[INFO] cloning repository https://github.com/nimaipatel/rlox-bytecode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nimaipatel/rlox-bytecode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimaipatel%2Frlox-bytecode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimaipatel%2Frlox-bytecode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc3febd8a293f91b64d038771c367755b3bf2b0e
[INFO] checking nimaipatel/rlox-bytecode against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimaipatel%2Frlox-bytecode" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nimaipatel/rlox-bytecode on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nimaipatel/rlox-bytecode
[INFO] finished tweaking git repo https://github.com/nimaipatel/rlox-bytecode
[INFO] tweaked toml for git repo https://github.com/nimaipatel/rlox-bytecode written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nimaipatel/rlox-bytecode 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking nimaipatel/rlox-bytecode against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnimaipatel%2Frlox-bytecode" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nimaipatel/rlox-bytecode on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nimaipatel/rlox-bytecode
[INFO] finished tweaking git repo https://github.com/nimaipatel/rlox-bytecode
[INFO] tweaked toml for git repo https://github.com/nimaipatel/rlox-bytecode written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nimaipatel/rlox-bytecode 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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44c7205f4d2b9d211413b7e0c5c9e198a382042425c59fbd60346f8a0e033be6
[INFO] running `Command { std: "docker" "start" "-a" "44c7205f4d2b9d211413b7e0c5c9e198a382042425c59fbd60346f8a0e033be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44c7205f4d2b9d211413b7e0c5c9e198a382042425c59fbd60346f8a0e033be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c7205f4d2b9d211413b7e0c5c9e198a382042425c59fbd60346f8a0e033be6", kill_on_drop: false }`
[INFO] [stdout] 44c7205f4d2b9d211413b7e0c5c9e198a382042425c59fbd60346f8a0e033be6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de186e18bc995884e3af3e97db33a6309a8776f14bb1da9e3dde9e55bc8c098e
[INFO] running `Command { std: "docker" "start" "-a" "de186e18bc995884e3af3e97db33a6309a8776f14bb1da9e3dde9e55bc8c098e", kill_on_drop: false }`
[INFO] [stderr]     Checking rlox-bytecode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/parser/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/parser/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     loop {
[INFO] [stdout] 56 | |         print!("> ");
[INFO] [stdout] 57 | |         io::stdout().flush()?;
[INFO] [stdout] 58 | |         let mut line = String::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |         }
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 73 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `disassemble` is never used
[INFO] [stdout]   --> src/chunk/mod.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn disassemble(&self, name: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lazy_scanner/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<'a> Scanner<'a> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn new(bytes: &'a ByteSlice) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/parser/mod.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn parse<'a>(tokens: &'a [Token<'a>]) -> (Vec<Stmt<'a>>, Vec<ParseError>) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `synchronize` is never used
[INFO] [stdout]   --> src/parser/mod.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn synchronize(tokens: &[Token<'_>], pos: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_declaration` is never used
[INFO] [stdout]    --> src/parser/mod.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn parse_declaration<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_function` is never used
[INFO] [stdout]    --> src/parser/mod.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn parse_function<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_var_declaration` is never used
[INFO] [stdout]    --> src/parser/mod.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn parse_var_declaration<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_statement` is never used
[INFO] [stdout]    --> src/parser/mod.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn parse_statement<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_return_statement` is never used
[INFO] [stdout]    --> src/parser/mod.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn parse_return_statement<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_for_statement` is never used
[INFO] [stdout]    --> src/parser/mod.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn parse_for_statement<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_while_statement` is never used
[INFO] [stdout]    --> src/parser/mod.rs:289:4
[INFO] [stdout]     |
[INFO] [stdout] 289 | fn parse_while_statement<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_if_statment` is never used
[INFO] [stdout]    --> src/parser/mod.rs:306:4
[INFO] [stdout]     |
[INFO] [stdout] 306 | fn parse_if_statment<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_block` is never used
[INFO] [stdout]    --> src/parser/mod.rs:337:4
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn parse_block<'a>(tokens: &'a [Token<'a>], pos: usize) -> Result<(Stmt<'a>, usize), ParseError> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_expression_statement` is never used
[INFO] [stdout]    --> src/parser/mod.rs:356:4
[INFO] [stdout]     |
[INFO] [stdout] 356 | fn parse_expression_statement<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_print_statement` is never used
[INFO] [stdout]    --> src/parser/mod.rs:365:4
[INFO] [stdout]     |
[INFO] [stdout] 365 | fn parse_print_statement<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnterminatedString` is never constructed
[INFO] [stdout]  --> src/scanner/scan_error.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum ScanError {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] 8 |     UnexpectedChar(Byte, usize),
[INFO] [stdout] 9 |     UnterminatedString(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ScanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/stmt.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Stmt<'a> {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 5  |     Print(Expr<'a>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 6  |     Return {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Expression(Expr<'a>),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     Var(&'a Token<'a>, Option<Expr<'a>>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     Block(Vec<Stmt<'a>>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     If {
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     While {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Function {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser/tests.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let expected = Expr::NumericLiteral(123.);
[INFO] [stdout]    |                        -------------------- ^^^^ expected `&[u8]`, found floating-point number
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> src/expr.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |     NumericLiteral(&'a ByteSlice),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     loop {
[INFO] [stdout] 56 | |         print!("> ");
[INFO] [stdout] 57 | |         io::stdout().flush()?;
[INFO] [stdout] 58 | |         let mut line = String::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |         }
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 73 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlox-bytecode` (bin "rlox-bytecode" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "de186e18bc995884e3af3e97db33a6309a8776f14bb1da9e3dde9e55bc8c098e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de186e18bc995884e3af3e97db33a6309a8776f14bb1da9e3dde9e55bc8c098e", kill_on_drop: false }`
[INFO] [stdout] de186e18bc995884e3af3e97db33a6309a8776f14bb1da9e3dde9e55bc8c098e