[INFO] cloning repository https://github.com/yukihir0/rs_monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yukihir0/rs_monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukihir0%2Frs_monkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukihir0%2Frs_monkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0cfaa6c5ad7c1ffe611cee5a5289f4d6dd582db
[INFO] testing yukihir0/rs_monkey against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukihir0%2Frs_monkey" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukihir0/rs_monkey on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yukihir0/rs_monkey
[INFO] finished tweaking git repo https://github.com/yukihir0/rs_monkey
[INFO] tweaked toml for git repo https://github.com/yukihir0/rs_monkey written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/yukihir0/rs_monkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b44bb39bc557f9b1b6ad3cc93f5ddf082133e88190df44e9443b36f9c3af2aaf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b44bb39bc557f9b1b6ad3cc93f5ddf082133e88190df44e9443b36f9c3af2aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b44bb39bc557f9b1b6ad3cc93f5ddf082133e88190df44e9443b36f9c3af2aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44bb39bc557f9b1b6ad3cc93f5ddf082133e88190df44e9443b36f9c3af2aaf", kill_on_drop: false }`
[INFO] [stdout] b44bb39bc557f9b1b6ad3cc93f5ddf082133e88190df44e9443b36f9c3af2aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 345514402bc198dc45e1b35975b54c83c4bfaf8e7e0d508ada71f76b2fb47225
[INFO] running `Command { std: "docker" "start" "-a" "345514402bc198dc45e1b35975b54c83c4bfaf8e7e0d508ada71f76b2fb47225", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/environment.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "345514402bc198dc45e1b35975b54c83c4bfaf8e7e0d508ada71f76b2fb47225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345514402bc198dc45e1b35975b54c83c4bfaf8e7e0d508ada71f76b2fb47225", kill_on_drop: false }`
[INFO] [stdout] 345514402bc198dc45e1b35975b54c83c4bfaf8e7e0d508ada71f76b2fb47225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b62883f9def5f056d96f2c4afdb2d79f77e8959c16815ee7d687b54ab23f4f0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b62883f9def5f056d96f2c4afdb2d79f77e8959c16815ee7d687b54ab23f4f0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/environment.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "b62883f9def5f056d96f2c4afdb2d79f77e8959c16815ee7d687b54ab23f4f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62883f9def5f056d96f2c4afdb2d79f77e8959c16815ee7d687b54ab23f4f0c", kill_on_drop: false }`
[INFO] [stdout] b62883f9def5f056d96f2c4afdb2d79f77e8959c16815ee7d687b54ab23f4f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7a10cf335273963e3567fe0f4e7259b81a9c78dfa0c54a1d24ac2743ed8d5e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c7a10cf335273963e3567fe0f4e7259b81a9c78dfa0c54a1d24ac2743ed8d5e1", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/environment.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_monkey-df76c950757d4c07)
[INFO] [stdout] running 35 tests
[INFO] [stdout] test evaluator::tests::test_array_literal ... ok
[INFO] [stdout] test evaluator::tests::test_array_index_expression ... ok
[INFO] [stdout] test evaluator::tests::test_boolean_expression ... ok
[INFO] [stdout] test evaluator::tests::test_function_object ... ok
[INFO] [stdout] test evaluator::tests::test_builtin_functions ... ok
[INFO] [stdout] test evaluator::tests::test_hash_index_expr ... ok
[INFO] [stdout] test evaluator::tests::test_if_else_expression ... ok
[INFO] [stdout] test evaluator::tests::test_hash_literal ... ok
[INFO] [stdout] test evaluator::tests::test_closures ... ok
[INFO] [stdout] test evaluator::tests::test_bang_operator ... ok
[INFO] [stdout] test lexer::tests::next_token_test ... ok
[INFO] [stdout] test parser::tests::test_array_literal_expression ... ok
[INFO] [stdout] test evaluator::tests::test_string_expression ... ok
[INFO] [stdout] test evaluator::tests::test_integer_expression ... ok
[INFO] [stdout] test parser::tests::test_func_expression ... ok
[INFO] [stdout] test parser::tests::test_hash_literal_expression ... ok
[INFO] [stdout] test evaluator::tests::test_error_handling ... ok
[INFO] [stdout] test evaluator::tests::test_string_concatenation ... ok
[INFO] [stdout] test evaluator::tests::test_function_application ... ok
[INFO] [stdout] test parser::tests::test_prefix_expression ... ok
[INFO] [stdout] test parser::tests::test_return_statement ... ok
[INFO] [stdout] test parser::tests::test_string_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_monkey-15f81245e8fa6a55)
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test parser::tests::test_call_expression ... ok
[INFO] [stdout] test parser::tests::test_if_expression ... ok
[INFO] [stdout] test parser::tests::test_index_expression ... ok
[INFO] [stdout] test parser::tests::test_infix_expression ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_func_params ... ok
[INFO] [stdout] test parser::tests::test_boolean_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_let_statement ... ok
[INFO] [stdout] test evaluator::tests::test_let_statement ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test evaluator::tests::test_return_statement ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test evaluator::tests::test_bang_operator ... ok
[INFO] [stdout] test evaluator::tests::test_error_handling ... ok
[INFO] [stdout] test evaluator::tests::test_boolean_expression ... ok
[INFO] [stdout] test evaluator::tests::test_string_concatenation ... ok
[INFO] [stdout] test evaluator::tests::test_function_application ... ok
[INFO] [stdout] test evaluator::tests::test_hash_literal ... ok
[INFO] [stdout] test evaluator::tests::test_if_else_expression ... ok
[INFO] [stdout] test evaluator::tests::test_function_object ... ok
[INFO] [stdout] test evaluator::tests::test_closures ... ok
[INFO] [stdout] test evaluator::tests::test_builtin_functions ... ok
[INFO] [stdout] test evaluator::tests::test_let_statement ... ok
[INFO] [stdout] test evaluator::tests::test_string_expression ... ok
[INFO] [stdout] test parser::tests::test_boolean_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_func_expression ... ok
[INFO] [stdout] test evaluator::tests::test_array_index_expression ... ok
[INFO] [stdout] test evaluator::tests::test_integer_expression ... ok
[INFO] [stdout] test evaluator::tests::test_hash_index_expr ... ok
[INFO] [stdout] test evaluator::tests::test_return_statement ... ok
[INFO] [stdout] test parser::tests::test_func_params ... ok
[INFO] [stdout] test parser::tests::test_hash_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test parser::tests::test_index_expression ... ok
[INFO] [stdout] test parser::tests::test_if_expression ... ok
[INFO] [stdout] test parser::tests::test_infix_expression ... ok
[INFO] [stdout] test parser::tests::test_call_expression ... ok
[INFO] [stdout] test parser::tests::test_array_literal_expression ... ok
[INFO] [stdout] test lexer::tests::next_token_test ... ok
[INFO] [stderr]    Doc-tests rs_monkey
[INFO] [stdout] test parser::tests::test_let_statement ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_prefix_expression ... ok
[INFO] [stdout] test parser::tests::test_return_statement ... ok
[INFO] [stdout] test evaluator::tests::test_array_literal ... ok
[INFO] [stdout] test parser::tests::test_string_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7a10cf335273963e3567fe0f4e7259b81a9c78dfa0c54a1d24ac2743ed8d5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a10cf335273963e3567fe0f4e7259b81a9c78dfa0c54a1d24ac2743ed8d5e1", kill_on_drop: false }`
[INFO] [stdout] c7a10cf335273963e3567fe0f4e7259b81a9c78dfa0c54a1d24ac2743ed8d5e1