[INFO] fetching crate susumu 0.2.0...
[INFO] testing susumu-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate susumu 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate susumu 0.2.0
[INFO] finished tweaking crates.io crate susumu 0.2.0
[INFO] tweaked toml for crates.io crate susumu 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate susumu 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate susumu 0.2.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7145d4d5e6060cd8c11ac1d2abae9370cebcf4dd1e7910d03b1f75f905fa0d3a
[INFO] running `Command { std: "docker" "start" "-a" "7145d4d5e6060cd8c11ac1d2abae9370cebcf4dd1e7910d03b1f75f905fa0d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7145d4d5e6060cd8c11ac1d2abae9370cebcf4dd1e7910d03b1f75f905fa0d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7145d4d5e6060cd8c11ac1d2abae9370cebcf4dd1e7910d03b1f75f905fa0d3a", kill_on_drop: false }`
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[INFO] [stdout] b1b207f71fb553e08d2aecad69c014c20ed62d886e70cc0982c0e25bd753545d
[INFO] running `Command { std: "docker" "start" "-a" "b1b207f71fb553e08d2aecad69c014c20ed62d886e70cc0982c0e25bd753545d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling susumu v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `register_math_functions`, `register_string_functions`, `register_array_functions`, `register_io_functions`, `register_utility_functions`, and `register_maybe_result_functions` are never used
[INFO] [stdout]    --> src/builtins.rs:55:8
[INFO] [stdout]     |
[INFO] [stdout]  15 | impl BuiltinRegistry {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  55 |     fn register_math_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     fn register_string_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     fn register_array_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn register_io_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn register_utility_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn register_maybe_result_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_add` is never used
[INFO] [stdout]    --> src/builtins.rs:258:4
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn builtin_add(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_subtract` is never used
[INFO] [stdout]    --> src/builtins.rs:275:4
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn builtin_subtract(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_multiply` is never used
[INFO] [stdout]    --> src/builtins.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn builtin_multiply(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_divide` is never used
[INFO] [stdout]    --> src/builtins.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn builtin_divide(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_abs` is never used
[INFO] [stdout]    --> src/builtins.rs:384:4
[INFO] [stdout]     |
[INFO] [stdout] 384 | fn builtin_abs(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_min` is never used
[INFO] [stdout]    --> src/builtins.rs:397:4
[INFO] [stdout]     |
[INFO] [stdout] 397 | fn builtin_min(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_max` is never used
[INFO] [stdout]    --> src/builtins.rs:419:4
[INFO] [stdout]     |
[INFO] [stdout] 419 | fn builtin_max(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_sum` is never used
[INFO] [stdout]    --> src/builtins.rs:441:4
[INFO] [stdout]     |
[INFO] [stdout] 441 | fn builtin_sum(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_average` is never used
[INFO] [stdout]    --> src/builtins.rs:445:4
[INFO] [stdout]     |
[INFO] [stdout] 445 | fn builtin_average(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_concat` is never used
[INFO] [stdout]    --> src/builtins.rs:460:4
[INFO] [stdout]     |
[INFO] [stdout] 460 | fn builtin_concat(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_length` is never used
[INFO] [stdout]    --> src/builtins.rs:471:4
[INFO] [stdout]     |
[INFO] [stdout] 471 | fn builtin_length(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_substring` is never used
[INFO] [stdout]    --> src/builtins.rs:488:4
[INFO] [stdout]     |
[INFO] [stdout] 488 | fn builtin_substring(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_upper` is never used
[INFO] [stdout]    --> src/builtins.rs:521:4
[INFO] [stdout]     |
[INFO] [stdout] 521 | fn builtin_to_upper(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_lower` is never used
[INFO] [stdout]    --> src/builtins.rs:534:4
[INFO] [stdout]     |
[INFO] [stdout] 534 | fn builtin_to_lower(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_trim` is never used
[INFO] [stdout]    --> src/builtins.rs:547:4
[INFO] [stdout]     |
[INFO] [stdout] 547 | fn builtin_trim(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_split` is never used
[INFO] [stdout]    --> src/builtins.rs:560:4
[INFO] [stdout]     |
[INFO] [stdout] 560 | fn builtin_split(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_contains` is never used
[INFO] [stdout]    --> src/builtins.rs:576:4
[INFO] [stdout]     |
[INFO] [stdout] 576 | fn builtin_contains(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_first` is never used
[INFO] [stdout]    --> src/builtins.rs:590:4
[INFO] [stdout]     |
[INFO] [stdout] 590 | fn builtin_first(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_last` is never used
[INFO] [stdout]    --> src/builtins.rs:609:4
[INFO] [stdout]     |
[INFO] [stdout] 609 | fn builtin_last(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_rest` is never used
[INFO] [stdout]    --> src/builtins.rs:628:4
[INFO] [stdout]     |
[INFO] [stdout] 628 | fn builtin_rest(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_push` is never used
[INFO] [stdout]    --> src/builtins.rs:647:4
[INFO] [stdout]     |
[INFO] [stdout] 647 | fn builtin_push(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_pop` is never used
[INFO] [stdout]    --> src/builtins.rs:664:4
[INFO] [stdout]     |
[INFO] [stdout] 664 | fn builtin_pop(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_filter` is never used
[INFO] [stdout]    --> src/builtins.rs:685:4
