[INFO] cloning repository https://github.com/thendo-rambane/C-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thendo-rambane/C-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthendo-rambane%2FC-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthendo-rambane%2FC-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 656ef85017f79a9e919274d6194df058e0cb9235
[INFO] checking thendo-rambane/C-Rust against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthendo-rambane%2FC-Rust" "/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/thendo-rambane/C-Rust
[INFO] finished tweaking git repo https://github.com/thendo-rambane/C-Rust
[INFO] tweaked toml for git repo https://github.com/thendo-rambane/C-Rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thendo-rambane/C-Rust on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thendo-rambane/C-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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 420b33d678b6ee40b6d6994a0c0847852a51705152cc61af3501ed6d027c1b04
[INFO] running `Command { std: "docker" "start" "-a" "420b33d678b6ee40b6d6994a0c0847852a51705152cc61af3501ed6d027c1b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "420b33d678b6ee40b6d6994a0c0847852a51705152cc61af3501ed6d027c1b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420b33d678b6ee40b6d6994a0c0847852a51705152cc61af3501ed6d027c1b04", kill_on_drop: false }`
[INFO] [stdout] 420b33d678b6ee40b6d6994a0c0847852a51705152cc61af3501ed6d027c1b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b634213578e5ead18176b0cb97068a2251f8606967c3627670950cf231635c38
[INFO] running `Command { std: "docker" "start" "-a" "b634213578e5ead18176b0cb97068a2251f8606967c3627670950cf231635c38", kill_on_drop: false }`
[INFO] [stderr]     Checking c-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/lexer/tokenizer.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let token = match token_buffer.as_str() {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LiteralType` is never used
[INFO] [stdout]  --> src/lexer/tokenizer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum LiteralType {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IdentifierType` is never used
[INFO] [stdout]   --> src/lexer/tokenizer.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum IdentifierType {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Identifier` is never constructed
[INFO] [stdout]   --> src/lexer/tokenizer.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Identifier {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]   --> src/lexer/tokenizer.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tokenizer` is never constructed
[INFO] [stdout]   --> src/lexer/tokenizer.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Tokenizer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `tokenize_int_literal`, `parse_alpha_num`, `is_reserved`, and `from_string` are never used
[INFO] [stdout]   --> src/lexer/tokenizer.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Tokenizer {
[INFO] [stdout]    | -------------- associated functions in this implementation
[INFO] [stdout] 33 |     pub fn tokenize_int_literal(iter: &mut iter::Peekable<str::Chars>) -> Token {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn parse_alpha_num(iter: &mut iter::Peekable<str::Chars>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn is_reserved(string: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn from_string(string: String) -> Tokenizer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/lexer/tokenizer.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let token = match token_buffer.as_str() {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "b634213578e5ead18176b0cb97068a2251f8606967c3627670950cf231635c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b634213578e5ead18176b0cb97068a2251f8606967c3627670950cf231635c38", kill_on_drop: false }`
[INFO] [stdout] b634213578e5ead18176b0cb97068a2251f8606967c3627670950cf231635c38