[INFO] cloning repository https://github.com/zolkko/rust-katas [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zolkko/rust-katas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzolkko%2Frust-katas", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzolkko%2Frust-katas'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 68676fc622353634503c404bb690ddbea4039fdb [INFO] testing zolkko/rust-katas against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzolkko%2Frust-katas" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zolkko/rust-katas on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7/source/Cargo.toml [INFO] crate git repo https://github.com/zolkko/rust-katas already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16871872bf2893cc0aaa47312737b929bff298cf66f6ae7da0b401e2d252cb0d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "16871872bf2893cc0aaa47312737b929bff298cf66f6ae7da0b401e2d252cb0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16871872bf2893cc0aaa47312737b929bff298cf66f6ae7da0b401e2d252cb0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16871872bf2893cc0aaa47312737b929bff298cf66f6ae7da0b401e2d252cb0d", kill_on_drop: false }` [INFO] [stdout] 16871872bf2893cc0aaa47312737b929bff298cf66f6ae7da0b401e2d252cb0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d6fac7e256b67413b09eaa3d406219c871b4d9c2932e5576e045ee970a7701f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1d6fac7e256b67413b09eaa3d406219c871b4d9c2932e5576e045ee970a7701f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling rust-katas v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling matrixmultiply v0.3.1 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling tracing-core v0.1.18 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Compiling tokio v1.9.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling ndarray v0.15.3 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling tracing v0.1.26 [INFO] [stderr] Compiling futures-executor v0.3.16 [INFO] [stderr] Compiling futures v0.3.16 [INFO] [stderr] Compiling tokio-util v0.6.7 [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/read_ints.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/read_ints.rs:9:22 [INFO] [stdout] | [INFO] [stdout] 9 | let input = line.trim_right(); [INFO] [stdout] | ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/async_book.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut state = Arc::new(Mutex::new(SharedState { completed: false, waker: None })); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/async_book.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let mut thread_state = Arc::clone(&state); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryFutureExt` [INFO] [stdout] --> src/watch_file.rs:5:48 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::future::{self, Either, FutureExt, TryFutureExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Context` [INFO] [stdout] --> src/watch_file.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | use std::task::{Context, Poll}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryFutureExt` [INFO] [stdout] --> src/poll_fn_stream.rs:5:40 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::future::{self, FutureExt, TryFutureExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::pin::Pin` [INFO] [stdout] --> src/poll_fn_stream.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::pin::Pin; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Context` [INFO] [stdout] --> src/poll_fn_stream.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | use std::task::{Context, Poll}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::fs::File` [INFO] [stdout] --> src/poll_fn_stream.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryStreamExt` [INFO] [stdout] --> src/watch_file.rs:6:48 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::stream::{self, Stream, StreamExt, TryStreamExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryStreamExt` [INFO] [stdout] --> src/poll_fn_stream.rs:6:48 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::stream::{self, Stream, StreamExt, TryStreamExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `Command { std: "docker" "inspect" "1d6fac7e256b67413b09eaa3d406219c871b4d9c2932e5576e045ee970a7701f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d6fac7e256b67413b09eaa3d406219c871b4d9c2932e5576e045ee970a7701f", kill_on_drop: false }` [INFO] [stdout] 1d6fac7e256b67413b09eaa3d406219c871b4d9c2932e5576e045ee970a7701f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f20b450958e141ee557f34e46b1a54ecea21615b7a072bdc66cdbcf4b5e78fa0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f20b450958e141ee557f34e46b1a54ecea21615b7a072bdc66cdbcf4b5e78fa0", kill_on_drop: false }` [INFO] [stderr] Compiling rust-katas v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/async_book.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | let mut state = Arc::new(Mutex::new(SharedState { completed: false, waker: None })); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/async_book.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | let mut thread_state = Arc::clone(&state); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/read_ints.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::ShapeBuilder` [INFO] [stdout] --> src/read_ints.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | use ndarray::ShapeBuilder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> src/read_ints.rs:9:22 [INFO] [stdout] | [INFO] [stdout] 9 | let input = line.trim_right(); [INFO] [stdout] | ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/read_ints.