[INFO] cloning repository https://github.com/dinutting/C-Compiler-In-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinutting/C-Compiler-In-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinutting%2FC-Compiler-In-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinutting%2FC-Compiler-In-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac60fb623e71deb759762c0296ca17426d42f515
[INFO] checking dinutting/C-Compiler-In-Rust against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinutting%2FC-Compiler-In-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dinutting/C-Compiler-In-Rust
[INFO] finished tweaking git repo https://github.com/dinutting/C-Compiler-In-Rust
[INFO] tweaked toml for git repo https://github.com/dinutting/C-Compiler-In-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dinutting/C-Compiler-In-Rust on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dinutting/C-Compiler-In-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" "+65b20a97de33e9e59992793a144aef2950c48c76" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking dinutting/C-Compiler-In-Rust against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinutting%2FC-Compiler-In-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dinutting/C-Compiler-In-Rust
[INFO] finished tweaking git repo https://github.com/dinutting/C-Compiler-In-Rust
[INFO] tweaked toml for git repo https://github.com/dinutting/C-Compiler-In-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dinutting/C-Compiler-In-Rust on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dinutting/C-Compiler-In-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" "+65b20a97de33e9e59992793a144aef2950c48c76" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4f93c3506621f3b68dd4be3263cb81782a4ec76ee5a11fce364d493f8749e149
[INFO] running `Command { std: "docker" "start" "4f93c3506621f3b68dd4be3263cb81782a4ec76ee5a11fce364d493f8749e149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f93c3506621f3b68dd4be3263cb81782a4ec76ee5a11fce364d493f8749e149", 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" "4f93c3506621f3b68dd4be3263cb81782a4ec76ee5a11fce364d493f8749e149" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f93c3506621f3b68dd4be3263cb81782a4ec76ee5a11fce364d493f8749e149", 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" "4f93c3506621f3b68dd4be3263cb81782a4ec76ee5a11fce364d493f8749e149" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/_parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let t: TokenTypes = TokenTypes::Whitespace;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/_parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let t: TokenTypes = TokenTypes::Whitespace;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/output.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let b = 2;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/output.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let b = 2;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/output.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let c = 3;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/output.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let c = 3;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `regex` and `priority` are never read
[INFO] [stdout]   --> src/lexer.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct TMaker<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 95 |     pub token_type: TokenTypes,
[INFO] [stdout] 96 |     pub regex: &'a str,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 97 |     pub re: Regex,  // Can't pre-compile these into constants
[INFO] [stdout] 98 |     pub priority: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `regex` and `priority` are never read
[INFO] [stdout]   --> src/lexer.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct TMaker<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 95 |     pub token_type: TokenTypes,
[INFO] [stdout] 96 |     pub regex: &'a str,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 97 |     pub re: Regex,  // Can't pre-compile these into constants
[INFO] [stdout] 98 |     pub priority: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ASTNode` is never used
[INFO] [stdout]   --> src/_parser.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 | trait ASTNode {}
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ASTNode` is never used
[INFO] [stdout]   --> src/_parser.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 | trait ASTNode {}
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProgramNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct ProgramNode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProgramNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct ProgramNode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct FunctionNode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunctionNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct FunctionNode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StatementNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct StatementNode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct ExpNode<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StatementNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct StatementNode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IdentifierNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct IdentifierNode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct ExpNode<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct IntNode<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IdentifierNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct IdentifierNode<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntNode` is never constructed
[INFO] [stdout]   --> src/_parser.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct IntNode<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:108:69
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn new(token_type: TokenTypes,regex: &'a str, priority: u16) -> TMaker {
[INFO] [stdout]     |                                           --                        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn new(token_type: TokenTypes,regex: &'a str, priority: u16) -> TMaker<'a> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:108:69
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn new(token_type: TokenTypes,regex: &'a str, priority: u16) -> TMaker {
[INFO] [stdout]     |                                           --                        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn new(token_type: TokenTypes,regex: &'a str, priority: u16) -> TMaker<'a> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:123:51
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn peek(&'b self, hay: &'b str) -> Option<regex::Match> {
[INFO] [stdout]     |                  --             --                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |              |
[INFO] [stdout]     |                  |              the lifetime is named here
[INFO] [stdout]     |                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn peek(&'b self, hay: &'b str) -> Option<regex::Match<'b>> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:123:51
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn peek(&'b self, hay: &'b str) -> Option<regex::Match> {
[INFO] [stdout]     |                  --             --                ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |              |
[INFO] [stdout]     |                  |              the lifetime is named here
[INFO] [stdout]     |                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn peek(&'b self, hay: &'b str) -> Option<regex::Match<'b>> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "4f93c3506621f3b68dd4be3263cb81782a4ec76ee5a11fce364d493f8749e149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f93c3506621f3b68dd4be3263cb81782a4ec76ee5a11fce364d493f8749e149", kill_on_drop: false }`
[INFO] [stdout] 4f93c3506621f3b68dd4be3263cb81782a4ec76ee5a11fce364d493f8749e149
