[INFO] updating cached repository yu-i9/mini_python
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yu-i9/mini_python
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yu-i9/mini_python" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yu-i9/mini_python"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yu-i9/mini_python'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yu-i9/mini_python" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yu-i9/mini_python"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yu-i9/mini_python'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d62b9040f8427057a20d18340a27bdf2dfc8c22e
[INFO] sha for GitHub repo yu-i9/mini_python: d62b9040f8427057a20d18340a27bdf2dfc8c22e
[INFO] validating manifest of yu-i9/mini_python on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yu-i9/mini_python on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yu-i9/mini_python
[INFO] finished frobbing yu-i9/mini_python
[INFO] frobbed toml for yu-i9/mini_python written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yu-i9/mini_python/Cargo.toml
[INFO] started frobbing yu-i9/mini_python
[INFO] finished frobbing yu-i9/mini_python
[INFO] frobbed toml for yu-i9/mini_python written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yu-i9/mini_python/Cargo.toml
[INFO] crate yu-i9/mini_python already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yu-i9/mini_python against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yu-i9/mini_python:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a18c028c6e10be9efbcd8b70db56131a9dd6844004037dda99af08e2c481df71
[INFO] running `"docker" "start" "-a" "a18c028c6e10be9efbcd8b70db56131a9dd6844004037dda99af08e2c481df71"`
[INFO] [stderr]     Checking mini_python v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         '0' ... '9' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/core/lexer.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |             '0' ... '9' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opcode::*`
[INFO] [stderr]  --> src/core/utils.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use opcode::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         '0' ... '9' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/core/lexer.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |         '_' | 'a' ... 'z' | 'A' ... 'Z' => true,
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/core/lexer.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |             '0' ... '9' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `opcode::*`
[INFO] [stderr]  --> src/core/utils.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use opcode::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ch` is never read
[INFO] [stderr]    --> src/core/lexer.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let mut ch = '0';
[INFO] [stderr]     |                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]    --> src/core/object/typeobj.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 | pub fn type_new(meta: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_meta`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `mro` is never read
[INFO] [stderr]    --> src/core/object/typeobj.rs:472:13
[INFO] [stderr]     |
[INFO] [stderr] 472 |     let mut mro: Vec<Rc<PyObject>> = vec![];
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/core/object/typeobj.rs:556:34
[INFO] [stderr]     |
[INFO] [stderr] 556 | fn object_new(typ: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stderr]     |                                  ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ch` is never read
[INFO] [stderr]    --> src/core/lexer.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let mut ch = '0';
[INFO] [stderr]     |                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stderr]    --> src/core/object/typeobj.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 | pub fn type_new(meta: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_meta`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `mro` is never read
[INFO] [stderr]    --> src/core/object/typeobj.rs:472:13
[INFO] [stderr]     |
[INFO] [stderr] 472 |     let mut mro: Vec<Rc<PyObject>> = vec![];
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/core/object/typeobj.rs:556:34
[INFO] [stderr]     |
[INFO] [stderr] 556 | fn object_new(typ: Rc<PyObject>, args: &Vec<Rc<PyObject>>) -> PyRes<Rc<PyObject>> {
[INFO] [stderr]     |                                  ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/eval.rs:275:25
[INFO] [stderr]     |
[INFO] [stderr] 275 |                     let mut dictobj = PyObject::pydict_new();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `args`
[INFO] [stderr]    --> src/core/object/excobj.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     args: Rc<PyObject>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/core/mod.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(iterator_find_map)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/eval.rs:275:25
[INFO] [stderr]     |
[INFO] [stderr] 275 |                     let mut dictobj = PyObject::pydict_new();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/env.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             dictobj.pydict_update(key, Rc::clone(v));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/core/eval.rs:278:25
[INFO] [stderr]     |
[INFO] [stderr] 278 |                         dictobj.pydict_update(Rc::clone(&vs[i*2]), Rc::clone(&vs[i*2+1]));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/core/eval.rs:422:21
[INFO] [stderr]     |
[INFO] [stderr] 422 |                     eval(&codeobj.pycode_code(), Rc::clone(&new_env));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     PY_BASEOBJ_TYPE.with(|tp| { pytype_ready(Rc::clone(tp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     PY_BOOL_TYPE.with(|booltp| { pytype_ready(Rc::clone(booltp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     PY_LIST_TYPE.with(|listtp| { pytype_ready(Rc::clone(listtp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     PY_BASEEXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     PY_EXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     PY_TYPEERROR_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/utils.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             eval(&code, env);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `args`
[INFO] [stderr]    --> src/core/object/excobj.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     args: Rc<PyObject>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/core/mod.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(iterator_find_map)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/env.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             dictobj.pydict_update(key, Rc::clone(v));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/core/eval.rs:278:25
[INFO] [stderr]     |
[INFO] [stderr] 278 |                         dictobj.pydict_update(Rc::clone(&vs[i*2]), Rc::clone(&vs[i*2+1]));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/core/eval.rs:422:21
[INFO] [stderr]     |
[INFO] [stderr] 422 |                     eval(&codeobj.pycode_code(), Rc::clone(&new_env));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     PY_BASEOBJ_TYPE.with(|tp| { pytype_ready(Rc::clone(tp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     PY_BOOL_TYPE.with(|booltp| { pytype_ready(Rc::clone(booltp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     PY_LIST_TYPE.with(|listtp| { pytype_ready(Rc::clone(listtp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     PY_BASEEXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     PY_EXC_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/builtinmodule.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     PY_TYPEERROR_TYPE.with(|exctp| { pytype_ready(Rc::clone(exctp)) });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/core/utils.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             eval(&code, env);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "a18c028c6e10be9efbcd8b70db56131a9dd6844004037dda99af08e2c481df71"`
[INFO] running `"docker" "rm" "-f" "a18c028c6e10be9efbcd8b70db56131a9dd6844004037dda99af08e2c481df71"`
[INFO] [stdout] a18c028c6e10be9efbcd8b70db56131a9dd6844004037dda99af08e2c481df71