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | for mut sub_levels in a.axis_iter_mut(Axis(0)) { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryFutureExt` [INFO] [stdout] --> src/poll_fn_stream.rs:5:40 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::future::{self, FutureExt, TryFutureExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::pin::Pin` [INFO] [stdout] --> src/poll_fn_stream.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::pin::Pin; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Context` [INFO] [stdout] --> src/poll_fn_stream.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | use std::task::{Context, Poll}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::fs::File` [INFO] [stdout] --> src/poll_fn_stream.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryFutureExt` [INFO] [stdout] --> src/watch_file.rs:5:48 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::future::{self, Either, FutureExt, TryFutureExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Context` [INFO] [stdout] --> src/watch_file.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | use std::task::{Context, Poll}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryStreamExt` [INFO] [stdout] --> src/poll_fn_stream.rs:6:48 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::stream::{self, Stream, StreamExt, TryStreamExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryStreamExt` [INFO] [stdout] --> src/watch_file.rs:6:48 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::stream::{self, Stream, StreamExt, TryStreamExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.68s [INFO] running `Command { std: "docker" "inspect" "f20b450958e141ee557f34e46b1a54ecea21615b7a072bdc66cdbcf4b5e78fa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f20b450958e141ee557f34e46b1a54ecea21615b7a072bdc66cdbcf4b5e78fa0", kill_on_drop: false }` [INFO] [stdout] f20b450958e141ee557f34e46b1a54ecea21615b7a072bdc66cdbcf4b5e78fa0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e107d3689ec8fe2e7589a271b7014bf40032d35c54830e015db00e9921e8d715 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e107d3689ec8fe2e7589a271b7014bf40032d35c54830e015db00e9921e8d715", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `TryFutureExt` [INFO] [stderr] --> src/watch_file.rs:5:48 [INFO] [stderr] | [INFO] [stderr] 5 | use futures::future::{self, Either, FutureExt, TryFutureExt}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Context` [INFO] [stderr] --> src/watch_file.rs:10:17 [INFO] [stderr] | [INFO] [stderr] 10 | use std::task::{Context, Poll}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TryStreamExt` [INFO] [stderr] --> src/watch_file.rs:6:48 [INFO] [stderr] | [INFO] [stderr] 6 | use futures::stream::{self, Stream, StreamExt, TryStreamExt}; [INFO] [stderr] | ^^^^^^^^^^^^ [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: unused import: `TryFutureExt` [INFO] [stderr] --> src/poll_fn_stream.rs:5:40 [INFO] [stderr] | [INFO] [stderr] 5 | use futures::future::{self, FutureExt, TryFutureExt}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::pin::Pin` [INFO] [stderr] --> src/poll_fn_stream.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::pin::Pin; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Context` [INFO] [stderr] --> src/poll_fn_stream.rs:10:17 [INFO] [stderr] | [INFO] [stderr] 10 | use std::task::{Context, Poll}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::fs::File` [INFO] [stderr] --> src/poll_fn_stream.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use tokio::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TryStreamExt` [INFO] [stderr] --> src/poll_fn_stream.rs:6:48 [INFO] [stderr] | [INFO] [stderr] 6 | use futures::stream::{self, Stream, StreamExt, TryStreamExt}; [INFO] [stderr] | ^^^^^^^^^^^^ [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 associated function `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 associated function: `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: `rust-katas` (bin "watch_file" test) generated 3 warnings [INFO] [stderr] warning: `rust-katas` (bin "async_book" test) generated 2 warnings [INFO] [stderr] warning: `rust-katas` (bin "poll_fn_stream" test) generated 5 warnings [INFO] [stderr] warning: `rust-katas` (bin "read_ints" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_katas-872aed8bafbb3b10) [INFO] [stdout] running 10 tests [INFO] [stdout] test insertion_sort::tests::sort_empty_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_reverse_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_single_element_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 quick_sort::tests::sort_sorted_vector ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async_book-b63a8f84fb3a532b) [INFO] [stdout] test insertion_sort::tests::sort_mixed_vector ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/max_subarray-e6be8380ee188177) [INFO] [stdout] test quick_sort::tests::sort_empty_vector ... ok [INFO] [stdout] test insertion_sort::tests::sort_sorted_vector ... ok [INFO] [stdout] test quick_sort::tests::sort_mixed_vector ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test test::it_can_find_sum_in_general_case ... ok [INFO] [stdout] test test::it_contains_single_positive_number ... ok [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_positive ... ok [INFO] [stdout] test test::it_contains_single_zero ... 