[INFO] cloning repository https://github.com/baiango/BytePiece
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baiango/BytePiece" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaiango%2FBytePiece", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaiango%2FBytePiece'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 392d5db35296e7b8f0ad2ef92cee6887ee4aa8da
[INFO] testing baiango/BytePiece against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaiango%2FBytePiece" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/baiango/BytePiece
[INFO] finished tweaking git repo https://github.com/baiango/BytePiece
[INFO] tweaked toml for git repo https://github.com/baiango/BytePiece written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/baiango/BytePiece on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/baiango/BytePiece 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62fa633948282ca0c3b5cf88827ff62e6936f1087e79766617d099db4899adc5
[INFO] running `Command { std: "docker" "start" "-a" "62fa633948282ca0c3b5cf88827ff62e6936f1087e79766617d099db4899adc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62fa633948282ca0c3b5cf88827ff62e6936f1087e79766617d099db4899adc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62fa633948282ca0c3b5cf88827ff62e6936f1087e79766617d099db4899adc5", kill_on_drop: false }`
[INFO] [stdout] 62fa633948282ca0c3b5cf88827ff62e6936f1087e79766617d099db4899adc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19cd36be4b81e47cd7c05d9cc5c897108009a2375fdf4fca8e610d62d948f59a
[INFO] running `Command { std: "docker" "start" "-a" "19cd36be4b81e47cd7c05d9cc5c897108009a2375fdf4fca8e610d62d948f59a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling tokenizer_trainer_bin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |       let partial_arg_msg = (
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 51 | |         // Try not to go over 80 characters!
[INFO] [stdout] 52 | |         format!("Usage: {} [parameter_1,parameter_2..] file\n", args[0])
[INFO] [stdout]    | |_____^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |           + "  tcb=      Training chunk bytes. Around 0(n ** 2 * 256) memory.\n"
[INFO] [stdout]    |  _______________________________________________________________________________^
[INFO] [stdout] 69 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 ~     let partial_arg_msg = format!("Usage: {} [parameter_1,parameter_2..] file\n", args[0])
[INFO] [stdout] 51 |         + "E.g.: tokenizer_trainer_bin v=0b0_1111,br=0x3fff,mt=0 pexels-pixabay-302743.jpg\n"
[INFO] [stdout] ...
[INFO] [stdout] 65 |         + "            None to use single.\n"
[INFO] [stdout] 66 ~         + "  tcb=      Training chunk bytes. Around 0(n ** 2 * 256) memory.\n";
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/tok_codec.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn encode(&self, bytes: &[u8]) {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEMO_STRING` is never used
[INFO] [stdout]  --> src/tok_codec.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const DEMO_STRING: &[u8] = b"The quick brown fox jumps over the lazy dog.";
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokCodec` is never constructed
[INFO] [stdout]   --> src/tok_codec.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct TokCodec {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_longest_bytes_iter`, `encode`, and `decode` are never used
[INFO] [stdout]   --> src/tok_codec.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl TokCodec {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     fn new(file_path: &str) -> TokCodec {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn from_longest_bytes_iter(&self) -> impl Iterator<Item = (Vec<u8>, i32)> + '_ {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn encode(&self, bytes: &[u8]) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn decode(&self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `demo` is never used
[INFO] [stdout]   --> src/tok_codec.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn demo() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.42s
[INFO] running `Command { std: "docker" "inspect" "19cd36be4b81e47cd7c05d9cc5c897108009a2375fdf4fca8e610d62d948f59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19cd36be4b81e47cd7c05d9cc5c897108009a2375fdf4fca8e610d62d948f59a", kill_on_drop: false }`
[INFO] [stdout] 19cd36be4b81e47cd7c05d9cc5c897108009a2375fdf4fca8e610d62d948f59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48efbdb23d0ba2e77d34e5306b32dafe77d50706ecde47525a16f6680d461a8a
[INFO] running `Command { std: "docker" "start" "-a" "48efbdb23d0ba2e77d34e5306b32dafe77d50706ecde47525a16f6680d461a8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokenizer_trainer_bin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 |       let partial_arg_msg = (
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 51 | |         // Try not to go over 80 characters!
