[INFO] cloning repository https://github.com/JohnGilbert57/Grumpy-Language-Compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnGilbert57/Grumpy-Language-Compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnGilbert57%2FGrumpy-Language-Compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnGilbert57%2FGrumpy-Language-Compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f5edfcb4e148e8edc8fcfc08f3e1a2c6dc9a215
[INFO] checking JohnGilbert57/Grumpy-Language-Compiler against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnGilbert57%2FGrumpy-Language-Compiler" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JohnGilbert57/Grumpy-Language-Compiler
[INFO] finished tweaking git repo https://github.com/JohnGilbert57/Grumpy-Language-Compiler
[INFO] tweaked toml for git repo https://github.com/JohnGilbert57/Grumpy-Language-Compiler written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JohnGilbert57/Grumpy-Language-Compiler on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JohnGilbert57/Grumpy-Language-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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7db7e0812bd0df8d1cf77193d6011be8efcd9ba6fd942ef8a5dc416adf06ca73
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[INFO] running `Command { std: "docker" "inspect" "7db7e0812bd0df8d1cf77193d6011be8efcd9ba6fd942ef8a5dc416adf06ca73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7db7e0812bd0df8d1cf77193d6011be8efcd9ba6fd942ef8a5dc416adf06ca73" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7db7e0812bd0df8d1cf77193d6011be8efcd9ba6fd942ef8a5dc416adf06ca73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7db7e0812bd0df8d1cf77193d6011be8efcd9ba6fd942ef8a5dc416adf06ca73" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking sexp v1.1.4
[INFO] [stderr]     Checking grumpy v0.1.0 (/opt/rustwide/workdir/grumpy)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> grumpy/src/ir.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::isa::{self, Binop, Binop::*, Unop, Unop::*};
[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: `Binop`
[INFO] [stdout]   --> grumpy/src/compile.rs:12:59
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::isa::{Instr, Label, PInstr, PInstr::*, Val::*, Binop, Unop};
[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: `self`
[INFO] [stdout]   --> grumpy/src/ir.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::isa::{self, Binop, Binop::*, Unop, Unop::*};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> grumpy/src/vm.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut result;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> grumpy/src/vm.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 | /         match result {
[INFO] [stdout] 237 | |             Vsize(v) => State::push(self, Vi32(v as i32)),
[INFO] [stdout] 238 | |             _        => {return Err(VMError("Error: Exec() - Size failed not a Vsize".to_string()));}
[INFO] [stdout] 239 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let _ = match result {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir/compiler)
[INFO] [stdout] warning: unused import: `grumpy::isa::*`
[INFO] [stdout]  --> compiler/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use grumpy::isa::*;
[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: `grumpy::isa::*`
[INFO] [stdout]  --> compiler/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use grumpy::isa::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> grumpy/src/vm.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut result;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> grumpy/src/vm.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 | /         match result {
[INFO] [stdout] 237 | |             Vsize(v) => State::push(self, Vi32(v as i32)),
[INFO] [stdout] 238 | |             _        => {return Err(VMError("Error: Exec() - Size failed not a Vsize".to_string()));}
[INFO] [stdout] 239 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let _ = match result {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "7db7e0812bd0df8d1cf77193d6011be8efcd9ba6fd942ef8a5dc416adf06ca73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db7e0812bd0df8d1cf77193d6011be8efcd9ba6fd942ef8a5dc416adf06ca73", kill_on_drop: false }`
[INFO] [stdout] 7db7e0812bd0df8d1cf77193d6011be8efcd9ba6fd942ef8a5dc416adf06ca73