[INFO] [stdout]     |
[INFO] [stdout] 685 | fn builtin_filter(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_map` is never used
[INFO] [stdout]    --> src/builtins.rs:690:4
[INFO] [stdout]     |
[INFO] [stdout] 690 | fn builtin_map(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_reduce` is never used
[INFO] [stdout]    --> src/builtins.rs:695:4
[INFO] [stdout]     |
[INFO] [stdout] 695 | fn builtin_reduce(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_sort` is never used
[INFO] [stdout]    --> src/builtins.rs:700:4
[INFO] [stdout]     |
[INFO] [stdout] 700 | fn builtin_sort(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_reverse` is never used
[INFO] [stdout]    --> src/builtins.rs:725:4
[INFO] [stdout]     |
[INFO] [stdout] 725 | fn builtin_reverse(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_print` is never used
[INFO] [stdout]    --> src/builtins.rs:743:4
[INFO] [stdout]     |
[INFO] [stdout] 743 | fn builtin_print(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_println` is never used
[INFO] [stdout]    --> src/builtins.rs:753:4
[INFO] [stdout]     |
[INFO] [stdout] 753 | fn builtin_println(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_debug` is never used
[INFO] [stdout]    --> src/builtins.rs:759:4
[INFO] [stdout]     |
[INFO] [stdout] 759 | fn builtin_debug(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_type_of` is never used
[INFO] [stdout]    --> src/builtins.rs:771:4
[INFO] [stdout]     |
[INFO] [stdout] 771 | fn builtin_type_of(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_null` is never used
[INFO] [stdout]    --> src/builtins.rs:789:4
[INFO] [stdout]     |
[INFO] [stdout] 789 | fn builtin_is_null(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_number` is never used
[INFO] [stdout]    --> src/builtins.rs:798:4
[INFO] [stdout]     |
[INFO] [stdout] 798 | fn builtin_is_number(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_string` is never used
[INFO] [stdout]    --> src/builtins.rs:807:4
[INFO] [stdout]     |
[INFO] [stdout] 807 | fn builtin_is_string(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_boolean` is never used
[INFO] [stdout]    --> src/builtins.rs:816:4
[INFO] [stdout]     |
[INFO] [stdout] 816 | fn builtin_is_boolean(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_array` is never used
[INFO] [stdout]    --> src/builtins.rs:825:4
[INFO] [stdout]     |
[INFO] [stdout] 825 | fn builtin_is_array(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_object` is never used
[INFO] [stdout]    --> src/builtins.rs:834:4
[INFO] [stdout]     |
[INFO] [stdout] 834 | fn builtin_is_object(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_string` is never used
[INFO] [stdout]    --> src/builtins.rs:843:4
[INFO] [stdout]     |
[INFO] [stdout] 843 | fn builtin_to_string(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_number` is never used
[INFO] [stdout]    --> src/builtins.rs:852:4
[INFO] [stdout]     |
[INFO] [stdout] 852 | fn builtin_to_number(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_some` is never used
[INFO] [stdout]    --> src/builtins.rs:905:4
[INFO] [stdout]     |
[INFO] [stdout] 905 | fn builtin_some(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_none` is never used
[INFO] [stdout]    --> src/builtins.rs:918:4
[INFO] [stdout]     |
[INFO] [stdout] 918 | fn builtin_none(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_success` is never used
[INFO] [stdout]    --> src/builtins.rs:924:4
[INFO] [stdout]     |
[INFO] [stdout] 924 | fn builtin_success(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_error` is never used
[INFO] [stdout]    --> src/builtins.rs:937:4
[INFO] [stdout]     |
[INFO] [stdout] 937 | fn builtin_error(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_some` is never used
[INFO] [stdout]    --> src/builtins.rs:951:4
[INFO] [stdout]     |
[INFO] [stdout] 951 | fn builtin_is_some(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_none` is never used
[INFO] [stdout]    --> src/builtins.rs:970:4
[INFO] [stdout]     |
[INFO] [stdout] 970 | fn builtin_is_none(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_success` is never used
[INFO] [stdout]    --> src/builtins.rs:989:4
[INFO] [stdout]     |
[INFO] [stdout] 989 | fn builtin_is_success(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_error` is never used
[INFO] [stdout]     --> src/builtins.rs:1008:4
[INFO] [stdout]      |
[INFO] [stdout] 1008 | fn builtin_is_error(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_unwrap` is never used
[INFO] [stdout]     --> src/builtins.rs:1028:4
[INFO] [stdout]      |
[INFO] [stdout] 1028 | fn builtin_unwrap(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_unwrap_or` is never used
[INFO] [stdout]     --> src/builtins.rs:1064:4
[INFO] [stdout]      |
[INFO] [stdout] 1064 | fn builtin_unwrap_or(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_combine` is never used
[INFO] [stdout]     --> src/builtins.rs:1094:4
[INFO] [stdout]      |
[INFO] [stdout] 1094 | fn builtin_combine(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "b1b207f71fb553e08d2aecad69c014c20ed62d886e70cc0982c0e25bd753545d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b207f71fb553e08d2aecad69c014c20ed62d886e70cc0982c0e25bd753545d", kill_on_drop: false }`
[INFO] [stdout] b1b207f71fb553e08d2aecad69c014c20ed62d886e70cc0982c0e25bd753545d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dd1482a8366ea3739ca2d6d5fe99bd2677012b751aa1b37f14b25d68fa045e8
[INFO] running `Command { std: "docker" "start" "-a" "8dd1482a8366ea3739ca2d6d5fe99bd2677012b751aa1b37f14b25d68fa045e8", kill_on_drop: false }`
[INFO] [stdout] warning: methods `register_math_functions`, `register_string_functions`, `register_array_functions`, `register_io_functions`, `register_utility_functions`, and `register_maybe_result_functions` are never used
[INFO] [stdout]    --> src/builtins.rs:55:8
[INFO] [stdout]     |
