[INFO] cloning repository https://github.com/rarewin/rsmonkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rarewin/rsmonkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarewin%2Frsmonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarewin%2Frsmonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cac3c6097216f7d9d03e3ef4546a68af1de17a39
[INFO] testing rarewin/rsmonkey against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarewin%2Frsmonkey" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rarewin/rsmonkey on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rarewin/rsmonkey
[INFO] finished tweaking git repo https://github.com/rarewin/rsmonkey
[INFO] tweaked toml for git repo https://github.com/rarewin/rsmonkey written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rarewin/rsmonkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e35fca85b1f2d91010a8ffd72f2878d9a56764a89e12b81a09b077fa20bb7901
[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" "e35fca85b1f2d91010a8ffd72f2878d9a56764a89e12b81a09b077fa20bb7901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e35fca85b1f2d91010a8ffd72f2878d9a56764a89e12b81a09b077fa20bb7901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35fca85b1f2d91010a8ffd72f2878d9a56764a89e12b81a09b077fa20bb7901", kill_on_drop: false }`
[INFO] [stdout] e35fca85b1f2d91010a8ffd72f2878d9a56764a89e12b81a09b077fa20bb7901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdbed8229e35cfb61f77eb0021ef80bb02623b045c2b0d375efb8c1f172029a4
[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" "fdbed8229e35cfb61f77eb0021ef80bb02623b045c2b0d375efb8c1f172029a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.32
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling rsmonkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.35s
[INFO] running `Command { std: "docker" "inspect" "fdbed8229e35cfb61f77eb0021ef80bb02623b045c2b0d375efb8c1f172029a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbed8229e35cfb61f77eb0021ef80bb02623b045c2b0d375efb8c1f172029a4", kill_on_drop: false }`
[INFO] [stdout] fdbed8229e35cfb61f77eb0021ef80bb02623b045c2b0d375efb8c1f172029a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78a17e9932543b7adec50f600b2dd81bbc316c66b728bf30d9c13c9ae4b39262
[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" "78a17e9932543b7adec50f600b2dd81bbc316c66b728bf30d9c13c9ae4b39262", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsmonkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `Command { std: "docker" "inspect" "78a17e9932543b7adec50f600b2dd81bbc316c66b728bf30d9c13c9ae4b39262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a17e9932543b7adec50f600b2dd81bbc316c66b728bf30d9c13c9ae4b39262", kill_on_drop: false }`
[INFO] [stdout] 78a17e9932543b7adec50f600b2dd81bbc316c66b728bf30d9c13c9ae4b39262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e9b41e39e9472f53ad29c12d77d28cee9526977625f5297f4cf4a4d5aecaecd
[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" "6e9b41e39e9472f53ad29c12d77d28cee9526977625f5297f4cf4a4d5aecaecd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsmonkey-2391365354ce7b86
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsmonkey-19892c14f181aef4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_evaluator-ae74202cdda692bd
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test_array_literals ... ok
[INFO] [stdout] test test_eval_bang_operator ... ok
[INFO] [stdout] test test_closures ... ok
[INFO] [stdout] test test_array_index_expressions ... ok
[INFO] [stdout] test test_function_object ... ok
[INFO] [stdout] test test_eval_boolean_expression ... ok
[INFO] [stdout] test test_hash ... ok
[INFO] [stdout] test test_eval_if_else_expression ... ok
[INFO] [stdout] test test_hash_index_expression ... ok
[INFO] [stdout] test test_eval_integer_expression ... ok
[INFO] [stdout] test test_function_application ... ok
[INFO] [stdout] test test_eval_return_statement ... ok
[INFO] [stdout] test test_error_handling ... ok
[INFO] [stdout] test test_string_literal ... ok
[INFO] [stdout] test test_let_statements ... ok
[INFO] [stdout] test test_string_concatenation ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_lexer-1c97245dc49be2fd
[INFO] [stdout] test test_builtin_functions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_object-e38071131fdcf3f1
[INFO] [stdout] test test_next_token ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_parser-76c868b5b8fa6dfb
[INFO] [stdout] test test_empty_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_display_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test_parsing_empty_hash_literal ... ok
[INFO] [stdout] test test_integer_literal_expression ... ok
[INFO] [stdout] test test_if_expression ... ok
[INFO] [stdout] test test_parsing_hash_literals_with_expressions ... ok
[INFO] [stdout] test test_parsing_index_expressions ... ok
[INFO] [stdout] test test_parsing_infix_expressions ... ok
[INFO] [stdout] test test_if_else_expression ... ok
[INFO] [stdout] test test_boolean_literal_expression ... ok
[INFO] [stdout] test test_parsing_array_literal ... ok
[INFO] [stdout] test test_function_literal_parsing ... ok
[INFO] [stdout] test test_parsing_hash_literals_string_keys ... ok
[INFO] [stdout] test test_let_statements ... ok
[INFO] [stdout] test test_function_parameter_parsing ... ok
[INFO] [stdout] test test_operator_precedence_parsing ... ok
[INFO] [stdout] test test_string ... ok
[INFO] [stdout] test test_parsing_prefix_expressions ... ok
[INFO] [stdout] test test_return_statements ... ok
[INFO] [stdout] test test_string_literal_expression ... ok
[INFO] [stdout] test test_call_expression_arsing ... ok
[INFO] [stdout] test test_identifier_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rsmonkey
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/token.rs - token::Token::new (line 24) ... ok
[INFO] [stdout] test src/token.rs - token::Token::get_literal (line 66) ... ok
[INFO] [stdout] test src/token.rs - token::Token::get_token_type (line 88) ... ok
[INFO] [stdout] test src/token.rs - token::Token::is_eof (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e9b41e39e9472f53ad29c12d77d28cee9526977625f5297f4cf4a4d5aecaecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9b41e39e9472f53ad29c12d77d28cee9526977625f5297f4cf4a4d5aecaecd", kill_on_drop: false }`
[INFO] [stdout] 6e9b41e39e9472f53ad29c12d77d28cee9526977625f5297f4cf4a4d5aecaecd