[INFO] updating cached repository https://github.com/martskins/monkers
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e047a508dac7506a6d25a4638d5b43abbe5dc6e5
[INFO] testing martskins/monkers against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Fmonkers" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martskins/monkers on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/martskins/monkers already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7067c4b470409cebffa3ae83b30d973d3776df1d45ff69fb4ead22f3f73ccc08
[INFO] running `"docker" "start" "-a" "7067c4b470409cebffa3ae83b30d973d3776df1d45ff69fb4ead22f3f73ccc08"`
[INFO] [stderr]    Compiling monkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `EvalError`, `Result`
[INFO] [stderr]  --> src/evaluator/object.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::result::{EvalError, Result};
[INFO] [stderr]   |                     ^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/parser/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedHashKeyType`
[INFO] [stderr]  --> src/evaluator/result.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Illegal`
[INFO] [stderr]  --> src/lexer/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Illegal,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/parser/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn from(input: &str) -> Parser {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_string_literal_expression`
[INFO] [stderr]    --> src/parser/mod.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `"docker" "inspect" "7067c4b470409cebffa3ae83b30d973d3776df1d45ff69fb4ead22f3f73ccc08"`
[INFO] running `"docker" "rm" "-f" "7067c4b470409cebffa3ae83b30d973d3776df1d45ff69fb4ead22f3f73ccc08"`
[INFO] [stdout] 7067c4b470409cebffa3ae83b30d973d3776df1d45ff69fb4ead22f3f73ccc08
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc6f7be08a7c199160043af38564a7fa14f0a44b6a2c918c73dbdd0688c42951
[INFO] running `"docker" "start" "-a" "bc6f7be08a7c199160043af38564a7fa14f0a44b6a2c918c73dbdd0688c42951"`
[INFO] [stderr]    Compiling monkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `EvalError`, `Result`
[INFO] [stderr]  --> src/evaluator/object.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::result::{EvalError, Result};
[INFO] [stderr]   |                     ^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/parser/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedHashKeyType`
[INFO] [stderr]  --> src/evaluator/result.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Illegal`
[INFO] [stderr]  --> src/lexer/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Illegal,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_string_literal_expression`
[INFO] [stderr]    --> src/parser/mod.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `"docker" "inspect" "bc6f7be08a7c199160043af38564a7fa14f0a44b6a2c918c73dbdd0688c42951"`
[INFO] running `"docker" "rm" "-f" "bc6f7be08a7c199160043af38564a7fa14f0a44b6a2c918c73dbdd0688c42951"`
[INFO] [stdout] bc6f7be08a7c199160043af38564a7fa14f0a44b6a2c918c73dbdd0688c42951
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] bce860cfa61abee76bc54fda13ffc6cf7ad92a7c51d036b4d6347a2bffb9cb6d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bce860cfa61abee76bc54fda13ffc6cf7ad92a7c51d036b4d6347a2bffb9cb6d"`
[INFO] [stderr] warning: unused imports: `EvalError`, `Result`
[INFO] [stderr]  --> src/evaluator/object.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::result::{EvalError, Result};
[INFO] [stderr]   |                     ^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/parser/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedHashKeyType`
[INFO] [stderr]  --> src/evaluator/result.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     UnsupportedHashKeyType(Object),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Illegal`
[INFO] [stderr]  --> src/lexer/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Illegal,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn new(operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn new(left: Expression, operator: Operator, right: Expression) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parser/ast/expression.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn new(cond: Expression, cons: BlockStatement, alt: Option<BlockStatement>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_string_literal_expression`
[INFO] [stderr]    --> src/parser/mod.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     fn parse_string_literal_expression(&self) -> Result<Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkers-d4ddc471681e5521
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test evaluator::test::add_expression ... ok
[INFO] [stdout] test evaluator::test::builtin_first ... ok
[INFO] [stdout] test evaluator::test::builtin_head ... ok
[INFO] [stdout] test evaluator::test::builtin_last ... ok
[INFO] [stdout] test evaluator::test::builtin_push ... ok
[INFO] [stdout] test evaluator::test::bang_operator ... ok
[INFO] [stdout] test evaluator::test::arrays ... ok
[INFO] [stdout] test evaluator::test::greater_than_expression ... ok
[INFO] [stdout] test evaluator::test::functions ... ok
[INFO] [stdout] test evaluator::test::builtin_tail ... ok
[INFO] [stdout] test evaluator::test::let_statements ... ok
[INFO] [stdout] test evaluator::test::less_than_expression ... ok
[INFO] [stdout] test evaluator::test::hashes ... ok
[INFO] [stdout] test evaluator::test::return_statement ... ok
[INFO] [stdout] test evaluator::test::division_expression ... ok
[INFO] [stdout] test evaluator::test::builtin_len ... ok
[INFO] [stdout] test evaluator::test::test_strings ... ok
[INFO] [stdout] test evaluator::test::test_eval_integer_expression ... ok
[INFO] [stdout] test evaluator::test::test_eval_boolean_expression ... ok
[INFO] [stdout] test evaluator::test::minus_operator ... ok
[INFO] [stdout] test evaluator::test::if_expression ... ok
[INFO] [stdout] test parser::test::parse_function_literal ... ok
[INFO] [stdout] test parser::test::parse_boolean_literal ... ok
[INFO] [stdout] test parser::test::parse_call_expression ... ok
[INFO] [stdout] test parser::test::parse_array_literal ... ok
[INFO] [stdout] test evaluator::test::subtraction_expression ... ok
[INFO] [stdout] test evaluator::test::type_mismatch_error ... ok
[INFO] [stdout] test parser::test::parse_function_statement ... ok
[INFO] [stdout] test parser::test::parse_if_expression ... ok
[INFO] [stdout] test parser::test::parse_hash_literal ... ok
[INFO] [stdout] test parser::test::parse_infix_expression_plus ... ok
[INFO] [stdout] test evaluator::test::multiplication_expression ... ok
[INFO] [stdout] test parser::test::parse_grouped_expression ... ok
[INFO] [stdout] test parser::test::parse_infix_expression_star ... ok
[INFO] [stdout] test parser::test::parse_integer_literal_expression ... ok
[INFO] [stdout] test parser::test::parse_prefix_expression_minus ... ok
[INFO] [stdout] test parser::test::parse_prefix_expression_bang ... ok
[INFO] [stdout] test lexer::test::test_next_token ... ok
[INFO] [stdout] test parser::test::parse_let_statements ... ok
[INFO] [stdout] test parser::test::test_expression_statements ... ok
[INFO] [stdout] test parser::test::parse_string_literal ... ok
[INFO] [stdout] test parser::test::parse_infix_expression_minus ... ok
[INFO] [stdout] test parser::test::test_identifier_expressions ... ok
[INFO] [stdout] test parser::test::test_return_statement ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bce860cfa61abee76bc54fda13ffc6cf7ad92a7c51d036b4d6347a2bffb9cb6d"`
[INFO] running `"docker" "rm" "-f" "bce860cfa61abee76bc54fda13ffc6cf7ad92a7c51d036b4d6347a2bffb9cb6d"`
[INFO] [stdout] bce860cfa61abee76bc54fda13ffc6cf7ad92a7c51d036b4d6347a2bffb9cb6d