[INFO] cloning repository https://github.com/ddadaal/kaleidoscope-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ddadaal/kaleidoscope-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddadaal%2Fkaleidoscope-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddadaal%2Fkaleidoscope-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d7cb57061315c8ad6424fcb360b5781729226c1
[INFO] checking ddadaal/kaleidoscope-rust against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddadaal%2Fkaleidoscope-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ddadaal/kaleidoscope-rust on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ddadaal/kaleidoscope-rust
[INFO] finished tweaking git repo https://github.com/ddadaal/kaleidoscope-rust
[INFO] tweaked toml for git repo https://github.com/ddadaal/kaleidoscope-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ddadaal/kaleidoscope-rust 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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#5c4adc17)
[INFO] [stderr]       Adding inkwell_internals v0.2.0 (https://github.com/TheDan64/inkwell?branch=master#5c4adc17)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1bd4281e3785613d2a8579a1e3dad14ccc30b102031237309333dabad4876b0
[INFO] running `Command { std: "docker" "start" "-a" "d1bd4281e3785613d2a8579a1e3dad14ccc30b102031237309333dabad4876b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1bd4281e3785613d2a8579a1e3dad14ccc30b102031237309333dabad4876b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bd4281e3785613d2a8579a1e3dad14ccc30b102031237309333dabad4876b0", kill_on_drop: false }`
[INFO] [stdout] d1bd4281e3785613d2a8579a1e3dad14ccc30b102031237309333dabad4876b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f927e74928f15d0f4a9df6f20e6fa9ebffb440563bc1f9afcae372dbf61cc542
[INFO] running `Command { std: "docker" "start" "-a" "f927e74928f15d0f4a9df6f20e6fa9ebffb440563bc1f9afcae372dbf61cc542", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#5c4adc17)
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling llvm-sys v100.2.0
[INFO] [stderr]    Compiling inkwell_internals v0.2.0 (https://github.com/TheDan64/inkwell?branch=master#5c4adc17)
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir/compiler)
[INFO] [stdout] warning: unused import: `inkwell::values::AnyValueEnum`
[INFO] [stdout]  --> compiler/src/codegen/codegen_context.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use inkwell::values::AnyValueEnum;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `inkwell::values::AnyValueEnum`
[INFO] [stdout]  --> compiler/src/codegen/codegen_context.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use inkwell::values::AnyValueEnum;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> compiler/src/parser/parser.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ParseError(Option<Token>, String);
[INFO] [stdout]    |            ---------- ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `ParseError` 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: method `parse_number_expr` is never used
[INFO] [stdout]    --> compiler/src/parser/parser.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 63  | impl<I: Iterator<Item = Token>> Parser<I> {
[INFO] [stdout]     | ----------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 204 |     fn parse_number_expr(&mut self) -> ParseResult<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> compiler/src/parser/parser.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ParseError(Option<Token>, String);
[INFO] [stdout]    |            ---------- ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `ParseError` 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: method `parse_number_expr` is never used
[INFO] [stdout]    --> compiler/src/parser/parser.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 63  | impl<I: Iterator<Item = Token>> Parser<I> {
[INFO] [stdout]     | ----------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 204 |     fn parse_number_expr(&mut self) -> ParseResult<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking repl v0.1.0 (/opt/rustwide/workdir/repl)
[INFO] [stdout] warning: unused import: `parser::parser::ParseError`
[INFO] [stdout]  --> repl/src/main.rs:2:58
[INFO] [stdout]   |
[INFO] [stdout] 2 | use compiler::{codegen::codegen_context::CodegenContext, parser::parser::ParseError};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser::parser::ParseError`
[INFO] [stdout]  --> repl/src/main.rs:2:58
[INFO] [stdout]   |
[INFO] [stdout] 2 | use compiler::{codegen::codegen_context::CodegenContext, parser::parser::ParseError};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.46s
[INFO] running `Command { std: "docker" "inspect" "f927e74928f15d0f4a9df6f20e6fa9ebffb440563bc1f9afcae372dbf61cc542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f927e74928f15d0f4a9df6f20e6fa9ebffb440563bc1f9afcae372dbf61cc542", kill_on_drop: false }`
[INFO] [stdout] f927e74928f15d0f4a9df6f20e6fa9ebffb440563bc1f9afcae372dbf61cc542