[INFO] updating cached repository https://github.com/johannesvollmer/proto-templates
[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] 08afd1ae2894bc03736fa1398baf7a42f1a85488
[INFO] testing johannesvollmer/proto-templates against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohannesvollmer%2Fproto-templates" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johannesvollmer/proto-templates on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johannesvollmer/proto-templates
[INFO] finished tweaking git repo https://github.com/johannesvollmer/proto-templates
[INFO] tweaked toml for git repo https://github.com/johannesvollmer/proto-templates written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/johannesvollmer/proto-templates already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 8f74db9abbac95d3ce003a82c6deba87ce74277fe5ded1784d5725fcb2bc35f2
[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" "8f74db9abbac95d3ce003a82c6deba87ce74277fe5ded1784d5725fcb2bc35f2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling prototype_template_language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `::std::collections::HashMap`
[INFO] [stderr]  --> src/referenced.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:142:22
[INFO] [stderr]     |
[INFO] [stderr] 142 |     skip_char(source.trim_left(), symbol)
[INFO] [stderr]     |                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[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': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:147:24
[INFO] [stderr]     |
[INFO] [stderr] 147 |     expect_char(source.trim_left(), expected_symbol)
[INFO] [stderr]     |                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:152:38
[INFO] [stderr]     |
[INFO] [stderr] 152 |     parse_over_delimiter_char(source.trim_left(), delimiter)
[INFO] [stderr]     |                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:157:30
[INFO] [stderr]     |
[INFO] [stderr] 157 |     parse_chars_while(source.trim_left(), predicate)
[INFO] [stderr]     |                              ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:174:16
[INFO] [stderr]     |
[INFO] [stderr] 174 |         source.trim_left(),
[INFO] [stderr]     |                ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:213:54
[INFO] [stderr]     |
[INFO] [stderr] 213 |             let remaining_objects = remaining_source.trim_left();
[INFO] [stderr]     |                                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:249:40
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let remaining_objects = source.trim_left();
[INFO] [stderr]     |                                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `character`
[INFO] [stderr]    --> src/parse.rs:124:32
[INFO] [stderr]     |
[INFO] [stderr] 124 |             .map(|(byte_index, character)| byte_index)
[INFO] [stderr]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/parse.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |         .map_err(|e| ParseError::UnexpectedEndOfInput { expected: Some(delimiter) })
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_over_delimiter`
[INFO] [stderr]    --> src/parse.rs:151:4
[INFO] [stderr]     |
[INFO] [stderr] 151 | fn parse_over_delimiter(source: Source, delimiter: char) -> ParseResult<(&str, Source)> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "8f74db9abbac95d3ce003a82c6deba87ce74277fe5ded1784d5725fcb2bc35f2"`
[INFO] running `"docker" "rm" "-f" "8f74db9abbac95d3ce003a82c6deba87ce74277fe5ded1784d5725fcb2bc35f2"`
[INFO] [stdout] 8f74db9abbac95d3ce003a82c6deba87ce74277fe5ded1784d5725fcb2bc35f2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 44f7845ea5aeaef2661e65b517e09f9f938fdca94991a9795e333aaaeab6421f
[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" "44f7845ea5aeaef2661e65b517e09f9f938fdca94991a9795e333aaaeab6421f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling prototype_template_language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `::std::collections::HashMap`
[INFO] [stderr]  --> src/referenced.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:142:22
[INFO] [stderr]     |
[INFO] [stderr] 142 |     skip_char(source.trim_left(), symbol)
[INFO] [stderr]     |                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[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': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:147:24
[INFO] [stderr]     |
[INFO] [stderr] 147 |     expect_char(source.trim_left(), expected_symbol)
[INFO] [stderr]     |                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:152:38
[INFO] [stderr]     |
[INFO] [stderr] 152 |     parse_over_delimiter_char(source.trim_left(), delimiter)
[INFO] [stderr]     |                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:157:30
[INFO] [stderr]     |
[INFO] [stderr] 157 |     parse_chars_while(source.trim_left(), predicate)
[INFO] [stderr]     |                              ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:174:16
[INFO] [stderr]     |
[INFO] [stderr] 174 |         source.trim_left(),
[INFO] [stderr]     |                ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:213:54
[INFO] [stderr]     |
[INFO] [stderr] 213 |             let remaining_objects = remaining_source.trim_left();
[INFO] [stderr]     |                                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:249:40
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let remaining_objects = source.trim_left();
[INFO] [stderr]     |                                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `character`
