[INFO] cloning repository https://github.com/0xsvenka/lynx-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xsvenka/lynx-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xsvenka%2Flynx-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xsvenka%2Flynx-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7402f97c9d6512a8d297ef81df58434e96061f22
[INFO] checking 0xsvenka/lynx-lang against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xsvenka%2Flynx-lang" "/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/0xsvenka/lynx-lang
[INFO] finished tweaking git repo https://github.com/0xsvenka/lynx-lang
[INFO] tweaked toml for git repo https://github.com/0xsvenka/lynx-lang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xsvenka/lynx-lang on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xsvenka/lynx-lang 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c693eaad714045df4203865fa7ec015f0cf52ecce89c559956fa71cb337f9d0c
[INFO] running `Command { std: "docker" "start" "-a" "c693eaad714045df4203865fa7ec015f0cf52ecce89c559956fa71cb337f9d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c693eaad714045df4203865fa7ec015f0cf52ecce89c559956fa71cb337f9d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c693eaad714045df4203865fa7ec015f0cf52ecce89c559956fa71cb337f9d0c", kill_on_drop: false }`
[INFO] [stdout] c693eaad714045df4203865fa7ec015f0cf52ecce89c559956fa71cb337f9d0c
[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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7e906db22bc34e1bcfee2743826552ebf985bfd5e410762263b516ccf1a8c13
[INFO] running `Command { std: "docker" "start" "-a" "d7e906db22bc34e1bcfee2743826552ebf985bfd5e410762263b516ccf1a8c13", kill_on_drop: false }`
[INFO] [stderr]     Checking lynx-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ast.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]  --> src/ast.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Expr {
[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 `AtomType` is never used
[INFO] [stdout]   --> src/ast.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum AtomType {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_atom` is never used
[INFO] [stdout]  --> src/parser.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Parser {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 4 |     pub fn parse_atom(&mut self) {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]  --> src/token_stream.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TokenStream {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 7 |     pub buffer: Vec<Token>,
[INFO] [stdout] 8 |     pub pos: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek`, `next`, and `expect` are never used
[INFO] [stdout]   --> src/token_stream.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TokenStream {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn peek(&self, n: usize) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn next(&mut self) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn expect<F>(&mut self, pred: F, err: Error) -> Result<&Token, Error>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ast.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]  --> src/ast.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Expr {
[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 `AtomType` is never used
[INFO] [stdout]   --> src/ast.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum AtomType {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_atom` is never used
[INFO] [stdout]  --> src/parser.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Parser {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 4 |     pub fn parse_atom(&mut self) {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]  --> src/token_stream.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TokenStream {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 7 |     pub buffer: Vec<Token>,
[INFO] [stdout] 8 |     pub pos: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek`, `next`, and `expect` are never used
[INFO] [stdout]   --> src/token_stream.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TokenStream {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn peek(&self, n: usize) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn next(&mut self) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn expect<F>(&mut self, pred: F, err: Error) -> Result<&Token, Error>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "d7e906db22bc34e1bcfee2743826552ebf985bfd5e410762263b516ccf1a8c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e906db22bc34e1bcfee2743826552ebf985bfd5e410762263b516ccf1a8c13", kill_on_drop: false }`
[INFO] [stdout] d7e906db22bc34e1bcfee2743826552ebf985bfd5e410762263b516ccf1a8c13
