[INFO] cloning repository https://github.com/sevensxyt/gail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sevensxyt/gail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsevensxyt%2Fgail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsevensxyt%2Fgail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f91e73e276d40476d15f145798363e4405db689
[INFO] checking sevensxyt/gail against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsevensxyt%2Fgail" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sevensxyt/gail
[INFO] finished tweaking git repo https://github.com/sevensxyt/gail
[INFO] tweaked toml for git repo https://github.com/sevensxyt/gail written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sevensxyt/gail on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sevensxyt/gail 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d13a5c066a1c5cc4b1d96824b23a2927996e246c082cc7e33f59b162fde4cd5
[INFO] running `Command { std: "docker" "start" "-a" "7d13a5c066a1c5cc4b1d96824b23a2927996e246c082cc7e33f59b162fde4cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d13a5c066a1c5cc4b1d96824b23a2927996e246c082cc7e33f59b162fde4cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d13a5c066a1c5cc4b1d96824b23a2927996e246c082cc7e33f59b162fde4cd5", kill_on_drop: false }`
[INFO] [stdout] 7d13a5c066a1c5cc4b1d96824b23a2927996e246c082cc7e33f59b162fde4cd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 448e3cceb3ec48437b59a01c605b3a2a5d4024f07b6cb1489a65a2165669bc25
[INFO] running `Command { std: "docker" "start" "-a" "448e3cceb3ec48437b59a01c605b3a2a5d4024f07b6cb1489a65a2165669bc25", kill_on_drop: false }`
[INFO] [stderr]     Checking gail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/ast/mod.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Node {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Statement` is never used
[INFO] [stdout]   --> src/ast/mod.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Statement {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast/mod.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Expression {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Program {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LexerError` is never used
[INFO] [stdout]  --> src/lexer/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum LexerError {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParserError` is never used
[INFO] [stdout]  --> src/parser/mod.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum ParserError {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/parser/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Parser<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/parser/mod.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl<'a> Parser<'a> {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout]  37 |     pub fn new(lexer: &'a mut Lexer<'a>) -> Parser<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     fn next_token(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     fn parse_program(&mut self) -> Result<Program, ParserError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  65 |     fn parse_statement(&mut self) -> Result<Statement, ParserError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn parse_let_statement(&mut self) -> Result<Statement, ParserError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn curr_token_is(&self, token_type: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn peek_token_is(&self, token_type: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn expect_peek(&mut self, token_type: TokenType) -> Result<(), ParserError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parser/test.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Statement::Let { token, name, .. } => {
[INFO] [stdout]    |             ---------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 70 |             _ => {
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/parser/test.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     Expression::Identifier { token, value } => {
[INFO] [stdout]    |                     --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 63 |                     _ => {
[INFO] [stdout]    |                     ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/ast/mod.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Node {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Let {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 14 |         value: Expression,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidNumber` is never constructed
[INFO] [stdout]  --> src/lexer/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum LexerError {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] 7 |     InvalidNumber(String, ParseIntError),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LexerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LexerError` is never constructed
[INFO] [stdout]   --> src/parser/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum ParserError {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout]  9 |     UnexpectedToken(Token),
[INFO] [stdout] 10 |     LexerError(LexerError),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]   --> src/parser/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Parser<'a> {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 29 |     lexer: &'a mut Lexer<'a>,
[INFO] [stdout] 30 |     errors: Vec<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "448e3cceb3ec48437b59a01c605b3a2a5d4024f07b6cb1489a65a2165669bc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448e3cceb3ec48437b59a01c605b3a2a5d4024f07b6cb1489a65a2165669bc25", kill_on_drop: false }`
[INFO] [stdout] 448e3cceb3ec48437b59a01c605b3a2a5d4024f07b6cb1489a65a2165669bc25