[INFO] cloning repository https://github.com/martskins/monkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martskins/monkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fmonkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fmonkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e047a508dac7506a6d25a4638d5b43abbe5dc6e5
[INFO] checking martskins/monkers against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fmonkers" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martskins/monkers on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martskins/monkers
[INFO] finished tweaking git repo https://github.com/martskins/monkers
[INFO] tweaked toml for git repo https://github.com/martskins/monkers written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/martskins/monkers 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9ea9ee1ddef8fe99aee978efc9a403ec869272bef71007d1c258440bbb91175
[INFO] running `Command { std: "docker" "start" "-a" "e9ea9ee1ddef8fe99aee978efc9a403ec869272bef71007d1c258440bbb91175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ea9ee1ddef8fe99aee978efc9a403ec869272bef71007d1c258440bbb91175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ea9ee1ddef8fe99aee978efc9a403ec869272bef71007d1c258440bbb91175", kill_on_drop: false }`
[INFO] [stdout] e9ea9ee1ddef8fe99aee978efc9a403ec869272bef71007d1c258440bbb91175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d18aaf6e296341e2684435f672d5cb7903a0c7ce68d78d823e1f4293730a150b
[INFO] running `Command { std: "docker" "start" "-a" "d18aaf6e296341e2684435f672d5cb7903a0c7ce68d78d823e1f4293730a150b", kill_on_drop: false }`
[INFO] [stderr]     Checking monkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `EvalError` and `Result`
[INFO] [stdout]  --> src/evaluator/object.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::result::{EvalError, Result};
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `result::*`
[INFO] [stdout]  --> src/parser/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use result::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/parser/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EvalError` and `Result`
[INFO] [stdout]  --> src/evaluator/object.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::result::{EvalError, Result};
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `result::*`
[INFO] [stdout]  --> src/parser/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use result::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/parser/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnsupportedHashKeyType` is never constructed
[INFO] [stdout]  --> src/evaluator/result.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum EvalError {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EvalError` 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: variant `Illegal` is never constructed
[INFO] [stdout]  --> src/lexer/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Token {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 3 |     Illegal,
[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: associated items `from` and `parse_string_literal_expression` are never used
[INFO] [stdout]    --> src/parser/mod.rs:35:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl Parser {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35  |     pub fn from(input: &str) -> Parser {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/parser/ast/expression.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl PrefixExpression {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/parser/ast/expression.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | impl InfixExpression {
[INFO] [stdout]     | -------------------- associated function in this implementation
[INFO] [stdout] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/parser/ast/expression.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 224 | impl IfExpression {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnsupportedHashKeyType` is never constructed
[INFO] [stdout]  --> src/evaluator/result.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum EvalError {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EvalError` 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: variant `Illegal` is never constructed
[INFO] [stdout]  --> src/lexer/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Token {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 3 |     Illegal,
[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: method `parse_string_literal_expression` is never used
[INFO] [stdout]    --> src/parser/mod.rs:326:8
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/parser/ast/expression.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl PrefixExpression {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/parser/ast/expression.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | impl InfixExpression {
[INFO] [stdout]     | -------------------- associated function in this implementation
[INFO] [stdout] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/parser/ast/expression.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 224 | impl IfExpression {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "d18aaf6e296341e2684435f672d5cb7903a0c7ce68d78d823e1f4293730a150b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18aaf6e296341e2684435f672d5cb7903a0c7ce68d78d823e1f4293730a150b", kill_on_drop: false }`
[INFO] [stdout] d18aaf6e296341e2684435f672d5cb7903a0c7ce68d78d823e1f4293730a150b