[INFO] updating cached repository zolkko/rust-katas [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/zolkko/rust-katas [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/zolkko/rust-katas" "work/ex/beta-1.38-1/sources/1.37.0/gh/zolkko/rust-katas"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zolkko/rust-katas'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zolkko/rust-katas" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zolkko/rust-katas"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zolkko/rust-katas'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 19d81f9122deee2ecc15d139475374b6f940d79c [INFO] sha for GitHub repo zolkko/rust-katas: 19d81f9122deee2ecc15d139475374b6f940d79c [INFO] validating manifest of zolkko/rust-katas 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 zolkko/rust-katas 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 zolkko/rust-katas [INFO] finished frobbing zolkko/rust-katas [INFO] frobbed toml for zolkko/rust-katas written to work/ex/beta-1.38-1/sources/1.37.0/gh/zolkko/rust-katas/Cargo.toml [INFO] started frobbing zolkko/rust-katas [INFO] finished frobbing zolkko/rust-katas [INFO] frobbed toml for zolkko/rust-katas written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zolkko/rust-katas/Cargo.toml [INFO] crate zolkko/rust-katas 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing zolkko/rust-katas against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zolkko/rust-katas:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 7a42d8746c080d178fe3b7b1474c622708c5521e21ac6e1d5b9ea849084999af [INFO] running `"docker" "start" "-a" "7a42d8746c080d178fe3b7b1474c622708c5521e21ac6e1d5b9ea849084999af"` [INFO] [stderr] Compiling rust-katas v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `ToplistWithoutFilter` [INFO] [stderr] --> src/lib.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | struct ToplistWithoutFilter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ToplistWithFilter` [INFO] [stderr] --> src/lib.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | struct ToplistWithFilter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/insertion_sort.rs:13:15 [INFO] [stderr] | [INFO] [stderr] 13 | while index >= 0 && array[index] > array[index + 1] { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::stdin` [INFO] [stderr] --> src/merge_arrays.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/read_ints.rs:5:22 [INFO] [stderr] | [INFO] [stderr] 5 | let input = line.trim_right(); [INFO] [stderr] | ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `arrays` [INFO] [stderr] --> src/merge_arrays.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | fn merge_arrays(arrays: &[&[i32]]) -> Vec { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_arrays` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_arrays` [INFO] [stderr] --> src/merge_arrays.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | fn merge_arrays(arrays: &[&[i32]]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `size` is never read [INFO] [stderr] --> src/print_exec.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut size = 0usize; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/print_exec.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let mut read_buf: &mut [u8] = &mut [0u8; 1024]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `"docker" "inspect" "7a42d8746c080d178fe3b7b1474c622708c5521e21ac6e1d5b9ea849084999af"` [INFO] running `"docker" "rm" "-f" "7a42d8746c080d178fe3b7b1474c622708c5521e21ac6e1d5b9ea849084999af"` [INFO] [stdout] 7a42d8746c080d178fe3b7b1474c622708c5521e21ac6e1d5b9ea849084999af [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zolkko/rust-katas:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] aea910e48eee6318691ba738ab00fbe8f5cf1b33b091c7024df2754857b88026 [INFO] running `"docker" "start" "-a" "aea910e48eee6318691ba738ab00fbe8f5cf1b33b091c7024df2754857b88026"` [INFO] [stderr] Compiling rust-katas v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::io::stdin` [INFO] [stderr] --> src/merge_arrays.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `size` is never read [INFO] [stderr] --> src/print_exec.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut size = 0usize; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `arrays` [INFO] [stderr] --> src/merge_arrays.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | fn merge_arrays(arrays: &[&[i32]]) -> Vec { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_arrays` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_arrays` [INFO] [stderr] --> src/merge_arrays.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | fn merge_arrays(arrays: &[&[i32]]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/print_exec.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let mut read_buf: &mut [u8] = &mut [0u8; 1024]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/read_ints.rs:5:22 [INFO] [stderr] | [INFO] [stderr] 5 | let input = line.trim_right(); [INFO] [stderr] | ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ToplistWithoutFilter` [INFO] [stderr] --> src/lib.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | struct ToplistWithoutFilter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ToplistWithFilter` [INFO] [stderr] --> src/lib.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | struct ToplistWithFilter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/insertion_sort.rs:13:15 [INFO] [stderr] | [INFO] [stderr] 13 | while index >= 0 && array[index] > array[index + 1] { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.89s [INFO] running `"docker" "inspect" "aea910e48eee6318691ba738ab00fbe8f5cf1b33b091c7024df2754857b88026"` [INFO] running `"docker" "rm" "-f" "aea910e48eee6318691ba738ab00fbe8f5cf1b33b091c7024df2754857b88026"` [INFO] [stdout] aea910e48eee6318691ba738ab00fbe8f5cf1b33b091c7024df2754857b88026 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zolkko/rust-katas:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] c2be1ad7f68a7ff9f097f0212c23f261f98343f8ab3839a038a3cb4cc9d9a4f0 [INFO] running `"docker" "start" "-a" "c2be1ad7f68a7ff9f097f0212c23f261f98343f8ab3839a038a3cb4cc9d9a4f0"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_katas-50a39d58c3a12c6d [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test insertion_sort::tests::sort_empty_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_single_element_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_reverse_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_mixed_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_sorted_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_reverse_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_single_element_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_sorted_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_mixed_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_empty_vector ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/max_subarray-11295022535ef4ad [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test test::it_finds_sum_if_all_elements_are_positive ... ok [INFO] [stdout] test test::it_returns_zero_on_empty_array ... ok [INFO] [stdout] test test::it_finds_sum_if_all_elements_are_negative ... ok [INFO] [stdout] test test::it_contains_single_zero ... ok [INFO] [stdout] test test::it_contains_single_positive_number ... ok [INFO] [stdout] test test::it_can_find_sum_in_general_case ... ok [INFO] [stdout] test test::it_contains_single_negative_number ... ok [INFO] [stdout] test test::it_contains_only_zeros ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/merge_arrays-bcc4fe0534eb4398 [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] [stderr] Running /opt/crater/target/debug/deps/print_exec-ae07e5901ec13298 [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] [stderr] Running /opt/crater/target/debug/deps/read_ints-4dfa1340d24546b7 [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] [stderr] Doc-tests rust_katas [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" "c2be1ad7f68a7ff9f097f0212c23f261f98343f8ab3839a038a3cb4cc9d9a4f0"` [INFO] running `"docker" "rm" "-f" "c2be1ad7f68a7ff9f097f0212c23f261f98343f8ab3839a038a3cb4cc9d9a4f0"` [INFO] [stdout] c2be1ad7f68a7ff9f097f0212c23f261f98343f8ab3839a038a3cb4cc9d9a4f0