[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 try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2over12%2Frlox" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2over12/rlox 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/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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/2over12/rlox 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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3257cd656c8a8e1288116798af3c09be6148a19f4437e83dc1d13521bc6055ec
[INFO] running `Command { std: "docker" "start" "-a" "3257cd656c8a8e1288116798af3c09be6148a19f4437e83dc1d13521bc6055ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3257cd656c8a8e1288116798af3c09be6148a19f4437e83dc1d13521bc6055ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3257cd656c8a8e1288116798af3c09be6148a19f4437e83dc1d13521bc6055ec", kill_on_drop: false }`
[INFO] [stdout] 3257cd656c8a8e1288116798af3c09be6148a19f4437e83dc1d13521bc6055ec
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b19fea5f87194789ffda125b8efdcb2cf4cd3dd2e58f3f4048eea70a1c14d0da
[INFO] running `Command { std: "docker" "start" "-a" "b19fea5f87194789ffda125b8efdcb2cf4cd3dd2e58f3f4048eea70a1c14d0da", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   libc v0.2.51: default, use_std
[INFO] [stderr] 
[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 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[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]     = note: `--force-warn ellipsis-inclusive-range-patterns` implied by `--force-warn rust-2021-compatibility`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 enum `Expr`, found enum `std::result::Result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Expr`
[INFO] [stdout]                found enum `std::result::Result<Expr, ParserError>`
[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 enum `Literal`
[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 struct `Vec`, found enum `std::result::Result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<_>`
[INFO] [stdout]                  found enum `std::result::Result<Vec<_>, RuntimeError>`
[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 enum `std::result::Result`, 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 enum `std::result::Result`, 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] error: aborting due to 5 previous errors; 2 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 `jlox` due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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]     = note: `--force-warn ellipsis-inclusive-range-patterns` implied by `--force-warn rust-2021-compatibility`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 enum `syntax::Expr`, found enum `std::result::Result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `syntax::Expr`
[INFO] [stdout]                found enum `std::result::Result<syntax::Expr, ParserError>`
[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 `&syntax::Expr`, found enum `tokens::Literal`
[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 struct `Vec`, found enum `std::result::Result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<_>`
[INFO] [stdout]                  found enum `std::result::Result<Vec<_>, RuntimeError>`
[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 enum `std::result::Result`, 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 enum `std::result::Result`, 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: aborting due to 5 previous errors; 2 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" "b19fea5f87194789ffda125b8efdcb2cf4cd3dd2e58f3f4048eea70a1c14d0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19fea5f87194789ffda125b8efdcb2cf4cd3dd2e58f3f4048eea70a1c14d0da", kill_on_drop: false }`
[INFO] [stdout] b19fea5f87194789ffda125b8efdcb2cf4cd3dd2e58f3f4048eea70a1c14d0da