[INFO] cloning repository https://github.com/CutieDeng/SPL-Compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CutieDeng/SPL-Compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCutieDeng%2FSPL-Compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCutieDeng%2FSPL-Compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37397b66631248ca35d6db6b27f08c16ad515bce
[INFO] checking CutieDeng/SPL-Compiler against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCutieDeng%2FSPL-Compiler" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/CutieDeng/SPL-Compiler
[INFO] finished tweaking git repo https://github.com/CutieDeng/SPL-Compiler
[INFO] tweaked toml for git repo https://github.com/CutieDeng/SPL-Compiler written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CutieDeng/SPL-Compiler on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CutieDeng/SPL-Compiler 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b393180c5d9ce01b72259390105524a69fce74530d7284e9c39c7b9337a936a2
[INFO] running `Command { std: "docker" "start" "-a" "b393180c5d9ce01b72259390105524a69fce74530d7284e9c39c7b9337a936a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b393180c5d9ce01b72259390105524a69fce74530d7284e9c39c7b9337a936a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b393180c5d9ce01b72259390105524a69fce74530d7284e9c39c7b9337a936a2", kill_on_drop: false }`
[INFO] [stdout] b393180c5d9ce01b72259390105524a69fce74530d7284e9c39c7b9337a936a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b82e18e6c990eecce25d0de57fb6e281ad609043cf3e551388488f4e38cfa627
[INFO] running `Command { std: "docker" "start" "-a" "b82e18e6c990eecce25d0de57fb6e281ad609043cf3e551388488f4e38cfa627", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling async-recursion v1.0.5
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking spl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ParseFloatError`
[INFO] [stdout]  --> src/token/error.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, num::{IntErrorKind, ParseFloatError}, ops::Not};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `yield_now`
[INFO] [stdout]  --> src/parser/args.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{token::Token, yield_now};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParseFloatError`
[INFO] [stdout]  --> src/token/error.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, num::{IntErrorKind, ParseFloatError}, ops::Not};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `yield_now`
[INFO] [stdout]  --> src/parser/args.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{token::Token, yield_now};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/parser/args.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | /         loop {
[INFO] [stdout] 12 | |             let r = Exp::parse(input).await; 
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |           todo!()
[INFO] [stdout]    |           ^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/parser/args.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | /         loop {
[INFO] [stdout] 12 | |             let r = Exp::parse(input).await; 
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |           todo!()
[INFO] [stdout]    |           ^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/parser/exp.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[async_recursion::async_recursion]
[INFO] [stdout]    |     ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 91 |                 let f = f?; 
[INFO] [stdout]    |                          ^ cannot use the `?` operator in an async block that returns `parser::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `{async block@src/parser/exp.rs:80:5: 80:40}` to be a future that resolves to `Result<(Exp<'a>, &[Token<'a, 'a>]), Error>`, but it resolves to `Error`
[INFO] [stdout]   --> src/parser/exp.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[async_recursion::async_recursion]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(Exp<'_>, &[Token<'_, '_>]), ...>`, found `Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<(Exp<'a>, &'a [Token<'a, 'a>]), parser::error::Error>`
[INFO] [stdout]             found struct `parser::error::Error`
[INFO] [stdout]    = note: required for the cast from `Pin<Box<{async block@src/parser/exp.rs:80:5: 80:40}>>` to `Pin<Box<dyn Future<Output = Result<(Exp<'a>, &[...]), ...>> + Send>>`
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/spl-9f238f6a2f1325b9.long-type-13366542097371619461.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the attribute macro `async_recursion::async_recursion` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/parser/exp.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[async_recursion::async_recursion]
[INFO] [stdout]    |     ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 91 |                 let f = f?; 
[INFO] [stdout]    |                          ^ cannot use the `?` operator in an async block that returns `parser::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `{async block@src/parser/exp.rs:80:5: 80:40}` to be a future that resolves to `Result<(Exp<'a>, &[Token<'a, 'a>]), Error>`, but it resolves to `Error`
[INFO] [stdout]   --> src/parser/exp.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[async_recursion::async_recursion]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(Exp<'_>, &[Token<'_, '_>]), ...>`, found `Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<(Exp<'a>, &'a [Token<'a, 'a>]), parser::error::Error>`
[INFO] [stdout]             found struct `parser::error::Error`
[INFO] [stdout]    = note: required for the cast from `Pin<Box<{async block@src/parser/exp.rs:80:5: 80:40}>>` to `Pin<Box<dyn Future<Output = Result<(Exp<'a>, &[...]), ...>> + Send>>`
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/spl-26f903af2a89e9e3.long-type-6297527829089151783.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the attribute macro `async_recursion::async_recursion` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser/exp.rs:76:24
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub async fn parse(input: &'a [Token<'a, 'a>]) -> Result<(Exp<'a>, &'a [Token<'a, 'a>]), Error> {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/parser/args.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let r = Exp::parse(input).await; 
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser/exp.rs:76:24
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub async fn parse(input: &'a [Token<'a, 'a>]) -> Result<(Exp<'a>, &'a [Token<'a, 'a>]), Error> {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/parser/args.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let r = Exp::parse(input).await; 
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spl` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `spl` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b82e18e6c990eecce25d0de57fb6e281ad609043cf3e551388488f4e38cfa627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82e18e6c990eecce25d0de57fb6e281ad609043cf3e551388488f4e38cfa627", kill_on_drop: false }`
[INFO] [stdout] b82e18e6c990eecce25d0de57fb6e281ad609043cf3e551388488f4e38cfa627
