[INFO] cloning repository https://github.com/simon-an/coding-kata-word-chain-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simon-an/coding-kata-word-chain-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-an%2Fcoding-kata-word-chain-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-an%2Fcoding-kata-word-chain-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73fa81f3427029a133085c428da82e8d90ba6875
[INFO] testing simon-an/coding-kata-word-chain-rs against 1.77.0 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-an%2Fcoding-kata-word-chain-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simon-an/coding-kata-word-chain-rs on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simon-an/coding-kata-word-chain-rs
[INFO] finished tweaking git repo https://github.com/simon-an/coding-kata-word-chain-rs
[INFO] tweaked toml for git repo https://github.com/simon-an/coding-kata-word-chain-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/simon-an/coding-kata-word-chain-rs 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" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7752a8a8c9c392259a64b13d48379d5d1376f15b0dc828d1b6acb600ec4f6295
[INFO] running `Command { std: "docker" "start" "-a" "7752a8a8c9c392259a64b13d48379d5d1376f15b0dc828d1b6acb600ec4f6295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7752a8a8c9c392259a64b13d48379d5d1376f15b0dc828d1b6acb600ec4f6295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7752a8a8c9c392259a64b13d48379d5d1376f15b0dc828d1b6acb600ec4f6295", kill_on_drop: false }`
[INFO] [stdout] 7752a8a8c9c392259a64b13d48379d5d1376f15b0dc828d1b6acb600ec4f6295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87e0198e8900a44fbb0d78b8f24e8d7ab87b8057f7bd6d5a41b9f4b21f9b645b
[INFO] running `Command { std: "docker" "start" "-a" "87e0198e8900a44fbb0d78b8f24e8d7ab87b8057f7bd6d5a41b9f4b21f9b645b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling os_str_bytes v4.2.0
[INFO] [stderr]    Compiling newline-converter v0.2.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]    Compiling clap v3.0.0-beta.5
[INFO] [stderr]    Compiling wordchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn solve(&self, start: &str, end: &str) -> Result<Vec<String>, &'static str> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn solve(&self, start: &str, end: &str) -> Result<Vec<String>, &'static str> {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut result: Vec<String> = vec![];
[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 variable: `results`
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         results: &Vec<String>,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         end: &str,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         len: usize,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blacklist`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         blacklist: &Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blacklist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wordlist` is never read
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Solver {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 33 |     wordlist: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_next_word` is never used
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Solver {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn find_next_word(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.44s
[INFO] running `Command { std: "docker" "inspect" "87e0198e8900a44fbb0d78b8f24e8d7ab87b8057f7bd6d5a41b9f4b21f9b645b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e0198e8900a44fbb0d78b8f24e8d7ab87b8057f7bd6d5a41b9f4b21f9b645b", kill_on_drop: false }`
[INFO] [stdout] 87e0198e8900a44fbb0d78b8f24e8d7ab87b8057f7bd6d5a41b9f4b21f9b645b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52e87c21482481767aa1c2a70d03359098a69f8c9cac4e75dd12ce80fd72fd2d
[INFO] running `Command { std: "docker" "start" "-a" "52e87c21482481767aa1c2a70d03359098a69f8c9cac4e75dd12ce80fd72fd2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling wordchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn solve(&self, start: &str, end: &str) -> Result<Vec<String>, &'static str> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn solve(&self, start: &str, end: &str) -> Result<Vec<String>, &'static str> {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut result: Vec<String> = vec![];
[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 variable: `results`
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         results: &Vec<String>,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         end: &str,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         len: usize,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blacklist`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         blacklist: &Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blacklist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wordlist` is never read
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Solver {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 33 |     wordlist: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "52e87c21482481767aa1c2a70d03359098a69f8c9cac4e75dd12ce80fd72fd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e87c21482481767aa1c2a70d03359098a69f8c9cac4e75dd12ce80fd72fd2d", kill_on_drop: false }`
[INFO] [stdout] 52e87c21482481767aa1c2a70d03359098a69f8c9cac4e75dd12ce80fd72fd2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f840646d35b071c11e7a6766bdfbcb41c0edaa37e4067b590f6bffceb5c05d9b
