[INFO] cloning repository https://github.com/2over12/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2over12/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2over12%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2over12%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f66e5c38db3cd55a649eb5105bf3d66a395366c
[INFO] checking 2over12/rlox against master#8b6b15b877fbceb1ee5d9a5a4746e7515901574a for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2over12%2Frlox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/2over12/rlox
[INFO] finished tweaking git repo https://github.com/2over12/rlox
[INFO] tweaked toml for git repo https://github.com/2over12/rlox written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/2over12/rlox on toolchain 8b6b15b877fbceb1ee5d9a5a4746e7515901574a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/2over12/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c66764bf584b00b898f13e00bf74956f07d35cc32240203a27d8c177784abb6c
[INFO] running `Command { std: "docker" "start" "-a" "c66764bf584b00b898f13e00bf74956f07d35cc32240203a27d8c177784abb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c66764bf584b00b898f13e00bf74956f07d35cc32240203a27d8c177784abb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66764bf584b00b898f13e00bf74956f07d35cc32240203a27d8c177784abb6c", kill_on_drop: false }`
[INFO] [stdout] c66764bf584b00b898f13e00bf74956f07d35cc32240203a27d8c177784abb6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c2cc6b926b1ed0aa67ebe2d6c4d8dcdeeaa90036d33318242d4dedcbd7fad5d
[INFO] running `Command { std: "docker" "start" "-a" "2c2cc6b926b1ed0aa67ebe2d6c4d8dcdeeaa90036d33318242d4dedcbd7fad5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking jlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokens.rs:288:10
[INFO] [stdout]     |
[INFO] [stdout] 288 |       '0'...'9' => self.number(),
[INFO] [stdout]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/parser.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         while true {
[INFO] [stdout]     |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokens.rs:288:10
[INFO] [stdout]     |
[INFO] [stdout] 288 |       '0'...'9' => self.number(),
[INFO] [stdout]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/parser.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         while true {
[INFO] [stdout]     |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:314:41
[INFO] [stdout]     |
[INFO] [stdout] 314 |                 expr = self.finish_call(expr);
[INFO] [stdout]     |                             ----------- ^^^^ expected `Expr`, found `Result<Expr, ParserError>`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `syntax::Expr`
[INFO] [stdout]                found enum `std::result::Result<syntax::Expr, ParserError>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/parser.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn finish_call(&mut self, expr: Expr) -> Result<Expr> {
[INFO] [stdout]     |        ^^^^^^^^^^^            ----------
[INFO] [stdout] help: use the `?` operator to extract the `std::result::Result<syntax::Expr, ParserError>` value, propagating a `Result::Err` value to the caller
[INFO] [stdout]     |
[INFO] [stdout] 314 |                 expr = self.finish_call(expr?);
[INFO] [stdout]     |                                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:314:41
[INFO] [stdout]     |
[INFO] [stdout] 314 |                 expr = self.finish_call(expr);
[INFO] [stdout]     |                             ----------- ^^^^ expected `Expr`, found `Result<Expr, ParserError>`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Expr`
[INFO] [stdout]                found enum `std::result::Result<Expr, ParserError>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/parser.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn finish_call(&mut self, expr: Expr) -> Result<Expr> {
[INFO] [stdout]     |        ^^^^^^^^^^^            ----------
[INFO] [stdout] help: use the `?` operator to extract the `std::result::Result<Expr, ParserError>` value, propagating a `Result::Err` value to the caller
[INFO] [stdout]     |
[INFO] [stdout] 314 |                 expr = self.finish_call(expr?);
[INFO] [stdout]     |                                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/interpreter.rs:145:29
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let func = Callable::from(callee)?;
[INFO] [stdout]     |                    -------------- ^^^^^^ expected `&Expr`, found `Literal`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/functions.rs:11:9
[INFO] [stdout]     |
[INFO] [stdout]  11 |     pub fn from(expr: &Expr) -> Result<Callable> {
[INFO] [stdout]     |            ^^^^ -----------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/interpreter.rs:145:29
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let func = Callable::from(callee)?;
[INFO] [stdout]     |                    -------------- ^^^^^^ expected `&Expr`, found `Literal`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/functions.rs:11:9
[INFO] [stdout]     |
[INFO] [stdout]  11 |     pub fn from(expr: &Expr) -> Result<Callable> {
[INFO] [stdout]     |            ^^^^ -----------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/interpreter.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |         func.call(self, args)
[INFO] [stdout]     |              ----       ^^^^ expected `Vec<Literal>`, found `Result<Vec<Literal>, RuntimeError>`
[INFO] [stdout]     |              |
[INFO] [stdout]     |              arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<_>`
[INFO] [stdout]                  found enum `std::result::Result<Vec<_>, RuntimeError>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/functions.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     fn call(&self, intepreter: &mut Interpreter, args: Vec<Literal>) -> Result<Literal>;
[INFO] [stdout]     |        ^^^^                                      ----
[INFO] [stdout] help: use the `?` operator to extract the `std::result::Result<Vec<tokens::Literal>, RuntimeError>` value, propagating a `Result::Err` value to the caller
[INFO] [stdout]     |
[INFO] [stdout] 146 |         func.call(self, args?)
