[INFO] cloning repository https://github.com/gengjiawen/monkey_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gengjiawen/monkey_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgengjiawen%2Fmonkey_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgengjiawen%2Fmonkey_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8683cc378a437b1e859e787f13c035a391438277
[INFO] documenting gengjiawen/monkey_rust against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgengjiawen%2Fmonkey_rust" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gengjiawen/monkey_rust on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gengjiawen/monkey_rust
[INFO] finished tweaking git repo https://github.com/gengjiawen/monkey_rust
[INFO] tweaked toml for git repo https://github.com/gengjiawen/monkey_rust written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/gengjiawen/monkey_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-26/source/wasm/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-26/source/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.1.15
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.24
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b0fc41552cf4693ebcdd4542db15f7ed03b96139cce2cbd5416e12e3c5150ef
[INFO] running `Command { std: "docker" "start" "-a" "3b0fc41552cf4693ebcdd4542db15f7ed03b96139cce2cbd5416e12e3c5150ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b0fc41552cf4693ebcdd4542db15f7ed03b96139cce2cbd5416e12e3c5150ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0fc41552cf4693ebcdd4542db15f7ed03b96139cce2cbd5416e12e3c5150ef", kill_on_drop: false }`
[INFO] [stdout] 3b0fc41552cf4693ebcdd4542db15f7ed03b96139cce2cbd5416e12e3c5150ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38ff9de6656bbeabb94725697da50790e694dc5eaa29d7240eafc9f632bf04eb
[INFO] running `Command { std: "docker" "start" "-a" "38ff9de6656bbeabb94725697da50790e694dc5eaa29d7240eafc9f632bf04eb", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/wasm/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.79
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking monkey-lexer v0.8.0 (/opt/rustwide/workdir/lexer)
[INFO] [stderr]  Documenting monkey-lexer v0.8.0 (/opt/rustwide/workdir/lexer)
[INFO] [stderr]     Checking monkey-parser v0.8.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]  Documenting monkey-parser v0.8.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]     Checking monkey-object v0.8.0 (/opt/rustwide/workdir/object)
[INFO] [stderr]  Documenting monkey-wasm v0.8.0 (/opt/rustwide/workdir/wasm)
[INFO] [stderr]  Documenting monkey-object v0.8.0 (/opt/rustwide/workdir/object)
[INFO] [stderr]  Documenting monkey-interpreter v0.8.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stderr]     Checking monkey-compiler v0.8.0 (/opt/rustwide/workdir/compiler)
[INFO] [stderr]     Checking monkey-interpreter v0.8.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stderr]  Documenting monkey-compiler v0.8.0 (/opt/rustwide/workdir/compiler)
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> compiler/vm.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             (Object::Integer(l)) => {
[INFO] [stdout]     |             ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -             (Object::Integer(l)) => {
[INFO] [stdout] 120 +             Object::Integer(l) => {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> compiler/vm.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             (Object::Boolean(l)) => {
[INFO] [stdout]     |             ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -             (Object::Boolean(l)) => {
[INFO] [stdout] 131 +             Object::Boolean(l) => {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> compiler/compiler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> compiler/compiler.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | use parser::lexer::token::{Token, TokenKind};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser::lexer::token::TokenKind::LT`
[INFO] [stdout]  --> compiler/compiler.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use parser::lexer::token::TokenKind::LT;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> compiler/vm.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             (Object::Integer(l)) => {
[INFO] [stdout]     |             ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -             (Object::Integer(l)) => {
[INFO] [stdout] 120 +             Object::Integer(l) => {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> compiler/vm.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             (Object::Boolean(l)) => {
[INFO] [stdout]     |             ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -             (Object::Boolean(l)) => {
[INFO] [stdout] 131 +             Object::Boolean(l) => {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CompilerTestCase`
[INFO] [stdout]   --> compiler/compiler_test.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct CompilerTestCase<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_compiler_test`
[INFO] [stdout]   --> compiler/compiler_test.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn run_compiler_test(tests: Vec<CompilerTestCase>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_constants`
[INFO] [stdout]   --> compiler/compiler_test.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn test_constants(expected: &Vec<Object>, actual: &Vec<Rc<Object>>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_instructions`
[INFO] [stdout]   --> compiler/compiler_test.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn test_instructions(expected: &Vec<Instructions>, actual: &Instructions) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `concat_instructions`
[INFO] [stdout]   --> compiler/compiler_test.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn concat_instructions(expected: &Vec<Instructions>) -> Instructions {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `VmTestCase`
[INFO] [stdout]  --> compiler/vm_test.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct VmTestCase<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> compiler/compiler.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 self.compile_expr(e);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> compiler/compiler.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 self.compile_expr(e);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.66s
[INFO] running `Command { std: "docker" "inspect" "38ff9de6656bbeabb94725697da50790e694dc5eaa29d7240eafc9f632bf04eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ff9de6656bbeabb94725697da50790e694dc5eaa29d7240eafc9f632bf04eb", kill_on_drop: false }`
[INFO] [stdout] 38ff9de6656bbeabb94725697da50790e694dc5eaa29d7240eafc9f632bf04eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] c013ae93ac1557c92d9a5b198557ad80300ca16dac7cbcaffe576f766995bf48
[INFO] running `Command { std: "docker" "start" "-a" "c013ae93ac1557c92d9a5b198557ad80300ca16dac7cbcaffe576f766995bf48", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/wasm/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "c013ae93ac1557c92d9a5b198557ad80300ca16dac7cbcaffe576f766995bf48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c013ae93ac1557c92d9a5b198557ad80300ca16dac7cbcaffe576f766995bf48", kill_on_drop: false }`
[INFO] [stdout] c013ae93ac1557c92d9a5b198557ad80300ca16dac7cbcaffe576f766995bf48