[INFO] running `Command { std: "docker" "start" "-a" "f840646d35b071c11e7a6766bdfbcb41c0edaa37e4067b590f6bffceb5c05d9b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/main.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn solve(&self, start: &str, end: &str) -> Result<Vec<String>, &'static str> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]   --> src/main.rs:44:34
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn solve(&self, start: &str, end: &str) -> Result<Vec<String>, &'static str> {
[INFO] [stderr]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let mut result: Vec<String> = vec![];
[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: unused variable: `results`
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         results: &Vec<String>,
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]   --> src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         end: &str,
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         len: usize,
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `blacklist`
[INFO] [stderr]   --> src/main.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         blacklist: &Vec<String>,
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blacklist`
[INFO] [stderr] 
[INFO] [stderr] warning: field `wordlist` is never read
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct Solver {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 33 |     wordlist: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `wordchain` (bin "wordchain" test) generated 8 warnings (run `cargo fix --bin "wordchain" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wordchain-c9f9f44030649ed5)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_load_world_list ... ok
[INFO] [stdout] test tests::test_find_next_word_2 ... FAILED
[INFO] [stdout] test tests::test_from_ruby_to_code ... FAILED
[INFO] [stdout] test tests::test_from_lead_to_gold ... FAILED
[INFO] [stdout] test tests::test_from_cat_to_dog ... FAILED
[INFO] [stdout] test tests::test_find_next_word ... FAILED
[INFO] [stdout] test tests::test_word_list ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_find_next_word_2 stdout ----
[INFO] [stdout] thread 'tests::test_find_next_word_2' panicked at src/main.rs:105:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ["ruby", "rube", "robe"]
[INFO] [stdout]  right: []
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56027a0b6c96 - std::backtrace_rs::backtrace::libunwind::trace::h92ba5ac126ecc5ad
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56027a0b6c96 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa118b6e3a8f31a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56027a0b6c96 - std::sys_common::backtrace::_print_fmt::h2075f185adf13bbd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56027a0b6c96 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c4bd387f9f3f544
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56027a0df910 - core::fmt::rt::Argument::fmt::h018ecebdf268b5bb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56027a0df910 - core::fmt::write::h938c332fdab924eb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56027a0b457f - std::io::Write::write_fmt::hf5d6d29a094a9ad9
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56027a0b6a74 - std::sys_common::backtrace::_print::h3595c0f4303f3ccd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56027a0b6a74 - std::sys_common::backtrace::print::ha888e6736b0bc71f
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56027a0b87e7 - std::panicking::default_hook::{{closure}}::he19a7f79f7beab5e
[INFO] [stdout]   10:     0x56027a0b84cd - std::panicking::default_hook::h67efe04e9a5d446e
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56027a081f57 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha485cc981b933d53
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56027a081f57 - test::test_main::{{closure}}::h970c4d535211cea5
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56027a0b8e06 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9c9759b104a0af15
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56027a0b8e06 - std::panicking::rust_panic_with_hook::h49021cdbc4b22349
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56027a0b8b52 - std::panicking::begin_panic_handler::{{closure}}::hfbf601f3d8c62d13
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56027a0b7196 - std::sys_common::backtrace::__rust_end_short_backtrace::h98dd020b6e913806
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56027a0b88a4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56027a046775 - core::panicking::panic_fmt::h0d3f1893e38be419
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56027a046bab - core::panicking::assert_failed_inner::he66e930fc360d575
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x56027a0494fe - core::panicking::assert_failed::h8dd0bbe1fee13964
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x56027a04c1c8 - wordchain::tests::test_find_next_word_2::h433017a46c130e1e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:105:9
[INFO] [stdout]   22:     0x56027a04bb77 - wordchain::tests::test_find_next_word_2::{{closure}}::h39e564c4ddb601ce
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:95:31
[INFO] [stdout]   23:     0x56027a048306 - core::ops::function::FnOnce::call_once::h4e03b4a19978bd38
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56027a087b4f - core::ops::function::FnOnce::call_once::hc4365f2905c13fb3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56027a087b4f - test::__rust_begin_short_backtrace::h23efa09c82420171
