[INFO] cloning repository https://github.com/philmein23/lox-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philmein23/lox-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Flox-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Flox-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d0e69182ce34ae9706bd28ede3c46e1eb3a98bf
[INFO] checking philmein23/lox-interpreter against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Flox-interpreter" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philmein23/lox-interpreter on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/philmein23/lox-interpreter
[INFO] finished tweaking git repo https://github.com/philmein23/lox-interpreter
[INFO] tweaked toml for git repo https://github.com/philmein23/lox-interpreter written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/philmein23/lox-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33c95ec9a705434b026c57fb34f9e478b77c11d99e7d4178b2950140e2c55ee4
[INFO] running `Command { std: "docker" "start" "-a" "33c95ec9a705434b026c57fb34f9e478b77c11d99e7d4178b2950140e2c55ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33c95ec9a705434b026c57fb34f9e478b77c11d99e7d4178b2950140e2c55ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c95ec9a705434b026c57fb34f9e478b77c11d99e7d4178b2950140e2c55ee4", kill_on_drop: false }`
[INFO] [stdout] 33c95ec9a705434b026c57fb34f9e478b77c11d99e7d4178b2950140e2c55ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dff46748be090a9f8ab87c27dc379f89651be5fd605204b791d1e2e351bd6617
[INFO] running `Command { std: "docker" "start" "-a" "dff46748be090a9f8ab87c27dc379f89651be5fd605204b791d1e2e351bd6617", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking lox v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RIGHT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     LEFT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     RIGHT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Token`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]  --> src/ast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Prefix`
[INFO] [stdout]  --> src/parser.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ast::{Expression, Infix, Prefix};
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn term(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]    |        ----               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Expression, ParseError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn factor(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]    |        ------               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Expression, ParseError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser.rs:90:28
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn unary(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]    |        -----               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Expression, ParseError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser.rs:94:30
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn primary(&mut self) -> Result<Expression, ParseError> {}
[INFO] [stdout]    |        -------               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Expression, ParseError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lox` due to 5 previous errors; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RIGHT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     LEFT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     RIGHT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]  --> src/ast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/ast.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Prefix`
[INFO] [stdout]  --> src/parser.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ast::{Expression, Infix, Prefix};
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn term(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]    |        ----               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Expression, ParseError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser.rs:86:29
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn factor(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]    |        ------               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Expression, ParseError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser.rs:90:28
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn unary(&mut self) -> Result<Expression, ParseError> {
[INFO] [stdout]    |        -----               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Expression, ParseError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser.rs:94:30
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn primary(&mut self) -> Result<Expression, ParseError> {}
[INFO] [stdout]    |        -------               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Expression, ParseError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "dff46748be090a9f8ab87c27dc379f89651be5fd605204b791d1e2e351bd6617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff46748be090a9f8ab87c27dc379f89651be5fd605204b791d1e2e351bd6617", kill_on_drop: false }`
[INFO] [stdout] dff46748be090a9f8ab87c27dc379f89651be5fd605204b791d1e2e351bd6617