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] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/poll_fn_stream-5365d77dec56fc77) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/read_ints-7ecc165ecd6737bc) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--bin read_ints' [INFO] [stdout] test tests::demo ... FAILED [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=Cc (0x5), 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=Cc (0x5), 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=Cc (0x5), 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: 0x55936053b78c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55936053b78c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55936053b78c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55936053b78c - ::fmt::hf439e5ed84c74abd [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55936055e93c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x559360537735 - std::io::Write::write_fmt::h54337adeb3504c03 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55936053d1e0 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55936053d1e0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55936053d1e0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55936053cdc6 - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55936053d894 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x5593605170d2 - std::panicking::begin_panic::{{closure}}::h1595311c60e39e15 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:526:9 [INFO] [stdout] 12: 0x5593605197a9 - std::sys_common::backtrace::__rust_end_short_backtrace::h3da9ff951cec2b08 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x559360517013 - std::panicking::begin_panic::h80035ade3da8205e [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:525:12 [INFO] [stdout] 14: 0x5593604c66d8 - read_ints::tests::demo::h6ab0a678aaa8bfdc [INFO] [stdout] at /opt/rustwide/workdir/src/read_ints.rs:47:9 [INFO] [stdout] 15: 0x5593604c60ba - read_ints::tests::demo::{{closure}}::h96f1f310fe0549d0 [INFO] [stdout] at /opt/rustwide/workdir/src/read_ints.rs:26:5 [INFO] [stdout] 16: 0x5593604d025e - core::ops::function::FnOnce::call_once::ha6c0e173bd9842b8 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 17: 0x55936050e7e3 - core::ops::function::FnOnce::call_once::h24a32b9da1a40fdb [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 18: 0x55936050e7e3 - test::__rust_begin_short_backtrace::h3c3a0492fb4a12eb [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:585:5 [INFO] [stdout] 19: 0x55936050d3f7 - as core::ops::function::FnOnce>::call_once::h9a8e38435f73d5e0 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 20: 0x55936050d3f7 - as core::ops::function::FnOnce<()>>::call_once::hb23d7496a0e6d1b4 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 21: 0x55936050d3f7 - std::panicking::try::do_call::ha2bb9825b32d2cc2 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 22: 0x55936050d3f7 - std::panicking::try::hdc38a574bbebc53e [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 23: 0x55936050d3f7 - std::panic::catch_unwind::hc45ed246595c621c [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 24: 0x55936050d3f7 - test::run_test_in_process::h4249138faaea8d54 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:608:18 [INFO] [stdout] 25: 0x55936050d3f7 - test::run_test::run_test_inner::{{closure}}::h3c1b37669f6e9fd7 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:500:39 [INFO] [stdout] 26: 0x5593604da69e - test::run_test::run_test_inner::{{closure}}::h388760469edd5c24 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/test/src/lib.rs:527:37 [INFO] [stdout] 27: 0x5593604da69e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbbaecdcfad18643e [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 28: 0x5593604df3f8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h09cd3ca65896da91 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:484:17 [INFO] [stdout] 29: 0x5593604df3f8 - as core::ops::function::FnOnce<()>>::call_once::hc52dbb4f9088d18b [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 30: 0x5593604df3f8 - std::panicking::try::do_call::h4485cfee22b11c08 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stdout] 31: 0x5593604df3f8 - std::panicking::try::hb62aa8549e20c08b [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stdout] 32: 0x5593604df3f8 - std::panic::catch_unwind::ha322c7a5bc666762 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stdout] 33: 0x5593604df3f8 - std::thread::Builder::spawn_unchecked::{{closure}}::h1076fc1398603b77 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/thread/mod.rs:483:30 [INFO] [stdout] 34: 0x5593604df3f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h911e510344167353 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 35: 0x559360542323 - as core::ops::function::FnOnce>::call_once::h771719d52c343434 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 36: 0x559360542323 - as core::ops::function::FnOnce>::call_once::hf441746dfa4b0f57 [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 37: 0x559360542323 - std::sys::unix::thread::Thread::new::thread_start::hfd168f9d312b29ca [INFO] [stdout] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 38: 0x7fa1f7c04609 - start_thread [INFO] [stdout] 39: 0x7fa1f79d6293 - clone [INFO] [stdout] 40: 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; finished in 0.07s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e107d3689ec8fe2e7589a271b7014bf40032d35c54830e015db00e9921e8d715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e107d3689ec8fe2e7589a271b7014bf40032d35c54830e015db00e9921e8d715", kill_on_drop: false }` [INFO] [stdout] e107d3689ec8fe2e7589a271b7014bf40032d35c54830e015db00e9921e8d715