[INFO] updating cached repository https://github.com/pierrechevalier83/2048-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8de61e8e0342d54b0ae44b937ecb3952c4d2a94c [INFO] testing pierrechevalier83/2048-rs against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierrechevalier83%2F2048-rs" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pierrechevalier83/2048-rs on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/pierrechevalier83/2048-rs [INFO] finished tweaking git repo https://github.com/pierrechevalier83/2048-rs [INFO] tweaked toml for git repo https://github.com/pierrechevalier83/2048-rs written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/pierrechevalier83/2048-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] def2bd59d4f9520c6190fff668594329a52085175996a82066f90e2692ea2523 [INFO] running `"docker" "start" "-a" "def2bd59d4f9520c6190fff668594329a52085175996a82066f90e2692ea2523"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.1.37 [INFO] [stderr] Compiling libc v0.2.20 [INFO] [stderr] Compiling rustc-serialize v0.3.22 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling unicode-segmentation v1.1.0 [INFO] [stderr] Compiling matrix_display v0.3.0 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling termion v1.2.0 [INFO] [stderr] Compiling num-integer v0.1.33 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling num-bigint v0.1.36 [INFO] [stderr] Compiling num-complex v0.1.36 [INFO] [stderr] Compiling num-rational v0.1.36 [INFO] [stderr] Compiling num v0.1.37 [INFO] [stderr] Compiling game-2048 v0.5.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/game.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | / self.data [INFO] [stderr] 70 | | .chunks_mut(4) [INFO] [stderr] 71 | | .map(|row| { [INFO] [stderr] 72 | | let (new_row, new_score) = match dir { [INFO] [stderr] ... | [INFO] [stderr] 87 | | }) [INFO] [stderr] 88 | | .collect::>(); [INFO] [stderr] | |_________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.69s [INFO] running `"docker" "inspect" "def2bd59d4f9520c6190fff668594329a52085175996a82066f90e2692ea2523"` [INFO] running `"docker" "rm" "-f" "def2bd59d4f9520c6190fff668594329a52085175996a82066f90e2692ea2523"` [INFO] [stdout] def2bd59d4f9520c6190fff668594329a52085175996a82066f90e2692ea2523 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 93e2e945b6261ba59f6e24a640a57c620c6a3fe856afbbf2ed9914430ad541dc [INFO] running `"docker" "start" "-a" "93e2e945b6261ba59f6e24a640a57c620c6a3fe856afbbf2ed9914430ad541dc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling game-2048 v0.5.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/game.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | / self.data [INFO] [stderr] 70 | | .chunks_mut(4) [INFO] [stderr] 71 | | .map(|row| { [INFO] [stderr] 72 | | let (new_row, new_score) = match dir { [INFO] [stderr] ... | [INFO] [stderr] 87 | | }) [INFO] [stderr] 88 | | .collect::>(); [INFO] [stderr] | |_________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `"docker" "inspect" "93e2e945b6261ba59f6e24a640a57c620c6a3fe856afbbf2ed9914430ad541dc"` [INFO] running `"docker" "rm" "-f" "93e2e945b6261ba59f6e24a640a57c620c6a3fe856afbbf2ed9914430ad541dc"` [INFO] [stdout] 93e2e945b6261ba59f6e24a640a57c620c6a3fe856afbbf2ed9914430ad541dc [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9ee9975ec482f0e6e7c767672c6891db40722f2231c6ffaacf81f935aae0d422 [INFO] running `"docker" "start" "-a" "9ee9975ec482f0e6e7c767672c6891db40722f2231c6ffaacf81f935aae0d422"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/game.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | / self.data [INFO] [stderr] 70 | | .chunks_mut(4) [INFO] [stderr] 71 | | .map(|row| { [INFO] [stderr] 72 | | let (new_row, new_score) = match dir { [INFO] [stderr] ... | [INFO] [stderr] 87 | | }) [INFO] [stderr] 88 | | .collect::>(); [INFO] [stderr] | |_________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/game_2048-ee0775fbe1d8a067 [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_three_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_four_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_four_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_two_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_two_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_two_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_one_element ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_four_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_three_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_three_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_three_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_two_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_four_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_one_element ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "9ee9975ec482f0e6e7c767672c6891db40722f2231c6ffaacf81f935aae0d422"` [INFO] running `"docker" "rm" "-f" "9ee9975ec482f0e6e7c767672c6891db40722f2231c6ffaacf81f935aae0d422"` [INFO] [stdout] 9ee9975ec482f0e6e7c767672c6891db40722f2231c6ffaacf81f935aae0d422