[INFO] cloning repository https://github.com/codingbot24-s/interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codingbot24-s/interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodingbot24-s%2Finterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodingbot24-s%2Finterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5600abaf8dde5251f6e0efdb8722b7fd76b4f4c
[INFO] checking codingbot24-s/interpreter against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodingbot24-s%2Finterpreter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codingbot24-s/interpreter
[INFO] finished tweaking git repo https://github.com/codingbot24-s/interpreter
[INFO] tweaked toml for git repo https://github.com/codingbot24-s/interpreter written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codingbot24-s/interpreter on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codingbot24-s/interpreter 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f254ed215e0ad42a425f155c5a3590a88a715456a4a9293bc9e2c5caa5b6a5b4
[INFO] running `Command { std: "docker" "start" "-a" "f254ed215e0ad42a425f155c5a3590a88a715456a4a9293bc9e2c5caa5b6a5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f254ed215e0ad42a425f155c5a3590a88a715456a4a9293bc9e2c5caa5b6a5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f254ed215e0ad42a425f155c5a3590a88a715456a4a9293bc9e2c5caa5b6a5b4", kill_on_drop: false }`
[INFO] [stdout] f254ed215e0ad42a425f155c5a3590a88a715456a4a9293bc9e2c5caa5b6a5b4
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92fc873a2d33508630af89433ae35abde6449a113f8f64849ef9033fca07663a
[INFO] running `Command { std: "docker" "start" "-a" "92fc873a2d33508630af89433ae35abde6449a113f8f64849ef9033fca07663a", kill_on_drop: false }`
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/utils/repl.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |         token::token::{Token, TokenType},
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/utils/repl.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |         token::token::{Token, TokenType},
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ILLEGAL` is never constructed
[INFO] [stdout]   --> src/utils/token.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub enum TokenType {
[INFO] [stdout]    |              --------- variant in this enum
[INFO] [stdout] 20 |         // ILLEGAL signifies a token/character we don’t know about
[INFO] [stdout] 21 |         ILLEGAL,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, 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: struct `Identifire` is never constructed
[INFO] [stdout]   --> src/utils/token.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub struct Identifire <'a>{
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LetStatement` is never constructed
[INFO] [stdout]   --> src/utils/token.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub struct LetStatement<'a, T>
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ILLEGAL` is never constructed
[INFO] [stdout]   --> src/utils/token.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub enum TokenType {
[INFO] [stdout]    |              --------- variant in this enum
[INFO] [stdout] 20 |         // ILLEGAL signifies a token/character we don’t know about
[INFO] [stdout] 21 |         ILLEGAL,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, 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: trait `Node` is never used
[INFO] [stdout]  --> src/utils/ast.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub trait Node {
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Statement` is never used
[INFO] [stdout]  --> src/utils/ast.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub trait Statement: Node {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Identifire` is never constructed
[INFO] [stdout]   --> src/utils/token.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub struct Identifire <'a>{
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LetStatement` is never constructed
[INFO] [stdout]   --> src/utils/token.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub struct LetStatement<'a, T>
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is never used
[INFO] [stdout]  --> src/utils/ast.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub trait Node {
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Statement` is never used
[INFO] [stdout]  --> src/utils/ast.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub trait Statement: Node {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Expression` is never used
[INFO] [stdout]  --> src/utils/ast.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub trait Expression: Node {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Expression` is never used
[INFO] [stdout]  --> src/utils/ast.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub trait Expression: Node {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]   --> src/utils/ast.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub struct Program<T> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]   --> src/utils/ast.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub struct Program<T> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "92fc873a2d33508630af89433ae35abde6449a113f8f64849ef9033fca07663a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92fc873a2d33508630af89433ae35abde6449a113f8f64849ef9033fca07663a", kill_on_drop: false }`
[INFO] [stdout] 92fc873a2d33508630af89433ae35abde6449a113f8f64849ef9033fca07663a