[INFO] cloning repository https://github.com/namdar12/RustInterpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/namdar12/RustInterpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamdar12%2FRustInterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamdar12%2FRustInterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb39e00ef7fcf7b7dc6f75fb47c79c8fb3715ada
[INFO] checking namdar12/RustInterpreter against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnamdar12%2FRustInterpreter" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/namdar12/RustInterpreter
[INFO] finished tweaking git repo https://github.com/namdar12/RustInterpreter
[INFO] tweaked toml for git repo https://github.com/namdar12/RustInterpreter written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/namdar12/RustInterpreter on toolchain 8a0378607d6b34c242e3bfa75554871be641864b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/namdar12/RustInterpreter 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" "+8a0378607d6b34c242e3bfa75554871be641864b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 926ba76791093f50d59cd22b827cd5be5f66ee63655d42264b203032660431ed
[INFO] running `Command { std: "docker" "start" "-a" "926ba76791093f50d59cd22b827cd5be5f66ee63655d42264b203032660431ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "926ba76791093f50d59cd22b827cd5be5f66ee63655d42264b203032660431ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926ba76791093f50d59cd22b827cd5be5f66ee63655d42264b203032660431ed", kill_on_drop: false }`
[INFO] [stdout] 926ba76791093f50d59cd22b827cd5be5f66ee63655d42264b203032660431ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e040870d7e5140609c688765651da9fc0d60bf468dabc0246a030ac5ee9f975
[INFO] running `Command { std: "docker" "start" "-a" "5e040870d7e5140609c688765651da9fc0d60bf468dabc0246a030ac5ee9f975", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking Interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::Lexer`
[INFO] [stdout]    --> src/lexer.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use super::Lexer;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenKind` and `Token`
[INFO] [stdout]    --> src/lexer.rs:173:24
[INFO] [stdout]     |
[INFO] [stdout] 173 |     use crate::token::{Token, TokenKind};
[INFO] [stdout]     |                        ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind_1`
[INFO] [stdout]   --> src/token.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let kind_1 = TokenKind::from("let");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kind_1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind_2`
[INFO] [stdout]   --> src/token.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let kind_2 = TokenKind::from("hello");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kind_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind_1`
[INFO] [stdout]   --> src/token.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let kind_1 = TokenKind::from("let");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kind_1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind_2`
[INFO] [stdout]   --> src/token.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let kind_2 = TokenKind::from("hello");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kind_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "5e040870d7e5140609c688765651da9fc0d60bf468dabc0246a030ac5ee9f975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e040870d7e5140609c688765651da9fc0d60bf468dabc0246a030ac5ee9f975", kill_on_drop: false }`
[INFO] [stdout] 5e040870d7e5140609c688765651da9fc0d60bf468dabc0246a030ac5ee9f975