[INFO] cloning repository https://github.com/AshhKetchup/micrograd-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AshhKetchup/micrograd-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshhKetchup%2Fmicrograd-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshhKetchup%2Fmicrograd-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 868fda32f00021780eae52ec9174569e95461659
[INFO] checking AshhKetchup/micrograd-rust against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshhKetchup%2Fmicrograd-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AshhKetchup/micrograd-rust
[INFO] finished tweaking git repo https://github.com/AshhKetchup/micrograd-rust
[INFO] tweaked toml for git repo https://github.com/AshhKetchup/micrograd-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AshhKetchup/micrograd-rust on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AshhKetchup/micrograd-rust 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: editor
[INFO] [stderr] warning: `micrograd` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4ec400870a163c924bf54a1a7b0425150f9bd22683b7bfa8a57eebad5aa5d3a6
[INFO] running `Command { std: "docker" "start" "4ec400870a163c924bf54a1a7b0425150f9bd22683b7bfa8a57eebad5aa5d3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ec400870a163c924bf54a1a7b0425150f9bd22683b7bfa8a57eebad5aa5d3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4ec400870a163c924bf54a1a7b0425150f9bd22683b7bfa8a57eebad5aa5d3a6" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ec400870a163c924bf54a1a7b0425150f9bd22683b7bfa8a57eebad5aa5d3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4ec400870a163c924bf54a1a7b0425150f9bd22683b7bfa8a57eebad5aa5d3a6" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: editor
[INFO] [stderr] warning: `micrograd` (manifest) generated 1 warning
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling aws-lc-rs v1.18.1
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]     Checking zeroize v1.9.0
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking futures-task v0.3.34
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]     Checking indexmap v2.14.2
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking ipnet v2.12.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking rustls-pki-types v1.15.1
[INFO] [stderr]     Checking futures-util v0.3.34
[INFO] [stderr]    Compiling cc v1.4.5
[INFO] [stderr]     Checking rustls-native-certs v0.8.4
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling aws-lc-sys v0.45.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.6
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]     Checking zerofrom v0.1.8
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]     Checking zerovec v0.11.8
[INFO] [stderr]     Checking zerotrie v0.2.5
[INFO] [stderr]     Checking tokio-util v0.7.19
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]     Checking potential_utf v0.1.6
[INFO] [stderr]     Checking icu_collections v2.3.0
[INFO] [stderr]     Checking h2 v0.4.19
[INFO] [stderr]     Checking icu_locale_core v2.3.0
[INFO] [stderr]     Checking icu_provider v2.3.1
[INFO] [stderr]     Checking icu_properties v2.3.0
[INFO] [stderr]     Checking icu_normalizer v2.3.0
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking hyper v1.11.1
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking tower-http v0.6.11
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking rustls-webpki v0.103.15
[INFO] [stderr]     Checking tokio-rustls v0.26.5
[INFO] [stderr]     Checking rustls-platform-verifier v0.7.0
[INFO] [stderr]     Checking hyper-rustls v0.27.9
[INFO] [stderr]     Checking reqwest v0.13.4
[INFO] [stderr]     Checking micrograd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `none` in this scope
[INFO] [stdout]   --> src/main.rs:58:42
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let b = Rc::new(Value::new(10, None, none));
[INFO] [stdout]    |                                          ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] note: similarly named unit variant `None` defined here
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/option.rs:602:4
[INFO] [stdout] help: a unit variant with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let b = Rc::new(Value::new(10, None, none));
[INFO] [stdout] 58 +     let b = Rc::new(Value::new(10, None, None));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0117]: only traits defined in the current crate can be implemented for types defined outside of the crate
[INFO] [stdout]   --> src/main.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Add for ValueRef {
[INFO] [stdout]    | ^^^^^---^^^^^--------
[INFO] [stdout]    |      |       |
[INFO] [stdout]    |      |       `Rc` is not defined in the current crate
[INFO] [stdout]    |      this is not defined in the current crate because this is a foreign trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: impl doesn't have any local type before any uncovered type parameters
