[INFO] cloning repository https://github.com/amit-mondal/funlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amit-mondal/funlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famit-mondal%2Ffunlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famit-mondal%2Ffunlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab2e0ff699d1bd0c9551d7a30ca0dfa1a45072cc
[INFO] checking amit-mondal/funlang against nightly-2024-02-05 for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famit-mondal%2Ffunlang" "/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/amit-mondal/funlang on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amit-mondal/funlang
[INFO] finished tweaking git repo https://github.com/amit-mondal/funlang
[INFO] tweaked toml for git repo https://github.com/amit-mondal/funlang written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/amit-mondal/funlang 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/TheDan64/inkwell`
[INFO] [stderr]  Downloading crates ...
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 787564dccd8d89cc64d4376c7ec586a6202a882034c8ddbab86d80cbf27ec1e9
[INFO] running `Command { std: "docker" "start" "-a" "787564dccd8d89cc64d4376c7ec586a6202a882034c8ddbab86d80cbf27ec1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "787564dccd8d89cc64d4376c7ec586a6202a882034c8ddbab86d80cbf27ec1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787564dccd8d89cc64d4376c7ec586a6202a882034c8ddbab86d80cbf27ec1e9", kill_on_drop: false }`
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[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf5e04de73cb68daf716cd4256c4a7dfb921badebcef876a8c52596096ef7cc3
[INFO] running `Command { std: "docker" "start" "-a" "cf5e04de73cb68daf716cd4256c4a7dfb921badebcef876a8c52596096ef7cc3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
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[INFO] [stderr]    Compiling ucd-trie v0.1.3
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[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling byte-tools v0.3.1
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[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking bitflags v0.9.1
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[INFO] [stderr]     Checking vec_map v0.8.2
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[INFO] [stderr]     Checking ansi_term v0.9.0
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking id-arena v2.2.1
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[INFO] [stderr]    Compiling term v0.5.2
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[INFO] [stderr]     Checking clap v2.27.1
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[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling llvm-sys v120.2.1
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[INFO] [stderr]    Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#f3a78d1e)
[INFO] [stderr]    Compiling docopt v1.1.1
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[INFO] [stderr]    Compiling fun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/types/typecheck.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/types/typecheck.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/codegen/llvm_gen.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let foo = self
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/codegen/llvm_gen.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let foo = self
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Alloc` and `Unwind` are never constructed
[INFO] [stdout]   --> src/graph/instructions.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum Instruction {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 33 |     Alloc(usize),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 34 |     Unwind
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `gmachine_type`, `stack_type`, and `tag_type` are never read
[INFO] [stdout]   --> src/codegen/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct GenContextTypes<'ctx> {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     gmachine_type: StructType<'ctx>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     gmachine_ptr_type: PointerType<'ctx>,
[INFO] [stdout] 30 |     stack_type: StructType<'ctx>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     tag_type: IntType<'ctx>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Alloc` and `Unwind` are never constructed
[INFO] [stdout]   --> src/graph/instructions.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum Instruction {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 33 |     Alloc(usize),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 34 |     Unwind
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `gmachine_type`, `stack_type`, and `tag_type` are never read
[INFO] [stdout]   --> src/codegen/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct GenContextTypes<'ctx> {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     gmachine_type: StructType<'ctx>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     gmachine_ptr_type: PointerType<'ctx>,
[INFO] [stdout] 30 |     stack_type: StructType<'ctx>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     tag_type: IntType<'ctx>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "cf5e04de73cb68daf716cd4256c4a7dfb921badebcef876a8c52596096ef7cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5e04de73cb68daf716cd4256c4a7dfb921badebcef876a8c52596096ef7cc3", kill_on_drop: false }`
[INFO] [stdout] cf5e04de73cb68daf716cd4256c4a7dfb921badebcef876a8c52596096ef7cc3