[INFO] cloning repository https://github.com/Adogeon/monkey-rust-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Adogeon/monkey-rust-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdogeon%2Fmonkey-rust-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdogeon%2Fmonkey-rust-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 813ba5919748c0aca48b97f89e3f7ec44bdc56e3
[INFO] checking Adogeon/monkey-rust-interpreter against master#a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdogeon%2Fmonkey-rust-interpreter" "/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/Adogeon/monkey-rust-interpreter
[INFO] finished tweaking git repo https://github.com/Adogeon/monkey-rust-interpreter
[INFO] tweaked toml for git repo https://github.com/Adogeon/monkey-rust-interpreter written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Adogeon/monkey-rust-interpreter on toolchain a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Adogeon/monkey-rust-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" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59c1b9ec8e676b160666d272b6c0c097d28005ee9f7bdb5e735dc7e8e530f447
[INFO] running `Command { std: "docker" "start" "-a" "59c1b9ec8e676b160666d272b6c0c097d28005ee9f7bdb5e735dc7e8e530f447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c1b9ec8e676b160666d272b6c0c097d28005ee9f7bdb5e735dc7e8e530f447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c1b9ec8e676b160666d272b6c0c097d28005ee9f7bdb5e735dc7e8e530f447", kill_on_drop: false }`
[INFO] [stdout] 59c1b9ec8e676b160666d272b6c0c097d28005ee9f7bdb5e735dc7e8e530f447
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff8d7bae689481959d1be796d12f8b6a81532abeadd068864a1f269780f64926
[INFO] running `Command { std: "docker" "start" "-a" "ff8d7bae689481959d1be796d12f8b6a81532abeadd068864a1f269780f64926", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-inter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/object/mod.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{self, Expression, Identifier, Node, Statement};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::evaluator::Evaluable`
[INFO] [stdout]  --> src/object/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::evaluator::Evaluable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/object/mod.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{self, Expression, Identifier, Node, Statement};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::evaluator::Evaluable`
[INFO] [stdout]  --> src/object/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::evaluator::Evaluable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `calculate_hash` is never used
[INFO] [stdout]   --> src/object/hash.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl HashKey {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn calculate_hash(val: HashKey) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `UnexpectedToken` and `NoInfixParseFnError` are never constructed
[INFO] [stdout]   --> src/parser/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 37 |     UnexpectedToken(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     NoInfixParseFnError(TType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `calculate_hash` is never used
[INFO] [stdout]   --> src/object/hash.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl HashKey {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn calculate_hash(val: HashKey) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `UnexpectedToken` and `NoInfixParseFnError` are never constructed
[INFO] [stdout]   --> src/parser/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 37 |     UnexpectedToken(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     NoInfixParseFnError(TType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ff8d7bae689481959d1be796d12f8b6a81532abeadd068864a1f269780f64926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8d7bae689481959d1be796d12f8b6a81532abeadd068864a1f269780f64926", kill_on_drop: false }`
[INFO] [stdout] ff8d7bae689481959d1be796d12f8b6a81532abeadd068864a1f269780f64926