[INFO] [stdout]    = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules
[INFO] [stdout]    = note: define and implement a trait or new type instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `none` in this scope
[INFO] [stdout]   --> src/main.rs:58:42
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let b = Rc::new(Value::new(10, None, none));
[INFO] [stdout]    |                                          ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] note: similarly named unit variant `None` defined here
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/option.rs:602:4
[INFO] [stdout] help: a unit variant with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let b = Rc::new(Value::new(10, None, none));
[INFO] [stdout] 58 +     let b = Rc::new(Value::new(10, None, None));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0117]: only traits defined in the current crate can be implemented for types defined outside of the crate
[INFO] [stdout]   --> src/main.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Add for ValueRef {
[INFO] [stdout]    | ^^^^^---^^^^^--------
[INFO] [stdout]    |      |       |
[INFO] [stdout]    |      |       `Rc` is not defined in the current crate
[INFO] [stdout]    |      this is not defined in the current crate because this is a foreign trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: impl doesn't have any local type before any uncovered type parameters
[INFO] [stdout]    = note: for more information see https://doc.rust-lang.org/reference/items/implementations.html#orphan-rules
[INFO] [stdout]    = note: define and implement a trait or new type instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this enum variant takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout]    |             ^^^^                                           ------------- unexpected argument #2 of type `Option<Op>`
[INFO] [stdout]    |
[INFO] [stdout] note: expected `Vec<Rc<RefCell<Value>>>`, found `Rc<RefCell<Vec<Rc<RefCell<Value>>>>>`
[INFO] [stdout]   --> src/main.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: expected struct `Vec<Rc<RefCell<Value>>>`
[INFO] [stdout]               found struct `Rc<RefCell<Vec<Rc<RefCell<Value>>>>>`
[INFO] [stdout] help: the type constructed contains `Rc<RefCell<Vec<Rc<RefCell<Value>>>>>` due to the type of the argument passed
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout]    |             ^^^^^----------------------------------------^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/option.rs:606:4
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 40 -             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout] 40 +             Some(/* Vec<Rc<RefCell<Value>>> */),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |           Value::new(
[INFO] [stdout]    |  _________^^^^^^^^^^-
[INFO] [stdout] 39 | |             data,
[INFO] [stdout] 40 | |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout] 41 | |         )
[INFO] [stdout]    | |_________- argument #3 of type `Option<Op>` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(data: i32, parents: Option<Vec<ValueRef>>, op: Option<Op>) -> ValueRef {
[INFO] [stdout]    |        ^^^                                            --------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Value::new(
[INFO] [stdout] 39 |             data,
[INFO] [stdout] 40 |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout] 41 ~             /* Option<Op> */,
[INFO] [stdout] 42 ~         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Some(vec![self, other]),
[INFO] [stdout]    |                       ^^^^ expected `Rc<RefCell<Value>>`, found `Value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Rc<RefCell<Value>>`
[INFO] [stdout]               found struct `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |       fn mul(self, other: Value) -> Value {
[INFO] [stdout]    |                                     ----- expected `Value` because of return type
[INFO] [stdout] 48 | /         Value::new(
[INFO] [stdout] 49 | |             self.data * other.data,
[INFO] [stdout] 50 | |             Some(vec![self, other]),
[INFO] [stdout] 51 | |             Some(Op::Mul),
[INFO] [stdout] 52 | |         )
[INFO] [stdout]    | |_________^ expected `Value`, found `Rc<RefCell<Value>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Value`
[INFO] [stdout]               found struct `Rc<RefCell<Value>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot multiply `Rc<Rc<RefCell<Value>>>` by `Rc<Rc<RefCell<Value>>>`
[INFO] [stdout]   --> src/main.rs:59:27
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let d = Rc::clone(&a) * Rc::clone(&b);
[INFO] [stdout]    |             ------------- ^ ------------- Rc<Rc<RefCell<Value>>>
[INFO] [stdout]    |             |
[INFO] [stdout]    |             Rc<Rc<RefCell<Value>>>
[INFO] [stdout]    |
[INFO] [stdout] note: `Rc<Rc<RefCell<Value>>>` does not implement `Mul`
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/alloc/src/rcs/rc.rs:325:0
