[INFO] updating cached repository dihedral-codes/rust-rref-binary
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dihedral-codes/rust-rref-binary
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dihedral-codes/rust-rref-binary" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dihedral-codes/rust-rref-binary"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dihedral-codes/rust-rref-binary'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dihedral-codes/rust-rref-binary" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dihedral-codes/rust-rref-binary"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dihedral-codes/rust-rref-binary'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a5ca8a0906ecbacb3a6c8abec67f627658912f67
[INFO] sha for GitHub repo dihedral-codes/rust-rref-binary: a5ca8a0906ecbacb3a6c8abec67f627658912f67
[INFO] validating manifest of dihedral-codes/rust-rref-binary on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dihedral-codes/rust-rref-binary on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dihedral-codes/rust-rref-binary
[INFO] finished frobbing dihedral-codes/rust-rref-binary
[INFO] frobbed toml for dihedral-codes/rust-rref-binary written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dihedral-codes/rust-rref-binary/Cargo.toml
[INFO] started frobbing dihedral-codes/rust-rref-binary
[INFO] finished frobbing dihedral-codes/rust-rref-binary
[INFO] frobbed toml for dihedral-codes/rust-rref-binary written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dihedral-codes/rust-rref-binary/Cargo.toml
[INFO] crate dihedral-codes/rust-rref-binary already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dihedral-codes/rust-rref-binary against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dihedral-codes/rust-rref-binary:/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] af015df12816f7c50bc9dd541b25b905e5c2c894e5676b776195f29c857096b7
[INFO] running `"docker" "start" "-a" "af015df12816f7c50bc9dd541b25b905e5c2c894e5676b776195f29c857096b7"`
[INFO] [stderr]     Checking rust-rref-binary v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `printmat`
[INFO] [stderr]   --> src/main.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn printmat(matrix:[u64; N]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `printmat`
[INFO] [stderr]   --> src/main.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn printmat(matrix:[u64; N]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "af015df12816f7c50bc9dd541b25b905e5c2c894e5676b776195f29c857096b7"`
[INFO] running `"docker" "rm" "-f" "af015df12816f7c50bc9dd541b25b905e5c2c894e5676b776195f29c857096b7"`
[INFO] [stdout] af015df12816f7c50bc9dd541b25b905e5c2c894e5676b776195f29c857096b7