[INFO] cloning repository https://github.com/Palladium02/invariant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Palladium02/invariant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPalladium02%2Finvariant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPalladium02%2Finvariant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3800772e2473e3705c49a64a2f9dd0d5a9463efc
[INFO] checking Palladium02/invariant against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPalladium02%2Finvariant" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Palladium02/invariant
[INFO] finished tweaking git repo https://github.com/Palladium02/invariant
[INFO] tweaked toml for git repo https://github.com/Palladium02/invariant written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Palladium02/invariant on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Palladium02/invariant 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 526ef97b2cf5ad6a3a3572df2ee700fadbc28cc2759a1b76ff646936f3d3b95b
[INFO] running `Command { std: "docker" "start" "-a" "526ef97b2cf5ad6a3a3572df2ee700fadbc28cc2759a1b76ff646936f3d3b95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "526ef97b2cf5ad6a3a3572df2ee700fadbc28cc2759a1b76ff646936f3d3b95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526ef97b2cf5ad6a3a3572df2ee700fadbc28cc2759a1b76ff646936f3d3b95b", kill_on_drop: false }`
[INFO] [stdout] 526ef97b2cf5ad6a3a3572df2ee700fadbc28cc2759a1b76ff646936f3d3b95b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d90c35bd94e11aaaefe17216f81e7dc401de82e3182aabc098f8cc066b3b4b
[INFO] running `Command { std: "docker" "start" "-a" "e3d90c35bd94e11aaaefe17216f81e7dc401de82e3182aabc098f8cc066b3b4b", kill_on_drop: false }`
[INFO] [stderr]     Checking invariant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_range_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_range_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/ast.rs:56:32
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Statement::Block { body, span } => span,
[INFO] [stdout]    |                                ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bind_to`
[INFO] [stdout]   --> src/ast.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 bind_to,
[INFO] [stdout]    |                 ^^^^^^^ help: try ignoring the field: `bind_to: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/ast.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 value,
[INFO] [stdout]    |                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> src/ast.rs:62:37
[INFO] [stdout]    |
[INFO] [stdout] 62 |             Statement::Expression { expression, span } => span,
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: try ignoring the field: `expression: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/ast.rs:63:33
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Statement::Return { value, span } => span,
[INFO] [stdout]    |                                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]   --> src/ast.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 condition,
[INFO] [stdout]    |                 ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `then`
[INFO] [stdout]   --> src/ast.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 then,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `then: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `otherwise`
[INFO] [stdout]   --> src/ast.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 otherwise,
[INFO] [stdout]    |                 ^^^^^^^^^ help: try ignoring the field: `otherwise: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]   --> src/ast.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 condition,
[INFO] [stdout]    |                 ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/ast.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 body,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/parser.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let name = self.expect_identifier()?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let arguments = self.expect_arguments();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let body = self.expect_block()?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/parser.rs:229:30
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn expect_lud(&mut self, left: Expression) -> Result<Expression, ParseError> {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/parser.rs:267:22
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn binding_power(kind: TokenKind) -> u8 {
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `invariant` (bin "invariant") due to 1 previous error; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/ast.rs:56:32
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Statement::Block { body, span } => span,
[INFO] [stdout]    |                                ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bind_to`
[INFO] [stdout]   --> src/ast.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 bind_to,
[INFO] [stdout]    |                 ^^^^^^^ help: try ignoring the field: `bind_to: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/ast.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 value,
[INFO] [stdout]    |                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> src/ast.rs:62:37
[INFO] [stdout]    |
[INFO] [stdout] 62 |             Statement::Expression { expression, span } => span,
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: try ignoring the field: `expression: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/ast.rs:63:33
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Statement::Return { value, span } => span,
[INFO] [stdout]    |                                 ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]   --> src/ast.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 condition,
[INFO] [stdout]    |                 ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `then`
[INFO] [stdout]   --> src/ast.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 then,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `then: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `otherwise`
[INFO] [stdout]   --> src/ast.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 otherwise,
[INFO] [stdout]    |                 ^^^^^^^^^ help: try ignoring the field: `otherwise: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]   --> src/ast.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 condition,
[INFO] [stdout]    |                 ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/ast.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 body,
[INFO] [stdout]    |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/parser.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let name = self.expect_identifier()?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/parser.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let arguments = self.expect_arguments();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/parser.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let body = self.expect_block()?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/parser.rs:229:30
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn expect_lud(&mut self, left: Expression) -> Result<Expression, ParseError> {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/parser.rs:267:22
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn binding_power(kind: TokenKind) -> u8 {
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `invariant` (bin "invariant" test) due to 1 previous error; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e3d90c35bd94e11aaaefe17216f81e7dc401de82e3182aabc098f8cc066b3b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d90c35bd94e11aaaefe17216f81e7dc401de82e3182aabc098f8cc066b3b4b", kill_on_drop: false }`
[INFO] [stdout] e3d90c35bd94e11aaaefe17216f81e7dc401de82e3182aabc098f8cc066b3b4b
