[INFO] updating cached repository https://github.com/zolkko/rust-katas [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] 1acd24bf1eb5da984f95ada80e2f35c8c4d19156 [INFO] testing zolkko/rust-katas against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzolkko%2Frust-katas" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zolkko/rust-katas on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/zolkko/rust-katas [INFO] finished tweaking git repo https://github.com/zolkko/rust-katas [INFO] tweaked toml for git repo https://github.com/zolkko/rust-katas written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/zolkko/rust-katas already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 0e78b003c7a4358b12c3f67a3dbd40f0d941b1061fe71123a09fcbbe7f11e9dd [INFO] running `"docker" "start" "-a" "0e78b003c7a4358b12c3f67a3dbd40f0d941b1061fe71123a09fcbbe7f11e9dd"` [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling rust-katas v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling proc-macro2 v1.0.3 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.18 [INFO] [stderr] warning: struct is never constructed: `ToplistWithoutFilter` [INFO] [stderr] --> src/lib.rs:34:8 [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:40:8 [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/read_ints.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [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:32:9 [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 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: 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:9:22 [INFO] [stderr] | [INFO] [stderr] 9 | 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: if this is intentional, prefix it 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:4:4 [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/async_book.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut state = Arc::new(Mutex::new(SharedState { completed: false, waker: None })); [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: variable does not need to be mutable [INFO] [stderr] --> src/async_book.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | let mut thread_state = Arc::clone(&state); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 05s [INFO] running `"docker" "inspect" "0e78b003c7a4358b12c3f67a3dbd40f0d941b1061fe71123a09fcbbe7f11e9dd"` [INFO] running `"docker" "rm" "-f" "0e78b003c7a4358b12c3f67a3dbd40f0d941b1061fe71123a09fcbbe7f11e9dd"` [INFO] [stdout] 0e78b003c7a4358b12c3f67a3dbd40f0d941b1061fe71123a09fcbbe7f11e9dd [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 9543163677bdedfe6c6757422a270308102a3af3deab1c04b68f78727ee9833e [INFO] running `"docker" "start" "-a" "9543163677bdedfe6c6757422a270308102a3af3deab1c04b68f78727ee9833e"` [INFO] [stderr] Compiling rust-katas v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: struct is never constructed: `ToplistWithoutFilter` [INFO] [stderr] --> src/lib.rs:34:8 [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:40:8 [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: 3 warnings emitted [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: 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: if this is intentional, prefix it 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:4:4 [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: unused `#[macro_use]` import [INFO] [stderr] --> src/read_ints.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `ndarray::ShapeBuilder` [INFO] [stderr] --> src/read_ints.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | use ndarray::ShapeBuilder; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/read_ints.rs:9:22 [INFO] [stderr] | [INFO] [stderr] 9 | 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: variable does not need to be mutable [INFO] [stderr] --> src/read_ints.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | for mut sub_levels in a.axis_iter_mut(Axis(0)) { [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: value assigned to `size` is never read [INFO] [stderr] --> src/print_exec.rs:32:9 [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] warning: struct is never constructed: `ToplistWithoutFilter` [INFO] [stderr] --> src/lib.rs:34:8 [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:40:8 [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/async_book.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut state = Arc::new(Mutex::new(SharedState { completed: false, waker: None })); [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: variable does not need to be mutable [INFO] [stderr] --> src/async_book.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | let mut thread_state = Arc::clone(&state); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.26s [INFO] running `"docker" "inspect" "9543163677bdedfe6c6757422a270308102a3af3deab1c04b68f78727ee9833e"` [INFO] running `"docker" "rm" "-f" "9543163677bdedfe6c6757422a270308102a3af3deab1c04b68f78727ee9833e"` [INFO] [stdout] 9543163677bdedfe6c6757422a270308102a3af3deab1c04b68f78727ee9833e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] af44949ab320ea01834cba45f83c28eb0b44738d8d0185bff086dadf860f6a0e [INFO] running `"docker" "start" "-a" "af44949ab320ea01834cba45f83c28eb0b44738d8d0185bff086dadf860f6a0e"` [INFO] [stderr] warning: struct is never constructed: `ToplistWithoutFilter` [INFO] [stderr] --> src/lib.rs:34:8 [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:40:8 [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ToplistWithoutFilter` [INFO] [stderr] --> src/lib.rs:34:8 [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:40:8 [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stdout] [INFO] [stderr] --> src/read_ints.rs:1:1 [INFO] [stdout] running 10 tests [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `ndarray::ShapeBuilder` [INFO] [stderr] --> src/read_ints.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | use ndarray::ShapeBuilder; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/read_ints.rs:9:22 [INFO] [stderr] | [INFO] [stderr] 9 | 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: variable does not need to be mutable [INFO] [stderr] --> src/read_ints.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | for mut sub_levels in a.axis_iter_mut(Axis(0)) { [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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: value assigned to `size` is never read [INFO] [stderr] --> src/print_exec.rs:32:9 [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] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/async_book.