[INFO] cloning repository https://github.com/noghartt/nero
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noghartt/nero" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoghartt%2Fnero", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoghartt%2Fnero'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b601dfe7541f9b51b182581b75d54777654eba85
[INFO] checking noghartt/nero against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoghartt%2Fnero" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/noghartt/nero
[INFO] finished tweaking git repo https://github.com/noghartt/nero
[INFO] tweaked toml for git repo https://github.com/noghartt/nero written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/noghartt/nero on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/noghartt/nero 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" "+987a165cfab916796a8315782b83ac460a651ce2" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e3271ed1b58f8d447fe749ffd74f17854ec1a459c9062076fa0684a03410261
[INFO] running `Command { std: "docker" "start" "-a" "6e3271ed1b58f8d447fe749ffd74f17854ec1a459c9062076fa0684a03410261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3271ed1b58f8d447fe749ffd74f17854ec1a459c9062076fa0684a03410261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3271ed1b58f8d447fe749ffd74f17854ec1a459c9062076fa0684a03410261", kill_on_drop: false }`
[INFO] [stdout] 6e3271ed1b58f8d447fe749ffd74f17854ec1a459c9062076fa0684a03410261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3954a58391e0b37232ca82881a2b4f3237fe1d7d1e09d6de448a7dc299a61530
[INFO] running `Command { std: "docker" "start" "-a" "3954a58391e0b37232ca82881a2b4f3237fe1d7d1e09d6de448a7dc299a61530", kill_on_drop: false }`
[INFO] [stderr]     Checking nero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/interpreter/expr.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             _ => unreachable!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/interpreter/expr.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             PrimaryNode::Literal(token) => eval_literal(token),
[INFO] [stdout]    |             --------------------------- matches some of the same values
[INFO] [stdout] 66 |             PrimaryNode::Paren { expr, lparen: _, rparen: _ } => expr.eval(),
[INFO] [stdout]    |             ------------------------------------------------- matches some of the same values
[INFO] [stdout] 67 |             _ => unreachable!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/interpreter/expr.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             _ => unreachable!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/interpreter/expr.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             PrimaryNode::Literal(token) => eval_literal(token),
[INFO] [stdout]    |             --------------------------- matches some of the same values
[INFO] [stdout] 66 |             PrimaryNode::Paren { expr, lparen: _, rparen: _ } => expr.eval(),
[INFO] [stdout]    |             ------------------------------------------------- matches some of the same values
[INFO] [stdout] 67 |             _ => unreachable!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Nil` is never constructed
[INFO] [stdout]  --> src/interpreter/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Value {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     Int(i64),
[INFO] [stdout] 6 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]   --> src/lexer/tokens.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Lexeme {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     pub start: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 19 |     pub end: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexeme` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lexeme` is never read
[INFO] [stdout]   --> src/lexer/tokens.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 24 |     pub typ: TokenType,
[INFO] [stdout] 25 |     pub lexeme: Lexeme,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lparen` and `rparen` are never read
[INFO] [stdout]   --> src/parser/expr.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Paren {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 31 |         lparen: Token,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 32 |         rparen: Token,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PrimaryNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Nil` is never constructed
[INFO] [stdout]  --> src/interpreter/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Value {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     Int(i64),
[INFO] [stdout] 6 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Value` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]   --> src/lexer/tokens.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Lexeme {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     pub start: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 19 |     pub end: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexeme` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lexeme` is never read
[INFO] [stdout]   --> src/lexer/tokens.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 24 |     pub typ: TokenType,
[INFO] [stdout] 25 |     pub lexeme: Lexeme,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lparen` and `rparen` are never read
[INFO] [stdout]   --> src/parser/expr.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Paren {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 31 |         lparen: Token,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 32 |         rparen: Token,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PrimaryNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3954a58391e0b37232ca82881a2b4f3237fe1d7d1e09d6de448a7dc299a61530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3954a58391e0b37232ca82881a2b4f3237fe1d7d1e09d6de448a7dc299a61530", kill_on_drop: false }`
[INFO] [stdout] 3954a58391e0b37232ca82881a2b4f3237fe1d7d1e09d6de448a7dc299a61530