[INFO] updating cached repository cedrou/nn-from-scratch-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cedrou/nn-from-scratch-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cedrou/nn-from-scratch-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/cedrou/nn-from-scratch-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cedrou/nn-from-scratch-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cedrou/nn-from-scratch-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cedrou/nn-from-scratch-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cedrou/nn-from-scratch-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 823d35982e9e1c6e5acbdb30bf1c8b587d0d60b9
[INFO] sha for GitHub repo cedrou/nn-from-scratch-rs: 823d35982e9e1c6e5acbdb30bf1c8b587d0d60b9
[INFO] validating manifest of cedrou/nn-from-scratch-rs 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 cedrou/nn-from-scratch-rs 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 cedrou/nn-from-scratch-rs
[INFO] finished frobbing cedrou/nn-from-scratch-rs
[INFO] frobbed toml for cedrou/nn-from-scratch-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/cedrou/nn-from-scratch-rs/Cargo.toml
[INFO] started frobbing cedrou/nn-from-scratch-rs
[INFO] finished frobbing cedrou/nn-from-scratch-rs
[INFO] frobbed toml for cedrou/nn-from-scratch-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cedrou/nn-from-scratch-rs/Cargo.toml
[INFO] crate cedrou/nn-from-scratch-rs 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 cedrou/nn-from-scratch-rs 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-4/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/cedrou/nn-from-scratch-rs:/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] 918e8378b1d8883cb3bf5690ffab44c915c3767daa1154cff1c4d5064b37d8f8
[INFO] running `"docker" "start" "-a" "918e8378b1d8883cb3bf5690ffab44c915c3767daa1154cff1c4d5064b37d8f8"`
[INFO] [stderr]    Compiling nn-from-scratch-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "918e8378b1d8883cb3bf5690ffab44c915c3767daa1154cff1c4d5064b37d8f8"`
[INFO] running `"docker" "rm" "-f" "918e8378b1d8883cb3bf5690ffab44c915c3767daa1154cff1c4d5064b37d8f8"`
[INFO] [stdout] 918e8378b1d8883cb3bf5690ffab44c915c3767daa1154cff1c4d5064b37d8f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/cedrou/nn-from-scratch-rs:/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] 51ff90eabc484f13259bd9cecc713c5fdb6bed045061b9b1855827a3fcf20cf3
[INFO] running `"docker" "start" "-a" "51ff90eabc484f13259bd9cecc713c5fdb6bed045061b9b1855827a3fcf20cf3"`
[INFO] [stderr]    Compiling nn-from-scratch-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "51ff90eabc484f13259bd9cecc713c5fdb6bed045061b9b1855827a3fcf20cf3"`
[INFO] running `"docker" "rm" "-f" "51ff90eabc484f13259bd9cecc713c5fdb6bed045061b9b1855827a3fcf20cf3"`
[INFO] [stdout] 51ff90eabc484f13259bd9cecc713c5fdb6bed045061b9b1855827a3fcf20cf3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/cedrou/nn-from-scratch-rs:/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] 2803922549a5a5d35a68f8e2d30fab689650fb0048934f61125ac94b6aba6138
[INFO] running `"docker" "start" "-a" "2803922549a5a5d35a68f8e2d30fab689650fb0048934f61125ac94b6aba6138"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nn_from_scratch_rs-b7a6b5568733b150
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test linspace_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2803922549a5a5d35a68f8e2d30fab689650fb0048934f61125ac94b6aba6138"`
[INFO] running `"docker" "rm" "-f" "2803922549a5a5d35a68f8e2d30fab689650fb0048934f61125ac94b6aba6138"`
[INFO] [stdout] 2803922549a5a5d35a68f8e2d30fab689650fb0048934f61125ac94b6aba6138