[INFO] cloning repository https://github.com/johnshiver/rust-monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnshiver/rust-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnshiver%2Frust-monkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnshiver%2Frust-monkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2ea2c7063918b7092e09ad5fa9796807f7a1683
[INFO] checking johnshiver/rust-monkey against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnshiver%2Frust-monkey" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnshiver/rust-monkey on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnshiver/rust-monkey
[INFO] finished tweaking git repo https://github.com/johnshiver/rust-monkey
[INFO] tweaked toml for git repo https://github.com/johnshiver/rust-monkey written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/johnshiver/rust-monkey 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cf83a136ee6eaab2869d1fa229c200b4d5ca3a1c2314b95cd3933b4a1097f38
[INFO] running `Command { std: "docker" "start" "-a" "6cf83a136ee6eaab2869d1fa229c200b4d5ca3a1c2314b95cd3933b4a1097f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cf83a136ee6eaab2869d1fa229c200b4d5ca3a1c2314b95cd3933b4a1097f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf83a136ee6eaab2869d1fa229c200b4d5ca3a1c2314b95cd3933b4a1097f38", kill_on_drop: false }`
[INFO] [stdout] 6cf83a136ee6eaab2869d1fa229c200b4d5ca3a1c2314b95cd3933b4a1097f38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d169ab2740b7971ef3d91ff6203dc12d01f9400a485d46af966929e973a11c01
[INFO] running `Command { std: "docker" "start" "-a" "d169ab2740b7971ef3d91ff6203dc12d01f9400a485d46af966929e973a11c01", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `RC`
[INFO] [stdout]    --> src/eval.rs:116:66
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let func = match eval_expression(&call_exp.function, RC::clone(&env)) {
[INFO] [stdout]     |                                                                  ^^
[INFO] [stdout]     |                                                                  |
[INFO] [stdout]     |                                                                  use of undeclared type `RC`
[INFO] [stdout]     |                                                                  help: a struct with a similar name exists (notice the capitalization): `Rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/eval.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             match func {
[INFO] [stdout]     |                   ---- this expression has type `Rc<Object>`
[INFO] [stdout] 121 |                 Object::Function(func) => {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ expected `Rc<Object>`, found `Object`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Rc<Object>`
[INFO] [stdout]                  found enum `Object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/eval.rs:121:43
[INFO] [stdout]     |
[INFO] [stdout] 121 |                   Object::Function(func) => {
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 122 | |                     // eval arguments
[INFO] [stdout] 123 | |                     //
[INFO] [stdout] 124 | |                 }
[INFO] [stdout]     | |_________________^ expected `Result<Rc<Object>, EvalError>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<Rc<Object>, EvalError>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `RC`
[INFO] [stdout]    --> src/eval.rs:116:66
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let func = match eval_expression(&call_exp.function, RC::clone(&env)) {
[INFO] [stdout]     |                                                                  ^^
[INFO] [stdout]     |                                                                  |
[INFO] [stdout]     |                                                                  use of undeclared type `RC`
[INFO] [stdout]     |                                                                  help: a struct with a similar name exists (notice the capitalization): `Rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/eval.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             match func {
[INFO] [stdout]     |                   ---- this expression has type `Rc<Object>`
[INFO] [stdout] 121 |                 Object::Function(func) => {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ expected `Rc<Object>`, found `Object`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Rc<Object>`
[INFO] [stdout]                  found enum `Object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/eval.rs:121:43
[INFO] [stdout]     |
[INFO] [stdout] 121 |                   Object::Function(func) => {
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 122 | |                     // eval arguments
[INFO] [stdout] 123 | |                     //
[INFO] [stdout] 124 | |                 }
[INFO] [stdout]     | |_________________^ expected `Result<Rc<Object>, EvalError>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<Rc<Object>, EvalError>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey` (bin "monkey") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey` (bin "monkey" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "d169ab2740b7971ef3d91ff6203dc12d01f9400a485d46af966929e973a11c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d169ab2740b7971ef3d91ff6203dc12d01f9400a485d46af966929e973a11c01", kill_on_drop: false }`
[INFO] [stdout] d169ab2740b7971ef3d91ff6203dc12d01f9400a485d46af966929e973a11c01