[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] 80203bfdfa6a59b1d9769336ac9c3633b14dca01
[INFO] testing anselvo/playground against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanselvo%2Fplayground" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/anselvo/playground on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b566ceb736f907440ee84c71ba72082fee0889e11ad929f89ea7bd271aba2a80
[INFO] running `Command { std: "docker" "start" "-a" "b566ceb736f907440ee84c71ba72082fee0889e11ad929f89ea7bd271aba2a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b566ceb736f907440ee84c71ba72082fee0889e11ad929f89ea7bd271aba2a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b566ceb736f907440ee84c71ba72082fee0889e11ad929f89ea7bd271aba2a80", kill_on_drop: false }`
[INFO] [stdout] b566ceb736f907440ee84c71ba72082fee0889e11ad929f89ea7bd271aba2a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cce04a81f8d076b8b8520c3936974e44202cc55ace83d5d43022741743f6d94
[INFO] running `Command { std: "docker" "start" "-a" "6cce04a81f8d076b8b8520c3936974e44202cc55ace83d5d43022741743f6d94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling bytes v1.5.0
[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 socket2 v0.5.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[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 playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `new` and `new_node` are never used
[INFO] [stdout]   --> src/leetcode/easy/a_21.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl ListNode {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  8 |     #[inline]
[INFO] [stdout]  9 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn new_node(val: i32, node: ListNode) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClientTokioSelect` is never constructed
[INFO] [stdout]  --> src/chat/client.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ClientTokioSelect;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.64s
[INFO] running `Command { std: "docker" "inspect" "6cce04a81f8d076b8b8520c3936974e44202cc55ace83d5d43022741743f6d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cce04a81f8d076b8b8520c3936974e44202cc55ace83d5d43022741743f6d94", kill_on_drop: false }`
[INFO] [stdout] 6cce04a81f8d076b8b8520c3936974e44202cc55ace83d5d43022741743f6d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18459c916a9d7813a59c6e88b9e87de76f3f06a5b021653af0b84aa6e9cccbca
[INFO] running `Command { std: "docker" "start" "-a" "18459c916a9d7813a59c6e88b9e87de76f3f06a5b021653af0b84aa6e9cccbca", kill_on_drop: false }`
[INFO] [stdout] warning: associated functions `new` and `new_node` are never used
[INFO] [stdout]   --> src/leetcode/easy/a_21.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl ListNode {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  8 |     #[inline]
[INFO] [stdout]  9 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn new_node(val: i32, node: ListNode) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ClientTokioSelect` is never constructed
[INFO] [stdout]  --> src/chat/client.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ClientTokioSelect;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "18459c916a9d7813a59c6e88b9e87de76f3f06a5b021653af0b84aa6e9cccbca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18459c916a9d7813a59c6e88b9e87de76f3f06a5b021653af0b84aa6e9cccbca", kill_on_drop: false }`
[INFO] [stdout] 18459c916a9d7813a59c6e88b9e87de76f3f06a5b021653af0b84aa6e9cccbca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 073f66b42fd4b73fd16d652289b82b3592f3f53dc1eb4816dbabe7b813c24943
[INFO] running `Command { std: "docker" "start" "-a" "073f66b42fd4b73fd16d652289b82b3592f3f53dc1eb4816dbabe7b813c24943", kill_on_drop: false }`
[INFO] [stderr] warning: associated functions `new` and `new_node` are never used
[INFO] [stderr]   --> src/leetcode/easy/a_21.rs:9:8
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl ListNode {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr]  8 |     #[inline]
[INFO] [stderr]  9 |     fn new(val: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     fn new_node(val: i32, node: ListNode) -> Self {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `playground` (lib) generated 1 warning
[INFO] [stderr] warning: struct `ClientTokioSelect` is never constructed
[INFO] [stderr]  --> src/chat/client.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct ClientTokioSelect;
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `playground` (bin "playground" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/playground-078ed88b2c87de52)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test algorithms::search::tests::should_test_recursive_search ... ok
[INFO] [stdout] test algorithms::search::tests::should_test_while_search ... ok
[INFO] [stdout] test algorithms::fib::tests::should_test_recursive_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 algorithms::fib::tests::should_test_while_fib ... ok
[INFO] [stdout] test leetcode::easy::a_13::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_14::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_20::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_21::tests::test1 ... ok
[INFO] [stdout] test leetcode::easy::a_21::tests::test2 ... ok
[INFO] [stdout] test leetcode::easy::a_21::tests::test3 ... ok
[INFO] [stdout] test leetcode::easy::a_21::tests::test4 ... ok
[INFO] [stdout] test leetcode::easy::a_222::tests::test_dfs ... ok
[INFO] [stdout] test leetcode::easy::a_26::tests::test1 ... ok
[INFO] [stdout] test leetcode::easy::a_26::tests::test2 ... ok
[INFO] [stdout] test leetcode::easy::a_222::tests::test_bfs ... ok
[INFO] [stdout] test leetcode::easy::a_27::tests::test1 ... ok
