[INFO] cloning repository https://github.com/timar07/novis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timar07/novis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimar07%2Fnovis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimar07%2Fnovis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5d154290569b6943892f01963846868837fcfd3
[INFO] checking timar07/novis against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimar07%2Fnovis" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timar07/novis on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timar07/novis
[INFO] finished tweaking git repo https://github.com/timar07/novis
[INFO] tweaked toml for git repo https://github.com/timar07/novis written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/timar07/novis 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d7bbd28ad5479ffa65085ebec4ff4b6c02b55d19b3db3bb9590ef308ef0d4aa
[INFO] running `Command { std: "docker" "start" "-a" "4d7bbd28ad5479ffa65085ebec4ff4b6c02b55d19b3db3bb9590ef308ef0d4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d7bbd28ad5479ffa65085ebec4ff4b6c02b55d19b3db3bb9590ef308ef0d4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7bbd28ad5479ffa65085ebec4ff4b6c02b55d19b3db3bb9590ef308ef0d4aa", kill_on_drop: false }`
[INFO] [stdout] 4d7bbd28ad5479ffa65085ebec4ff4b6c02b55d19b3db3bb9590ef308ef0d4aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9f1bfabe5953bd19aab00b26081b841050a23d7da8f83aa7b3d61823d318be3
[INFO] running `Command { std: "docker" "start" "-a" "d9f1bfabe5953bd19aab00b26081b841050a23d7da8f83aa7b3d61823d318be3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking novis-rst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/interpreter/value.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |                           span: todo!(),
[INFO] [stdout]     |                                 ------- any code following this expression is unreachable
[INFO] [stdout] 137 |                           tag: ConversionError {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 138 | |                             from: format!("{:?}", self),
[INFO] [stdout] 139 | |                             to: "String".into(),
[INFO] [stdout] 140 | |                         }
[INFO] [stdout]     | |_________________________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/interpreter/value.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |                           span: todo!(),
[INFO] [stdout]     |                                 ------- any code following this expression is unreachable
[INFO] [stdout] 137 |                           tag: ConversionError {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 138 | |                             from: format!("{:?}", self),
[INFO] [stdout] 139 | |                             to: "String".into(),
[INFO] [stdout] 140 | |                         }
[INFO] [stdout]     | |_________________________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fname` is never read
[INFO] [stdout]  --> src/errors/error_trait.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct DebugInfo {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     pub fname: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `operator` is never read
[INFO] [stdout]   --> src/parser/ast/statement/statement.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct Let {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub operator: Token,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Let` 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 `expr` is never read
[INFO] [stdout]   --> src/interpreter/runtime_exception.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     IncompatibleOperands {
[INFO] [stdout]    |     -------------------- field in this variant
[INFO] [stdout] 34 |         expr: BinaryNode,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expr` is never read
[INFO] [stdout]   --> src/interpreter/runtime_exception.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     IncompatibleOperand {
[INFO] [stdout]    |     ------------------- field in this variant
[INFO] [stdout] 38 |         expr: UnaryNode,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/interpreter/value.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Function {
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 18 |         params: Vec<Token>,
[INFO] [stdout] 19 |         name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fname` is never read
[INFO] [stdout]  --> src/errors/error_trait.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct DebugInfo {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     pub fname: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DebugInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `operator` is never read
[INFO] [stdout]   --> src/parser/ast/statement/statement.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct Let {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub operator: Token,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Let` 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 `expr` is never read
[INFO] [stdout]   --> src/interpreter/runtime_exception.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     IncompatibleOperands {
[INFO] [stdout]    |     -------------------- field in this variant
[INFO] [stdout] 34 |         expr: BinaryNode,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expr` is never read
[INFO] [stdout]   --> src/interpreter/runtime_exception.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     IncompatibleOperand {
[INFO] [stdout]    |     ------------------- field in this variant
[INFO] [stdout] 38 |         expr: UnaryNode,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/interpreter/value.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Function {
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 18 |         params: Vec<Token>,
[INFO] [stdout] 19 |         name: Token,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "d9f1bfabe5953bd19aab00b26081b841050a23d7da8f83aa7b3d61823d318be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f1bfabe5953bd19aab00b26081b841050a23d7da8f83aa7b3d61823d318be3", kill_on_drop: false }`
[INFO] [stdout] d9f1bfabe5953bd19aab00b26081b841050a23d7da8f83aa7b3d61823d318be3