[INFO] cloning repository aleozlx/la-tutorial
[INFO] running `"git" "clone" "--bare" "git://github.com/aleozlx/la-tutorial.git" "work/cache/sources/gh/aleozlx/la-tutorial"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/aleozlx/la-tutorial'...
[INFO] running `"git" "clone" "work/cache/sources/gh/aleozlx/la-tutorial" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/aleozlx/la-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/aleozlx/la-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aleozlx/la-tutorial" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/aleozlx/la-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aleozlx/la-tutorial on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing aleozlx/la-tutorial against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 12e4c33d4f299d192fa5bcc0b9740ab0f8ab1fbafe22d5cfdf1e501d722185f2
[INFO] running `"docker" "start" "-a" "12e4c33d4f299d192fa5bcc0b9740ab0f8ab1fbafe22d5cfdf1e501d722185f2"`
[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 1.23s
[INFO] running `"docker" "inspect" "12e4c33d4f299d192fa5bcc0b9740ab0f8ab1fbafe22d5cfdf1e501d722185f2"`
[INFO] running `"docker" "rm" "-f" "12e4c33d4f299d192fa5bcc0b9740ab0f8ab1fbafe22d5cfdf1e501d722185f2"`
[INFO] [stdout] 12e4c33d4f299d192fa5bcc0b9740ab0f8ab1fbafe22d5cfdf1e501d722185f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 275f3ebbf034b09a6afe45ccd88ecc85c035f9f63fc3a757bc17cecbc191713d
[INFO] running `"docker" "start" "-a" "275f3ebbf034b09a6afe45ccd88ecc85c035f9f63fc3a757bc17cecbc191713d"`
[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 0.71s
[INFO] running `"docker" "inspect" "275f3ebbf034b09a6afe45ccd88ecc85c035f9f63fc3a757bc17cecbc191713d"`
[INFO] running `"docker" "rm" "-f" "275f3ebbf034b09a6afe45ccd88ecc85c035f9f63fc3a757bc17cecbc191713d"`
[INFO] [stdout] 275f3ebbf034b09a6afe45ccd88ecc85c035f9f63fc3a757bc17cecbc191713d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 3a32f5842e9fe038f75480e930530783259f5ccd7228947ec095634ac7d4bf44
[INFO] running `"docker" "start" "-a" "3a32f5842e9fe038f75480e930530783259f5ccd7228947ec095634ac7d4bf44"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/la_tutorial-579b44108e16641c
[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" "3a32f5842e9fe038f75480e930530783259f5ccd7228947ec095634ac7d4bf44"`
[INFO] running `"docker" "rm" "-f" "3a32f5842e9fe038f75480e930530783259f5ccd7228947ec095634ac7d4bf44"`
[INFO] [stdout] 3a32f5842e9fe038f75480e930530783259f5ccd7228947ec095634ac7d4bf44