[INFO] cloning repository https://github.com/kdnakt/rmonkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kdnakt/rmonkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnakt%2Frmonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnakt%2Frmonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8daf98e0ffd960a0c223d674a6402bfe74406f5
[INFO] testing kdnakt/rmonkey against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnakt%2Frmonkey" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kdnakt/rmonkey
[INFO] finished tweaking git repo https://github.com/kdnakt/rmonkey
[INFO] tweaked toml for git repo https://github.com/kdnakt/rmonkey written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kdnakt/rmonkey on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kdnakt/rmonkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded whoami v1.1.5
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded bumpalo v3.8.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91a28c91e076e1d4f0cafad92ec4a30cad49b29fa20d66af7c2008c850b35597
[INFO] running `Command { std: "docker" "start" "-a" "91a28c91e076e1d4f0cafad92ec4a30cad49b29fa20d66af7c2008c850b35597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91a28c91e076e1d4f0cafad92ec4a30cad49b29fa20d66af7c2008c850b35597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a28c91e076e1d4f0cafad92ec4a30cad49b29fa20d66af7c2008c850b35597", kill_on_drop: false }`
[INFO] [stdout] 91a28c91e076e1d4f0cafad92ec4a30cad49b29fa20d66af7c2008c850b35597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 588421e0e66e2c3fde825b8da573de6eae5b6dba8e3f4141e0b88472b494cd93
[INFO] running `Command { std: "docker" "start" "-a" "588421e0e66e2c3fde825b8da573de6eae5b6dba8e3f4141e0b88472b494cd93", kill_on_drop: false }`
[INFO] [stderr]    Compiling whoami v1.1.5
[INFO] [stderr]    Compiling rmonkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parameters`
[INFO] [stdout]   --> src/object.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Function{parameters, body, ..} => {
[INFO] [stdout]    |                      ^^^^^^^^^^ help: try ignoring the field: `parameters: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/object.rs:64:34
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Function{parameters, body, ..} => {
[INFO] [stdout]    |                                  ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             _ => None,
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             ExpressionStatement{expression, ..} => eval_expression(expression, env),
[INFO] [stdout]    |             ----------------------------------- matches some of the same values
[INFO] [stdout] 20 |             BlockStatement{statements, ..} => eval_statements(statements, env),
[INFO] [stdout]    |             ------------------------------ matches some of the same values
[INFO] [stdout] 21 |             ReturnStatement{return_value, ..} => {
[INFO] [stdout]    |             --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 25 |             LetStatement{value, name, ..} => {
[INFO] [stdout]    |             ----------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 39 |             _ => None,
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is never used
[INFO] [stdout]  --> src/ast.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait Node {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expression` is never constructed
[INFO] [stdout]   --> src/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum AstNode {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Expression {
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PrefixParseFn` is never used
[INFO] [stdout]   --> src/parser.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum PrefixParseFn {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "588421e0e66e2c3fde825b8da573de6eae5b6dba8e3f4141e0b88472b494cd93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588421e0e66e2c3fde825b8da573de6eae5b6dba8e3f4141e0b88472b494cd93", kill_on_drop: false }`
[INFO] [stdout] 588421e0e66e2c3fde825b8da573de6eae5b6dba8e3f4141e0b88472b494cd93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb1f64a041186eabb457f34c4ade72a691c04800f1d2324121153988bfc4bdb7
[INFO] running `Command { std: "docker" "start" "-a" "fb1f64a041186eabb457f34c4ade72a691c04800f1d2324121153988bfc4bdb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmonkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parameters`
[INFO] [stdout]   --> src/object.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Function{parameters, body, ..} => {
[INFO] [stdout]    |                      ^^^^^^^^^^ help: try ignoring the field: `parameters: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/object.rs:64:34
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Function{parameters, body, ..} => {
[INFO] [stdout]    |                                  ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             _ => None,
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             ExpressionStatement{expression, ..} => eval_expression(expression, env),
[INFO] [stdout]    |             ----------------------------------- matches some of the same values
[INFO] [stdout] 20 |             BlockStatement{statements, ..} => eval_statements(statements, env),
[INFO] [stdout]    |             ------------------------------ matches some of the same values
[INFO] [stdout] 21 |             ReturnStatement{return_value, ..} => {
[INFO] [stdout]    |             --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 25 |             LetStatement{value, name, ..} => {
[INFO] [stdout]    |             ----------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 39 |             _ => None,
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Expression` is never constructed
[INFO] [stdout]   --> src/ast.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum AstNode {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Expression {
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PrefixParseFn` is never used
[INFO] [stdout]   --> src/parser.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum PrefixParseFn {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "fb1f64a041186eabb457f34c4ade72a691c04800f1d2324121153988bfc4bdb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1f64a041186eabb457f34c4ade72a691c04800f1d2324121153988bfc4bdb7", kill_on_drop: false }`
[INFO] [stdout] fb1f64a041186eabb457f34c4ade72a691c04800f1d2324121153988bfc4bdb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6390455d64877f62b533746e751550036b81625dd8bd58e7016584a89c59b21
[INFO] running `Command { std: "docker" "start" "-a" "a6390455d64877f62b533746e751550036b81625dd8bd58e7016584a89c59b21", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `parameters`
[INFO] [stderr]   --> src/object.rs:64:22
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Function{parameters, body, ..} => {
[INFO] [stderr]    |                      ^^^^^^^^^^ help: try ignoring the field: `parameters: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]   --> src/object.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Function{parameters, body, ..} => {
[INFO] [stderr]    |                                  ^^^^ help: try ignoring the field: `body: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/evaluator.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             _ => None,
[INFO] [stderr]    |             ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> src/evaluator.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             ExpressionStatement{expression, ..} => eval_expression(expression, env),