[INFO] [stdout] 52 | |         format!("Usage: {} [parameter_1,parameter_2..] file\n", args[0])
[INFO] [stdout]    | |_____^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |           + "  tcb=      Training chunk bytes. Around 0(n ** 2 * 256) memory.\n"
[INFO] [stdout]    |  _______________________________________________________________________________^
[INFO] [stdout] 69 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 ~     let partial_arg_msg = format!("Usage: {} [parameter_1,parameter_2..] file\n", args[0])
[INFO] [stdout] 51 |         + "E.g.: tokenizer_trainer_bin v=0b0_1111,br=0x3fff,mt=0 pexels-pixabay-302743.jpg\n"
[INFO] [stdout] ...
[INFO] [stdout] 65 |         + "            None to use single.\n"
[INFO] [stdout] 66 ~         + "  tcb=      Training chunk bytes. Around 0(n ** 2 * 256) memory.\n";
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/tok_codec.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn encode(&self, bytes: &[u8]) {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEMO_STRING` is never used
[INFO] [stdout]  --> src/tok_codec.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const DEMO_STRING: &[u8] = b"The quick brown fox jumps over the lazy dog.";
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokCodec` is never constructed
[INFO] [stdout]   --> src/tok_codec.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct TokCodec {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_longest_bytes_iter`, `encode`, and `decode` are never used
[INFO] [stdout]   --> src/tok_codec.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl TokCodec {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 16 |     fn new(file_path: &str) -> TokCodec {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn from_longest_bytes_iter(&self) -> impl Iterator<Item = (Vec<u8>, i32)> + '_ {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn encode(&self, bytes: &[u8]) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn decode(&self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `demo` is never used
[INFO] [stdout]   --> src/tok_codec.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn demo() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "48efbdb23d0ba2e77d34e5306b32dafe77d50706ecde47525a16f6680d461a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48efbdb23d0ba2e77d34e5306b32dafe77d50706ecde47525a16f6680d461a8a", kill_on_drop: false }`
[INFO] [stdout] 48efbdb23d0ba2e77d34e5306b32dafe77d50706ecde47525a16f6680d461a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ceac75ae52f797957ece67b07f5d13defab6f527150efb66fafcd2a48cadddf2
[INFO] running `Command { std: "docker" "start" "-a" "ceac75ae52f797957ece67b07f5d13defab6f527150efb66fafcd2a48cadddf2", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |       let partial_arg_msg = (
[INFO] [stderr]    |  ___________________________^
[INFO] [stderr] 51 | |         // Try not to go over 80 characters!
[INFO] [stderr] 52 | |         format!("Usage: {} [parameter_1,parameter_2..] file\n", args[0])
[INFO] [stderr]    | |_____^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |           + "  tcb=      Training chunk bytes. Around 0(n ** 2 * 256) memory.\n"
[INFO] [stderr]    |  _______________________________________________________________________________^
[INFO] [stderr] 69 | |     );
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 50 ~     let partial_arg_msg = format!("Usage: {} [parameter_1,parameter_2..] file\n", args[0])
[INFO] [stderr] 51 |         + "E.g.: tokenizer_trainer_bin v=0b0_1111,br=0x3fff,mt=0 pexels-pixabay-302743.jpg\n"
[INFO] [stderr] ...