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut state = Arc::new(Mutex::new(SharedState { completed: false, waker: None })); [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: variable does not need to be mutable [INFO] [stderr] --> src/async_book.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | let mut thread_state = Arc::clone(&state); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [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: 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: if this is intentional, prefix it 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:4:4 [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.28s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_katas-47fd994214cb8b16 [INFO] [stdout] test insertion_sort::tests::sort_single_element_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_mixed_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_reverse_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_sorted_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_empty_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_mixed_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_reverse_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_empty_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_single_element_vector ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/async_book-d98022d137616123 [INFO] [stdout] test quick_sort::tests::sort_sorted_vector ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/max_subarray-d1d24d57bd55f095 [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] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test test::it_contains_only_zeros ... ok [INFO] [stdout] test test::it_contains_single_negative_number ... ok [INFO] [stdout] test test::it_finds_sum_if_all_elements_are_negative ... ok [INFO] [stdout] test test::it_contains_single_positive_number ... ok [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_contains_single_zero ... ok [INFO] [stdout] test test::it_can_find_sum_in_general_case ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/merge_arrays-451c3ea4a8bfe550 [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/print_exec-67347cea59e8f9ed [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/read_ints-b1ab8878808e23b4 [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::demo ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--bin read_ints' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::demo stdout ---- [INFO] [stdout] [[2.0, 0.0], [INFO] [stdout] [0.0, 0.0]] shape=[2, 2], strides=[2, 1], layout=C (0x1), dynamic ndim=2 [INFO] [stdout] sum:2.0 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [[0.0, 0.0], [INFO] [stdout] [3.0, 0.0]] shape=[2, 2], strides=[2, 1], layout=C (0x1), dynamic ndim=2 [INFO] [stdout] sum:3.0 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [[7.0, 0.0], [INFO] [stdout] [0.0, 7.0]] shape=[2, 2], strides=[2, 1], layout=C (0x1), dynamic ndim=2 [INFO] [stdout] sum:14.0 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] +++++++++++ [INFO] [stdout] thread 'tests::demo' panicked at 'explicit panic', src/read_ints.rs:47:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55cb8a9286c4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55cb8a9286c4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55cb8a9286c4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55cb8a9286c4 - ::fmt::h7729313ad2d729c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55cb8a9512dc - core::fmt::write::hb0049f6c12bdaffc [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55cb8a8ccf55 - std::io::Write::write_fmt::h5d052af13df32ea6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55cb8a922ce1 - std::io::impls::>::write_fmt::h8fe8a9bdc421b4b6 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55cb8a92af95 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55cb8a92af95 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55cb8a92af95 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55cb8a92ac7b - std::panicking::default_hook::h9386f7e484840463 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55cb8a92b5f2 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55cb8a919851 - std::panicking::begin_panic::h067b67f5582015ce [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:438 [INFO] [stdout] 13: 0x55cb8a8cab9d - read_ints::tests::demo::h028d4cf64649f198 [INFO] [stdout] at src/read_ints.rs:47 [INFO] [stdout] 14: 0x55cb8a8ca5aa - read_ints::tests::demo::{{closure}}::h20c014a5f30ae79c [INFO] [stdout] at src/read_ints.rs:26 [INFO] [stdout] 15: 0x55cb8a8be25e - core::ops::function::FnOnce::call_once::h17b341ed32bfc64c [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x55cb8a8d8e4f - as core::ops::function::FnOnce>::call_once::h1f6ee40732e80908 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 17: 0x55cb8a8f444e - as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x55cb8a8f444e - std::panicking::try::do_call::hee6f5a4bef67c840 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x55cb8a8f444e - std::panicking::try::h3384d3b948e84dbc [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x55cb8a8f444e - std::panic::catch_unwind::h5ae91218e578066d [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55cb8a8f444e - test::run_test_in_process::he37a49587889b910 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x55cb8a8f444e - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x55cb8a8cc406 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x55cb8a8d1795 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x55cb8a8d1795 - as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x55cb8a8d1795 - std::panicking::try::do_call::hb29b86f86d4d722e [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 27: 0x55cb8a8d1795 - std::panicking::try::h4bfefb3eddc0d900 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x55cb8a8d1795 - std::panic::catch_unwind::h774c24d4b38d5828 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x55cb8a8d1795 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x55cb8a8d1795 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x55cb8a91eeef - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 32: 0x55cb8a931dd3 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x55cb8a931dd3 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7fdae549b6db - start_thread [INFO] [stdout] 35: 0x7fdae4fac88f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::demo [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "af44949ab320ea01834cba45f83c28eb0b44738d8d0185bff086dadf860f6a0e"` [INFO] running `"docker" "rm" "-f" "af44949ab320ea01834cba45f83c28eb0b44738d8d0185bff086dadf860f6a0e"` [INFO] [stdout] af44949ab320ea01834cba45f83c28eb0b44738d8d0185bff086dadf860f6a0e