[INFO] cloning repository https://github.com/psy-core/simple-lexer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psy-core/simple-lexer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsy-core%2Fsimple-lexer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsy-core%2Fsimple-lexer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de003e55b1babe308b9e5de384503d4f4a5287fa
[INFO] checking psy-core/simple-lexer against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsy-core%2Fsimple-lexer" "/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/psy-core/simple-lexer
[INFO] finished tweaking git repo https://github.com/psy-core/simple-lexer
[INFO] tweaked toml for git repo https://github.com/psy-core/simple-lexer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psy-core/simple-lexer on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psy-core/simple-lexer 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "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 psy-core/simple-lexer against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsy-core%2Fsimple-lexer" "/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/psy-core/simple-lexer
[INFO] finished tweaking git repo https://github.com/psy-core/simple-lexer
[INFO] tweaked toml for git repo https://github.com/psy-core/simple-lexer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psy-core/simple-lexer on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psy-core/simple-lexer 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb0a96c91a912d51b143f750cfd741844bbd646c2f160d6a2aa9f5462b91dd9f
[INFO] running `Command { std: "docker" "start" "-a" "cb0a96c91a912d51b143f750cfd741844bbd646c2f160d6a2aa9f5462b91dd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb0a96c91a912d51b143f750cfd741844bbd646c2f160d6a2aa9f5462b91dd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0a96c91a912d51b143f750cfd741844bbd646c2f160d6a2aa9f5462b91dd9f", kill_on_drop: false }`
[INFO] [stdout] cb0a96c91a912d51b143f750cfd741844bbd646c2f160d6a2aa9f5462b91dd9f
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f310ac490b52d368ee28a9aca4877ec2ed053333f3e9c9da3e50e127d7236e8a
[INFO] running `Command { std: "docker" "start" "-a" "f310ac490b52d368ee28a9aca4877ec2ed053333f3e9c9da3e50e127d7236e8a", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub enum DFAState {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 6  |     If,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 7  |     IdIf1,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 8  |     IdIf2,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 9  |     Else,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     IdElse1,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     IdElse2,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     IdElse3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     IdElse4,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EQ`, `LE`, `LT`, `If`, `Else`, and `StringLiteral` are never constructed
[INFO] [stdout]   --> src/token.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     EQ, // ==
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     LE, // <=
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     LT, // <
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     If,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 23 |     Else,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     StringLiteral, //字符串字面量
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek`, `unread`, `get_position`, and `set_position` are never used
[INFO] [stdout]    --> src/token.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub trait TokenReader {
[INFO] [stdout]     |           ----------- methods in this trait
[INFO] [stdout] 103 |     fn read(&mut self) -> Option<&Box<dyn Token>>;
[INFO] [stdout] 104 |     fn peek(&self) -> Option<&Box<dyn Token>>;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 105 |     fn unread(&mut self);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 106 |     fn get_position(&self) -> usize;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 107 |     fn set_position(&mut self, position: usize);
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lexer.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn tokenize(&mut self, code: String) -> token::SimpleTokenReader {
[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] 116 |     pub fn tokenize(&mut self, code: String) -> token::SimpleTokenReader<'_> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub enum DFAState {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 6  |     If,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 7  |     IdIf1,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 8  |     IdIf2,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 9  |     Else,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     IdElse1,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     IdElse2,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     IdElse3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     IdElse4,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EQ`, `LE`, `LT`, `If`, `Else`, and `StringLiteral` are never constructed
[INFO] [stdout]   --> src/token.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     EQ, // ==
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     LE, // <=
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     LT, // <
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     If,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 23 |     Else,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     StringLiteral, //字符串字面量
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek`, `unread`, `get_position`, and `set_position` are never used
[INFO] [stdout]    --> src/token.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub trait TokenReader {
[INFO] [stdout]     |           ----------- methods in this trait
[INFO] [stdout] 103 |     fn read(&mut self) -> Option<&Box<dyn Token>>;
[INFO] [stdout] 104 |     fn peek(&self) -> Option<&Box<dyn Token>>;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 105 |     fn unread(&mut self);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 106 |     fn get_position(&self) -> usize;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 107 |     fn set_position(&mut self, position: usize);
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lexer.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn tokenize(&mut self, code: String) -> token::SimpleTokenReader {
[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] 116 |     pub fn tokenize(&mut self, code: String) -> token::SimpleTokenReader<'_> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "f310ac490b52d368ee28a9aca4877ec2ed053333f3e9c9da3e50e127d7236e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f310ac490b52d368ee28a9aca4877ec2ed053333f3e9c9da3e50e127d7236e8a", kill_on_drop: false }`
[INFO] [stdout] f310ac490b52d368ee28a9aca4877ec2ed053333f3e9c9da3e50e127d7236e8a