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x56027a086971 - test::run_test_in_process::{{closure}}::hf1473bb1a6c04edb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x56027a086971 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hff07c3f39ec1a940
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56027a086971 - std::panicking::try::do_call::h344a2a0d830f8cdb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x56027a086971 - std::panicking::try::h307dc78c49c41dfc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x56027a086971 - std::panic::catch_unwind::h09ff4c41f37beb25
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x56027a086971 - test::run_test_in_process::h25a8f909b68e3831
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x56027a086971 - test::run_test::{{closure}}::h9934b77d061da8ff
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x56027a04dd56 - test::run_test::{{closure}}::hc3fe15393b08198a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x56027a04dd56 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2751c43450246c92
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h1c68a4efdf3a14d2
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x56027a052d97 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he4aa23e023cec824
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56027a052d97 - std::panicking::try::do_call::hb75ff41794a19e9d
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x56027a052d97 - std::panicking::try::ha7903bccf307108c
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x56027a052d97 - std::panic::catch_unwind::h85a1dff12b1bcadc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::h2c9f92cbe6cfd7e3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x56027a052d97 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d4afe73c576828a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4f08d401a486e446
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3476dfcdba628abc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x56027a0bd1a5 - std::sys::pal::unix::thread::Thread::new::thread_start::h2770ac7f8882db09
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fbad6db2ac3 - <unknown>
[INFO] [stdout]   46:     0x7fbad6e43bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_from_ruby_to_code stdout ----
[INFO] [stdout] solved in 0.00000019s
[INFO] [stdout] thread 'tests::test_from_ruby_to_code' panicked at src/main.rs:177:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 5
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56027a0b6c96 - std::backtrace_rs::backtrace::libunwind::trace::h92ba5ac126ecc5ad
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56027a0b6c96 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa118b6e3a8f31a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56027a0b6c96 - std::sys_common::backtrace::_print_fmt::h2075f185adf13bbd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56027a0b6c96 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c4bd387f9f3f544
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56027a0df910 - core::fmt::rt::Argument::fmt::h018ecebdf268b5bb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56027a0df910 - core::fmt::write::h938c332fdab924eb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56027a0b457f - std::io::Write::write_fmt::hf5d6d29a094a9ad9
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56027a0b6a74 - std::sys_common::backtrace::_print::h3595c0f4303f3ccd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56027a0b6a74 - std::sys_common::backtrace::print::ha888e6736b0bc71f
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56027a0b87e7 - std::panicking::default_hook::{{closure}}::he19a7f79f7beab5e
[INFO] [stdout]   10:     0x56027a0b84cd - std::panicking::default_hook::h67efe04e9a5d446e
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56027a081f57 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha485cc981b933d53
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56027a081f57 - test::test_main::{{closure}}::h970c4d535211cea5
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56027a0b8e06 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9c9759b104a0af15
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56027a0b8e06 - std::panicking::rust_panic_with_hook::h49021cdbc4b22349
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56027a0b8b52 - std::panicking::begin_panic_handler::{{closure}}::hfbf601f3d8c62d13
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56027a0b7196 - std::sys_common::backtrace::__rust_end_short_backtrace::h98dd020b6e913806
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56027a0b88a4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56027a046775 - core::panicking::panic_fmt::h0d3f1893e38be419
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56027a046bab - core::panicking::assert_failed_inner::he66e930fc360d575
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x56027a09273e - core::panicking::assert_failed::hbbf79d6c0e7aca76
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x56027a04d6e9 - wordchain::tests::test_from_ruby_to_code::h2e643e4b0f10bfda
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:177:9
[INFO] [stdout]   22:     0x56027a04d467 - wordchain::tests::test_from_ruby_to_code::{{closure}}::h0bedad4046591e72
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:171:32
[INFO] [stdout]   23:     0x56027a0483c6 - core::ops::function::FnOnce::call_once::h77ede9096f9642c5
