[INFO] cloning repository https://github.com/shakyShane/dsa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shakyShane/dsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fdsa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fdsa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cf73728bd5bd28f189f8d263bf02000f72984f9
[INFO] testing shakyShane/dsa against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fdsa" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shakyShane/dsa on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shakyShane/dsa
[INFO] finished tweaking git repo https://github.com/shakyShane/dsa
[INFO] tweaked toml for git repo https://github.com/shakyShane/dsa written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/shakyShane/dsa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec2153d3d340ec6aa9bc7f2c97c2cff75dc33821900a1352bb7cc9ddf9cfa568
[INFO] running `Command { std: "docker" "start" "-a" "ec2153d3d340ec6aa9bc7f2c97c2cff75dc33821900a1352bb7cc9ddf9cfa568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2153d3d340ec6aa9bc7f2c97c2cff75dc33821900a1352bb7cc9ddf9cfa568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2153d3d340ec6aa9bc7f2c97c2cff75dc33821900a1352bb7cc9ddf9cfa568", kill_on_drop: false }`
[INFO] [stdout] ec2153d3d340ec6aa9bc7f2c97c2cff75dc33821900a1352bb7cc9ddf9cfa568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bbd5dbd0836a99948d43747189724636d9b23fbcbd1aaabb83d0bb8fa3324e3
[INFO] running `Command { std: "docker" "start" "-a" "9bbd5dbd0836a99948d43747189724636d9b23fbcbd1aaabb83d0bb8fa3324e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/coins.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `balanced_recursive`
[INFO] [stdout]  --> src/balanced_recursive.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn balanced_recursive(input: &str) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expect`
[INFO] [stdout]  --> src/balanced_recursive.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn expect(end: Option<char>, input: &mut Chars) -> bool {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `balanced`
[INFO] [stdout]  --> src/balanced_stack.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn balanced(input: &str) -> bool {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]   --> src/binary_search.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn binary_search(k: i32, items: &[i32]) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_matrix`
[INFO] [stdout]  --> src/coins.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn count_matrix(matrix: &[Vec<usize>]) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `coins`
[INFO] [stdout]  --> src/coins.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn coins(m: usize, n: usize, matrix: &[Vec<usize>]) -> usize {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quicksort`
[INFO] [stdout]  --> src/quick_sort_1.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn quicksort(a: &mut [usize], lo: usize, hi: usize) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `partition`
[INFO] [stdout]   --> src/quick_sort_1.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn partition(a: &mut [usize], lo: usize, hi: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap`
[INFO] [stdout]   --> src/quick_sort_1.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn swap(a: &mut [usize], lo: usize, hi: usize) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/serialize_tree.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/serialize_tree.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn serialize(root: &Option<Box<Node>>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tree`
[INFO] [stdout]   --> src/serialize_tree.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Tree {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `deserialize`
[INFO] [stdout]   --> src/serialize_tree.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn deserialize(&mut self) -> Option<Box<Node>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]   --> src/serialize_tree.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn from_str(input: impl Into<String>) -> Tree {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/unival_subtrees.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(value: impl Into<String>, left: Option<Box<Node>>, right: Option<Box<Node>>) -> Node {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_unival_subtrees`
[INFO] [stdout]   --> src/unival_subtrees.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn count_unival_subtrees(root: &Option<Box<Node>>) -> (usize, bool) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_of_two_bruteforce`
[INFO] [stdout]  --> src/sum_of_two.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn sum_of_two_bruteforce(arr1: &[usize], arr2: &[usize], value: usize) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_of_two`
[INFO] [stdout]   --> src/sum_of_two.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn sum_of_two(arr1: &[usize], arr2: &[usize], value: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_of_two_functional`
[INFO] [stdout]   --> src/sum_of_two.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn sum_of_two_functional(arr1: &[usize], arr2: &[usize], value: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bbd5dbd0836a99948d43747189724636d9b23fbcbd1aaabb83d0bb8fa3324e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbd5dbd0836a99948d43747189724636d9b23fbcbd1aaabb83d0bb8fa3324e3", kill_on_drop: false }`
[INFO] [stdout] 9bbd5dbd0836a99948d43747189724636d9b23fbcbd1aaabb83d0bb8fa3324e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73185c287f8e58bf5109ac4b447e3818659d71533631ef5115aafa95f2dc04a5
