[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukihir0%2Frs_monkey" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukihir0/rs_monkey on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-107/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26cc9a0d69e6bc566a8009c8435b3bc5f7b0751768e8b6dbc8e24ae33667ab3c
[INFO] running `Command { std: "docker" "start" "-a" "26cc9a0d69e6bc566a8009c8435b3bc5f7b0751768e8b6dbc8e24ae33667ab3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26cc9a0d69e6bc566a8009c8435b3bc5f7b0751768e8b6dbc8e24ae33667ab3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cc9a0d69e6bc566a8009c8435b3bc5f7b0751768e8b6dbc8e24ae33667ab3c", kill_on_drop: false }`
[INFO] [stdout] 26cc9a0d69e6bc566a8009c8435b3bc5f7b0751768e8b6dbc8e24ae33667ab3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a711856ac7dc150ec663e2be8515cdb2853f01cf9df2508deb1553cabf5388d6
[INFO] running `Command { std: "docker" "start" "-a" "a711856ac7dc150ec663e2be8515cdb2853f01cf9df2508deb1553cabf5388d6", 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 7.42s
[INFO] running `Command { std: "docker" "inspect" "a711856ac7dc150ec663e2be8515cdb2853f01cf9df2508deb1553cabf5388d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a711856ac7dc150ec663e2be8515cdb2853f01cf9df2508deb1553cabf5388d6", kill_on_drop: false }`
[INFO] [stdout] a711856ac7dc150ec663e2be8515cdb2853f01cf9df2508deb1553cabf5388d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dbda3d9d4ece3357899f06bf9d5db224dabb9a2d75bc401e2b3bc40dd8ebffb
[INFO] running `Command { std: "docker" "start" "-a" "0dbda3d9d4ece3357899f06bf9d5db224dabb9a2d75bc401e2b3bc40dd8ebffb", 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 1.71s
[INFO] running `Command { std: "docker" "inspect" "0dbda3d9d4ece3357899f06bf9d5db224dabb9a2d75bc401e2b3bc40dd8ebffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbda3d9d4ece3357899f06bf9d5db224dabb9a2d75bc401e2b3bc40dd8ebffb", kill_on_drop: false }`
[INFO] [stdout] 0dbda3d9d4ece3357899f06bf9d5db224dabb9a2d75bc401e2b3bc40dd8ebffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 585c0b95c4b4cb8a6e1fc1e17d8e0436951a9886478239806fa21b9c06a7ffc1
[INFO] running `Command { std: "docker" "start" "-a" "585c0b95c4b4cb8a6e1fc1e17d8e0436951a9886478239806fa21b9c06a7ffc1", 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: `rs_monkey` (bin "rs_monkey" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_monkey-97ac26b2a9b4ccad)
[INFO] [stdout] 
[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_bang_operator ... ok
[INFO] [stdout] test evaluator::tests::test_boolean_expression ... ok
[INFO] [stdout] test evaluator::tests::test_closures ... 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_let_statement ... ok
[INFO] [stdout] test evaluator::tests::test_integer_expression ... ok
[INFO] [stdout] test evaluator::tests::test_builtin_functions ... ok
[INFO] [stdout] test evaluator::tests::test_return_statement ... ok
[INFO] [stdout] test evaluator::tests::test_function_object ... ok
[INFO] [stdout] test evaluator::tests::test_string_concatenation ... ok
[INFO] [stdout] test evaluator::tests::test_string_expression ... ok
[INFO] [stdout] test evaluator::tests::test_error_handling ... ok
[INFO] [stdout] test evaluator::tests::test_hash_index_expr ... ok
[INFO] [stdout] test parser::tests::test_array_literal_expression ... ok
[INFO] [stdout] test evaluator::tests::test_function_application ... ok
[INFO] [stdout] test lexer::tests::next_token_test ... ok
[INFO] [stdout] test parser::tests::test_boolean_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_call_expression ... ok
[INFO] [stdout] test parser::tests::test_func_expression ... ok
[INFO] [stdout] test parser::tests::test_hash_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test parser::tests::test_func_params ... ok
[INFO] [stdout] test parser::tests::test_if_expression ... ok
[INFO] [stdout] test parser::tests::test_if_else_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_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_let_statement ... 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_operator_precedence_parsing ... ok
[INFO] [stdout] test parser::tests::test_string_literal_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_monkey-77cd9dd398a6855b)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test evaluator::tests::test_array_literal ... ok
[INFO] [stdout] test evaluator::tests::test_let_statement ... ok
[INFO] [stdout] test evaluator::tests::test_hash_literal ... ok
[INFO] [stdout] test evaluator::tests::test_bang_operator ... 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_closures ... 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_hash_index_expr ... ok
[INFO] [stdout] test evaluator::tests::test_string_expression ... ok
[INFO] [stdout] test evaluator::tests::test_if_else_expression ... ok
[INFO] [stdout] test evaluator::tests::test_return_statement ... ok
[INFO] [stdout] test evaluator::tests::test_integer_expression ... ok
[INFO] [stdout] test evaluator::tests::test_builtin_functions ... ok
[INFO] [stdout] test evaluator::tests::test_function_application ... ok
[INFO] [stdout] test lexer::tests::next_token_test ... ok
[INFO] [stdout] test parser::tests::test_array_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_boolean_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_call_expression ... ok
[INFO] [stdout] test parser::tests::test_func_expression ... 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_identifier_expression ... ok
[INFO] [stdout] test parser::tests::test_if_else_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_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_let_statement ... ok
[INFO] [stdout] test parser::tests::test_infix_expression ... 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] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs_monkey
[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" "585c0b95c4b4cb8a6e1fc1e17d8e0436951a9886478239806fa21b9c06a7ffc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585c0b95c4b4cb8a6e1fc1e17d8e0436951a9886478239806fa21b9c06a7ffc1", kill_on_drop: false }`
[INFO] [stdout] 585c0b95c4b4cb8a6e1fc1e17d8e0436951a9886478239806fa21b9c06a7ffc1