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56027a087b4f - core::ops::function::FnOnce::call_once::hc4365f2905c13fb3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56027a087b4f - test::__rust_begin_short_backtrace::h23efa09c82420171
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x56027a086971 - test::run_test_in_process::{{closure}}::hf1473bb1a6c04edb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x56027a086971 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hff07c3f39ec1a940
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56027a086971 - std::panicking::try::do_call::h344a2a0d830f8cdb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x56027a086971 - std::panicking::try::h307dc78c49c41dfc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x56027a086971 - std::panic::catch_unwind::h09ff4c41f37beb25
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x56027a086971 - test::run_test_in_process::h25a8f909b68e3831
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x56027a086971 - test::run_test::{{closure}}::h9934b77d061da8ff
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x56027a04dd56 - test::run_test::{{closure}}::hc3fe15393b08198a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x56027a04dd56 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2751c43450246c92
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h1c68a4efdf3a14d2
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x56027a052d97 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he4aa23e023cec824
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56027a052d97 - std::panicking::try::do_call::hb75ff41794a19e9d
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x56027a052d97 - std::panicking::try::ha7903bccf307108c
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x56027a052d97 - std::panic::catch_unwind::h85a1dff12b1bcadc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::h2c9f92cbe6cfd7e3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x56027a052d97 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d4afe73c576828a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4f08d401a486e446
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3476dfcdba628abc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x56027a0bd1a5 - std::sys::pal::unix::thread::Thread::new::thread_start::h2770ac7f8882db09
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fbad6db2ac3 - <unknown>
[INFO] [stdout]   46:     0x7fbad6e43bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_from_lead_to_gold stdout ----
[INFO] [stdout] solved in 0.000000131s
[INFO] [stdout] thread 'tests::test_from_lead_to_gold' panicked at src/main.rs:160:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ["lead", "load", "goad", "gold"]
[INFO] [stdout]  right: []
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56027a0b6c96 - std::backtrace_rs::backtrace::libunwind::trace::h92ba5ac126ecc5ad
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56027a0b6c96 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa118b6e3a8f31a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56027a0b6c96 - std::sys_common::backtrace::_print_fmt::h2075f185adf13bbd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56027a0b6c96 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c4bd387f9f3f544
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56027a0df910 - core::fmt::rt::Argument::fmt::h018ecebdf268b5bb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56027a0df910 - core::fmt::write::h938c332fdab924eb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56027a0b457f - std::io::Write::write_fmt::hf5d6d29a094a9ad9
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56027a0b6a74 - std::sys_common::backtrace::_print::h3595c0f4303f3ccd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56027a0b6a74 - std::sys_common::backtrace::print::ha888e6736b0bc71f
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56027a0b87e7 - std::panicking::default_hook::{{closure}}::he19a7f79f7beab5e
[INFO] [stdout]   10:     0x56027a0b84cd - std::panicking::default_hook::h67efe04e9a5d446e
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56027a081f57 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha485cc981b933d53
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56027a081f57 - test::test_main::{{closure}}::h970c4d535211cea5
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56027a0b8e06 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9c9759b104a0af15
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56027a0b8e06 - std::panicking::rust_panic_with_hook::h49021cdbc4b22349
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56027a0b8b52 - std::panicking::begin_panic_handler::{{closure}}::hfbf601f3d8c62d13
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56027a0b7196 - std::sys_common::backtrace::__rust_end_short_backtrace::h98dd020b6e913806
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56027a0b88a4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56027a046775 - core::panicking::panic_fmt::h0d3f1893e38be419
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56027a046bab - core::panicking::assert_failed_inner::he66e930fc360d575
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x56027a0494fe - core::panicking::assert_failed::h8dd0bbe1fee13964
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x56027a04d3b0 - wordchain::tests::test_from_lead_to_gold::h4deab4ee502843fb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:160:9
