[INFO] cloning repository https://github.com/Jip-Hoogendam/simple_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jip-Hoogendam/simple_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJip-Hoogendam%2Fsimple_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJip-Hoogendam%2Fsimple_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dba599b82f4faf4a14424341e5f4275351850a6c
[INFO] checking Jip-Hoogendam/simple_compiler against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJip-Hoogendam%2Fsimple_compiler" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jip-Hoogendam/simple_compiler
[INFO] finished tweaking git repo https://github.com/Jip-Hoogendam/simple_compiler
[INFO] tweaked toml for git repo https://github.com/Jip-Hoogendam/simple_compiler written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jip-Hoogendam/simple_compiler on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jip-Hoogendam/simple_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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f58b11eac7a62941d98070be8efab5e9d432c2d77bdc7ed57bb006298f853b93
[INFO] running `Command { std: "docker" "start" "-a" "f58b11eac7a62941d98070be8efab5e9d432c2d77bdc7ed57bb006298f853b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f58b11eac7a62941d98070be8efab5e9d432c2d77bdc7ed57bb006298f853b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58b11eac7a62941d98070be8efab5e9d432c2d77bdc7ed57bb006298f853b93", kill_on_drop: false }`
[INFO] [stdout] f58b11eac7a62941d98070be8efab5e9d432c2d77bdc7ed57bb006298f853b93
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917682386cb6ed64ad5286058cccb54447ebd6f0c1ced579d6e4c9be71162c44
[INFO] running `Command { std: "docker" "start" "-a" "917682386cb6ed64ad5286058cccb54447ebd6f0c1ced579d6e4c9be71162c44", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking UwU v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokenizer::Token`
[INFO] [stdout]  --> src/generation.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{parcer::node::{self, stmts}, tokenizer::Token, util::comp};
[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: `ops::Add`
[INFO] [stdout]  --> src/generation.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, ops::Add, process, str::FromStr};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `bin_expr` should have an upper camel case name
[INFO] [stdout]  --> src/generation.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct bin_expr{
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to upper camel case: `BinExpr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokenizer::Token`
[INFO] [stdout]  --> src/generation.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{parcer::node::{self, stmts}, tokenizer::Token, util::comp};
[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: `ops::Add`
[INFO] [stdout]  --> src/generation.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, ops::Add, process, str::FromStr};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `bin_expr` should have an upper camel case name
[INFO] [stdout]  --> src/generation.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct bin_expr{
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to upper camel case: `BinExpr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_ahead` is never used
[INFO] [stdout]    --> src/tokenizer.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl Tokenizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn peek_ahead(&self, ahead: usize) -> Option<u8>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arena` is never constructed
[INFO] [stdout]   --> src/parcer.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Arena{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parcer.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Arena {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn new(size: usize) -> Arena{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_vars` is never read
[INFO] [stdout]   --> src/generation.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Generator{
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     data_vars : Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_ahead` is never used
[INFO] [stdout]    --> src/generation.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Generator {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn peek_ahead(&self, ahead: usize) -> Option<&node::stmts>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/generation.rs:58:34
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let rsp_offset = String::from_str(format!("QWORD [rsp + {stack_pos}]").as_str()).unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_ahead` is never used
[INFO] [stdout]    --> src/tokenizer.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl Tokenizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn peek_ahead(&self, ahead: usize) -> Option<u8>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arena` is never constructed
[INFO] [stdout]   --> src/parcer.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Arena{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parcer.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Arena {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn new(size: usize) -> Arena{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_vars` is never read
[INFO] [stdout]   --> src/generation.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Generator{
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     data_vars : Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_ahead` is never used
[INFO] [stdout]    --> src/generation.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Generator {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn peek_ahead(&self, ahead: usize) -> Option<&node::stmts>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `UwU` (bin "UwU") due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/generation.rs:58:34
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let rsp_offset = String::from_str(format!("QWORD [rsp + {stack_pos}]").as_str()).unwrap();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `UwU` (bin "UwU" test) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "917682386cb6ed64ad5286058cccb54447ebd6f0c1ced579d6e4c9be71162c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917682386cb6ed64ad5286058cccb54447ebd6f0c1ced579d6e4c9be71162c44", kill_on_drop: false }`
[INFO] [stdout] 917682386cb6ed64ad5286058cccb54447ebd6f0c1ced579d6e4c9be71162c44