[INFO] updating cached repository https://github.com/TrolledWoods/TrolledLang
[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] 8a1f7b9dc88ef82eb69a91ad0a7d54b0a56bc7b2
[INFO] checking TrolledWoods/TrolledLang against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrolledWoods%2FTrolledLang" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrolledWoods/TrolledLang on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TrolledWoods/TrolledLang
[INFO] finished tweaking git repo https://github.com/TrolledWoods/TrolledLang
[INFO] tweaked toml for git repo https://github.com/TrolledWoods/TrolledLang written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TrolledWoods/TrolledLang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3c74191de5b3f10dd235e0118e832a2f940db52b5e4343598360b451673445c
[INFO] running `"docker" "start" "-a" "a3c74191de5b3f10dd235e0118e832a2f940db52b5e4343598360b451673445c"`
[INFO] [stderr]     Checking language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lexer/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lexer/errors.rs:6:35
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn get_causes(&self) -> &[Box<ParserError>] {
[INFO] [stderr]   |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer/errors.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn cmp_strength(&self, other: &Option<Box<ParserError>>) -> bool {
[INFO] [stderr]    |                                               ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer/errors.rs:44:35
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get_causes(&self) -> &[Box<ParserError>] {
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:107:20
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub cause: Box<ParserError>,
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn get_causes(&self) -> &[Box<ParserError>] {
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:137:25
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub causes: Vec<Box<ParserError>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:138:29
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub recover: Option<Box<SyntaxTreeNode>>
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:157:35
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn get_causes(&self) -> &[Box<ParserError>] {
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:166:41
[INFO] [stderr]     |
[INFO] [stderr] 166 | pub type ParseResult<T> = Result<T, Box<ParserError>>;
[INFO] [stderr]     |                                         ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lexer/block_node.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub contents: Vec<Box<SyntaxTreeNode>>,
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lexer/block_node.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub _return: Option<Box<SyntaxTreeNode>>
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lexer/assignment_node.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub data: Box<SyntaxTreeNode>
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |         -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:115:28
[INFO] [stderr]     |
[INFO] [stderr] 115 |         -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:184:86
[INFO] [stderr]     |
[INFO] [stderr] 184 | fn parse_literal(tokens: &mut Needle<Token>, meta: &TextMetaData) -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]     |                                                                                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:197:28
[INFO] [stderr]     |
[INFO] [stderr] 197 |         -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:274:28
[INFO] [stderr]     |
[INFO] [stderr] 274 |         -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:306:31
[INFO] [stderr]     |
[INFO] [stderr] 306 |     let mut contents: Vec<Box<SyntaxTreeNode>> = Vec::new();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lexer/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lexer/errors.rs:6:35
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn get_causes(&self) -> &[Box<ParserError>] {
[INFO] [stderr]   |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer/errors.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn cmp_strength(&self, other: &Option<Box<ParserError>>) -> bool {
[INFO] [stderr]    |                                               ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer/errors.rs:44:35
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn get_causes(&self) -> &[Box<ParserError>] {
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:107:20
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub cause: Box<ParserError>,
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn get_causes(&self) -> &[Box<ParserError>] {
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:137:25
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub causes: Vec<Box<ParserError>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:138:29
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub recover: Option<Box<SyntaxTreeNode>>
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:157:35
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn get_causes(&self) -> &[Box<ParserError>] {
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/errors.rs:166:41
[INFO] [stderr]     |
[INFO] [stderr] 166 | pub type ParseResult<T> = Result<T, Box<ParserError>>;
[INFO] [stderr]     |                                         ^^^^^^^^^^^ help: use `dyn`: `dyn ParserError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lexer/block_node.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub contents: Vec<Box<SyntaxTreeNode>>,
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lexer/block_node.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub _return: Option<Box<SyntaxTreeNode>>
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lexer/assignment_node.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub data: Box<SyntaxTreeNode>