[INFO] [stdout]   22:     0x56027a04cf37 - wordchain::tests::test_from_lead_to_gold::{{closure}}::hb9159c6bc7f80aa2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:153:32
[INFO] [stdout]   23:     0x56027a048346 - core::ops::function::FnOnce::call_once::h687f8baff1015883
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56027a087b4f - core::ops::function::FnOnce::call_once::hc4365f2905c13fb3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56027a087b4f - test::__rust_begin_short_backtrace::h23efa09c82420171
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x56027a086971 - test::run_test_in_process::{{closure}}::hf1473bb1a6c04edb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x56027a086971 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hff07c3f39ec1a940
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56027a086971 - std::panicking::try::do_call::h344a2a0d830f8cdb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x56027a086971 - std::panicking::try::h307dc78c49c41dfc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x56027a086971 - std::panic::catch_unwind::h09ff4c41f37beb25
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x56027a086971 - test::run_test_in_process::h25a8f909b68e3831
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x56027a086971 - test::run_test::{{closure}}::h9934b77d061da8ff
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x56027a04dd56 - test::run_test::{{closure}}::hc3fe15393b08198a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x56027a04dd56 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2751c43450246c92
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h1c68a4efdf3a14d2
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x56027a052d97 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he4aa23e023cec824
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56027a052d97 - std::panicking::try::do_call::hb75ff41794a19e9d
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x56027a052d97 - std::panicking::try::ha7903bccf307108c
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x56027a052d97 - std::panic::catch_unwind::h85a1dff12b1bcadc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::h2c9f92cbe6cfd7e3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x56027a052d97 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d4afe73c576828a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4f08d401a486e446
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3476dfcdba628abc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x56027a0bd1a5 - std::sys::pal::unix::thread::Thread::new::thread_start::h2770ac7f8882db09
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fbad6db2ac3 - <unknown>
[INFO] [stdout]   46:     0x7fbad6e43bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_from_cat_to_dog stdout ----
[INFO] [stdout] solved in 0.0000002s
[INFO] [stdout] thread 'tests::test_from_cat_to_dog' panicked at src/main.rs:142:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ["cat", "cot", "cog", "dog"]
[INFO] [stdout]  right: []
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56027a0b6c96 - std::backtrace_rs::backtrace::libunwind::trace::h92ba5ac126ecc5ad
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56027a0b6c96 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa118b6e3a8f31a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56027a0b6c96 - std::sys_common::backtrace::_print_fmt::h2075f185adf13bbd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56027a0b6c96 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c4bd387f9f3f544
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56027a0df910 - core::fmt::rt::Argument::fmt::h018ecebdf268b5bb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56027a0df910 - core::fmt::write::h938c332fdab924eb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56027a0b457f - std::io::Write::write_fmt::hf5d6d29a094a9ad9
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56027a0b6a74 - std::sys_common::backtrace::_print::h3595c0f4303f3ccd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56027a0b6a74 - std::sys_common::backtrace::print::ha888e6736b0bc71f
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56027a0b87e7 - std::panicking::default_hook::{{closure}}::he19a7f79f7beab5e
[INFO] [stdout]   10:     0x56027a0b84cd - std::panicking::default_hook::h67efe04e9a5d446e
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56027a081f57 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha485cc981b933d53
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56027a081f57 - test::test_main::{{closure}}::h970c4d535211cea5
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56027a0b8e06 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9c9759b104a0af15
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56027a0b8e06 - std::panicking::rust_panic_with_hook::h49021cdbc4b22349
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56027a0b8b52 - std::panicking::begin_panic_handler::{{closure}}::hfbf601f3d8c62d13
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56027a0b7196 - std::sys_common::backtrace::__rust_end_short_backtrace::h98dd020b6e913806
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56027a0b88a4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56027a046775 - core::panicking::panic_fmt::h0d3f1893e38be419
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56027a046bab - core::panicking::assert_failed_inner::he66e930fc360d575
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x56027a0494fe - core::panicking::assert_failed::h8dd0bbe1fee13964
