[INFO] updating cached repository joshuamorton/rustnn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joshuamorton/rustnn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joshuamorton/rustnn" "work/ex/beta-1.38-1/sources/1.37.0/gh/joshuamorton/rustnn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/joshuamorton/rustnn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joshuamorton/rustnn" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joshuamorton/rustnn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joshuamorton/rustnn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 41e3ef22f7419fcf706ccd9cfe5c229ee9b2dc93
[INFO] sha for GitHub repo joshuamorton/rustnn: 41e3ef22f7419fcf706ccd9cfe5c229ee9b2dc93
[INFO] validating manifest of joshuamorton/rustnn 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 joshuamorton/rustnn 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 joshuamorton/rustnn
[INFO] finished frobbing joshuamorton/rustnn
[INFO] frobbed toml for joshuamorton/rustnn written to work/ex/beta-1.38-1/sources/1.37.0/gh/joshuamorton/rustnn/Cargo.toml
[INFO] started frobbing joshuamorton/rustnn
[INFO] finished frobbing joshuamorton/rustnn
[INFO] frobbed toml for joshuamorton/rustnn written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joshuamorton/rustnn/Cargo.toml
[INFO] crate joshuamorton/rustnn 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 joshuamorton/rustnn against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joshuamorton/rustnn:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 79d64966fdde05241f3bd603a5d33b0c1eb520096c3332a354f855a475b3e368
[INFO] running `"docker" "start" "-a" "79d64966fdde05241f3bd603a5d33b0c1eb520096c3332a354f855a475b3e368"`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling nn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `train`
[INFO] [stderr]    --> src/main.rs:367:5
[INFO] [stderr]     |
[INFO] [stderr] 367 |     fn train(&mut self, samples: &Vec<Vec<f32>>, outs: &Vec<Vec<f32>> ) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `"docker" "inspect" "79d64966fdde05241f3bd603a5d33b0c1eb520096c3332a354f855a475b3e368"`
[INFO] running `"docker" "rm" "-f" "79d64966fdde05241f3bd603a5d33b0c1eb520096c3332a354f855a475b3e368"`
[INFO] [stdout] 79d64966fdde05241f3bd603a5d33b0c1eb520096c3332a354f855a475b3e368
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joshuamorton/rustnn:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9ac06734a14b64b6bdb893ac817ccc4eb1a81e42a0031c7890daf5c07120fcbf
[INFO] running `"docker" "start" "-a" "9ac06734a14b64b6bdb893ac817ccc4eb1a81e42a0031c7890daf5c07120fcbf"`
[INFO] [stderr]    Compiling nn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `train`
[INFO] [stderr]    --> src/main.rs:367:5
[INFO] [stderr]     |
[INFO] [stderr] 367 |     fn train(&mut self, samples: &Vec<Vec<f32>>, outs: &Vec<Vec<f32>> ) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "9ac06734a14b64b6bdb893ac817ccc4eb1a81e42a0031c7890daf5c07120fcbf"`
[INFO] running `"docker" "rm" "-f" "9ac06734a14b64b6bdb893ac817ccc4eb1a81e42a0031c7890daf5c07120fcbf"`
[INFO] [stdout] 9ac06734a14b64b6bdb893ac817ccc4eb1a81e42a0031c7890daf5c07120fcbf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joshuamorton/rustnn:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 29184d518e5832ac91fa29cf66b707efc6277d431142dddd131616f0974c9792
[INFO] running `"docker" "start" "-a" "29184d518e5832ac91fa29cf66b707efc6277d431142dddd131616f0974c9792"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nn-187f1008b25765cc
[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" "29184d518e5832ac91fa29cf66b707efc6277d431142dddd131616f0974c9792"`
[INFO] running `"docker" "rm" "-f" "29184d518e5832ac91fa29cf66b707efc6277d431142dddd131616f0974c9792"`
[INFO] [stdout] 29184d518e5832ac91fa29cf66b707efc6277d431142dddd131616f0974c9792