[INFO] [stdout]  15 | impl BuiltinRegistry {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  55 |     fn register_math_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     fn register_string_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     fn register_array_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn register_io_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn register_utility_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn register_maybe_result_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_add` is never used
[INFO] [stdout]    --> src/builtins.rs:258:4
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn builtin_add(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_subtract` is never used
[INFO] [stdout]    --> src/builtins.rs:275:4
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn builtin_subtract(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_multiply` is never used
[INFO] [stdout]    --> src/builtins.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn builtin_multiply(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_divide` is never used
[INFO] [stdout]    --> src/builtins.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn builtin_divide(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_abs` is never used
[INFO] [stdout]    --> src/builtins.rs:384:4
[INFO] [stdout]     |
[INFO] [stdout] 384 | fn builtin_abs(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_min` is never used
[INFO] [stdout]    --> src/builtins.rs:397:4
[INFO] [stdout]     |
[INFO] [stdout] 397 | fn builtin_min(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_max` is never used
[INFO] [stdout]    --> src/builtins.rs:419:4
[INFO] [stdout]     |
[INFO] [stdout] 419 | fn builtin_max(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_sum` is never used
[INFO] [stdout]    --> src/builtins.rs:441:4
[INFO] [stdout]     |
[INFO] [stdout] 441 | fn builtin_sum(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_average` is never used
[INFO] [stdout]    --> src/builtins.rs:445:4
[INFO] [stdout]     |
[INFO] [stdout] 445 | fn builtin_average(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_concat` is never used
[INFO] [stdout]    --> src/builtins.rs:460:4
[INFO] [stdout]     |
[INFO] [stdout] 460 | fn builtin_concat(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_length` is never used
[INFO] [stdout]    --> src/builtins.rs:471:4
[INFO] [stdout]     |
[INFO] [stdout] 471 | fn builtin_length(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_substring` is never used
[INFO] [stdout]    --> src/builtins.rs:488:4
[INFO] [stdout]     |
[INFO] [stdout] 488 | fn builtin_substring(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_upper` is never used
[INFO] [stdout]    --> src/builtins.rs:521:4
[INFO] [stdout]     |
[INFO] [stdout] 521 | fn builtin_to_upper(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_lower` is never used
[INFO] [stdout]    --> src/builtins.rs:534:4
[INFO] [stdout]     |
[INFO] [stdout] 534 | fn builtin_to_lower(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_trim` is never used
[INFO] [stdout]    --> src/builtins.rs:547:4
[INFO] [stdout]     |
[INFO] [stdout] 547 | fn builtin_trim(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_split` is never used
[INFO] [stdout]    --> src/builtins.rs:560:4
[INFO] [stdout]     |
[INFO] [stdout] 560 | fn builtin_split(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_contains` is never used
[INFO] [stdout]    --> src/builtins.rs:576:4
[INFO] [stdout]     |
[INFO] [stdout] 576 | fn builtin_contains(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_first` is never used
[INFO] [stdout]    --> src/builtins.rs:590:4
[INFO] [stdout]     |
[INFO] [stdout] 590 | fn builtin_first(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_last` is never used
[INFO] [stdout]    --> src/builtins.rs:609:4
[INFO] [stdout]     |
[INFO] [stdout] 609 | fn builtin_last(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_rest` is never used
[INFO] [stdout]    --> src/builtins.rs:628:4
[INFO] [stdout]     |
[INFO] [stdout] 628 | fn builtin_rest(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_push` is never used
[INFO] [stdout]    --> src/builtins.rs:647:4
[INFO] [stdout]     |
[INFO] [stdout] 647 | fn builtin_push(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_pop` is never used
[INFO] [stdout]    --> src/builtins.rs:664:4
[INFO] [stdout]     |
[INFO] [stdout] 664 | fn builtin_pop(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_filter` is never used
[INFO] [stdout]    --> src/builtins.rs:685:4
[INFO] [stdout]     |
[INFO] [stdout] 685 | fn builtin_filter(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_map` is never used
[INFO] [stdout]    --> src/builtins.rs:690:4
[INFO] [stdout]     |
[INFO] [stdout] 690 | fn builtin_map(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_reduce` is never used
[INFO] [stdout]    --> src/builtins.rs:695:4
[INFO] [stdout]     |
[INFO] [stdout] 695 | fn builtin_reduce(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_sort` is never used
[INFO] [stdout]    --> src/builtins.rs:700:4
[INFO] [stdout]     |
[INFO] [stdout] 700 | fn builtin_sort(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_reverse` is never used
[INFO] [stdout]    --> src/builtins.rs:725:4
[INFO] [stdout]     |
[INFO] [stdout] 725 | fn builtin_reverse(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_print` is never used
[INFO] [stdout]    --> src/builtins.rs:743:4
[INFO] [stdout]     |
[INFO] [stdout] 743 | fn builtin_print(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_println` is never used
[INFO] [stdout]    --> src/builtins.rs:753:4
[INFO] [stdout]     |
[INFO] [stdout] 753 | fn builtin_println(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_debug` is never used
[INFO] [stdout]    --> src/builtins.rs:759:4
[INFO] [stdout]     |
[INFO] [stdout] 759 | fn builtin_debug(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_type_of` is never used
[INFO] [stdout]    --> src/builtins.rs:771:4
[INFO] [stdout]     |
[INFO] [stdout] 771 | fn builtin_type_of(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_null` is never used
[INFO] [stdout]    --> src/builtins.rs:789:4
[INFO] [stdout]     |
[INFO] [stdout] 789 | fn builtin_is_null(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_number` is never used
