[INFO] cloning repository https://github.com/Zobozodiac/llvm-kaleidoscope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zobozodiac/llvm-kaleidoscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZobozodiac%2Fllvm-kaleidoscope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZobozodiac%2Fllvm-kaleidoscope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bb018578175349ef2ba76e9bc8ba5b5389b70a2
[INFO] checking Zobozodiac/llvm-kaleidoscope against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZobozodiac%2Fllvm-kaleidoscope" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zobozodiac/llvm-kaleidoscope on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zobozodiac/llvm-kaleidoscope
[INFO] finished tweaking git repo https://github.com/Zobozodiac/llvm-kaleidoscope
[INFO] tweaked toml for git repo https://github.com/Zobozodiac/llvm-kaleidoscope written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Zobozodiac/llvm-kaleidoscope 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ddb74d3f0d1a60e2d774b29ac7537ce0c98c6556cdbd34ee4ea538d47108ae3
[INFO] running `Command { std: "docker" "start" "-a" "3ddb74d3f0d1a60e2d774b29ac7537ce0c98c6556cdbd34ee4ea538d47108ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ddb74d3f0d1a60e2d774b29ac7537ce0c98c6556cdbd34ee4ea538d47108ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ddb74d3f0d1a60e2d774b29ac7537ce0c98c6556cdbd34ee4ea538d47108ae3", kill_on_drop: false }`
[INFO] [stdout] 3ddb74d3f0d1a60e2d774b29ac7537ce0c98c6556cdbd34ee4ea538d47108ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fdec74f35422e9ee18797e6ac037a6c45aa4a29af6ebaeb9fcd0b81baea8f89
[INFO] running `Command { std: "docker" "start" "-a" "2fdec74f35422e9ee18797e6ac037a6c45aa4a29af6ebaeb9fcd0b81baea8f89", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking llvm-kaleidoscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/ast/expressions/mod.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lexer::{Token, TokenIter};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/ast/expressions/binary.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/ast/expressions/mod.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::lexer::{Token, TokenIter};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/ast/expressions/binary.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ast/expressions/binary.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut tokens = TokenIter::new("+b");
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "2fdec74f35422e9ee18797e6ac037a6c45aa4a29af6ebaeb9fcd0b81baea8f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fdec74f35422e9ee18797e6ac037a6c45aa4a29af6ebaeb9fcd0b81baea8f89", kill_on_drop: false }`
[INFO] [stdout] 2fdec74f35422e9ee18797e6ac037a6c45aa4a29af6ebaeb9fcd0b81baea8f89