[INFO] cloning repository https://github.com/AshwinSundar/teenytiny
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AshwinSundar/teenytiny" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshwinSundar%2Fteenytiny", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshwinSundar%2Fteenytiny'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 646b333a758968c6038bac6c8e19aa65845f811a
[INFO] checking AshwinSundar/teenytiny against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshwinSundar%2Fteenytiny" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AshwinSundar/teenytiny
[INFO] finished tweaking git repo https://github.com/AshwinSundar/teenytiny
[INFO] tweaked toml for git repo https://github.com/AshwinSundar/teenytiny written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AshwinSundar/teenytiny on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AshwinSundar/teenytiny 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81c850c9b717b825959fe73409b275196ac5e85cac6ed798ce6ae5c0c6eab0f4
[INFO] running `Command { std: "docker" "start" "-a" "81c850c9b717b825959fe73409b275196ac5e85cac6ed798ce6ae5c0c6eab0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81c850c9b717b825959fe73409b275196ac5e85cac6ed798ce6ae5c0c6eab0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c850c9b717b825959fe73409b275196ac5e85cac6ed798ce6ae5c0c6eab0f4", kill_on_drop: false }`
[INFO] [stdout] 81c850c9b717b825959fe73409b275196ac5e85cac6ed798ce6ae5c0c6eab0f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e30096714658919c13c35cc9f17c57307ab190d9378a434c757ae55c81a2c37
[INFO] running `Command { std: "docker" "start" "-a" "5e30096714658919c13c35cc9f17c57307ab190d9378a434c757ae55c81a2c37", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `val` are never read
[INFO] [stdout]    --> src/lex.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub struct TokenKind {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 211 |   // pub text: String,
[INFO] [stdout] 212 |   pub name: &'static str,
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 213 |   pub val: i16,
[INFO] [stdout]     |       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_peek` is never used
[INFO] [stdout]   --> src/parse.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Parser<'_> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |   pub fn check_peek(&self, kind: TokenType) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parse.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn new(lx: Lexer, em: &mut Emitter) -> Parser {
[INFO] [stdout]    |                             ^^^^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn new(lx: Lexer, em: &mut Emitter) -> Parser<'_> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `val` are never read
[INFO] [stdout]    --> src/lex.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub struct TokenKind {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 211 |   // pub text: String,
[INFO] [stdout] 212 |   pub name: &'static str,
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 213 |   pub val: i16,
[INFO] [stdout]     |       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_peek` is never used
[INFO] [stdout]   --> src/parse.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Parser<'_> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |   pub fn check_peek(&self, kind: TokenType) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parse.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn new(lx: Lexer, em: &mut Emitter) -> Parser {
[INFO] [stdout]    |                             ^^^^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn new(lx: Lexer, em: &mut Emitter) -> Parser<'_> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "5e30096714658919c13c35cc9f17c57307ab190d9378a434c757ae55c81a2c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e30096714658919c13c35cc9f17c57307ab190d9378a434c757ae55c81a2c37", kill_on_drop: false }`
[INFO] [stdout] 5e30096714658919c13c35cc9f17c57307ab190d9378a434c757ae55c81a2c37
