[INFO] cloning repository tuvistavie/rust-simple-nn
[INFO] running `"git" "clone" "--bare" "git://github.com/tuvistavie/rust-simple-nn.git" "work/cache/sources/gh/tuvistavie/rust-simple-nn"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tuvistavie/rust-simple-nn'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tuvistavie/rust-simple-nn" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/tuvistavie/rust-simple-nn"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/tuvistavie/rust-simple-nn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tuvistavie/rust-simple-nn" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/tuvistavie/rust-simple-nn"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/tuvistavie/rust-simple-nn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45fb6576aab9a572d0bc0e416ba286983cfdd95b
[INFO] sha for GitHub repo tuvistavie/rust-simple-nn: 45fb6576aab9a572d0bc0e416ba286983cfdd95b
[INFO] validating manifest of tuvistavie/rust-simple-nn on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tuvistavie/rust-simple-nn on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tuvistavie/rust-simple-nn
[INFO] finished frobbing tuvistavie/rust-simple-nn
[INFO] frobbed toml for tuvistavie/rust-simple-nn written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/tuvistavie/rust-simple-nn/Cargo.toml
[INFO] started frobbing tuvistavie/rust-simple-nn
[INFO] finished frobbing tuvistavie/rust-simple-nn
[INFO] frobbed toml for tuvistavie/rust-simple-nn written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/tuvistavie/rust-simple-nn/Cargo.toml
[INFO] crate tuvistavie/rust-simple-nn has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tuvistavie/rust-simple-nn against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-0/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/tuvistavie/rust-simple-nn:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 680aa5c6a28dc8962dd0f5f28782837a5c204b0c11259b679e12cdb8b4f3b9e2
[INFO] running `"docker" "start" "-a" "680aa5c6a28dc8962dd0f5f28782837a5c204b0c11259b679e12cdb8b4f3b9e2"`
[INFO] [stderr]     Checking simple_nn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> tests/linalg_matrix.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     &matrix + &other;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `"docker" "inspect" "680aa5c6a28dc8962dd0f5f28782837a5c204b0c11259b679e12cdb8b4f3b9e2"`
[INFO] running `"docker" "rm" "-f" "680aa5c6a28dc8962dd0f5f28782837a5c204b0c11259b679e12cdb8b4f3b9e2"`
[INFO] [stdout] 680aa5c6a28dc8962dd0f5f28782837a5c204b0c11259b679e12cdb8b4f3b9e2