a99aa2a735bee416ee565384a