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x56027a04cec3 - wordchain::tests::test_from_cat_to_dog::h6bb16dcfa70cac85
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:142:9
[INFO] [stdout]   22:     0x56027a04ca47 - wordchain::tests::test_from_cat_to_dog::{{closure}}::h655573d47ab731b3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:133:30
[INFO] [stdout]   23:     0x56027a048406 - core::ops::function::FnOnce::call_once::ha4b6d625b4c1a6e2
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56027a087b4f - core::ops::function::FnOnce::call_once::hc4365f2905c13fb3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56027a087b4f - test::__rust_begin_short_backtrace::h23efa09c82420171
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x56027a086971 - test::run_test_in_process::{{closure}}::hf1473bb1a6c04edb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x56027a086971 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hff07c3f39ec1a940
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56027a086971 - std::panicking::try::do_call::h344a2a0d830f8cdb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x56027a086971 - std::panicking::try::h307dc78c49c41dfc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x56027a086971 - std::panic::catch_unwind::h09ff4c41f37beb25
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x56027a086971 - test::run_test_in_process::h25a8f909b68e3831
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x56027a086971 - test::run_test::{{closure}}::h9934b77d061da8ff
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x56027a04dd56 - test::run_test::{{closure}}::hc3fe15393b08198a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x56027a04dd56 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2751c43450246c92
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h1c68a4efdf3a14d2
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x56027a052d97 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he4aa23e023cec824
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56027a052d97 - std::panicking::try::do_call::hb75ff41794a19e9d
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x56027a052d97 - std::panicking::try::ha7903bccf307108c
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x56027a052d97 - std::panic::catch_unwind::h85a1dff12b1bcadc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::h2c9f92cbe6cfd7e3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x56027a052d97 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d4afe73c576828a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4f08d401a486e446
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3476dfcdba628abc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x56027a0bd1a5 - std::sys::pal::unix::thread::Thread::new::thread_start::h2770ac7f8882db09
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fbad6db2ac3 - <unknown>
[INFO] [stdout]   46:     0x7fbad6e43bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_find_next_word stdout ----
[INFO] [stdout] thread 'tests::test_find_next_word' panicked at src/main.rs:92:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ["ruby", "rubs"]
[INFO] [stdout]  right: []
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56027a0b6c96 - std::backtrace_rs::backtrace::libunwind::trace::h92ba5ac126ecc5ad
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56027a0b6c96 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa118b6e3a8f31a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56027a0b6c96 - std::sys_common::backtrace::_print_fmt::h2075f185adf13bbd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56027a0b6c96 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c4bd387f9f3f544
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56027a0df910 - core::fmt::rt::Argument::fmt::h018ecebdf268b5bb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56027a0df910 - core::fmt::write::h938c332fdab924eb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56027a0b457f - std::io::Write::write_fmt::hf5d6d29a094a9ad9
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56027a0b6a74 - std::sys_common::backtrace::_print::h3595c0f4303f3ccd
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56027a0b6a74 - std::sys_common::backtrace::print::ha888e6736b0bc71f
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56027a0b87e7 - std::panicking::default_hook::{{closure}}::he19a7f79f7beab5e
[INFO] [stdout]   10:     0x56027a0b84cd - std::panicking::default_hook::h67efe04e9a5d446e
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56027a081f57 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha485cc981b933d53
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56027a081f57 - test::test_main::{{closure}}::h970c4d535211cea5
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56027a0b8e06 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9c9759b104a0af15
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56027a0b8e06 - std::panicking::rust_panic_with_hook::h49021cdbc4b22349
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56027a0b8b52 - std::panicking::begin_panic_handler::{{closure}}::hfbf601f3d8c62d13
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56027a0b7196 - std::sys_common::backtrace::__rust_end_short_backtrace::h98dd020b6e913806
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56027a0b88a4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56027a046775 - core::panicking::panic_fmt::h0d3f1893e38be419
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56027a046bab - core::panicking::assert_failed_inner::he66e930fc360d575
