[INFO] cloning repository https://github.com/ajprabhu09/compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajprabhu09/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajprabhu09%2Fcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajprabhu09%2Fcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab00ec976d5dac3c26dfe4c58250d2a0a7bdf44d
[INFO] checking ajprabhu09/compiler against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajprabhu09%2Fcompiler" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajprabhu09/compiler on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ajprabhu09/compiler
[INFO] finished tweaking git repo https://github.com/ajprabhu09/compiler
[INFO] tweaked toml for git repo https://github.com/ajprabhu09/compiler written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ajprabhu09/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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating git repository `https://github.com/maciejhirsz/logos/`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd39f88b54ee3c553552300ab531365d05123d73d87d9546d796fbb823ec6745
[INFO] running `Command { std: "docker" "start" "-a" "fd39f88b54ee3c553552300ab531365d05123d73d87d9546d796fbb823ec6745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd39f88b54ee3c553552300ab531365d05123d73d87d9546d796fbb823ec6745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd39f88b54ee3c553552300ab531365d05123d73d87d9546d796fbb823ec6745", kill_on_drop: false }`
[INFO] [stdout] fd39f88b54ee3c553552300ab531365d05123d73d87d9546d796fbb823ec6745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e4b4c4ed34c09d05bce7ed685113e168f91a7968c445ec227cf4a35846af1e
[INFO] running `Command { std: "docker" "start" "-a" "65e4b4c4ed34c09d05bce7ed685113e168f91a7968c445ec227cf4a35846af1e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir/compiler)
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling logos-codegen v0.13.0 (https://github.com/maciejhirsz/logos/#291a6249)
[INFO] [stderr]    Compiling logos-derive v0.13.0 (https://github.com/maciejhirsz/logos/#291a6249)
[INFO] [stderr]     Checking logos v0.13.0 (https://github.com/maciejhirsz/logos/#291a6249)
[INFO] [stderr]     Checking middle v0.1.0 (/opt/rustwide/workdir/middle)
[INFO] [stdout] error[E0658]: use of unstable library feature 'panic_internals': internal details of the implementation of the `panic!` and related macros
[INFO] [stdout]  --> middle/src/typechecking.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panicking::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(panic_internals)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'panic_internals': internal details of the implementation of the `panic!` and related macros
[INFO] [stdout]  --> middle/src/typechecking.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panicking::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(panic_internals)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-05-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> middle/src/typechecking.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 return ty;
[INFO] [stdout]    |                        ^^ expected `Type<'_>`, found `Option<Type<'_>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `frontend::ast::Type<'_>`
[INFO] [stdout]                 found enum `Option<frontend::ast::Type<'_>>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<frontend::ast::Type<'_>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 return ty.expect("REASON");
[INFO] [stdout]    |                          +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> middle/src/typechecking.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 return ty;
[INFO] [stdout]    |                        ^^ expected `Type<'_>`, found `Option<Type<'_>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `frontend::ast::Type<'_>`
[INFO] [stdout]                 found enum `Option<frontend::ast::Type<'_>>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<frontend::ast::Type<'_>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 return ty.expect("REASON");
[INFO] [stdout]    |                          +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `middle` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `middle` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "65e4b4c4ed34c09d05bce7ed685113e168f91a7968c445ec227cf4a35846af1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e4b4c4ed34c09d05bce7ed685113e168f91a7968c445ec227cf4a35846af1e", kill_on_drop: false }`
[INFO] [stdout] 65e4b4c4ed34c09d05bce7ed685113e168f91a7968c445ec227cf4a35846af1e