[INFO] [stdout]    --> src/builtins.rs:798:4
[INFO] [stdout]     |
[INFO] [stdout] 798 | fn builtin_is_number(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_string` is never used
[INFO] [stdout]    --> src/builtins.rs:807:4
[INFO] [stdout]     |
[INFO] [stdout] 807 | fn builtin_is_string(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_boolean` is never used
[INFO] [stdout]    --> src/builtins.rs:816:4
[INFO] [stdout]     |
[INFO] [stdout] 816 | fn builtin_is_boolean(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_array` is never used
[INFO] [stdout]    --> src/builtins.rs:825:4
[INFO] [stdout]     |
[INFO] [stdout] 825 | fn builtin_is_array(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_object` is never used
[INFO] [stdout]    --> src/builtins.rs:834:4
[INFO] [stdout]     |
[INFO] [stdout] 834 | fn builtin_is_object(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_string` is never used
[INFO] [stdout]    --> src/builtins.rs:843:4
[INFO] [stdout]     |
[INFO] [stdout] 843 | fn builtin_to_string(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_number` is never used
[INFO] [stdout]    --> src/builtins.rs:852:4
[INFO] [stdout]     |
[INFO] [stdout] 852 | fn builtin_to_number(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_some` is never used
[INFO] [stdout]    --> src/builtins.rs:905:4
[INFO] [stdout]     |
[INFO] [stdout] 905 | fn builtin_some(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_none` is never used
[INFO] [stdout]    --> src/builtins.rs:918:4
[INFO] [stdout]     |
[INFO] [stdout] 918 | fn builtin_none(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_success` is never used
[INFO] [stdout]    --> src/builtins.rs:924:4
[INFO] [stdout]     |
[INFO] [stdout] 924 | fn builtin_success(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_error` is never used
[INFO] [stdout]    --> src/builtins.rs:937:4
[INFO] [stdout]     |
[INFO] [stdout] 937 | fn builtin_error(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_some` is never used
[INFO] [stdout]    --> src/builtins.rs:951:4
[INFO] [stdout]     |
[INFO] [stdout] 951 | fn builtin_is_some(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_none` is never used
[INFO] [stdout]    --> src/builtins.rs:970:4
[INFO] [stdout]     |
[INFO] [stdout] 970 | fn builtin_is_none(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_success` is never used
[INFO] [stdout]    --> src/builtins.rs:989:4
[INFO] [stdout]     |
[INFO] [stdout] 989 | fn builtin_is_success(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_error` is never used
[INFO] [stdout]     --> src/builtins.rs:1008:4
[INFO] [stdout]      |
[INFO] [stdout] 1008 | fn builtin_is_error(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling susumu v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `builtin_unwrap` is never used
[INFO] [stdout]     --> src/builtins.rs:1028:4
[INFO] [stdout]      |
[INFO] [stdout] 1028 | fn builtin_unwrap(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_unwrap_or` is never used
[INFO] [stdout]     --> src/builtins.rs:1064:4
[INFO] [stdout]      |
[INFO] [stdout] 1064 | fn builtin_unwrap_or(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_combine` is never used
[INFO] [stdout]     --> src/builtins.rs:1094:4
[INFO] [stdout]      |
[INFO] [stdout] 1094 | fn builtin_combine(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bp_id`
[INFO] [stdout]    --> src/visual_debug.rs:636:13
[INFO] [stdout]     |
[INFO] [stdout] 636 |         let bp_id = debugger.set_breakpoint(10, None, None);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_bp_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `register_math_functions`, `register_string_functions`, `register_array_functions`, `register_io_functions`, `register_utility_functions`, and `register_maybe_result_functions` are never used
[INFO] [stdout]    --> src/builtins.rs:55:8
[INFO] [stdout]     |
[INFO] [stdout]  15 | impl BuiltinRegistry {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  55 |     fn register_math_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     fn register_string_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     fn register_array_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn register_io_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn register_utility_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn register_maybe_result_functions(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_add` is never used
[INFO] [stdout]    --> src/builtins.rs:258:4
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn builtin_add(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_subtract` is never used
[INFO] [stdout]    --> src/builtins.rs:275:4
[INFO] [stdout]     |
[INFO] [stdout] 275 | fn builtin_subtract(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_multiply` is never used
[INFO] [stdout]    --> src/builtins.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn builtin_multiply(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_divide` is never used
[INFO] [stdout]    --> src/builtins.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn builtin_divide(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_abs` is never used
[INFO] [stdout]    --> src/builtins.rs:384:4
[INFO] [stdout]     |
[INFO] [stdout] 384 | fn builtin_abs(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_min` is never used
[INFO] [stdout]    --> src/builtins.rs:397:4
[INFO] [stdout]     |
[INFO] [stdout] 397 | fn builtin_min(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_max` is never used
[INFO] [stdout]    --> src/builtins.rs:419:4
[INFO] [stdout]     |
[INFO] [stdout] 419 | fn builtin_max(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_sum` is never used
[INFO] [stdout]    --> src/builtins.rs:441:4
[INFO] [stdout]     |
[INFO] [stdout] 441 | fn builtin_sum(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_average` is never used
[INFO] [stdout]    --> src/builtins.rs:445:4
[INFO] [stdout]     |
[INFO] [stdout] 445 | fn builtin_average(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_concat` is never used
