[INFO] cloning repository https://github.com/kamalbowselvam/revdiff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamalbowselvam/revdiff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalbowselvam%2Frevdiff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalbowselvam%2Frevdiff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d971ac29216c174d569170433e325ec186992d4
[INFO] building kamalbowselvam/revdiff against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalbowselvam%2Frevdiff" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kamalbowselvam/revdiff
[INFO] finished tweaking git repo https://github.com/kamalbowselvam/revdiff
[INFO] tweaked toml for git repo https://github.com/kamalbowselvam/revdiff written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kamalbowselvam/revdiff on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kamalbowselvam/revdiff 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f7e5ea29a0c138db1e4f6ae814774375d70e0ba04b83fefa942ccd9b3f8a670
[INFO] running `Command { std: "docker" "start" "-a" "1f7e5ea29a0c138db1e4f6ae814774375d70e0ba04b83fefa942ccd9b3f8a670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f7e5ea29a0c138db1e4f6ae814774375d70e0ba04b83fefa942ccd9b3f8a670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7e5ea29a0c138db1e4f6ae814774375d70e0ba04b83fefa942ccd9b3f8a670", kill_on_drop: false }`
[INFO] [stdout] 1f7e5ea29a0c138db1e4f6ae814774375d70e0ba04b83fefa942ccd9b3f8a670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54010d369096ef6e3a2eec6c8b454695e4d47a1c772502395b03c18d48d42725
[INFO] running `Command { std: "docker" "start" "-a" "54010d369096ef6e3a2eec6c8b454695e4d47a1c772502395b03c18d48d42725", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/node.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Node {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/node.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Node {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn add_children(&mut self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn add_operation(&mut self, op: Rc<RefCell<Opeartion>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get_value(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn get_grad(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn increase_grad(&mut self, grad: Box<i32>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn new(value: i32, name: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn backward(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Propogation` is never used
[INFO] [stdout]  --> src/node/operation.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Propogation {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Opeartion` is never used
[INFO] [stdout]   --> src/node/operation.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Opeartion {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Add` is never constructed
[INFO] [stdout]  --> src/node/operation/add.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Add {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_parents`, `forward`, and `backward` are never used
[INFO] [stdout]   --> src/node/operation/add.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Add {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn add_parents(&mut self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn forward(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn backward(&self, grad: Box<i32>, node: Option<Rc<RefCell<Node>>>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mul` is never constructed
[INFO] [stdout]  --> src/node/operation/mul.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Mul {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_parents`, `forward`, and `backward` are never used
[INFO] [stdout]   --> src/node/operation/mul.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Mul {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn add_parents(&mut self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn forward(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn backward(&self, grad: Box<i32>, node: Option<Rc<RefCell<Node>>>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_grad` is never used
[INFO] [stdout]   --> src/node.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn get_grad(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "54010d369096ef6e3a2eec6c8b454695e4d47a1c772502395b03c18d48d42725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54010d369096ef6e3a2eec6c8b454695e4d47a1c772502395b03c18d48d42725", kill_on_drop: false }`
[INFO] [stdout] 54010d369096ef6e3a2eec6c8b454695e4d47a1c772502395b03c18d48d42725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e29aa6159c36934ea19b31ae46cc6bac0a9e9421b9cf3059e0714bb3c00e3f4f
[INFO] running `Command { std: "docker" "start" "-a" "e29aa6159c36934ea19b31ae46cc6bac0a9e9421b9cf3059e0714bb3c00e3f4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/node.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Node {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/node.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Node {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn add_children(&mut self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn add_operation(&mut self, op: Rc<RefCell<Opeartion>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get_value(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn get_grad(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn increase_grad(&mut self, grad: Box<i32>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn new(value: i32, name: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn backward(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Propogation` is never used
[INFO] [stdout]  --> src/node/operation.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Propogation {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Opeartion` is never used
[INFO] [stdout]   --> src/node/operation.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Opeartion {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Add` is never constructed
[INFO] [stdout]  --> src/node/operation/add.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Add {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_parents`, `forward`, and `backward` are never used
[INFO] [stdout]   --> src/node/operation/add.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Add {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn add_parents(&mut self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn forward(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn backward(&self, grad: Box<i32>, node: Option<Rc<RefCell<Node>>>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mul` is never constructed
[INFO] [stdout]  --> src/node/operation/mul.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Mul {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_parents`, `forward`, and `backward` are never used
[INFO] [stdout]   --> src/node/operation/mul.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Mul {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn add_parents(&mut self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn forward(
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn backward(&self, grad: Box<i32>, node: Option<Rc<RefCell<Node>>>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node::operation::add::Add`
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use node::operation::add::Add;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_grad` is never used
[INFO] [stdout]   --> src/node.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn get_grad(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "e29aa6159c36934ea19b31ae46cc6bac0a9e9421b9cf3059e0714bb3c00e3f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29aa6159c36934ea19b31ae46cc6bac0a9e9421b9cf3059e0714bb3c00e3f4f", kill_on_drop: false }`
[INFO] [stdout] e29aa6159c36934ea19b31ae46cc6bac0a9e9421b9cf3059e0714bb3c00e3f4f
