[INFO] cloning repository https://github.com/anselvo/playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anselvo/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7075177ee0fc22f0fe74bbe86f80c1bb76e5d686
[INFO] testing anselvo/playground against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/anselvo/playground
[INFO] finished tweaking git repo https://github.com/anselvo/playground
[INFO] tweaked toml for git repo https://github.com/anselvo/playground written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/anselvo/playground on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/anselvo/playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.67
[INFO] [stderr]   Downloaded memchr v2.6.3
[INFO] [stderr]   Downloaded syn v2.0.37
[INFO] [stderr]   Downloaded libc v0.2.148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b
[INFO] running `Command { std: "docker" "start" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling rustground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `subscriber`, `producer`, and `socket_addr` are never read
[INFO] [stdout]   --> src/chat/server.rs:9:25
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Server {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  9 |     pub(in crate::chat) subscriber: Subscriber,
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] 10 |     pub(in crate::chat) producer: Producer,
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 11 |     pub(in crate::chat) socket_addr: SocketAddr,
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reader`, `buf`, and `tx` are never read
[INFO] [stdout]   --> src/chat/subscriber.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub(in crate::chat) struct Subscriber {
[INFO] [stdout]    |                            ---------- fields in this struct
[INFO] [stdout]  9 |     reader: BufReader<OwnedReadHalf>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     buf: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     tx: Sender<Message>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `listen`, `send_to_channel`, and `send_with_error_log` are never used
[INFO] [stdout]   --> src/chat/subscriber.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Subscriber {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub(in crate::chat) async fn listen(&mut self) -> io::Result<usize> {
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub(in crate::chat) fn send_to_channel(
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn send_with_error_log(&mut self, socket_addr: SocketAddr, message: String, error: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `socket_addr`, `message`, and `error` are never read
[INFO] [stdout]   --> src/chat/producer.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub(in crate::chat) struct Message {
[INFO] [stdout]    |                            ------- fields in this struct
[INFO] [stdout] 10 |     pub(in crate::chat) socket_addr: SocketAddr,
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout] 11 |     pub(in crate::chat) message: String,
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout] 12 |     pub(in crate::chat) error: bool,
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rx`, `writer`, and `init_identifier_msg` are never read
[INFO] [stdout]   --> src/chat/producer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(in crate::chat) struct Producer {
[INFO] [stdout]    |                            -------- fields in this struct
[INFO] [stdout] 16 |     rx: Receiver<Message>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 17 |     writer: OwnedWriteHalf,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     init_identifier_msg: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `subscribe_to_channel`, `send`, `send_initial_msg`, and `get_init_msg` are never used
[INFO] [stdout]   --> src/chat/producer.rs:27:34
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Producer {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub(in crate::chat) async fn subscribe_to_channel(&mut self) -> Result<Message, RecvError> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub(in crate::chat) async fn send(
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub(in crate::chat) async fn send_initial_msg(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn get_init_msg(&self) -> &'static str {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: fields `subscriber`, `producer`, and `socket_addr` are never read
[INFO] [stderr]   --> src/chat/server.rs:9:25
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub struct Server {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr]  9 |     pub(in crate::chat) subscriber: Subscriber,
[INFO] [stderr]    |                         ^^^^^^^^^^
[INFO] [stderr] 10 |     pub(in crate::chat) producer: Producer,
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr] 11 |     pub(in crate::chat) socket_addr: SocketAddr,
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `reader`, `buf`, and `tx` are never read
[INFO] [stderr]   --> src/chat/subscriber.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub(in crate::chat) struct Subscriber {
[INFO] [stderr]    |                            ---------- fields in this struct
[INFO] [stderr]  9 |     reader: BufReader<OwnedReadHalf>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 10 |     buf: String,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 11 |     tx: Sender<Message>,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `listen`, `send_to_channel`, and `send_with_error_log` are never used