[INFO] [stdout]    --> src/builtins.rs:460:4
[INFO] [stdout]     |
[INFO] [stdout] 460 | fn builtin_concat(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_length` is never used
[INFO] [stdout]    --> src/builtins.rs:471:4
[INFO] [stdout]     |
[INFO] [stdout] 471 | fn builtin_length(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_substring` is never used
[INFO] [stdout]    --> src/builtins.rs:488:4
[INFO] [stdout]     |
[INFO] [stdout] 488 | fn builtin_substring(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_upper` is never used
[INFO] [stdout]    --> src/builtins.rs:521:4
[INFO] [stdout]     |
[INFO] [stdout] 521 | fn builtin_to_upper(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_lower` is never used
[INFO] [stdout]    --> src/builtins.rs:534:4
[INFO] [stdout]     |
[INFO] [stdout] 534 | fn builtin_to_lower(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_trim` is never used
[INFO] [stdout]    --> src/builtins.rs:547:4
[INFO] [stdout]     |
[INFO] [stdout] 547 | fn builtin_trim(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_split` is never used
[INFO] [stdout]    --> src/builtins.rs:560:4
[INFO] [stdout]     |
[INFO] [stdout] 560 | fn builtin_split(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_contains` is never used
[INFO] [stdout]    --> src/builtins.rs:576:4
[INFO] [stdout]     |
[INFO] [stdout] 576 | fn builtin_contains(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_first` is never used
[INFO] [stdout]    --> src/builtins.rs:590:4
[INFO] [stdout]     |
[INFO] [stdout] 590 | fn builtin_first(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_last` is never used
[INFO] [stdout]    --> src/builtins.rs:609:4
[INFO] [stdout]     |
[INFO] [stdout] 609 | fn builtin_last(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_rest` is never used
[INFO] [stdout]    --> src/builtins.rs:628:4
[INFO] [stdout]     |
[INFO] [stdout] 628 | fn builtin_rest(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_push` is never used
[INFO] [stdout]    --> src/builtins.rs:647:4
[INFO] [stdout]     |
[INFO] [stdout] 647 | fn builtin_push(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_pop` is never used
[INFO] [stdout]    --> src/builtins.rs:664:4
[INFO] [stdout]     |
[INFO] [stdout] 664 | fn builtin_pop(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_filter` is never used
[INFO] [stdout]    --> src/builtins.rs:685:4
[INFO] [stdout]     |
[INFO] [stdout] 685 | fn builtin_filter(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_map` is never used
[INFO] [stdout]    --> src/builtins.rs:690:4
[INFO] [stdout]     |
[INFO] [stdout] 690 | fn builtin_map(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_reduce` is never used
[INFO] [stdout]    --> src/builtins.rs:695:4
[INFO] [stdout]     |
[INFO] [stdout] 695 | fn builtin_reduce(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_sort` is never used
[INFO] [stdout]    --> src/builtins.rs:700:4
[INFO] [stdout]     |
[INFO] [stdout] 700 | fn builtin_sort(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_reverse` is never used
[INFO] [stdout]    --> src/builtins.rs:725:4
[INFO] [stdout]     |
[INFO] [stdout] 725 | fn builtin_reverse(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_print` is never used
[INFO] [stdout]    --> src/builtins.rs:743:4
[INFO] [stdout]     |
[INFO] [stdout] 743 | fn builtin_print(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_println` is never used
[INFO] [stdout]    --> src/builtins.rs:753:4
[INFO] [stdout]     |
[INFO] [stdout] 753 | fn builtin_println(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_debug` is never used
[INFO] [stdout]    --> src/builtins.rs:759:4
[INFO] [stdout]     |
[INFO] [stdout] 759 | fn builtin_debug(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_type_of` is never used
[INFO] [stdout]    --> src/builtins.rs:771:4
[INFO] [stdout]     |
[INFO] [stdout] 771 | fn builtin_type_of(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_null` is never used
[INFO] [stdout]    --> src/builtins.rs:789:4
[INFO] [stdout]     |
[INFO] [stdout] 789 | fn builtin_is_null(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_number` is never used
[INFO] [stdout]    --> src/builtins.rs:798:4
[INFO] [stdout]     |
[INFO] [stdout] 798 | fn builtin_is_number(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_string` is never used
[INFO] [stdout]    --> src/builtins.rs:807:4
[INFO] [stdout]     |
[INFO] [stdout] 807 | fn builtin_is_string(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_boolean` is never used
[INFO] [stdout]    --> src/builtins.rs:816:4
[INFO] [stdout]     |
[INFO] [stdout] 816 | fn builtin_is_boolean(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_array` is never used
[INFO] [stdout]    --> src/builtins.rs:825:4
[INFO] [stdout]     |
[INFO] [stdout] 825 | fn builtin_is_array(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_object` is never used
[INFO] [stdout]    --> src/builtins.rs:834:4
[INFO] [stdout]     |
[INFO] [stdout] 834 | fn builtin_is_object(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_string` is never used
[INFO] [stdout]    --> src/builtins.rs:843:4
[INFO] [stdout]     |
[INFO] [stdout] 843 | fn builtin_to_string(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_to_number` is never used
[INFO] [stdout]    --> src/builtins.rs:852:4
[INFO] [stdout]     |
[INFO] [stdout] 852 | fn builtin_to_number(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_some` is never used
[INFO] [stdout]    --> src/builtins.rs:905:4
[INFO] [stdout]     |
[INFO] [stdout] 905 | fn builtin_some(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_none` is never used
[INFO] [stdout]    --> src/builtins.rs:918:4
[INFO] [stdout]     |
[INFO] [stdout] 918 | fn builtin_none(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_success` is never used
[INFO] [stdout]    --> src/builtins.rs:924:4
[INFO] [stdout]     |
[INFO] [stdout] 924 | fn builtin_success(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_error` is never used
[INFO] [stdout]    --> src/builtins.rs:937:4
[INFO] [stdout]     |