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x56027a0494fe - core::panicking::assert_failed::h8dd0bbe1fee13964
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x56027a04bb03 - wordchain::tests::test_find_next_word::h0249568011066682
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:92:9
[INFO] [stdout]   22:     0x56027a04b677 - wordchain::tests::test_find_next_word::{{closure}}::h833a4e6f56fecb8c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:87:29
[INFO] [stdout]   23:     0x56027a048386 - core::ops::function::FnOnce::call_once::h6c0e9eba50c59914
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56027a087b4f - core::ops::function::FnOnce::call_once::hc4365f2905c13fb3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56027a087b4f - test::__rust_begin_short_backtrace::h23efa09c82420171
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x56027a086971 - test::run_test_in_process::{{closure}}::hf1473bb1a6c04edb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x56027a086971 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hff07c3f39ec1a940
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x56027a086971 - std::panicking::try::do_call::h344a2a0d830f8cdb
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x56027a086971 - std::panicking::try::h307dc78c49c41dfc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x56027a086971 - std::panic::catch_unwind::h09ff4c41f37beb25
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x56027a086971 - test::run_test_in_process::h25a8f909b68e3831
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x56027a086971 - test::run_test::{{closure}}::h9934b77d061da8ff
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x56027a04dd56 - test::run_test::{{closure}}::hc3fe15393b08198a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x56027a04dd56 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2751c43450246c92
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h1c68a4efdf3a14d2
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x56027a052d97 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he4aa23e023cec824
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x56027a052d97 - std::panicking::try::do_call::hb75ff41794a19e9d
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x56027a052d97 - std::panicking::try::ha7903bccf307108c
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x56027a052d97 - std::panic::catch_unwind::h85a1dff12b1bcadc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x56027a052d97 - std::thread::Builder::spawn_unchecked_::{{closure}}::h2c9f92cbe6cfd7e3
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x56027a052d97 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d4afe73c576828a
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4f08d401a486e446
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56027a0bd1a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3476dfcdba628abc
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x56027a0bd1a5 - std::sys::pal::unix::thread::Thread::new::thread_start::h2770ac7f8882db09
[INFO] [stdout]                                at /rustc/aedd173a2c086e558c2b66d3743b344f977621a7/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fbad6db2ac3 - <unknown>
[INFO] [stdout]   46:     0x7fbad6e43bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_find_next_word
[INFO] [stdout]     tests::test_find_next_word_2
[INFO] [stdout]     tests::test_from_cat_to_dog
[INFO] [stdout]     tests::test_from_lead_to_gold
[INFO] [stdout]     tests::test_from_ruby_to_code
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.86s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin wordchain`
[INFO] running `Command { std: "docker" "inspect" "f840646d35b071c11e7a6766bdfbcb41c0edaa37e4067b590f6bffceb5c05d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f840646d35b071c11e7a6766bdfbcb41c0edaa37e4067b590f6bffceb5c05d9b", kill_on_drop: false }`
[INFO] [stdout] f840646d35b071c11e7a6766bdfbcb41c0edaa37e4067b590f6bffceb5c05d9b
[INFO] testing simon-an/coding-kata-word-chain-rs against beta-2024-03-24 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-an%2Fcoding-kata-word-chain-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-1-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.fetch' to '+refs/heads/*:refs/remotes/origin/*'
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[INFO] testing simon-an/coding-kata-word-chain-rs against beta-2024-03-24 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-an%2Fcoding-kata-word-chain-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-1-tc2/source': No space left on device
[INFO] testing simon-an/coding-kata-word-chain-rs against beta-2024-03-24 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-an%2Fcoding-kata-word-chain-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-1-tc2/source': No space left on device
[INFO] testing simon-an/coding-kata-word-chain-rs against beta-2024-03-24 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-an%2Fcoding-kata-word-chain-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-1-tc2/source': No space left on device
[INFO] testing simon-an/coding-kata-word-chain-rs against beta-2024-03-24 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-an%2Fcoding-kata-word-chain-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-1-tc2/source': No space left on device
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/simon-an/coding-kata-word-chain-rs
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.