[INFO] updating cached repository whytekieran/RustProgrammingLanguage-Basics
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/whytekieran/RustProgrammingLanguage-Basics
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/whytekieran/RustProgrammingLanguage-Basics" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/whytekieran/RustProgrammingLanguage-Basics"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/whytekieran/RustProgrammingLanguage-Basics'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/whytekieran/RustProgrammingLanguage-Basics" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/whytekieran/RustProgrammingLanguage-Basics"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/whytekieran/RustProgrammingLanguage-Basics'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf7cbb654ac9b7ba174d109cdfae1fa16289182c
[INFO] sha for GitHub repo whytekieran/RustProgrammingLanguage-Basics: cf7cbb654ac9b7ba174d109cdfae1fa16289182c
[INFO] validating manifest of whytekieran/RustProgrammingLanguage-Basics on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of whytekieran/RustProgrammingLanguage-Basics on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing whytekieran/RustProgrammingLanguage-Basics
[INFO] finished frobbing whytekieran/RustProgrammingLanguage-Basics
[INFO] frobbed toml for whytekieran/RustProgrammingLanguage-Basics written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/whytekieran/RustProgrammingLanguage-Basics/Cargo.toml
[INFO] started frobbing whytekieran/RustProgrammingLanguage-Basics
[INFO] finished frobbing whytekieran/RustProgrammingLanguage-Basics
[INFO] frobbed toml for whytekieran/RustProgrammingLanguage-Basics written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/whytekieran/RustProgrammingLanguage-Basics/Cargo.toml
[INFO] crate whytekieran/RustProgrammingLanguage-Basics has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing whytekieran/RustProgrammingLanguage-Basics against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/whytekieran/RustProgrammingLanguage-Basics:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] c5247ce8747c2202444f35f7568b1ce7addcc5be1313e2bdd8bf9bca4e97ffda
[INFO] running `"docker" "start" "-a" "c5247ce8747c2202444f35f7568b1ce7addcc5be1313e2bdd8bf9bca4e97ffda"`
[INFO] [stderr]    Compiling 2_rust_basics v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `acceptdarray`
[INFO] [stderr]    --> src/main.rs:479:1
[INFO] [stderr]     |
[INFO] [stderr] 479 | fn acceptdarray(x: &mut [[i32; 4]]) -> &[[i32; 4]] {  
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "c5247ce8747c2202444f35f7568b1ce7addcc5be1313e2bdd8bf9bca4e97ffda"`
[INFO] running `"docker" "rm" "-f" "c5247ce8747c2202444f35f7568b1ce7addcc5be1313e2bdd8bf9bca4e97ffda"`
[INFO] [stdout] c5247ce8747c2202444f35f7568b1ce7addcc5be1313e2bdd8bf9bca4e97ffda
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/whytekieran/RustProgrammingLanguage-Basics:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ddbdadff4dfc5e972f9fa088a21688f28994faf6aa139d5646681bcb4a1dc547
[INFO] running `"docker" "start" "-a" "ddbdadff4dfc5e972f9fa088a21688f28994faf6aa139d5646681bcb4a1dc547"`
[INFO] [stderr]    Compiling 2_rust_basics v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `acceptdarray`
[INFO] [stderr]    --> src/main.rs:479:1
[INFO] [stderr]     |
[INFO] [stderr] 479 | fn acceptdarray(x: &mut [[i32; 4]]) -> &[[i32; 4]] {  
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "ddbdadff4dfc5e972f9fa088a21688f28994faf6aa139d5646681bcb4a1dc547"`
[INFO] running `"docker" "rm" "-f" "ddbdadff4dfc5e972f9fa088a21688f28994faf6aa139d5646681bcb4a1dc547"`
[INFO] [stdout] ddbdadff4dfc5e972f9fa088a21688f28994faf6aa139d5646681bcb4a1dc547
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/whytekieran/RustProgrammingLanguage-Basics:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 8df2f0196d93641f7962e912406cb5dea8a932f0d44754f5c47661ecd0ac1dc9
[INFO] running `"docker" "start" "-a" "8df2f0196d93641f7962e912406cb5dea8a932f0d44754f5c47661ecd0ac1dc9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/2_rust_basics-f1184083464fbf56
[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" "8df2f0196d93641f7962e912406cb5dea8a932f0d44754f5c47661ecd0ac1dc9"`
[INFO] running `"docker" "rm" "-f" "8df2f0196d93641f7962e912406cb5dea8a932f0d44754f5c47661ecd0ac1dc9"`
[INFO] [stdout] 8df2f0196d93641f7962e912406cb5dea8a932f0d44754f5c47661ecd0ac1dc9