[INFO] [stdout] 937 | fn builtin_error(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_some` is never used
[INFO] [stdout]    --> src/builtins.rs:951:4
[INFO] [stdout]     |
[INFO] [stdout] 951 | fn builtin_is_some(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_none` is never used
[INFO] [stdout]    --> src/builtins.rs:970:4
[INFO] [stdout]     |
[INFO] [stdout] 970 | fn builtin_is_none(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_success` is never used
[INFO] [stdout]    --> src/builtins.rs:989:4
[INFO] [stdout]     |
[INFO] [stdout] 989 | fn builtin_is_success(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_is_error` is never used
[INFO] [stdout]     --> src/builtins.rs:1008:4
[INFO] [stdout]      |
[INFO] [stdout] 1008 | fn builtin_is_error(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_unwrap` is never used
[INFO] [stdout]     --> src/builtins.rs:1028:4
[INFO] [stdout]      |
[INFO] [stdout] 1028 | fn builtin_unwrap(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_unwrap_or` is never used
[INFO] [stdout]     --> src/builtins.rs:1064:4
[INFO] [stdout]      |
[INFO] [stdout] 1064 | fn builtin_unwrap_or(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `builtin_combine` is never used
[INFO] [stdout]     --> src/builtins.rs:1094:4
[INFO] [stdout]      |
[INFO] [stdout] 1094 | fn builtin_combine(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "8dd1482a8366ea3739ca2d6d5fe99bd2677012b751aa1b37f14b25d68fa045e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd1482a8366ea3739ca2d6d5fe99bd2677012b751aa1b37f14b25d68fa045e8", kill_on_drop: false }`
[INFO] [stdout] 8dd1482a8366ea3739ca2d6d5fe99bd2677012b751aa1b37f14b25d68fa045e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c13ff5523525af4fba0bd7548cd6c7266f96501363d044dbe93d2ec4dda5f3a2
[INFO] running `Command { std: "docker" "start" "-a" "c13ff5523525af4fba0bd7548cd6c7266f96501363d044dbe93d2ec4dda5f3a2", kill_on_drop: false }`
[INFO] [stderr] warning: methods `register_math_functions`, `register_string_functions`, `register_array_functions`, `register_io_functions`, `register_utility_functions`, and `register_maybe_result_functions` are never used
[INFO] [stderr]    --> src/builtins.rs:55:8
[INFO] [stderr]     |
[INFO] [stderr]  15 | impl BuiltinRegistry {
[INFO] [stderr]     | -------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  55 |     fn register_math_functions(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  70 |     fn register_string_functions(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  81 |     fn register_array_functions(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  94 |     fn register_io_functions(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |     fn register_utility_functions(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 112 |     fn register_maybe_result_functions(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_add` is never used
[INFO] [stderr]    --> src/builtins.rs:258:4
[INFO] [stderr]     |
[INFO] [stderr] 258 | fn builtin_add(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_subtract` is never used
[INFO] [stderr]    --> src/builtins.rs:275:4
[INFO] [stderr]     |
[INFO] [stderr] 275 | fn builtin_subtract(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_multiply` is never used
[INFO] [stderr]    --> src/builtins.rs:293:4
[INFO] [stderr]     |
[INFO] [stderr] 293 | fn builtin_multiply(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_divide` is never used
[INFO] [stderr]    --> src/builtins.rs:310:4
[INFO] [stderr]     |
[INFO] [stderr] 310 | fn builtin_divide(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_abs` is never used
[INFO] [stderr]    --> src/builtins.rs:384:4
[INFO] [stderr]     |
[INFO] [stderr] 384 | fn builtin_abs(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_min` is never used
[INFO] [stderr]    --> src/builtins.rs:397:4
[INFO] [stderr]     |
[INFO] [stderr] 397 | fn builtin_min(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_max` is never used
[INFO] [stderr]    --> src/builtins.rs:419:4
[INFO] [stderr]     |
[INFO] [stderr] 419 | fn builtin_max(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_sum` is never used
[INFO] [stderr]    --> src/builtins.rs:441:4
[INFO] [stderr]     |
[INFO] [stderr] 441 | fn builtin_sum(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_average` is never used
[INFO] [stderr]    --> src/builtins.rs:445:4
[INFO] [stderr]     |
[INFO] [stderr] 445 | fn builtin_average(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_concat` is never used
[INFO] [stderr]    --> src/builtins.rs:460:4
[INFO] [stderr]     |
[INFO] [stderr] 460 | fn builtin_concat(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_length` is never used
[INFO] [stderr]    --> src/builtins.rs:471:4
[INFO] [stderr]     |
[INFO] [stderr] 471 | fn builtin_length(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_substring` is never used
[INFO] [stderr]    --> src/builtins.rs:488:4
[INFO] [stderr]     |
[INFO] [stderr] 488 | fn builtin_substring(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_to_upper` is never used
[INFO] [stderr]    --> src/builtins.rs:521:4
[INFO] [stderr]     |
[INFO] [stderr] 521 | fn builtin_to_upper(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_to_lower` is never used
[INFO] [stderr]    --> src/builtins.rs:534:4
[INFO] [stderr]     |
[INFO] [stderr] 534 | fn builtin_to_lower(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_trim` is never used
[INFO] [stderr]    --> src/builtins.rs:547:4
[INFO] [stderr]     |
[INFO] [stderr] 547 | fn builtin_trim(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_split` is never used
[INFO] [stderr]    --> src/builtins.rs:560:4
[INFO] [stderr]     |
[INFO] [stderr] 560 | fn builtin_split(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_contains` is never used
[INFO] [stderr]    --> src/builtins.rs:576:4
[INFO] [stderr]     |
[INFO] [stderr] 576 | fn builtin_contains(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_first` is never used
[INFO] [stderr]    --> src/builtins.rs:590:4
[INFO] [stderr]     |
[INFO] [stderr] 590 | fn builtin_first(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_last` is never used