[INFO] [stdout]   ::: /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/alloc/src/rcs/rc.rs:331:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rc<Rc<RefCell<Value>>>` is defined in another crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0117, E0308, E0369, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micrograd` (bin "micrograd") due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0061]: this enum variant takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout]    |             ^^^^                                           ------------- unexpected argument #2 of type `Option<Op>`
[INFO] [stdout]    |
[INFO] [stdout] note: expected `Vec<Rc<RefCell<Value>>>`, found `Rc<RefCell<Vec<Rc<RefCell<Value>>>>>`
[INFO] [stdout]   --> src/main.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: expected struct `Vec<Rc<RefCell<Value>>>`
[INFO] [stdout]               found struct `Rc<RefCell<Vec<Rc<RefCell<Value>>>>>`
[INFO] [stdout] help: the type constructed contains `Rc<RefCell<Vec<Rc<RefCell<Value>>>>>` due to the type of the argument passed
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout]    |             ^^^^^----------------------------------------^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/option.rs:606:4
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 40 -             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout] 40 +             Some(/* Vec<Rc<RefCell<Value>>> */),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |           Value::new(
[INFO] [stdout]    |  _________^^^^^^^^^^-
[INFO] [stdout] 39 | |             data,
[INFO] [stdout] 40 | |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout] 41 | |         )
[INFO] [stdout]    | |_________- argument #3 of type `Option<Op>` is missing
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(data: i32, parents: Option<Vec<ValueRef>>, op: Option<Op>) -> ValueRef {
[INFO] [stdout]    |        ^^^                                            --------------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Value::new(
[INFO] [stdout] 39 |             data,
[INFO] [stdout] 40 |             Some(Rc::new(RefCell::new(vec![self, other])), Some(Op::Add)),
[INFO] [stdout] 41 ~             /* Option<Op> */,
[INFO] [stdout] 42 ~         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Some(vec![self, other]),
[INFO] [stdout]    |                       ^^^^ expected `Rc<RefCell<Value>>`, found `Value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Rc<RefCell<Value>>`
[INFO] [stdout]               found struct `Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |       fn mul(self, other: Value) -> Value {
[INFO] [stdout]    |                                     ----- expected `Value` because of return type
[INFO] [stdout] 48 | /         Value::new(
[INFO] [stdout] 49 | |             self.data * other.data,
[INFO] [stdout] 50 | |             Some(vec![self, other]),
[INFO] [stdout] 51 | |             Some(Op::Mul),
[INFO] [stdout] 52 | |         )
[INFO] [stdout]    | |_________^ expected `Value`, found `Rc<RefCell<Value>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Value`
[INFO] [stdout]               found struct `Rc<RefCell<Value>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot multiply `Rc<Rc<RefCell<Value>>>` by `Rc<Rc<RefCell<Value>>>`
[INFO] [stdout]   --> src/main.rs:59:27
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let d = Rc::clone(&a) * Rc::clone(&b);
[INFO] [stdout]    |             ------------- ^ ------------- Rc<Rc<RefCell<Value>>>
[INFO] [stdout]    |             |
[INFO] [stdout]    |             Rc<Rc<RefCell<Value>>>
[INFO] [stdout]    |
[INFO] [stdout] note: `Rc<Rc<RefCell<Value>>>` does not implement `Mul`
[INFO] [stdout]   --> /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/alloc/src/rcs/rc.rs:325:0
[INFO] [stdout]   ::: /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/alloc/src/rcs/rc.rs:331:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rc<Rc<RefCell<Value>>>` is defined in another crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0117, E0308, E0369, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micrograd` (bin "micrograd" test) due to 7 previous errors
[INFO] [stderr] warning: unused dependency `reqwest`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | reqwest = "0.13.4"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `reqwest`
[INFO] [stderr] warning: unused dependency `serde`
[INFO] [stderr]  --> Cargo.toml:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | serde = "1.0.229"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `serde`
[INFO] [stderr] warning: `micrograd` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "inspect" "4ec400870a163c924bf54a1a7b0425150f9bd22683b7bfa8a57eebad5aa5d3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec400870a163c924bf54a1a7b0425150f9bd22683b7bfa8a57eebad5aa5d3a6", kill_on_drop: false }`
[INFO] [stdout] 4ec400870a163c924bf54a1a7b0425150f9bd22683b7bfa8a57eebad5aa5d3a6
