[INFO] cloning repository https://github.com/bdrobinson/monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bdrobinson/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdrobinson%2Fmonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdrobinson%2Fmonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dbe99eedd5375c77c9680f5072212ef924da41b
[INFO] testing bdrobinson/monkey against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdrobinson%2Fmonkey" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bdrobinson/monkey on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bdrobinson/monkey
[INFO] finished tweaking git repo https://github.com/bdrobinson/monkey
[INFO] tweaked toml for git repo https://github.com/bdrobinson/monkey written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/bdrobinson/monkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 045a48d80a930c25c106cdb8b4a9d497fe56b6186f8352e49e2a92961225b8b4
[INFO] running `Command { std: "docker" "start" "-a" "045a48d80a930c25c106cdb8b4a9d497fe56b6186f8352e49e2a92961225b8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "045a48d80a930c25c106cdb8b4a9d497fe56b6186f8352e49e2a92961225b8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045a48d80a930c25c106cdb8b4a9d497fe56b6186f8352e49e2a92961225b8b4", kill_on_drop: false }`
[INFO] [stdout] 045a48d80a930c25c106cdb8b4a9d497fe56b6186f8352e49e2a92961225b8b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d54d9edf3767cfc68cbca41de868639c27b4515cf8391403e5939c2ae379582
[INFO] running `Command { std: "docker" "start" "-a" "9d54d9edf3767cfc68cbca41de868639c27b4515cf8391403e5939c2ae379582", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.1
[INFO] [stderr]    Compiling appendlist v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `last_popped`
[INFO] [stdout]  --> src/vm/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     last_popped: Option<Rc<object::Object<'a>>>,
[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 23.35s
[INFO] running `Command { std: "docker" "inspect" "9d54d9edf3767cfc68cbca41de868639c27b4515cf8391403e5939c2ae379582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d54d9edf3767cfc68cbca41de868639c27b4515cf8391403e5939c2ae379582", kill_on_drop: false }`
[INFO] [stdout] 9d54d9edf3767cfc68cbca41de868639c27b4515cf8391403e5939c2ae379582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60097054a59b7df4ccffbbc54b007a9cbf3e510485def94adba04220e656a496
[INFO] running `Command { std: "docker" "start" "-a" "60097054a59b7df4ccffbbc54b007a9cbf3e510485def94adba04220e656a496", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `last_popped`
[INFO] [stdout]  --> src/vm/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     last_popped: Option<Rc<object::Object<'a>>>,
[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 2.38s
[INFO] running `Command { std: "docker" "inspect" "60097054a59b7df4ccffbbc54b007a9cbf3e510485def94adba04220e656a496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60097054a59b7df4ccffbbc54b007a9cbf3e510485def94adba04220e656a496", kill_on_drop: false }`
[INFO] [stdout] 60097054a59b7df4ccffbbc54b007a9cbf3e510485def94adba04220e656a496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 109929f0a1a8141b34c766135d9ad759416890ec955bce2f0a5ebbb2e89c6364
[INFO] running `Command { std: "docker" "start" "-a" "109929f0a1a8141b34c766135d9ad759416890ec955bce2f0a5ebbb2e89c6364", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `last_popped`
[INFO] [stdout] running 27 tests
[INFO] [stderr]  --> src/vm/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     last_popped: Option<Rc<object::Object<'a>>>,
[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 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey-0c0c5c15f9ca12ab)
[INFO] [stdout] test code::test::test_to_bytes ... ok
[INFO] [stdout] test compiler::test::test_integer_arithmetic ... ok
[INFO] [stdout] test eval::test::test_builtins ... ok
[INFO] [stdout] test eval::test::test_errors ... ok
[INFO] [stdout] test parser::test::test_block_expression ... ok
[INFO] [stdout] test eval::test::test_eval_boolean_expression ... ok
[INFO] [stdout] test eval::test::test_block_expressions ... ok
[INFO] [stdout] test parser::test::test_fn_literal ... ok
[INFO] [stdout] test parser::test::test_return_statements ... ok
[INFO] [stdout] test vm::test::vm_tests ... ok
[INFO] [stdout] test parser::test::test_prefix_expression ... ok
[INFO] [stdout] test parser::test::test_string_literal_expression ... ok
[INFO] [stdout] test parser::test::test_simple_infix_expression ... ok
[INFO] [stdout] test parser::test::test_call_expression ... ok
[INFO] [stdout] test parser::test::test_infix_parens ... ok
[INFO] [stdout] test eval::test::test_let_statements ... ok
[INFO] [stdout] test parser::test::test_let_statements ... ok
[INFO] [stdout] test eval::test::test_eval_integer_expression ... ok
[INFO] [stdout] test eval::test::test_return_statement ... ok
[INFO] [stdout] test eval::test::test_if_expression ... ok
[INFO] [stdout] test eval::test::test_string_literals ... ok
[INFO] [stdout] test parser::test::test_boolean_expression ... ok
[INFO] [stdout] test parser::test::test_if_else_expression ... ok
[INFO] [stdout] test parser::test::test_if_expression ... ok
[INFO] [stdout] test parser::test::test_identifier_expression ... ok
[INFO] [stdout] test eval::test::test_fn_application ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey_cli-51b2e5d35aa6c859)
[INFO] [stdout] test lexer::test::test_next_token ... ok
[INFO] [stderr]    Doc-tests monkey
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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] [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" "109929f0a1a8141b34c766135d9ad759416890ec955bce2f0a5ebbb2e89c6364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109929f0a1a8141b34c766135d9ad759416890ec955bce2f0a5ebbb2e89c6364", kill_on_drop: false }`
[INFO] [stdout] 109929f0a1a8141b34c766135d9ad759416890ec955bce2f0a5ebbb2e89c6364