[INFO] updating cached repository aleozlx/la-tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aleozlx/la-tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aleozlx/la-tutorial" "work/ex/beta-1.38-1/sources/1.37.0/gh/aleozlx/la-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aleozlx/la-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aleozlx/la-tutorial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aleozlx/la-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aleozlx/la-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24e0dd0f732059a65725fd85e9d5522291750bd8
[INFO] sha for GitHub repo aleozlx/la-tutorial: 24e0dd0f732059a65725fd85e9d5522291750bd8
[INFO] validating manifest of aleozlx/la-tutorial 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 aleozlx/la-tutorial 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 aleozlx/la-tutorial
[INFO] finished frobbing aleozlx/la-tutorial
[INFO] frobbed toml for aleozlx/la-tutorial written to work/ex/beta-1.38-1/sources/1.37.0/gh/aleozlx/la-tutorial/Cargo.toml
[INFO] started frobbing aleozlx/la-tutorial
[INFO] finished frobbing aleozlx/la-tutorial
[INFO] frobbed toml for aleozlx/la-tutorial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aleozlx/la-tutorial/Cargo.toml
[INFO] crate aleozlx/la-tutorial 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 aleozlx/la-tutorial 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-3/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/aleozlx/la-tutorial:/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] a3498e48d51d6da0deffb39ad94642c2599af9ffaed31d82f324f3d71a9bce22
[INFO] running `"docker" "start" "-a" "a3498e48d51d6da0deffb39ad94642c2599af9ffaed31d82f324f3d71a9bce22"`
[INFO] [stderr]    Compiling la-tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:39
[INFO] [stderr]    |
[INFO] [stderr] 54 |     unsafe fn s_product_sum(out: &mut IColumnVector, a: &Matrix, b: &IColumnVector, j: usize) {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn IColumnVector`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:70
[INFO] [stderr]    |
[INFO] [stderr] 54 |     unsafe fn s_product_sum(out: &mut IColumnVector, a: &Matrix, b: &IColumnVector, j: usize) {
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn IColumnVector`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `transpose`
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn transpose(&self) -> Matrix {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `linear_regression`
[INFO] [stderr]    --> src/main.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn linear_regression(&self, y: &Vec<f32>, theta: &mut Vec<f32>){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "a3498e48d51d6da0deffb39ad94642c2599af9ffaed31d82f324f3d71a9bce22"`
[INFO] running `"docker" "rm" "-f" "a3498e48d51d6da0deffb39ad94642c2599af9ffaed31d82f324f3d71a9bce22"`
[INFO] [stdout] a3498e48d51d6da0deffb39ad94642c2599af9ffaed31d82f324f3d71a9bce22
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/aleozlx/la-tutorial:/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] fd8c81761271c0133119506ef4ec0f8cc50301b6168dd0c91a5984fbc7b8ade3
[INFO] running `"docker" "start" "-a" "fd8c81761271c0133119506ef4ec0f8cc50301b6168dd0c91a5984fbc7b8ade3"`
[INFO] [stderr]    Compiling la-tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:39
[INFO] [stderr]    |
[INFO] [stderr] 54 |     unsafe fn s_product_sum(out: &mut IColumnVector, a: &Matrix, b: &IColumnVector, j: usize) {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn IColumnVector`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:70
[INFO] [stderr]    |
[INFO] [stderr] 54 |     unsafe fn s_product_sum(out: &mut IColumnVector, a: &Matrix, b: &IColumnVector, j: usize) {
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn IColumnVector`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `transpose`
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn transpose(&self) -> Matrix {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `linear_regression`
[INFO] [stderr]    --> src/main.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn linear_regression(&self, y: &Vec<f32>, theta: &mut Vec<f32>){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "fd8c81761271c0133119506ef4ec0f8cc50301b6168dd0c91a5984fbc7b8ade3"`
[INFO] running `"docker" "rm" "-f" "fd8c81761271c0133119506ef4ec0f8cc50301b6168dd0c91a5984fbc7b8ade3"`
[INFO] [stdout] fd8c81761271c0133119506ef4ec0f8cc50301b6168dd0c91a5984fbc7b8ade3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/aleozlx/la-tutorial:/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] fcfcf0995d31d3410d73780d207168ed1699512de146f9e5e239affedfb5f364
[INFO] running `"docker" "start" "-a" "fcfcf0995d31d3410d73780d207168ed1699512de146f9e5e239affedfb5f364"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/la_tutorial-141199c5c981b4f9
[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" "fcfcf0995d31d3410d73780d207168ed1699512de146f9e5e239affedfb5f364"`
[INFO] running `"docker" "rm" "-f" "fcfcf0995d31d3410d73780d207168ed1699512de146f9e5e239affedfb5f364"`
[INFO] [stdout] fcfcf0995d31d3410d73780d207168ed1699512de146f9e5e239affedfb5f364