[INFO] cloning repository https://github.com/73nko/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/73nko/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F73nko%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F73nko%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72ac7c47bf66c0b3a89f9a13321a825f681ffaa9
[INFO] checking 73nko/rlox against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F73nko%2Frlox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/73nko/rlox
[INFO] finished tweaking git repo https://github.com/73nko/rlox
[INFO] tweaked toml for git repo https://github.com/73nko/rlox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/73nko/rlox on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/73nko/rlox 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-4-tc1/source/Cargo.toml: unused manifest key: workspace.reesolver
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9938443bd56270bafba8600e881a55272a770e8551634237d3a081a7e326a69d
[INFO] running `Command { std: "docker" "start" "-a" "9938443bd56270bafba8600e881a55272a770e8551634237d3a081a7e326a69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9938443bd56270bafba8600e881a55272a770e8551634237d3a081a7e326a69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9938443bd56270bafba8600e881a55272a770e8551634237d3a081a7e326a69d", kill_on_drop: false }`
[INFO] [stdout] 9938443bd56270bafba8600e881a55272a770e8551634237d3a081a7e326a69d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0a80170ccedaef0819cae9e03659221625be16dd553fbc72eb5a6dfc082f010
[INFO] running `Command { std: "docker" "start" "-a" "f0a80170ccedaef0819cae9e03659221625be16dd553fbc72eb5a6dfc082f010", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: workspace.reesolver
[INFO] [stderr]     Checking generate_ast v0.1.0 (/opt/rustwide/workdir/generate-ast)
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `expr`
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod expr;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `expr`, create file "src/expr.rs" or "src/expr/mod.rs"
[INFO] [stdout]   = note: if there is a `mod expr` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scanner.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut keywords = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/scanner.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Ok(token) => {}
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `Nil` is named the same as one of the variants of the type `token::Object`
[INFO] [stdout]   --> src/token.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             Nil => write!(f, "nil"),
[INFO] [stdout]    |             ^^^ help: to match on the variant, qualify the path: `token::Object::Nil`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `True` is named the same as one of the variants of the type `token::Object`
[INFO] [stdout]   --> src/token.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout]    |             ^^^^ help: to match on the variant, qualify the path: `token::Object::True`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `False` is named the same as one of the variants of the type `token::Object`
[INFO] [stdout]   --> src/token.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             False => write!(f, "false"),
[INFO] [stdout]    |             ^^^^^ help: to match on the variant, qualify the path: `token::Object::False`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout]    |             ^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Object::Num(x) => write!(f, "{x}"),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 18 |             Object::Str(x) => write!(f, "\"{x}\""),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 19 |             Nil => write!(f, "nil"),
[INFO] [stdout]    |             --- matches some of the same values
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout]    |             ^^^^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             False => write!(f, "false"),
[INFO] [stdout]    |             ^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Object::Num(x) => write!(f, "{x}"),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 18 |             Object::Str(x) => write!(f, "\"{x}\""),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 19 |             Nil => write!(f, "nil"),
[INFO] [stdout]    |             --- matches some of the same values
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout] 21 |             False => write!(f, "false"),
[INFO] [stdout]    |             ^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Nil`
[INFO] [stdout]   --> src/token.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             Nil => write!(f, "nil"),
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `Nil`
[INFO] [stdout]    |
[INFO] [stdout] 19 |             token::Object::Nil => write!(f, "nil"),
[INFO] [stdout]    |             +++++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 19 |             _Nil => write!(f, "nil"),
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `True`
[INFO] [stdout]   --> src/token.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `True`
[INFO] [stdout]    |
[INFO] [stdout] 20 |             token::Object::True => write!(f, "true"),
[INFO] [stdout]    |             +++++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 20 |             _True => write!(f, "true"),
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `False`
[INFO] [stdout]   --> src/token.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             False => write!(f, "false"),
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `False`
[INFO] [stdout]    |
[INFO] [stdout] 21 |             token::Object::False => write!(f, "false"),
[INFO] [stdout]    |             +++++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 21 |             _False => write!(f, "false"),
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0170, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `expr`
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod expr;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `expr`, create file "src/expr.rs" or "src/expr/mod.rs"
[INFO] [stdout]   = note: if there is a `mod expr` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlox` (lib test) due to 4 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scanner.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut keywords = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/scanner.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Ok(token) => {}
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `Nil` is named the same as one of the variants of the type `token::Object`
[INFO] [stdout]   --> src/token.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             Nil => write!(f, "nil"),
[INFO] [stdout]    |             ^^^ help: to match on the variant, qualify the path: `token::Object::Nil`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `True` is named the same as one of the variants of the type `token::Object`
[INFO] [stdout]   --> src/token.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout]    |             ^^^^ help: to match on the variant, qualify the path: `token::Object::True`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `False` is named the same as one of the variants of the type `token::Object`
[INFO] [stdout]   --> src/token.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             False => write!(f, "false"),
[INFO] [stdout]    |             ^^^^^ help: to match on the variant, qualify the path: `token::Object::False`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout]    |             ^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Object::Num(x) => write!(f, "{x}"),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 18 |             Object::Str(x) => write!(f, "\"{x}\""),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 19 |             Nil => write!(f, "nil"),
[INFO] [stdout]    |             --- matches some of the same values
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout]    |             ^^^^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             False => write!(f, "false"),
[INFO] [stdout]    |             ^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Object::Num(x) => write!(f, "{x}"),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 18 |             Object::Str(x) => write!(f, "\"{x}\""),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 19 |             Nil => write!(f, "nil"),
[INFO] [stdout]    |             --- matches some of the same values
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout] 21 |             False => write!(f, "false"),
[INFO] [stdout]    |             ^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Nil`
[INFO] [stdout]   --> src/token.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             Nil => write!(f, "nil"),
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `Nil`
[INFO] [stdout]    |
[INFO] [stdout] 19 |             token::Object::Nil => write!(f, "nil"),
[INFO] [stdout]    |             +++++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 19 |             _Nil => write!(f, "nil"),
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `True`
[INFO] [stdout]   --> src/token.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             True => write!(f, "true"),
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `True`
[INFO] [stdout]    |
[INFO] [stdout] 20 |             token::Object::True => write!(f, "true"),
[INFO] [stdout]    |             +++++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 20 |             _True => write!(f, "true"),
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `False`
[INFO] [stdout]   --> src/token.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             False => write!(f, "false"),
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `False`
[INFO] [stdout]    |
[INFO] [stdout] 21 |             token::Object::False => write!(f, "false"),
[INFO] [stdout]    |             +++++++++++++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 21 |             _False => write!(f, "false"),
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0170, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlox` (lib) due to 4 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f0a80170ccedaef0819cae9e03659221625be16dd553fbc72eb5a6dfc082f010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a80170ccedaef0819cae9e03659221625be16dd553fbc72eb5a6dfc082f010", kill_on_drop: false }`
[INFO] [stdout] f0a80170ccedaef0819cae9e03659221625be16dd553fbc72eb5a6dfc082f010
