[INFO] updating cached repository https://github.com/jonimake/MiniPLInterpreter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4e37ad3a280e2ed53f21c6175d583897b1cc096c
[INFO] testing jonimake/MiniPLInterpreter against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonimake%2FMiniPLInterpreter" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonimake/MiniPLInterpreter on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jonimake/MiniPLInterpreter
[INFO] finished tweaking git repo https://github.com/jonimake/MiniPLInterpreter
[INFO] tweaked toml for git repo https://github.com/jonimake/MiniPLInterpreter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jonimake/MiniPLInterpreter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] e2e50c30d3d25833497cdeb85e61592fe59df6ae9f846a29ebb33109089dc531
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e2e50c30d3d25833497cdeb85e61592fe59df6ae9f846a29ebb33109089dc531"`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling fern v0.4.4
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling clap v2.29.1
[INFO] [stderr]    Compiling simplelog v0.4.4
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling structopt v0.1.6
[INFO] [stderr]    Compiling mini_pli_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/main.rs:119:16
[INFO] [stderr]     |
[INFO] [stderr] 119 |         buffer.trim_left_matches("\u{feff}");
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/lexer/lexeme_iterator.rs:68:26
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let src = string.trim_left_matches("\u{feff}"); //strip BOM
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ParseError`
[INFO] [stderr]   --> src/parser/interpreter.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     ParseError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedToken`
[INFO] [stderr]   --> src/parser/interpreter.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     UnexpectedToken(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `errors`
[INFO] [stderr]   --> src/parser/interpreter.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     errors: Vec<Err>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(uniform_paths, tool_lints)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(uniform_paths, tool_lints)]
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.71s
[INFO] running `"docker" "inspect" "e2e50c30d3d25833497cdeb85e61592fe59df6ae9f846a29ebb33109089dc531"`
[INFO] running `"docker" "rm" "-f" "e2e50c30d3d25833497cdeb85e61592fe59df6ae9f846a29ebb33109089dc531"`
[INFO] [stdout] e2e50c30d3d25833497cdeb85e61592fe59df6ae9f846a29ebb33109089dc531
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] baf7641f048bf8cfdb8916330c76c73924d8f158da87e9671ea0c580fb955254
[INFO] running `"docker" "start" "-a" "baf7641f048bf8cfdb8916330c76c73924d8f158da87e9671ea0c580fb955254"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling mini_pli_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/main.rs:119:16
[INFO] [stderr]     |
[INFO] [stderr] 119 |         buffer.trim_left_matches("\u{feff}");
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/lexer/lexeme_iterator.rs:68:26
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let src = string.trim_left_matches("\u{feff}"); //strip BOM
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ParseError`
[INFO] [stderr]   --> src/parser/interpreter.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     ParseError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedToken`
[INFO] [stderr]   --> src/parser/interpreter.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     UnexpectedToken(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `errors`
[INFO] [stderr]   --> src/parser/interpreter.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     errors: Vec<Err>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(uniform_paths, tool_lints)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(uniform_paths, tool_lints)]
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser/interpreter.rs:628:5
[INFO] [stderr]     |
[INFO] [stderr] 628 |     int.interpret();
[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/parser/interpreter.rs:648:5
[INFO] [stderr]     |
[INFO] [stderr] 648 |     int.interpret();
[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/parser/interpreter.rs:667:5
[INFO] [stderr]     |
[INFO] [stderr] 667 |     int.interpret();
[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/parser/interpreter.rs:686:5
[INFO] [stderr]     |
[INFO] [stderr] 686 |     int.interpret();
[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/parser/interpreter.rs:704:5
[INFO] [stderr]     |
[INFO] [stderr] 704 |     int.interpret();
[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/parser/interpreter.rs:730:5
[INFO] [stderr]     |
[INFO] [stderr] 730 |     int.interpret();
[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/parser/interpreter.rs:868:5
[INFO] [stderr]     |
[INFO] [stderr] 868 |     int.interpret();
[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/parser/interpreter.rs:904:5
[INFO] [stderr]     |
[INFO] [stderr] 904 |     int.interpret();
[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/parser/interpreter.rs:985:9
[INFO] [stderr]     |
[INFO] [stderr] 985 |         int.interpret();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.20s
[INFO] running `"docker" "inspect" "baf7641f048bf8cfdb8916330c76c73924d8f158da87e9671ea0c580fb955254"`
[INFO] running `"docker" "rm" "-f" "baf7641f048bf8cfdb8916330c76c73924d8f158da87e9671ea0c580fb955254"`
[INFO] [stdout] baf7641f048bf8cfdb8916330c76c73924d8f158da87e9671ea0c580fb955254
