[INFO] cloning repository https://github.com/iskyd/lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iskyd/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiskyd%2Flox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiskyd%2Flox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 325b044ed3e789692020dbb926ca10673b3ea2e8
[INFO] testing iskyd/lox against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiskyd%2Flox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iskyd/lox
[INFO] finished tweaking git repo https://github.com/iskyd/lox
[INFO] tweaked toml for git repo https://github.com/iskyd/lox written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iskyd/lox on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iskyd/lox 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c1912365c9a95d828a61b7f4f4a6665c5bbf5668b40c303378ebd32827f8142
[INFO] running `Command { std: "docker" "start" "-a" "0c1912365c9a95d828a61b7f4f4a6665c5bbf5668b40c303378ebd32827f8142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c1912365c9a95d828a61b7f4f4a6665c5bbf5668b40c303378ebd32827f8142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1912365c9a95d828a61b7f4f4a6665c5bbf5668b40c303378ebd32827f8142", kill_on_drop: false }`
[INFO] [stdout] 0c1912365c9a95d828a61b7f4f4a6665c5bbf5668b40c303378ebd32827f8142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6f96bb1dfbec6411df648274700f777dbc0aa0e733562d51da0ea90cca6bf17
[INFO] running `Command { std: "docker" "start" "-a" "f6f96bb1dfbec6411df648274700f777dbc0aa0e733562d51da0ea90cca6bf17", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tokens::Literal`
[INFO] [stdout]  --> src/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tokens::Literal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AstPrinter` is never constructed
[INFO] [stdout]  --> src/ast.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct AstPrinter {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `print` is never used
[INFO] [stdout]  --> src/ast.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl AstPrinter {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn print(e: Expr) -> String {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LexicalError` is never constructed
[INFO] [stdout]  --> src/errors.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LexicalError {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/errors.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl LexicalError {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn new(message: String, line: usize, position: usize) -> LexicalError {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]  --> src/expr.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Expr {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]  --> src/token_scanner.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Scanner<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `scan` are never used
[INFO] [stdout]   --> src/token_scanner.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> Scanner<'a> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(source: &'a [u8]) -> Result<Self, &'static str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn scan(mut self) -> Result<Vec<Token>, LexicalError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Literal` is never used
[INFO] [stdout]  --> src/tokens.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Literal {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]  --> src/tokens.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Literal {
[INFO] [stdout]   | ------------ method in this implementation
[INFO] [stdout] 7 |     pub fn to_str(&self) -> String {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenType` is never used
[INFO] [stdout]   --> src/tokens.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum TokenType {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_type_by_reserved_keyword` is never used
[INFO] [stdout]   --> src/tokens.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl TokenType {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 70 |     pub fn get_type_by_reserved_keyword(k: &str) -> Option<TokenType> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/tokens.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tokens.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl Token {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 103 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alpha` is never used
[INFO] [stdout]  --> src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_alpha(c: char) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alphanumeric` is never used
[INFO] [stdout]  --> src/utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn is_alphanumeric(c: char) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "f6f96bb1dfbec6411df648274700f777dbc0aa0e733562d51da0ea90cca6bf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f96bb1dfbec6411df648274700f777dbc0aa0e733562d51da0ea90cca6bf17", kill_on_drop: false }`
[INFO] [stdout] f6f96bb1dfbec6411df648274700f777dbc0aa0e733562d51da0ea90cca6bf17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f510f2a61cc2567013b537eb1f71fb37e8a635f1afda6bf7bdd05368ccef60bc
[INFO] running `Command { std: "docker" "start" "-a" "f510f2a61cc2567013b537eb1f71fb37e8a635f1afda6bf7bdd05368ccef60bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tokens::Literal`
[INFO] [stdout]  --> src/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tokens::Literal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Comma`, `Dot`, `Plus`, `Semicolon`, and `Eof` are never constructed
[INFO] [stdout]   --> src/tokens.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     Comma,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 27 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 28 |     Minus,
[INFO] [stdout] 29 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     Semicolon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     Eof,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `position_start`, `position_end`, and `literal` are never read
[INFO] [stdout]   --> src/tokens.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Token {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 97 |     pub position_start: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 98 |     pub position_end: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 99 |     pub literal: Option<Literal>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f510f2a61cc2567013b537eb1f71fb37e8a635f1afda6bf7bdd05368ccef60bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f510f2a61cc2567013b537eb1f71fb37e8a635f1afda6bf7bdd05368ccef60bc", kill_on_drop: false }`
[INFO] [stdout] f510f2a61cc2567013b537eb1f71fb37e8a635f1afda6bf7bdd05368ccef60bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36767fbcb3006cf3ed9e20f80870864a197e59bf2eefef73326688eb7614b2bd
[INFO] running `Command { std: "docker" "start" "-a" "36767fbcb3006cf3ed9e20f80870864a197e59bf2eefef73326688eb7614b2bd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::tokens::Literal`
[INFO] [stderr]  --> src/ast.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::tokens::Literal;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Comma`, `Dot`, `Plus`, `Semicolon`, and `Eof` are never constructed
[INFO] [stderr]   --> src/tokens.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub enum TokenType {
[INFO] [stderr]    |          --------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 26 |     Comma,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 27 |     Dot,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 28 |     Minus,
[INFO] [stderr] 29 |     Plus,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 30 |     Semicolon,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     Eof,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TokenType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `line`, `position_start`, `position_end`, and `literal` are never read
[INFO] [stderr]   --> src/tokens.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub struct Token {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 96 |     pub line: usize,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 97 |     pub position_start: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 98 |     pub position_end: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 99 |     pub literal: Option<Literal>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lox` (bin "lox" test) generated 3 warnings (run `cargo fix --bin "lox" -p lox --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lox-f3b2ecb40138b411)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test ast::tests::test_print ... ok
[INFO] [stdout] test token_scanner::tests::test_reserved_keyword ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "36767fbcb3006cf3ed9e20f80870864a197e59bf2eefef73326688eb7614b2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36767fbcb3006cf3ed9e20f80870864a197e59bf2eefef73326688eb7614b2bd", kill_on_drop: false }`
[INFO] [stdout] 36767fbcb3006cf3ed9e20f80870864a197e59bf2eefef73326688eb7614b2bd