[INFO] [stdout] test leetcode::easy::a_27::tests::test2 ... ok
[INFO] [stdout] test leetcode::easy::a_3110::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_58::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_66::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_67::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_67::tests::test_u128 ... ok
[INFO] [stdout] test leetcode::easy::a_28::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_35::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_69::tests::test ... ok
[INFO] [stdout] test patterns::singleton::tests::should_create_only_one_instance ... ok
[INFO] [stdout] test leetcode::medium::a_33::tests::test ... ok
[INFO] [stdout] test leetcode::tests::test ... ok
[INFO] [stdout] test leetcode::easy::a_69::tests::test_bruteforce ... ok
[INFO] [stdout] test leetcode::easy::a_70::tests::test ... 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 structures::vector::tests::should_create_vector ... ok
[INFO] [stdout] test structures::queue::tests::should_push_to_queue ... ok
[INFO] [stdout] test structures::vector::tests::should_pop_from_vector ... ok
[INFO] [stdout] test structures::vector::tests::should_push_to_vector ... ok
[INFO] [stdout] test leetcode::easy::a_9::tests::test ... ok
[INFO] [stdout] test leetcode::hard::a_4::tests::test ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- leetcode::hard::a_4::tests::test stdout ----
[INFO] [stdout] 0 4 = 2 || 0 4 = 2 --- 3 7
[INFO] [stdout] 3 4 = 3 || 0 2 = 1 --- 4 6
[INFO] [stdout] 4 4 = 3 || 0 1 = 0 --- 4 5
[INFO] [stdout] 4 0
[INFO] [stdout] 
[INFO] [stdout] thread 'leetcode::hard::a_4::tests::test' (50) panicked at src/leetcode/hard/a_4.rs:18:31:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c78b1e64672 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c78b1e64672 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c78b1e64672 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x5c78b1e64672 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x5c78b1e75267 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c78b1e75267 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x5c78b1e33426 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c78b1e33426 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5c78b1e43a39 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x5c78b1e43a39 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c78b1e438d1 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c78b1e0806e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5c78b1e0806e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c78b1e43cb2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5c78b1e43cb2 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c78b1e43b2a - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5c78b1e3f0c9 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x5c78b1e281ed - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c78b1e7c83c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c78b1e7c519 - core::panicking::panic_const::panic_const_sub_overflow::ha7812305f64855aa
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:175:17
[INFO] [stdout]   20:     0x5c78b1dd01bd - playground::leetcode::hard::a_4::find_median_sorted_arrays::h5c6912f30d5e4727
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/hard/a_4.rs:18:31
[INFO] [stdout]   21:     0x5c78b1dcc3fa - playground::leetcode::hard::a_4::tests::test::hffa3eb35d7559578
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/hard/a_4.rs:38:20
[INFO] [stdout]   22:     0x5c78b1dccc67 - playground::leetcode::hard::a_4::tests::test::{{closure}}::hee5e5e0bb8f71692
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/hard/a_4.rs:37:14
[INFO] [stdout]   23:     0x5c78b1ddd6f6 - core::ops::function::FnOnce::call_once::h8b85b01fc947f1b3
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c78b1e07e9b - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c78b1e07e9b - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5c78b1e1b82a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5c78b1e1b82a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5c78b1e1b82a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c78b1e1b82a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c78b1e1b82a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c78b1e1b82a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5c78b1e1b82a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5c78b1df5ac4 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5c78b1df5ac4 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x5c78b1df93f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x5c78b1df93f2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5c78b1df93f2 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c78b1df93f2 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c78b1df93f2 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c78b1df93f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x5c78b1df93f2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c78b1e3a75f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5c78b1e3a75f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7c0c933adaa4 - <unknown>
[INFO] [stdout]   45:     0x7c0c9343aa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     leetcode::hard::a_4::tests::test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 42 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "073f66b42fd4b73fd16d652289b82b3592f3f53dc1eb4816dbabe7b813c24943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073f66b42fd4b73fd16d652289b82b3592f3f53dc1eb4816dbabe7b813c24943", kill_on_drop: false }`
[INFO] [stdout] 073f66b42fd4b73fd16d652289b82b3592f3f53dc1eb4816dbabe7b813c24943