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 545d1508e22d8a714b78ddb7acbab3abbc489c1bcac2af61e67e18e987db5cae
[INFO] running `"docker" "start" "-a" "545d1508e22d8a714b78ddb7acbab3abbc489c1bcac2af61e67e18e987db5cae"`
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/main.rs:119:16
[INFO] [stderr]     |
[INFO] [stderr] 119 |         buffer.trim_left_matches("\u{feff}");
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/lexer/lexeme_iterator.rs:68:26
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let src = string.trim_left_matches("\u{feff}"); //strip BOM
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ParseError`
[INFO] [stderr]   --> src/parser/interpreter.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     ParseError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedToken`
[INFO] [stderr]   --> src/parser/interpreter.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     UnexpectedToken(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `errors`
[INFO] [stderr]   --> src/parser/interpreter.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     errors: Vec<Err>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(uniform_paths, tool_lints)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(uniform_paths, tool_lints)]
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser/interpreter.rs:628:5
[INFO] [stderr]     |
[INFO] [stderr] 628 |     int.interpret();
[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/parser/interpreter.rs:648:5
[INFO] [stderr]     |
[INFO] [stderr] 648 |     int.interpret();
[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/parser/interpreter.rs:667:5
[INFO] [stderr]     |
[INFO] [stderr] 667 |     int.interpret();
[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/parser/interpreter.rs:686:5
[INFO] [stderr]     |
[INFO] [stderr] 686 |     int.interpret();
[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/parser/interpreter.rs:704:5
[INFO] [stderr]     |
[INFO] [stderr] 704 |     int.interpret();
[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/parser/interpreter.rs:730:5
[INFO] [stderr]     |
[INFO] [stderr] 730 |     int.interpret();
[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/parser/interpreter.rs:868:5
[INFO] [stderr]     |
[INFO] [stderr] 868 |     int.interpret();
[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/parser/interpreter.rs:904:5
[INFO] [stderr]     |
[INFO] [stderr] 904 |     int.interpret();
[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/parser/interpreter.rs:985:9
[INFO] [stderr]     |
[INFO] [stderr] 985 |         int.interpret();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mini_pli_interpreter-dd69777ba949e510
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test lexer::lexeme_iterator::recognize_string_literal ... ok
[INFO] [stdout] test lexer::lexeme_iterator::lexemeize_full_line ... ok
[INFO] [stdout] test lexer::lexeme_iterator::recognize_bool ... ok
[INFO] [stdout] test lexer::lexeme_iterator::lexemeize_integer_assignment ... ok
[INFO] [stdout] test lexer::lexeme_iterator::lexemeize_multiple_lines ... ok
[INFO] [stdout] test lexer::lexeme_iterator::lexemeize_two_consecutive_file_3 ... ok
[INFO] [stdout] test lexer::lexeme_iterator::lexemeize_two_consecutive ... ok
[INFO] [stdout] test lexer::lexeme_iterator::recornize_integer ... ok
[INFO] [stdout] test parser::interpreter::evaluate_postfix_complex ... ok
[INFO] [stdout] test lexer::lexeme_iterator::recornize_identifier ... ok
[INFO] [stdout] test lexer::lexeme_iterator::recorgnize_expression ... ok
[INFO] [stdout] test parser::interpreter::for_loop_test ... ok
[INFO] [stdout] test parser::interpreter::evaluate_postfix_equality ... ok
[INFO] [stdout] test parser::interpreter::for_loop_assert_test ... ok
[INFO] [stdout] test parser::interpreter::parse_expression_2 ... ok
[INFO] [stdout] test parser::interpreter::parse_expression_4 ... ok
[INFO] [stdout] test parser::interpreter::parse_expression_1 ... ok
[INFO] [stdout] test parser::interpreter::parse_expression_3 ... ok
[INFO] [stdout] test parser::interpreter::parse_print_string_integer ... ok
[INFO] [stdout] test parser::interpreter::parse_print_string_literal ... ok
[INFO] [stdout] test parser::interpreter::parse_var_declaration ... ok
[INFO] [stdout] test parser::interpreter::parse_expression_5 ... ok
[INFO] [stdout] test parser::interpreter::is_operator_test ... ok
[INFO] [stdout] test parser::interpreter::parse_assert_identifier ... ok
[INFO] [stdout] test parser::interpreter::parse_assert ... ok
[INFO] [stdout] test parser::interpreter::evaluate_postfix_simple_addition ... ok
[INFO] [stdout] test parser::interpreter::parse_var_definition_expression_2 ... ok
[INFO] [stdout] test parser::interpreter::parse_var_definition ... ok
[INFO] [stdout] test parser::interpreter::stateful_var_definition ... ok
[INFO] [stdout] test parser::interpreter::parse_print_complicated ... ok
[INFO] [stdout] test test_decl_assign_boolean ... ok
[INFO] [stdout] test parser::interpreter::parse_var_definition_expression_3 ... ok
[INFO] [stdout] test parser::interpreter::parse_var_definition_2 ... ok
[INFO] [stdout] test parser::interpreter::parse_var_definition_expression_1 ... ok
[INFO] [stdout] test parser::interpreter::test_precedence ... ok
[INFO] [stdout] test sample1_var_definition_expression_print ... ok
[INFO] [stdout] test sample4_decl_assign_print ... ok
[INFO] [stdout] test sample2_loop_print ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "545d1508e22d8a714b78ddb7acbab3abbc489c1bcac2af61e67e18e987db5cae"`
[INFO] running `"docker" "rm" "-f" "545d1508e22d8a714b78ddb7acbab3abbc489c1bcac2af61e67e18e987db5cae"`
[INFO] [stdout] 545d1508e22d8a714b78ddb7acbab3abbc489c1bcac2af61e67e18e987db5cae