[INFO] [stderr]   --> src/chat/subscriber.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Subscriber {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub(in crate::chat) async fn listen(&mut self) -> io::Result<usize> {
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub(in crate::chat) fn send_to_channel(
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     fn send_with_error_log(&mut self, socket_addr: SocketAddr, message: String, error: bool) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `socket_addr`, `message`, and `error` are never read
[INFO] [stderr]   --> src/chat/producer.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub(in crate::chat) struct Message {
[INFO] [stderr]    |                            ------- fields in this struct
[INFO] [stderr] 10 |     pub(in crate::chat) socket_addr: SocketAddr,
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 11 |     pub(in crate::chat) message: String,
[INFO] [stderr]    |                         ^^^^^^^
[INFO] [stderr] 12 |     pub(in crate::chat) error: bool,
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Message` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `rx`, `writer`, and `init_identifier_msg` are never read
[INFO] [stderr]   --> src/chat/producer.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub(in crate::chat) struct Producer {
[INFO] [stderr]    |                            -------- fields in this struct
[INFO] [stderr] 16 |     rx: Receiver<Message>,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 17 |     writer: OwnedWriteHalf,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 18 |     init_identifier_msg: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `subscribe_to_channel`, `send`, `send_initial_msg`, and `get_init_msg` are never used
[INFO] [stderr]   --> src/chat/producer.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Producer {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub(in crate::chat) async fn subscribe_to_channel(&mut self) -> Result<Message, RecvError> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub(in crate::chat) async fn send(
[INFO] [stderr]    |                                  ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     pub(in crate::chat) async fn send_initial_msg(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     fn get_init_msg(&self) -> &'static str {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustground` (bin "rustground" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustground-68c2b0943f511804)
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stdout] test algorithms::fib::tests::should_test_recursive_fib ... ok
[INFO] [stdout] test algorithms::fib::tests::should_test_while_fib ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_bubble_sort ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_counting_sort ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_insertion_sort ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_merge_sort ... ok
[INFO] [stdout] test algorithms::sort::tests::should_test_selection_sort ... ok
[INFO] [stdout] test leetcode::bfs::e_102::test ... ok
[INFO] [stdout] test leetcode::bfs::e_104::test ... ok
[INFO] [stdout] test leetcode::bfs::e_103::test ... ok
[INFO] [stdout] test leetcode::bfs::e_222::tests::test_bfs ... ok
[INFO] [stdout] test leetcode::binary_search::e_35::tests::test ... ok
[INFO] [stdout] test leetcode::binary_search::e_69::tests::test ... ok
[INFO] [stdout] test leetcode::binary_search::e_69::tests::test_bruteforce ... ok
[INFO] [stdout] test leetcode::bfs::e_101::test ... ok
[INFO] [stdout] test leetcode::binary_search::m_33::tests::test ... ok
[INFO] [stdout] test leetcode::binary_search::m_34::tests::test ... ok
[INFO] [stdout] test leetcode::binary_search::m_74::tests::test ... ok
[INFO] [stdout] test leetcode::binary_search::m_81::tests::test ... ok
[INFO] [stdout] test leetcode::dfs::e_100::test ... ok
[INFO] [stdout] test leetcode::dfs::e_101::test ... ok
[INFO] [stdout] test leetcode::dfs::e_104::test ... ok
[INFO] [stdout] test leetcode::dfs::e_21::tests::test1 ... ok
[INFO] [stdout] test leetcode::dfs::e_21::tests::test2 ... ok
[INFO] [stdout] test leetcode::dfs::e_21::tests::test3 ... ok
[INFO] [stdout] test leetcode::dfs::e_21::tests::test4 ... ok
[INFO] [stdout] test leetcode::dfs::e_94::test ... ok
[INFO] [stdout] test leetcode::dfs::m_98::test ... ok
[INFO] [stdout] test leetcode::dfs::m_99::test ... ok
[INFO] [stdout] test leetcode::dp::e_70::tests::test ... ok
[INFO] [stdout] test leetcode::dp::m_718::test ... ok
[INFO] [stdout] test leetcode::math::e_13::tests::test ... ok
[INFO] [stdout] test leetcode::math::e_3110::tests::test ... ok
[INFO] [stdout] test leetcode::math::e_66::tests::test ... ok
[INFO] [stdout] test algorithms::search::tests::should_test_recursive_search ... ok
[INFO] [stdout] test leetcode::math::e_67::tests::test ... ok
[INFO] [stdout] test leetcode::dfs::m_79::test ... ok
[INFO] [stdout] test leetcode::math::e_67::tests::test_u128 ... ok
[INFO] [stdout] test algorithms::search::tests::should_test_while_search ... ok
[INFO] [stdout] test leetcode::string::m_187::tests::test ... ok
[INFO] [stdout] test leetcode::string::e_14::tests::test ... ok
[INFO] [stdout] test leetcode::structure::e_705::tests::should_create_map ... ok
[INFO] [stdout] test leetcode::string::e_20::tests::test ... ok
[INFO] [stdout] test leetcode::structure::e_705::tests::should_remove_element ... ok
[INFO] [stdout] test leetcode::string::e_28::tests::test ... ok
[INFO] [stdout] test leetcode::string::e_3042::tests::test ... ok
[INFO] [stdout] test leetcode::structure::e_705::tests::should_put_element ... ok
[INFO] [stdout] test leetcode::string::e_58::tests::test ... ok
[INFO] [stdout] test leetcode::math::e_9::tests::test ... ok
