[INFO] fetching crate mdl_monkey 1.0.0...
[INFO] testing mdl_monkey-1.0.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate mdl_monkey 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mdl_monkey 1.0.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdl_monkey 1.0.0
[INFO] finished tweaking crates.io crate mdl_monkey 1.0.0
[INFO] tweaked toml for crates.io crate mdl_monkey 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mdl_monkey 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] 8bd924c6192aa35cdf0a960c22c547900e0854bf82532b5896208e881cefcc6d
[INFO] running `Command { std: "docker" "start" "-a" "8bd924c6192aa35cdf0a960c22c547900e0854bf82532b5896208e881cefcc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd924c6192aa35cdf0a960c22c547900e0854bf82532b5896208e881cefcc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd924c6192aa35cdf0a960c22c547900e0854bf82532b5896208e881cefcc6d", kill_on_drop: false }`
[INFO] [stdout] 8bd924c6192aa35cdf0a960c22c547900e0854bf82532b5896208e881cefcc6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed8e913d64352ca6c1d2e9121048a75f12948cba5a7bfd154bd9d02c5765d144
[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" "ed8e913d64352ca6c1d2e9121048a75f12948cba5a7bfd154bd9d02c5765d144", kill_on_drop: false }`
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling mdl_monkey v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "ed8e913d64352ca6c1d2e9121048a75f12948cba5a7bfd154bd9d02c5765d144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8e913d64352ca6c1d2e9121048a75f12948cba5a7bfd154bd9d02c5765d144", kill_on_drop: false }`
[INFO] [stdout] ed8e913d64352ca6c1d2e9121048a75f12948cba5a7bfd154bd9d02c5765d144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af2d94ca82b89987d1c78e856691dbc98540d2b5b2bdfa47e82b2253c4f7e3f
[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" "3af2d94ca82b89987d1c78e856691dbc98540d2b5b2bdfa47e82b2253c4f7e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdl_monkey v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/evaluator.rs:289:57
[INFO] [stdout]     |
[INFO] [stdout] 289 |     .expect_err("expected an error but none was found");;
[INFO] [stdout]     |                                                         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 5.11s
[INFO] running `Command { std: "docker" "inspect" "3af2d94ca82b89987d1c78e856691dbc98540d2b5b2bdfa47e82b2253c4f7e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af2d94ca82b89987d1c78e856691dbc98540d2b5b2bdfa47e82b2253c4f7e3f", kill_on_drop: false }`
[INFO] [stdout] 3af2d94ca82b89987d1c78e856691dbc98540d2b5b2bdfa47e82b2253c4f7e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed5544f2da0b62c2b88e7a9363a3ab7b40fcead9fa41154b3ca05855fb224c04
[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" "ed5544f2da0b62c2b88e7a9363a3ab7b40fcead9fa41154b3ca05855fb224c04", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/evaluator.rs:289:57
[INFO] [stderr]     |
[INFO] [stderr] 289 |     .expect_err("expected an error but none was found");;
[INFO] [stderr]     |                                                         ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdl_monkey-dc08a014e219c6d3
[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/monkey-e64450cbfbc50792
[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/ast-e6b0741a7d8a2d02
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ast_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/evaluator-fa108522d9087efa
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test evaluate_builtin_rest_errors ... ok
[INFO] [stdout] test evaluate_builtin_rest ... ok
[INFO] [stdout] test evaluate_float_expression ... ok
[INFO] [stdout] test evaluate_builtin_push_errors ... ok
[INFO] [stdout] test evaluate_builtin_first_errors ... ok
[INFO] [stdout] test evaluate_array_index_objects ... ok
[INFO] [stdout] test evaluate_builtin_last_errors ... ok
[INFO] [stdout] test evaluate_function_object ... ok
[INFO] [stdout] test evaluate_function_application_error ... ok
[INFO] [stdout] test evaluate_hash_index_objects ... ok
[INFO] [stdout] test evaluate_builtin_last ... ok
[INFO] [stdout] test evaluate_index_objects_errors ... ok
[INFO] [stdout] test evaluate_integer_expression ... ok
[INFO] [stdout] test evaluate_prefix_expression ... ok
[INFO] [stdout] test evaluate_string_expression ... ok
[INFO] [stdout] test evaluate_function_application ... ok
[INFO] [stdout] test evaluate_return_statement ... ok
[INFO] [stdout] test evaluate_if_expression ... ok
[INFO] [stdout] test evaluate_builtin_first ... ok
[INFO] [stdout] test evaluate_boolean_expression ... ok
[INFO] [stdout] test evaluate_array_object ... ok
[INFO] [stdout] test evaluate_builtin_push ... ok
[INFO] [stdout] test evaluate_hash_objects ... ok
[INFO] [stdout] test evaluate_let_statement ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lexer-6b8f8484a5f2cfa5
[INFO] [stdout] test evaluate_builtin_len_errors ... ok
[INFO] [stdout] test evaluate_builtin_len ... ok
[INFO] [stdout] test evaluate_let_statement_unknown_identifier ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lex_illegal_number_radix ... ok
[INFO] [stdout] test lex_string_unexpected_eof ... ok
[INFO] [stdout] test lex_illegal_number ... ok
[INFO] [stdout] test lex_integer_literals ... ok
[INFO] [stdout] test lex_next_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parser-6c8fad7f618cebb5
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test parse_float_literal_expression ... ok
[INFO] [stdout] test parse_prefix_boolean_expressions ... ok
[INFO] [stdout] test parse_infix_boolean_expressions ... ok
[INFO] [stdout] test parse_array_literal ... ok
[INFO] [stdout] test parse_identifier_expression ... ok
[INFO] [stdout] test parse_infix_integer_expressions ... ok
[INFO] [stdout] test parse_prefix_integer_expressions ... ok
[INFO] [stdout] test parse_statements ... ok
[INFO] [stdout] test parse_if_expressions ... ok
[INFO] [stdout] test parse_call_expressions ... ok
[INFO] [stdout] test parse_string_expression ... ok
[INFO] [stdout] test parse_integer_literal_expression ... ok
[INFO] [stdout] test parse_hash_expressions ... ok
[INFO] [stdout] test parse_operator_precedence ... ok
[INFO] [stdout] test parse_function_literals ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/token-6315fdfc87afc38f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test token_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdl_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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed5544f2da0b62c2b88e7a9363a3ab7b40fcead9fa41154b3ca05855fb224c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5544f2da0b62c2b88e7a9363a3ab7b40fcead9fa41154b3ca05855fb224c04", kill_on_drop: false }`
[INFO] [stdout] ed5544f2da0b62c2b88e7a9363a3ab7b40fcead9fa41154b3ca05855fb224c04