[INFO] updating cached repository zer0jump/NeuralRust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zer0jump/NeuralRust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zer0jump/NeuralRust" "work/ex/beta-1.38-1/sources/1.37.0/gh/zer0jump/NeuralRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zer0jump/NeuralRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zer0jump/NeuralRust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zer0jump/NeuralRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zer0jump/NeuralRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f4c0639d6040b38085ab65a5447e61a157f384f
[INFO] sha for GitHub repo zer0jump/NeuralRust: 4f4c0639d6040b38085ab65a5447e61a157f384f
[INFO] validating manifest of zer0jump/NeuralRust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zer0jump/NeuralRust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zer0jump/NeuralRust
[INFO] finished frobbing zer0jump/NeuralRust
[INFO] frobbed toml for zer0jump/NeuralRust written to work/ex/beta-1.38-1/sources/1.37.0/gh/zer0jump/NeuralRust/Cargo.toml
[INFO] started frobbing zer0jump/NeuralRust
[INFO] finished frobbing zer0jump/NeuralRust
[INFO] frobbed toml for zer0jump/NeuralRust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zer0jump/NeuralRust/Cargo.toml
[INFO] crate zer0jump/NeuralRust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zer0jump/NeuralRust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zer0jump/NeuralRust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bd820ab8ae54f4a10d0ba499d3b67efaf0e632f55fea8e13b34fd85d2ce31f47
[INFO] running `"docker" "start" "-a" "bd820ab8ae54f4a10d0ba499d3b67efaf0e632f55fea8e13b34fd85d2ce31f47"`
[INFO] [stderr]    Compiling neural_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:128:38
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn print(&self, stream: &mut io::Write) {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |         for n in 0..self.width {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/lib.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 for k in 0..delta {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 stream.write(buf.as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |             stream.write(b"\n");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "bd820ab8ae54f4a10d0ba499d3b67efaf0e632f55fea8e13b34fd85d2ce31f47"`
[INFO] running `"docker" "rm" "-f" "bd820ab8ae54f4a10d0ba499d3b67efaf0e632f55fea8e13b34fd85d2ce31f47"`
[INFO] [stdout] bd820ab8ae54f4a10d0ba499d3b67efaf0e632f55fea8e13b34fd85d2ce31f47
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zer0jump/NeuralRust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] dd985b80ea20eb3bcb34f9f83d4d4e2296975defb433bca9c5f5cd8a26c6ae0b
[INFO] running `"docker" "start" "-a" "dd985b80ea20eb3bcb34f9f83d4d4e2296975defb433bca9c5f5cd8a26c6ae0b"`
[INFO] [stderr]    Compiling neural_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:128:38
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn print(&self, stream: &mut io::Write) {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |         for n in 0..self.width {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/lib.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 for k in 0..delta {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 stream.write(buf.as_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |             stream.write(b"\n");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "dd985b80ea20eb3bcb34f9f83d4d4e2296975defb433bca9c5f5cd8a26c6ae0b"`
[INFO] running `"docker" "rm" "-f" "dd985b80ea20eb3bcb34f9f83d4d4e2296975defb433bca9c5f5cd8a26c6ae0b"`
[INFO] [stdout] dd985b80ea20eb3bcb34f9f83d4d4e2296975defb433bca9c5f5cd8a26c6ae0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zer0jump/NeuralRust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f2b9775c4dff1df9219cc5ee6f469293d2ac9a1ddece4d7537e406a6b125d66a
[INFO] running `"docker" "start" "-a" "f2b9775c4dff1df9219cc5ee6f469293d2ac9a1ddece4d7537e406a6b125d66a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/neural_rust-1a944e183ae19076
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_apply_function ... ok
[INFO] [stdout] test test_new ... ok
[INFO] [stdout] test test_subtract ... ok
[INFO] [stdout] test test_multiply ... ok
[INFO] [stdout] test test_from_array ... ok
[INFO] [stdout] test test_transpose ... ok
[INFO] [stdout] test test_print ... ok
[INFO] [stdout] test test_dot ... ok
[INFO] [stdout] test test_matrix_multiply ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/neural_rust-a611634ff8bb6295
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neural_rust
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f2b9775c4dff1df9219cc5ee6f469293d2ac9a1ddece4d7537e406a6b125d66a"`
[INFO] running `"docker" "rm" "-f" "f2b9775c4dff1df9219cc5ee6f469293d2ac9a1ddece4d7537e406a6b125d66a"`
[INFO] [stdout] f2b9775c4dff1df9219cc5ee6f469293d2ac9a1ddece4d7537e406a6b125d66a