[INFO] [stdout] test leetcode::structure::m_307::tests::should_create_array ... ok
[INFO] [stdout] test leetcode::structure::m_307::tests::should_count_sum_ranges ... ok
[INFO] [stdout] test leetcode::tests::test ... ok
[INFO] [stdout] test leetcode::x::e_1758::tests::test ... ok
[INFO] [stdout] test leetcode::structure::m_307::tests::should_update_element ... ok
[INFO] [stdout] test leetcode::x::e_26::tests::test1 ... ok
[INFO] [stdout] test leetcode::x::e_26::tests::test2 ... ok
[INFO] [stdout] test patterns::singleton::tests::should_create_only_one_instance ... ok
[INFO] [stdout] test structures::queue::tests::should_push_to_queue ... ok
[INFO] [stdout] test leetcode::x::e_27::tests::test1 ... ok
[INFO] [stdout] test structures::vector::tests::should_pop_from_vector ... ok
[INFO] [stdout] test structures::vector::tests::should_create_vector ... ok
[INFO] [stdout] test structures::vector::tests::should_push_to_vector ... ok
[INFO] [stdout] test leetcode::x::e_27::tests::test2 ... ok
[INFO] [stdout] test leetcode::dfs::e_222::tests::test_dfs ... ok
[INFO] [stdout] test structures::queue::tests::should_create_queue ... ok
[INFO] [stdout] test structures::queue::tests::should_pop_from_queue ... ok
[INFO] [stdout] test leetcode::structure::e_706::tests::should_remove_element ... ok
[INFO] [stdout] test leetcode::structure::e_706::tests::should_put_element ... ok
[INFO] [stdout] test leetcode::structure::e_706::tests::should_create_map ... ok
[INFO] [stdout] test leetcode::binary_search::h_4::tests::test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- leetcode::binary_search::h_4::tests::test stdout ----
[INFO] [stdout] [1, 3, 5, 7] [2, 4, 6, 8]
[INFO] [stdout] 2 3 -- 0 0
[INFO] [stdout] 
[INFO] [stdout] thread 'leetcode::binary_search::h_4::tests::test' (462) panicked at src/leetcode/binary_search/h_4.rs:72:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 0.0
[INFO] [stdout]  right: 3.5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5be373a437e8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5be373a437e8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5be373a437e8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5be373a437e8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5be373a580ba - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5be373a580ba - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x5be373a48002 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5be373a48002 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5be373a229a6 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5be373a229a6 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5be373a3bd39 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5be3739d7dec - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x5be3739d7dec - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5be373a3bef2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x5be373a3bef2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5be373a22a62 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5be373a17c69 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5be373a2377d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5be373a5887c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5be373a58733 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5be3739b7e59 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<f64, f64>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5be3739a6a00 - rustground[c29e809ec4e6531f]::leetcode::binary_search::h_4::tests::test
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/binary_search/h_4.rs:72:9
[INFO] [stdout]   22:     0x5be3739a4977 - rustground[c29e809ec4e6531f]::leetcode::binary_search::h_4::tests::test::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/binary_search/h_4.rs:71:14
[INFO] [stdout]   23:     0x5be3739a31b6 - <rustground[c29e809ec4e6531f]::leetcode::binary_search::h_4::tests::test::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5be3739caecb - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5be3739caecb - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5be3739d8745 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5be3739d8745 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5be3739d8745 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5be3739d8745 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5be3739d8745 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5be3739d8745 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5be3739d8745 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5be3739d2054 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5be3739d2054 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5be3739db7c2 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5be3739db7c2 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5be3739db7c2 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5be3739db7c2 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5be3739db7c2 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5be3739db7c2 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5be3739db7c2 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5be373a4314f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   43:     0x5be373a4314f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7d450d0feaa4 - <unknown>
[INFO] [stdout]   45:     0x7d450d18ba64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     leetcode::binary_search::h_4::tests::test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 69 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b", kill_on_drop: false }`
[INFO] [stdout] 443977979cb10ef9fdbcb7efc4caf8251a32329514a613301c9df339f2afe63b