[INFO] [stderr] 65 |         + "            None to use single.\n"
[INFO] [stderr] 66 ~         + "  tcb=      Training chunk bytes. Around 0(n ** 2 * 256) memory.\n";
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]   --> src/tok_codec.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn encode(&self, bytes: &[u8]) {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DEMO_STRING` is never used
[INFO] [stderr]  --> src/tok_codec.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const DEMO_STRING: &[u8] = b"The quick brown fox jumps over the lazy dog.";
[INFO] [stderr]   |       ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TokCodec` is never constructed
[INFO] [stderr]   --> src/tok_codec.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct TokCodec {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `from_longest_bytes_iter`, `encode`, and `decode` are never used
[INFO] [stderr]   --> src/tok_codec.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl TokCodec {
[INFO] [stderr]    | ------------- associated items in this implementation
[INFO] [stderr] 16 |     fn new(file_path: &str) -> TokCodec {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     fn from_longest_bytes_iter(&self) -> impl Iterator<Item = (Vec<u8>, i32)> + '_ {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     fn encode(&self, bytes: &[u8]) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     fn decode(&self) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `demo` is never used
[INFO] [stderr]   --> src/tok_codec.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn demo() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tokenizer_trainer_bin` (bin "tokenizer_trainer_bin" test) generated 6 warnings (run `cargo fix --bin "tokenizer_trainer_bin" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tokenizer_trainer_bin-fa32bd596a6c8dec)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tok_trainer::tests::test_all_substring ... ok
[INFO] [stdout] test tok_trainer::tests::test_generate_cutoff_by_pattern ... ok
[INFO] [stdout] test tok_trainer::tests::test_train_unigram_bytes ... ok
[INFO] [stdout] test tok_trainer::tests::test_numerical_grade_encodable ... ok
[INFO] [stdout] test tok_trainer::tests::test_rebuild_2d_byte_vec ... ok
[INFO] [stdout] test tok_trainer::tests::test_train_tokenizer ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin tokenizer_trainer_bin`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tok_trainer::tests::test_train_tokenizer stdout ----
[INFO] [stdout] Debug: Will use 2 thread(s)
[INFO] [stdout] Debug: Chunk length: 2 * 1
[INFO] [stdout] Debug: Will use 2 thread(s)
[INFO] [stdout] Debug: Chunk length: 8 * 1
[INFO] [stdout] Debug: Will use 8 thread(s)
[INFO] [stdout] Debug: Chunk length: 16 * 136533
[INFO] [stdout] 
[INFO] [stdout] thread 'tok_trainer::tests::test_train_tokenizer' panicked at src/tok_trainer.rs:413:57:
[INFO] [stdout] create failed: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5beff2bc80a2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5beff2bc80a2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5beff2bc80a2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5beff2bc80a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5beff2bed653 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5beff2bed653 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5beff2bc4e53 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5beff2bc4e53 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5beff2bc7ef2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5beff2bc960c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5beff2bc9462 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5beff2b881d4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5beff2b881d4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5beff2bc9feb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5beff2bc9feb - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5beff2bc9dba - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5beff2bc8599 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5beff2bc9a4d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5beff2bebec0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5beff2bec266 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x5beff2b41ddb - core::result::Result<T,E>::expect::h5ff0510f03cd922e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x5beff2b41ddb - tokenizer_trainer_bin::tok_trainer::tests::test_train_tokenizer::h2f5306eef27b0433
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tok_trainer.rs:413:51
[INFO] [stdout]   22:     0x5beff2b49679 - tokenizer_trainer_bin::tok_trainer::tests::test_train_tokenizer::{{closure}}::h67d991619fd3d3c9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tok_trainer.rs:376:27
[INFO] [stdout]   23:     0x5beff2b49679 - core::ops::function::FnOnce::call_once::heb93090591577028
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5beff2b8d90b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5beff2b8d90b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5beff2b8cb4e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5beff2b8cb4e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5beff2b8cb4e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5beff2b8cb4e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5beff2b8cb4e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5beff2b8cb4e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5beff2b8cb4e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5beff2b506f4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5beff2b506f4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5beff2b5409a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5beff2b5409a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5beff2b5409a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5beff2b5409a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5beff2b5409a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5beff2b5409a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5beff2b5409a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5beff2bcd047 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5beff2bcd047 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5beff2bcd047 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x731a95c4baa4 - <unknown>
[INFO] [stdout]   46:     0x731a95cd8a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tok_trainer::tests::test_train_tokenizer
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ceac75ae52f797957ece67b07f5d13defab6f527150efb66fafcd2a48cadddf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceac75ae52f797957ece67b07f5d13defab6f527150efb66fafcd2a48cadddf2", kill_on_drop: false }`
[INFO] [stdout] ceac75ae52f797957ece67b07f5d13defab6f527150efb66fafcd2a48cadddf2