[INFO] [stderr]    --> src/builtins.rs:609:4
[INFO] [stderr]     |
[INFO] [stderr] 609 | fn builtin_last(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_rest` is never used
[INFO] [stderr]    --> src/builtins.rs:628:4
[INFO] [stderr]     |
[INFO] [stderr] 628 | fn builtin_rest(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_push` is never used
[INFO] [stderr]    --> src/builtins.rs:647:4
[INFO] [stderr]     |
[INFO] [stderr] 647 | fn builtin_push(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_pop` is never used
[INFO] [stderr]    --> src/builtins.rs:664:4
[INFO] [stderr]     |
[INFO] [stderr] 664 | fn builtin_pop(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_filter` is never used
[INFO] [stderr]    --> src/builtins.rs:685:4
[INFO] [stderr]     |
[INFO] [stderr] 685 | fn builtin_filter(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_map` is never used
[INFO] [stderr]    --> src/builtins.rs:690:4
[INFO] [stderr]     |
[INFO] [stderr] 690 | fn builtin_map(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_reduce` is never used
[INFO] [stderr]    --> src/builtins.rs:695:4
[INFO] [stderr]     |
[INFO] [stderr] 695 | fn builtin_reduce(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_sort` is never used
[INFO] [stderr]    --> src/builtins.rs:700:4
[INFO] [stderr]     |
[INFO] [stderr] 700 | fn builtin_sort(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_reverse` is never used
[INFO] [stderr]    --> src/builtins.rs:725:4
[INFO] [stderr]     |
[INFO] [stderr] 725 | fn builtin_reverse(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_print` is never used
[INFO] [stderr]    --> src/builtins.rs:743:4
[INFO] [stderr]     |
[INFO] [stderr] 743 | fn builtin_print(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_println` is never used
[INFO] [stderr]    --> src/builtins.rs:753:4
[INFO] [stderr]     |
[INFO] [stderr] 753 | fn builtin_println(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_debug` is never used
[INFO] [stderr]    --> src/builtins.rs:759:4
[INFO] [stderr]     |
[INFO] [stderr] 759 | fn builtin_debug(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_type_of` is never used
[INFO] [stderr]    --> src/builtins.rs:771:4
[INFO] [stderr]     |
[INFO] [stderr] 771 | fn builtin_type_of(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_null` is never used
[INFO] [stderr]    --> src/builtins.rs:789:4
[INFO] [stderr]     |
[INFO] [stderr] 789 | fn builtin_is_null(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_number` is never used
[INFO] [stderr]    --> src/builtins.rs:798:4
[INFO] [stderr]     |
[INFO] [stderr] 798 | fn builtin_is_number(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_string` is never used
[INFO] [stderr]    --> src/builtins.rs:807:4
[INFO] [stderr]     |
[INFO] [stderr] 807 | fn builtin_is_string(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_boolean` is never used
[INFO] [stderr]    --> src/builtins.rs:816:4
[INFO] [stderr]     |
[INFO] [stderr] 816 | fn builtin_is_boolean(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_array` is never used
[INFO] [stderr]    --> src/builtins.rs:825:4
[INFO] [stderr]     |
[INFO] [stderr] 825 | fn builtin_is_array(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_object` is never used
[INFO] [stderr]    --> src/builtins.rs:834:4
[INFO] [stderr]     |
[INFO] [stderr] 834 | fn builtin_is_object(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_to_string` is never used
[INFO] [stderr]    --> src/builtins.rs:843:4
[INFO] [stderr]     |
[INFO] [stderr] 843 | fn builtin_to_string(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_to_number` is never used
[INFO] [stderr]    --> src/builtins.rs:852:4
[INFO] [stderr]     |
[INFO] [stderr] 852 | fn builtin_to_number(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_some` is never used
[INFO] [stderr]    --> src/builtins.rs:905:4
[INFO] [stderr]     |
[INFO] [stderr] 905 | fn builtin_some(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_none` is never used
[INFO] [stderr]    --> src/builtins.rs:918:4
[INFO] [stderr]     |
[INFO] [stderr] 918 | fn builtin_none(_args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_success` is never used
[INFO] [stderr]    --> src/builtins.rs:924:4
[INFO] [stderr]     |
[INFO] [stderr] 924 | fn builtin_success(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_error` is never used
[INFO] [stderr]    --> src/builtins.rs:937:4
[INFO] [stderr]     |
[INFO] [stderr] 937 | fn builtin_error(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_some` is never used
[INFO] [stderr]    --> src/builtins.rs:951:4
[INFO] [stderr]     |
[INFO] [stderr] 951 | fn builtin_is_some(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_none` is never used
[INFO] [stderr]    --> src/builtins.rs:970:4
[INFO] [stderr]     |
[INFO] [stderr] 970 | fn builtin_is_none(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_success` is never used
[INFO] [stderr]    --> src/builtins.rs:989:4
[INFO] [stderr]     |
[INFO] [stderr] 989 | fn builtin_is_success(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_is_error` is never used
[INFO] [stderr]     --> src/builtins.rs:1008:4
[INFO] [stderr]      |
[INFO] [stderr] 1008 | fn builtin_is_error(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_unwrap` is never used
[INFO] [stderr]     --> src/builtins.rs:1028:4
[INFO] [stderr]      |
[INFO] [stderr] 1028 | fn builtin_unwrap(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_unwrap_or` is never used
[INFO] [stderr]     --> src/builtins.rs:1064:4
[INFO] [stderr]      |
[INFO] [stderr] 1064 | fn builtin_unwrap_or(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `builtin_combine` is never used
[INFO] [stderr]     --> src/builtins.rs:1094:4
[INFO] [stderr]      |
[INFO] [stderr] 1094 | fn builtin_combine(args: &[Value]) -> SusumuResult<Value> {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bp_id`
[INFO] [stderr]    --> src/visual_debug.rs:636:13
[INFO] [stderr]     |
[INFO] [stderr] 636 |         let bp_id = debugger.set_breakpoint(10, None, None);