[INFO] running `Command { std: "docker" "start" "-a" "73185c287f8e58bf5109ac4b447e3818659d71533631ef5115aafa95f2dc04a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/coins.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_matrix`
[INFO] [stdout]  --> src/coins.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn count_matrix(matrix: &[Vec<usize>]) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "73185c287f8e58bf5109ac4b447e3818659d71533631ef5115aafa95f2dc04a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73185c287f8e58bf5109ac4b447e3818659d71533631ef5115aafa95f2dc04a5", kill_on_drop: false }`
[INFO] [stdout] 73185c287f8e58bf5109ac4b447e3818659d71533631ef5115aafa95f2dc04a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e1374af9374047c6d6d479db580e9acb47054727d616cf32c9622144fa79104
[INFO] running `Command { std: "docker" "start" "-a" "6e1374af9374047c6d6d479db580e9acb47054727d616cf32c9622144fa79104", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/coins.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_matrix`
[INFO] [stderr]  --> src/coins.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn count_matrix(matrix: &[Vec<usize>]) -> usize {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dsa-13501594780f7bb2)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test balanced_recursive::test_balanced_recursive ... ok
[INFO] [stdout] test binary_search::test_binary_search ... ok
[INFO] [stdout] test coins::test_coins ... ok
[INFO] [stdout] test serialize_tree::test_deserialize ... ok
[INFO] [stdout] test quick_sort_1::test_quick_sort_1 ... ok
[INFO] [stdout] test serialize_tree::test_serialize_deserialize ... ok
[INFO] [stdout] test sum_of_two::test_sum_of_two ... ok
[INFO] [stdout] test sum_of_two::test_sum_of_two_bruteforce ... ok
[INFO] [stdout] test sum_of_two::test_sum_of_two_functional ... ok
[INFO] [stdout] test unival_subtrees::test_count_unival_subtrees ... ok
[INFO] [stdout] test balanced_stack::test_balanced ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- balanced_stack::test_balanced stdout ----
[INFO] [stdout] thread 'balanced_stack::test_balanced' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `false`,
[INFO] [stdout]  right: `true`', src/balanced_stack.rs:18:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555cba8860e0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x555cba8860e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555cba8860e0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555cba8860e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x555cba8a88dc - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x555cba883005 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x555cba88824b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x555cba88824b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x555cba88824b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x555cba887d5c - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x555cba888914 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x555cba8883f7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x555cba8865dc - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x555cba888359 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x555cba817651 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x555cba8a71f8 - core::panicking::assert_failed_inner::h33b45280069a80ed
[INFO] [stdout]   16:     0x555cba82b83a - core::panicking::assert_failed::h3d8f63cfe02c7963
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x555cba82c50e - dsa::balanced_stack::test_balanced::h52d3798a72ba405b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/balanced_stack.rs:18:5
[INFO] [stdout]   18:     0x555cba82c42a - dsa::balanced_stack::test_balanced::{{closure}}::h66da90586e02471c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/balanced_stack.rs:17:1
[INFO] [stdout]   19:     0x555cba828d3e - core::ops::function::FnOnce::call_once::h7efb867a049f8404
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x555cba85d5e3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x555cba85d5e3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x555cba85c0a0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x555cba85c0a0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x555cba85c0a0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x555cba85c0a0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x555cba85c0a0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x555cba85c0a0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x555cba85c0a0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x555cba835752 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x555cba835752 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x555cba839308 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x555cba839308 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x555cba839308 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x555cba839308 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x555cba839308 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x555cba839308 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x555cba839308 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x555cba88d3d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x555cba88d3d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x555cba88d3d7 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7faff0b46609 - start_thread
[INFO] [stdout]   42:     0x7faff0918293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     balanced_stack::test_balanced
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin dsa'
[INFO] running `Command { std: "docker" "inspect" "6e1374af9374047c6d6d479db580e9acb47054727d616cf32c9622144fa79104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1374af9374047c6d6d479db580e9acb47054727d616cf32c9622144fa79104", kill_on_drop: false }`
[INFO] [stdout] 6e1374af9374047c6d6d479db580e9acb47054727d616cf32c9622144fa79104