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:97:28
[INFO] [stderr]    |
[INFO] [stderr] 97 |         -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:115:28
[INFO] [stderr]     |
[INFO] [stderr] 115 |         -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:184:86
[INFO] [stderr]     |
[INFO] [stderr] 184 | fn parse_literal(tokens: &mut Needle<Token>, meta: &TextMetaData) -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]     |                                                                                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:197:28
[INFO] [stderr]     |
[INFO] [stderr] 197 |         -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:274:28
[INFO] [stderr]     |
[INFO] [stderr] 274 |         -> ParseResult<Box<SyntaxTreeNode>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:306:31
[INFO] [stderr]     |
[INFO] [stderr] 306 |     let mut contents: Vec<Box<SyntaxTreeNode>> = Vec::new();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SyntaxTreeNode`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     return;
[INFO] [stderr]    |     ------ any code following this expression is unreachable
[INFO] [stderr] 47 | 
[INFO] [stderr] 48 |     let args: Vec<String> = std::env::args().collect();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     return;
[INFO] [stderr]    |     ------ any code following this expression is unreachable
[INFO] [stderr] 47 | 
[INFO] [stderr] 48 |     let args: Vec<String> = std::env::args().collect();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scope`
[INFO] [stderr]   --> src/lexer/mod.rs:27:36
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scopes`
[INFO] [stderr]   --> src/lexer/mod.rs:27:56
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scopes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scope`
[INFO] [stderr]   --> src/lexer/block_node.rs:31:36
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scope`
[INFO] [stderr]   --> src/lexer/literal_node.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scopes`
[INFO] [stderr]   --> src/lexer/literal_node.rs:20:56
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scopes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scope`
[INFO] [stderr]   --> src/lexer/mod.rs:27:36
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scopes`
[INFO] [stderr]   --> src/lexer/mod.rs:27:56
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scopes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scope`
[INFO] [stderr]   --> src/lexer/block_node.rs:31:36
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scope`
[INFO] [stderr]   --> src/lexer/literal_node.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scopes`
[INFO] [stderr]   --> src/lexer/literal_node.rs:20:56
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn get_possible_returns(&self, scope: ScopeHandle, scopes: &ScopePool) -> TypeCollection {
[INFO] [stderr]    |                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scopes`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tokenizer/mod.rs:377:9
[INFO] [stderr]     |
[INFO] [stderr] 377 |     let mut errors = Vec::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: variable does not need to be mutable
[INFO] [stderr]    --> src/tokenizer/mod.rs:377:9
[INFO] [stderr]     |
[INFO] [stderr] 377 |     let mut errors = Vec::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: method is never used: `collapse`
[INFO] [stderr]   --> src/lexer/type_handler.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn collapse(&self) -> Option<Type> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_member_loc`
[INFO] [stderr]    --> src/lexer/type_handler.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn get_member_loc(&self, scope_id: u32, var_name: &str) -> Option<u32> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/vm/byte_vec.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn iter(&self) -> ByteVecIterator {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_byte_vec`
[INFO] [stderr]    --> src/vm/byte_vec.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn push_byte_vec(&mut self, byte_vec: &ByteVec) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `VirtualMachine`
[INFO] [stderr]  --> src/vm/mod.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct VirtualMachine {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/vm/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(instructions: &ByteVec) -> VirtualMachine {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `collapse`
[INFO] [stderr]   --> src/lexer/type_handler.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn collapse(&self) -> Option<Type> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_member_loc`
[INFO] [stderr]    --> src/lexer/type_handler.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn get_member_loc(&self, scope_id: u32, var_name: &str) -> Option<u32> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/vm/byte_vec.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn iter(&self) -> ByteVecIterator {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_byte_vec`
[INFO] [stderr]    --> src/vm/byte_vec.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn push_byte_vec(&mut self, byte_vec: &ByteVec) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `VirtualMachine`
[INFO] [stderr]  --> src/vm/mod.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct VirtualMachine {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/vm/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(instructions: &ByteVec) -> VirtualMachine {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "a3c74191de5b3f10dd235e0118e832a2f940db52b5e4343598360b451673445c"`
[INFO] running `"docker" "rm" "-f" "a3c74191de5b3f10dd235e0118e832a2f940db52b5e4343598360b451673445c"`
[INFO] [stdout] a3c74191de5b3f10dd235e0118e832a2f940db52b5e4343598360b451673445c