[INFO] [stderr]    --> src/parse.rs:124:32
[INFO] [stderr]     |
[INFO] [stderr] 124 |             .map(|(byte_index, character)| byte_index)
[INFO] [stderr]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/parse.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |         .map_err(|e| ParseError::UnexpectedEndOfInput { expected: Some(delimiter) })
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/parse.rs:416:40
[INFO] [stderr]     |
[INFO] [stderr] 416 |         assert_eq!(parse_while("xyz", |c| true), ("xyz", ""));
[INFO] [stderr]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/parse.rs:417:40
[INFO] [stderr]     |
[INFO] [stderr] 417 |         assert_eq!(parse_while("xyz", |c| false), ("", "xyz"));
[INFO] [stderr]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/parse.rs:418:37
[INFO] [stderr]     |
[INFO] [stderr] 418 |         assert_eq!(parse_while("", |c| true), ("", ""));
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/parse.rs:419:37
[INFO] [stderr]     |
[INFO] [stderr] 419 |         assert_eq!(parse_while("", |c| false), ("", ""));
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `"docker" "inspect" "44f7845ea5aeaef2661e65b517e09f9f938fdca94991a9795e333aaaeab6421f"`
[INFO] running `"docker" "rm" "-f" "44f7845ea5aeaef2661e65b517e09f9f938fdca94991a9795e333aaaeab6421f"`
[INFO] [stdout] 44f7845ea5aeaef2661e65b517e09f9f938fdca94991a9795e333aaaeab6421f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 527aad5f3df8596d3cd6c89b18b1b6496cf6887ca7c02b6351be6e3faed931d1
[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" "527aad5f3df8596d3cd6c89b18b1b6496cf6887ca7c02b6351be6e3faed931d1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `::std::collections::HashMap`
[INFO] [stderr]  --> src/referenced.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:142:22
[INFO] [stderr]     |
[INFO] [stderr] 142 |     skip_char(source.trim_left(), symbol)
[INFO] [stderr]     |                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[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': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:147:24
[INFO] [stderr]     |
[INFO] [stderr] 147 |     expect_char(source.trim_left(), expected_symbol)
[INFO] [stderr]     |                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:152:38
[INFO] [stderr]     |
[INFO] [stderr] 152 |     parse_over_delimiter_char(source.trim_left(), delimiter)
[INFO] [stderr]     |                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:157:30
[INFO] [stderr]     |
[INFO] [stderr] 157 |     parse_chars_while(source.trim_left(), predicate)
[INFO] [stderr]     |                              ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:174:16
[INFO] [stderr]     |
[INFO] [stderr] 174 |         source.trim_left(),
[INFO] [stderr]     |                ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:213:54
[INFO] [stderr]     |
[INFO] [stderr] 213 |             let remaining_objects = remaining_source.trim_left();
[INFO] [stderr]     |                                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/parse.rs:249:40
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let remaining_objects = source.trim_left();
[INFO] [stderr]     |                                        ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `character`
[INFO] [stderr]    --> src/parse.rs:124:32
[INFO] [stderr]     |
[INFO] [stderr] 124 |             .map(|(byte_index, character)| byte_index)
[INFO] [stderr]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/parse.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |         .map_err(|e| ParseError::UnexpectedEndOfInput { expected: Some(delimiter) })
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/parse.rs:416:40
[INFO] [stderr]     |
[INFO] [stderr] 416 |         assert_eq!(parse_while("xyz", |c| true), ("xyz", ""));
[INFO] [stderr]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/parse.rs:417:40
[INFO] [stderr]     |
[INFO] [stderr] 417 |         assert_eq!(parse_while("xyz", |c| false), ("", "xyz"));
[INFO] [stderr]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/parse.rs:418:37
[INFO] [stderr]     |
[INFO] [stderr] 418 |         assert_eq!(parse_while("", |c| true), ("", ""));
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/parse.rs:419:37
[INFO] [stderr]     |
[INFO] [stderr] 419 |         assert_eq!(parse_while("", |c| false), ("", ""));
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prototype_template_language-d87962d6cf0a6deb
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test parse::test_parsing::test_parse_string_literal ... ok
[INFO] [stdout] test parse::test_parsing::test_parse_identifier ... ok
[INFO] [stdout] test parse::test_parsing::test_skip_symbol ... ok
[INFO] [stdout] test parse::test_parsing::test_parse_nested_object ... ok
[INFO] [stdout] test parse::test_parsing::test_parse_over_delimiter ... ok
[INFO] [stdout] test parse::test_parsing::test_parse_reference ... ok
[INFO] [stdout] test parse::test_parsing::test_expect_symbol ... ok
[INFO] [stdout] test flat::test::test_build_flat_object ... ok
[INFO] [stdout] test parse::test_parsing::test_parse_while ... ok
[INFO] [stdout] test parse::test_parsing::test_parse_flat_value ... ok
[INFO] [stdout] test parse::test_parsing::test_parse_flat_named_object ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "527aad5f3df8596d3cd6c89b18b1b6496cf6887ca7c02b6351be6e3faed931d1"`
[INFO] running `"docker" "rm" "-f" "527aad5f3df8596d3cd6c89b18b1b6496cf6887ca7c02b6351be6e3faed931d1"`
[INFO] [stdout] 527aad5f3df8596d3cd6c89b18b1b6496cf6887ca7c02b6351be6e3faed931d1