[INFO] updating cached repository milliams/square-sum [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/milliams/square-sum [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/milliams/square-sum" "work/ex/beta-1.38-1/sources/1.37.0/gh/milliams/square-sum"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/milliams/square-sum'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/milliams/square-sum" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/milliams/square-sum"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/milliams/square-sum'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] addfe622ba5d301ef93f7ae19d0104368bd1681e [INFO] sha for GitHub repo milliams/square-sum: addfe622ba5d301ef93f7ae19d0104368bd1681e [INFO] validating manifest of milliams/square-sum 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 milliams/square-sum 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 milliams/square-sum [INFO] finished frobbing milliams/square-sum [INFO] frobbed toml for milliams/square-sum written to work/ex/beta-1.38-1/sources/1.37.0/gh/milliams/square-sum/Cargo.toml [INFO] started frobbing milliams/square-sum [INFO] finished frobbing milliams/square-sum [INFO] frobbed toml for milliams/square-sum written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/milliams/square-sum/Cargo.toml [INFO] crate milliams/square-sum 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] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/milliams/square-sum/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 milliams/square-sum against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/milliams/square-sum:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 052220ee8317270db15a542c255c24a7a0b450bb6839ca97d3c66cf25f6c8f24 [INFO] running `"docker" "start" "-a" "052220ee8317270db15a542c255c24a7a0b450bb6839ca97d3c66cf25f6c8f24"` [INFO] [stderr] Compiling square-sum v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `check_sum_squares` [INFO] [stderr] --> src/main.rs:362:1 [INFO] [stderr] | [INFO] [stderr] 362 | fn check_sum_squares(vals: &[usize]) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.39s [INFO] running `"docker" "inspect" "052220ee8317270db15a542c255c24a7a0b450bb6839ca97d3c66cf25f6c8f24"` [INFO] running `"docker" "rm" "-f" "052220ee8317270db15a542c255c24a7a0b450bb6839ca97d3c66cf25f6c8f24"` [INFO] [stdout] 052220ee8317270db15a542c255c24a7a0b450bb6839ca97d3c66cf25f6c8f24 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/milliams/square-sum:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] a399a4ef4c098e766c5a6be43b409a62776f7ad5f815d41ac074ce353c2d46e3 [INFO] running `"docker" "start" "-a" "a399a4ef4c098e766c5a6be43b409a62776f7ad5f815d41ac074ce353c2d46e3"` [INFO] [stderr] Compiling square-sum v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `check_sum_squares` [INFO] [stderr] --> src/main.rs:362:1 [INFO] [stderr] | [INFO] [stderr] 362 | fn check_sum_squares(vals: &[usize]) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `"docker" "inspect" "a399a4ef4c098e766c5a6be43b409a62776f7ad5f815d41ac074ce353c2d46e3"` [INFO] running `"docker" "rm" "-f" "a399a4ef4c098e766c5a6be43b409a62776f7ad5f815d41ac074ce353c2d46e3"` [INFO] [stdout] a399a4ef4c098e766c5a6be43b409a62776f7ad5f815d41ac074ce353c2d46e3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/milliams/square-sum:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 3574383a3dae317db6c6cf4e12c23a9a1008773cbf9fa069d44a6a4e9cbb2f0a [INFO] running `"docker" "start" "-a" "3574383a3dae317db6c6cf4e12c23a9a1008773cbf9fa069d44a6a4e9cbb2f0a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/square_sum-ae643900397c2bc0 [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" "3574383a3dae317db6c6cf4e12c23a9a1008773cbf9fa069d44a6a4e9cbb2f0a"` [INFO] running `"docker" "rm" "-f" "3574383a3dae317db6c6cf4e12c23a9a1008773cbf9fa069d44a6a4e9cbb2f0a"` [INFO] [stdout] 3574383a3dae317db6c6cf4e12c23a9a1008773cbf9fa069d44a6a4e9cbb2f0a