[INFO] cloning repository https://github.com/ProCode2/MonkeyInterpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ProCode2/MonkeyInterpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProCode2%2FMonkeyInterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProCode2%2FMonkeyInterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3aefa0af731097b4c68d44cb4ba6177d0e42c923
[INFO] testing ProCode2/MonkeyInterpreter against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProCode2%2FMonkeyInterpreter" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProCode2/MonkeyInterpreter on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ProCode2/MonkeyInterpreter
[INFO] finished tweaking git repo https://github.com/ProCode2/MonkeyInterpreter
[INFO] tweaked toml for git repo https://github.com/ProCode2/MonkeyInterpreter written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ProCode2/MonkeyInterpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 347cee3b44bb4d8b3c4be090507ededf2606a6b2564eddbba59d30f9d6b77ec0
[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" "347cee3b44bb4d8b3c4be090507ededf2606a6b2564eddbba59d30f9d6b77ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "347cee3b44bb4d8b3c4be090507ededf2606a6b2564eddbba59d30f9d6b77ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347cee3b44bb4d8b3c4be090507ededf2606a6b2564eddbba59d30f9d6b77ec0", kill_on_drop: false }`
[INFO] [stdout] 347cee3b44bb4d8b3c4be090507ededf2606a6b2564eddbba59d30f9d6b77ec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", 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] 08a0f2544475410b787da140f20ca0f27db630895ae31013e809cf64a073f356
[INFO] running `Command { std: "docker" "start" "-a" "08a0f2544475410b787da140f20ca0f27db630895ae31013e809cf64a073f356", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `parse_expression_statement` found for mutable reference `&mut Parser` in the current scope
[INFO] [stdout]   --> src/parser.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |       _ => self.parse_expression_statement(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `parse_return_statement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "08a0f2544475410b787da140f20ca0f27db630895ae31013e809cf64a073f356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a0f2544475410b787da140f20ca0f27db630895ae31013e809cf64a073f356", kill_on_drop: false }`
[INFO] [stdout] 08a0f2544475410b787da140f20ca0f27db630895ae31013e809cf64a073f356