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_bp_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `susumu` (lib) generated 51 warnings
[INFO] [stderr] warning: `susumu` (lib test) generated 52 warnings (51 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/susumu-23c017ff306705c4)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] 8
[INFO] [stdout] test environment::tests::test_environment_variable_scoping ... ok
[INFO] [stdout] test environment::tests::test_environment_manager_scoping ... ok
[INFO] [stdout] test lexer::tests::test_basic_tokens ... ok
[INFO] [stdout] test interpreter::tests::test_basic_arithmetic ... ok
[INFO] [stdout] test interpreter::tests::test_visual_debugging_traces ... ok
[INFO] [stdout] has value
[INFO] [stdout] test parser::tests::test_conditional_parsing ... ok
[INFO] [stdout] test lexer::tests::test_conditional_tokens ... ok
[INFO] [stdout] test lexer::tests::test_string_literals ... ok
[INFO] [stdout] test interpreter::tests::test_conditional_execution ... ok
[INFO] [stdout] test parser::tests::test_export_arrow_chain ... ok
[INFO] [stdout] test tests::test_basic_arrow_chain ... ok
[INFO] [stdout] test parser::tests::test_module_arrow_chain ... ok
[INFO] [stdout] test parser::tests::test_type_error_detection ... ok
[INFO] [stdout] test interpreter::tests::test_convergence_semantics ... ok
[INFO] [stdout] test tests::test_success_error_pattern ... ok
[INFO] [stdout] test types::tests::test_type_assignability ... ok
[INFO] [stdout] test types::tests::test_function_type_compatibility ... ok
[INFO] [stdout] test visual_debug::tests::test_breakpoint_management ... ok
[INFO] [stdout] test visual_debug::tests::test_flow_diagram_generation ... ok
[INFO] [stdout] test visual_debug::tests::test_visual_debugger_creation ... ok
[INFO] [stdout] test types::tests::test_result_type_creation ... ok
[INFO] [stdout] test parser::tests::test_visual_debugging_info ... ok
[INFO] [stdout] test parser::tests::test_basic_arrow_chain_parsing ... ok
[INFO] [stdout] test interpreter::tests::test_module_system_end_to_end ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- interpreter::tests::test_module_system_end_to_end stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'interpreter::tests::test_module_system_end_to_end' panicked at src/interpreter.rs:1898:44:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b9404fc1232 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b9404fc1232 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b9404fc1232 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b9404fc1232 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b9404febf13 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b9404febf13 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5b9404fbd513 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b9404fbd513 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b9404fc1082 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b9404fc2b09 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5b9404fc293e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5b9404eef5a4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5b9404eef5a4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b9404fc35de - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5b9404fc35de - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5b9404fc32aa - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5b9404fc1739 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5b9404fc2f3d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5b9404fe9e50 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5b9404fea306 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5b94049736a8 - core::result::Result<T,E>::unwrap::hd3e062831cc52688
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5b94049736a8 - susumu::interpreter::tests::test_module_system_end_to_end::h98f8e5b7501068da
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:1898:44
[INFO] [stdout]   22:     0x5b94049735d7 - susumu::interpreter::tests::test_module_system_end_to_end::{{closure}}::h350a37f8aed6263d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter.rs:1892:39
[INFO] [stdout]   23:     0x5b94048dea46 - core::ops::function::FnOnce::call_once::h97a6842f83a0650b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5b9404ef4e0b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5b9404ef4e0b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5b9404ef3f45 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5b9404ef3f45 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5b9404ef3f45 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5b9404ef3f45 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5b9404ef3f45 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b9404ef3f45 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5b9404ef3f45 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5b9404eb7b44 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5b9404eb7b44 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5b9404ebb51a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5b9404ebb51a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5b9404ebb51a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5b9404ebb51a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5b9404ebb51a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b9404ebb51a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5b9404ebb51a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5b9404fc66ef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5b9404fc66ef - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x7a0c3e786aa4 - <unknown>
[INFO] [stdout]   45:     0x7a0c3e813a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     interpreter::tests::test_module_system_end_to_end
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 23 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "c13ff5523525af4fba0bd7548cd6c7266f96501363d044dbe93d2ec4dda5f3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13ff5523525af4fba0bd7548cd6c7266f96501363d044dbe93d2ec4dda5f3a2", kill_on_drop: false }`
[INFO] [stdout] c13ff5523525af4fba0bd7548cd6c7266f96501363d044dbe93d2ec4dda5f3a2