[INFO] [stdout]     |                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/interpreter.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |         func.call(self, args)
[INFO] [stdout]     |              ----       ^^^^ expected `Vec<Literal>`, found `Result<Vec<Literal>, RuntimeError>`
[INFO] [stdout]     |              |
[INFO] [stdout]     |              arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<_>`
[INFO] [stdout]                  found enum `std::result::Result<Vec<_>, RuntimeError>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/functions.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 |     fn call(&self, intepreter: &mut Interpreter, args: Vec<Literal>) -> Result<Literal>;
[INFO] [stdout]     |        ^^^^                                      ----
[INFO] [stdout] help: use the `?` operator to extract the `std::result::Result<Vec<Literal>, RuntimeError>` value, propagating a `Result::Err` value to the caller
[INFO] [stdout]     |
[INFO] [stdout] 146 |         func.call(self, args?)
[INFO] [stdout]     |                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/functions.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from(expr: &Expr) -> Result<Callable> {
[INFO] [stdout]    |            ----                 ^^^^^^^^^^^^^^^^ expected `Result<Callable, RuntimeError>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `std::result::Result<Callable, RuntimeError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/functions.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from(expr: &Expr) -> Result<Callable> {
[INFO] [stdout]    |            ----                 ^^^^^^^^^^^^^^^^ expected `Result<Callable, RuntimeError>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `std::result::Result<Callable, RuntimeError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/functions.rs:18:70
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn call(&self, intepreter: &mut Interpreter, args: Vec<Literal>) -> Result<Literal> {
[INFO] [stdout]    |        ----                                                             ^^^^^^^^^^^^^^^ expected `Result<Literal, RuntimeError>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `std::result::Result<tokens::Literal, RuntimeError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/functions.rs:18:70
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn call(&self, intepreter: &mut Interpreter, args: Vec<Literal>) -> Result<Literal> {
[INFO] [stdout]    |        ----                                                             ^^^^^^^^^^^^^^^ expected `Result<Literal, RuntimeError>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `std::result::Result<Literal, RuntimeError>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]   --> src/syntax.rs:97:34
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn visit_call(self,left: &Expr, paren: &Token, args: &Vec<Expr>) -> String {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]   --> src/syntax.rs:97:34
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn visit_call(self,left: &Expr, paren: &Token, args: &Vec<Expr>) -> String {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/parser.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 |                     self.error(self.peek().unwrap(), "Cannot have more than 8 arguments.");
[INFO] [stdout]     |                     ^^^^^-----^----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |    |     |
[INFO] [stdout]     |                     |    |     immutable borrow occurs here
[INFO] [stdout]     |                     |    immutable borrow later used by call
[INFO] [stdout]     |                     mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/parser.rs:330:21
[INFO] [stdout]     |
[INFO] [stdout] 330 |                     self.error(self.peek().unwrap(), "Cannot have more than 8 arguments.");
[INFO] [stdout]     |                     ^^^^^-----^----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |    |     |
[INFO] [stdout]     |                     |    |     immutable borrow occurs here
[INFO] [stdout]     |                     |    immutable borrow later used by call
[INFO] [stdout]     |                     mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0502.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0502.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jlox` (lib test) due to 6 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jlox` (lib) due to 6 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2c2cc6b926b1ed0aa67ebe2d6c4d8dcdeeaa90036d33318242d4dedcbd7fad5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2cc6b926b1ed0aa67ebe2d6c4d8dcdeeaa90036d33318242d4dedcbd7fad5d", kill_on_drop: false }`
[INFO] [stdout] 2c2cc6b926b1ed0aa67ebe2d6c4d8dcdeeaa90036d33318242d4dedcbd7fad5d
