[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 try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalbowselvam%2Frevdiff" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kamalbowselvam/revdiff on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f660a68067c2f20efa4929889cf4e5bdd2b49bb1d335eb5d6a4683ae499f27e
[INFO] running `Command { std: "docker" "start" "-a" "0f660a68067c2f20efa4929889cf4e5bdd2b49bb1d335eb5d6a4683ae499f27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f660a68067c2f20efa4929889cf4e5bdd2b49bb1d335eb5d6a4683ae499f27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f660a68067c2f20efa4929889cf4e5bdd2b49bb1d335eb5d6a4683ae499f27e", kill_on_drop: false }`
[INFO] [stdout] 0f660a68067c2f20efa4929889cf4e5bdd2b49bb1d335eb5d6a4683ae499f27e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96880c9c77c87937cc7464d6cc03c14d6d0ee310c8f520fa50e2d3b2f46033ba
[INFO] running `Command { std: "docker" "start" "-a" "96880c9c77c87937cc7464d6cc03c14d6d0ee310c8f520fa50e2d3b2f46033ba", 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 1.16s
[INFO] running `Command { std: "docker" "inspect" "96880c9c77c87937cc7464d6cc03c14d6d0ee310c8f520fa50e2d3b2f46033ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96880c9c77c87937cc7464d6cc03c14d6d0ee310c8f520fa50e2d3b2f46033ba", kill_on_drop: false }`
[INFO] [stdout] 96880c9c77c87937cc7464d6cc03c14d6d0ee310c8f520fa50e2d3b2f46033ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d6ea52cc5bac6dbefebe5eb5567d4f8d0151f11034d5e12a62c7e85f2e906c1
[INFO] running `Command { std: "docker" "start" "-a" "2d6ea52cc5bac6dbefebe5eb5567d4f8d0151f11034d5e12a62c7e85f2e906c1", kill_on_drop: false }`
[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] [stderr]    Compiling rust1 v0.1.0 (/opt/rustwide/workdir)
[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 1.08s
[INFO] running `Command { std: "docker" "inspect" "2d6ea52cc5bac6dbefebe5eb5567d4f8d0151f11034d5e12a62c7e85f2e906c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6ea52cc5bac6dbefebe5eb5567d4f8d0151f11034d5e12a62c7e85f2e906c1", kill_on_drop: false }`
[INFO] [stdout] 2d6ea52cc5bac6dbefebe5eb5567d4f8d0151f11034d5e12a62c7e85f2e906c1