[INFO] [stderr]    |             ----------------------------------- matches some of the same values
[INFO] [stderr] 20 |             BlockStatement{statements, ..} => eval_statements(statements, env),
[INFO] [stderr]    |             ------------------------------ matches some of the same values
[INFO] [stderr] 21 |             ReturnStatement{return_value, ..} => {
[INFO] [stderr]    |             --------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 25 |             LetStatement{value, name, ..} => {
[INFO] [stderr]    |             ----------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 39 |             _ => None,
[INFO] [stderr]    |             ^ collectively making this unreachable
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Expression` is never constructed
[INFO] [stderr]   --> src/ast.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum AstNode {
[INFO] [stderr]    |          ------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 18 |     Expression {
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `PrefixParseFn` is never used
[INFO] [stderr]   --> src/parser.rs:55:6
[INFO] [stderr]    |
[INFO] [stderr] 55 | enum PrefixParseFn {
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rmonkey` (bin "rmonkey" test) generated 5 warnings (run `cargo fix --bin "rmonkey" -p rmonkey --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rmonkey-04cd7331afadd415)
[INFO] [stdout] running 25 tests
[INFO] [stdout] test ast::tests::it_returns_string ... ok
[INFO] [stdout] test evaluator::tests::it_eval_boolean_expression ... ok
[INFO] [stdout] test evaluator::tests::it_eval_error_handling ... ok
[INFO] [stdout] test evaluator::tests::it_eval_function_object ... ok
[INFO] [stdout] test evaluator::tests::it_eval_integer_expression ... ok
[INFO] [stdout] test evaluator::tests::it_evaluates_bang_operator ... ok
[INFO] [stdout] test evaluator::tests::it_eval_return_statement ... ok
[INFO] [stdout] test lexer::tests::it_gets_next_token ... ok
[INFO] [stdout] test parser::tests::it_parses_function_literal ... ok
[INFO] [stdout] test parser::tests::it_parses_call_expression ... ok
[INFO] [stdout] test parser::tests::it_parses_boolean_expression ... ok
[INFO] [stdout] test parser::tests::it_parses_function_parameter ... ok
[INFO] [stdout] test parser::tests::it_parses_identifier_expression ... ok
[INFO] [stdout] test parser::tests::it_parses_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::it_parses_infix_expressions ... ok
[INFO] [stdout] test parser::tests::it_parses_prefix_expressions ... ok
[INFO] [stdout] test parser::tests::it_parses_let_statements ... ok
[INFO] [stdout] test token::tests::it_displays_token ... ok
[INFO] [stdout] test parser::tests::it_parses_return_statements ... ok
[INFO] [stdout] test parser::tests::it_parses_operator_precedence ... ok
[INFO] [stdout] test parser::tests::it_parses_if_statement ... ok
[INFO] [stdout] test evaluator::tests::it_eval_if_else_expression ... ok
[INFO] [stdout] test parser::tests::it_parses_infix_bool_expressions ... ok
[INFO] [stdout] test evaluator::tests::it_eval_function_application ... FAILED
[INFO] [stdout] test evaluator::tests::it_eval_let_statements ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- evaluator::tests::it_eval_function_application stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'evaluator::tests::it_eval_function_application' (27) panicked at src/evaluator.rs:408:13:
[INFO] [stdout] object is not Integer. got=None
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6347953cb282 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6347953cb282 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6347953cb282 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6347953cb282 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6347953db2ff - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6347953db2ff - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x634795398b13 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x634795398b13 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6347953a49e2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6347953a951f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6347953a93b1 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x63479536c51e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x63479536c51e - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6347953a9b2f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x6347953a9b2f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x6347953a998a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x6347953a4b29 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x63479538d40d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x6347953e3250 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x63479532c6ce - rmonkey::evaluator::tests::test_integer_object::hd911e50afebaf599
[INFO] [stdout]                                at /opt/rustwide/workdir/src/evaluator.rs:408:13
[INFO] [stdout]   20:     0x63479532d823 - rmonkey::evaluator::tests::it_eval_function_application::hf2965bf8a22fac9c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/evaluator.rs:383:13
[INFO] [stdout]   21:     0x63479532d847 - rmonkey::evaluator::tests::it_eval_function_application::{{closure}}::hd9a50c57c786fdad
[INFO] [stdout]                                at /opt/rustwide/workdir/src/evaluator.rs:374:38
[INFO] [stdout]   22:     0x63479532ebf6 - core::ops::function::FnOnce::call_once::hb491873b9f7b10b0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x63479536c2fb - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x63479536c2fb - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stderr] error: test failed, to rerun pass `--bin rmonkey`
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x63479538037d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x63479538037d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x63479538037d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x63479538037d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x63479538037d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x63479538037d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x63479538037d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x634795359894 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x634795359894 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x63479535d1ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   35:     0x63479535d1ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x63479535d1ca - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x63479535d1ca - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x63479535d1ca - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x63479535d1ca - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   40:     0x63479535d1ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x63479539ff1f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   42:     0x63479539ff1f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   43:     0x76e94c183aa4 - <unknown>
[INFO] [stdout]   44:     0x76e94c210a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     evaluator::tests::it_eval_function_application
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 24 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6390455d64877f62b533746e751550036b81625dd8bd58e7016584a89c59b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6390455d64877f62b533746e751550036b81625dd8bd58e7016584a89c59b21", kill_on_drop: false }`
[INFO] [stdout] a6390455d64877f62b533746e751550036b81625dd8bd58e7016584a89c59b21
