[INFO] cloning repository https://github.com/Crumbed/CAS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Crumbed/CAS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrumbed%2FCAS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrumbed%2FCAS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32a5bb8106a15ad336a6160e95ce27affe8f847f
[INFO] building Crumbed/CAS against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrumbed%2FCAS" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Crumbed/CAS on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Crumbed/CAS
[INFO] finished tweaking git repo https://github.com/Crumbed/CAS
[INFO] tweaked toml for git repo https://github.com/Crumbed/CAS written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Crumbed/CAS 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5569cd2eda9628fd1bcf7ac8c52ac4bd84acfc9b9709ab25ffe394af8a93984f
[INFO] running `Command { std: "docker" "start" "-a" "5569cd2eda9628fd1bcf7ac8c52ac4bd84acfc9b9709ab25ffe394af8a93984f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5569cd2eda9628fd1bcf7ac8c52ac4bd84acfc9b9709ab25ffe394af8a93984f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5569cd2eda9628fd1bcf7ac8c52ac4bd84acfc9b9709ab25ffe394af8a93984f", kill_on_drop: false }`
[INFO] [stdout] 5569cd2eda9628fd1bcf7ac8c52ac4bd84acfc9b9709ab25ffe394af8a93984f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad9e2b26f2199b5d648f320566bdd58af70e9d2aa609f5a14a587eb444d78214
[INFO] running `Command { std: "docker" "start" "-a" "ad9e2b26f2199b5d648f320566bdd58af70e9d2aa609f5a14a587eb444d78214", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `equation`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod equation;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `equation`, create file "src/equation.rs" or "src/equation/mod.rs"
[INFO] [stdout]   = note: if there is a `mod equation` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `err`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod err;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `err`, create file "src/err.rs" or "src/err/mod.rs"
[INFO] [stdout]   = note: if there is a `mod err` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/interpreter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/interpreter.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `VarUndefined` in this scope
[INFO] [stdout]    --> src/interpreter.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |             None => Err(VarUndefined(var.id.clone()))
[INFO] [stdout]     |                         ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FnUndefined` in this scope
[INFO] [stdout]    --> src/interpreter.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 |             None => Err(FnUndefined(id.to_string(), args.len()))
[INFO] [stdout]     |                         ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `FnUndefined` in this scope
[INFO] [stdout]    --> src/interpreter.rs:186:32
[INFO] [stdout]     |
[INFO] [stdout] 186 |         if !is_fn { return Err(FnUndefined("".into(), 0)); }
[INFO] [stdout]     |                                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `InvalidFnDec` in this scope
[INFO] [stdout]    --> src/interpreter.rs:243:40
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 if !valid { return Err(InvalidFnDec(values)); }
[INFO] [stdout]     |                                        ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `InvalidFnDec` in this scope
[INFO] [stdout]    --> src/interpreter.rs:246:29
[INFO] [stdout]     |
[INFO] [stdout] 246 |             _ => return Err(InvalidFnDec(vec!["Expression".into()]))
[INFO] [stdout]     |                             ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `SolveFor` in this scope
[INFO] [stdout]    --> src/interpreter.rs:267:28
[INFO] [stdout]     |
[INFO] [stdout] 267 |                 return Err(SolveFor("Unable to solve for variables because all variables have already been declared".into()));
[INFO] [stdout]     |                            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `VarUndefined` in this scope
[INFO] [stdout]    --> src/interpreter.rs:357:25
[INFO] [stdout]     |
[INFO] [stdout] 357 |             None => Err(VarUndefined(ident.to_string()))
[INFO] [stdout]     |                         ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `node` is never read
[INFO] [stdout]    --> src/parser.rs:381:17
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let mut node = AstNode::Void;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:394:13
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let mut has_next = self.at < self.tokens.len() - 1;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calculator` (bin "calculator") due to 9 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ad9e2b26f2199b5d648f320566bdd58af70e9d2aa609f5a14a587eb444d78214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9e2b26f2199b5d648f320566bdd58af70e9d2aa609f5a14a587eb444d78214", kill_on_drop: false }`
[INFO] [stdout] ad9e2b26f2199b5d648f320566bdd58af70e9d2aa609f5a14a587eb444d78214
