[INFO] cloning repository https://github.com/mohdazlanabas/rust_cpp_rework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohdazlanabas/rust_cpp_rework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohdazlanabas%2Frust_cpp_rework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohdazlanabas%2Frust_cpp_rework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 130429aca14ecbcbeeba257845463b798f20d859
[INFO] testing mohdazlanabas/rust_cpp_rework against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohdazlanabas%2Frust_cpp_rework" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mohdazlanabas/rust_cpp_rework
[INFO] finished tweaking git repo https://github.com/mohdazlanabas/rust_cpp_rework
[INFO] tweaked toml for git repo https://github.com/mohdazlanabas/rust_cpp_rework written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mohdazlanabas/rust_cpp_rework on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mohdazlanabas/rust_cpp_rework 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fff582f677a5f193b9ffd027b8f4e92f45800cbe741365a030a5caf6dc3ef608
[INFO] running `Command { std: "docker" "start" "-a" "fff582f677a5f193b9ffd027b8f4e92f45800cbe741365a030a5caf6dc3ef608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fff582f677a5f193b9ffd027b8f4e92f45800cbe741365a030a5caf6dc3ef608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff582f677a5f193b9ffd027b8f4e92f45800cbe741365a030a5caf6dc3ef608", kill_on_drop: false }`
[INFO] [stdout] fff582f677a5f193b9ffd027b8f4e92f45800cbe741365a030a5caf6dc3ef608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f10b9b39664e9fb5815b1a5680f43b6231cd986963233c75793439360617dda
[INFO] running `Command { std: "docker" "start" "-a" "0f10b9b39664e9fb5815b1a5680f43b6231cd986963233c75793439360617dda", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_ten_features v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/calculator.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn multiply<const M: usize>(&self, other: &Matrix<M>) -> Matrix<M> 
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_position` is never used
[INFO] [stdout]    --> src/shapes.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout]  85 | impl ShapeBuilder {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn with_position(mut self, x: f64, y: f64) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/calculator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Matrix<const N: usize> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     data: [[f64; N]; N],
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Matrix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `identity`, `get`, `set`, and `multiply` are never used
[INFO] [stdout]   --> src/calculator.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<const N: usize> Matrix<N> {
[INFO] [stdout]    | ------------------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn identity() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn get(&self, row: usize, col: usize) -> Option<f64> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn set(&mut self, row: usize, col: usize, value: f64) -> Result<(), &'static str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn multiply<const M: usize>(&self, other: &Matrix<M>) -> Matrix<M> 
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parent_helper` is never used
[INFO] [stdout]    --> src/calculator.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub(super) fn parent_helper() -> String {
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]   --> src/utils.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Config {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/utils.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Config {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 82 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "0f10b9b39664e9fb5815b1a5680f43b6231cd986963233c75793439360617dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f10b9b39664e9fb5815b1a5680f43b6231cd986963233c75793439360617dda", kill_on_drop: false }`
[INFO] [stdout] 0f10b9b39664e9fb5815b1a5680f43b6231cd986963233c75793439360617dda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 717dafdb4d38b810e0884f9b337f52dbaa66d10397b3559009e01729701d083d
[INFO] running `Command { std: "docker" "start" "-a" "717dafdb4d38b810e0884f9b337f52dbaa66d10397b3559009e01729701d083d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_ten_features v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/calculator.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn multiply<const M: usize>(&self, other: &Matrix<M>) -> Matrix<M> 
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_position` is never used
[INFO] [stdout]    --> src/shapes.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout]  85 | impl ShapeBuilder {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn with_position(mut self, x: f64, y: f64) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `identity`, `set`, and `multiply` are never used
[INFO] [stdout]   --> src/calculator.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<const N: usize> Matrix<N> {
[INFO] [stdout]    | ------------------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn identity() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn set(&mut self, row: usize, col: usize, value: f64) -> Result<(), &'static str> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn multiply<const M: usize>(&self, other: &Matrix<M>) -> Matrix<M> 
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parent_helper` is never used
[INFO] [stdout]    --> src/calculator.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub(super) fn parent_helper() -> String {
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]   --> src/utils.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Config {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/utils.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Config {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 82 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "717dafdb4d38b810e0884f9b337f52dbaa66d10397b3559009e01729701d083d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717dafdb4d38b810e0884f9b337f52dbaa66d10397b3559009e01729701d083d", kill_on_drop: false }`
[INFO] [stdout] 717dafdb4d38b810e0884f9b337f52dbaa66d10397b3559009e01729701d083d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f8c8731a33da75ac891a49682aae9b3fcc71205aeb0f545ca1201757f895ac5
[INFO] running `Command { std: "docker" "start" "-a" "3f8c8731a33da75ac891a49682aae9b3fcc71205aeb0f545ca1201757f895ac5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/calculator.rs:42:44
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 2 tests
[INFO] [stderr] 42 |     pub fn multiply<const M: usize>(&self, other: &Matrix<M>) -> Matrix<M> 
[INFO] [stdout] test calculator::tests::test_matrix_creation ... ok
[INFO] [stderr]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] test calculator::tests::test_private_computation ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: method `with_position` is never used
[INFO] [stderr]    --> src/shapes.rs:101:12
[INFO] [stderr]     |
[INFO] [stderr]  85 | impl ShapeBuilder {
[INFO] [stderr]     | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 101 |     pub fn with_position(mut self, x: f64, y: f64) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `identity`, `set`, and `multiply` are never used
[INFO] [stderr]   --> src/calculator.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl<const N: usize> Matrix<N> {
[INFO] [stderr]    | ------------------------------ associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub fn identity() -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn set(&mut self, row: usize, col: usize, value: f64) -> Result<(), &'static str> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn multiply<const M: usize>(&self, other: &Matrix<M>) -> Matrix<M> 
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parent_helper` is never used
[INFO] [stderr]    --> src/calculator.rs:125:15
[INFO] [stderr]     |
[INFO] [stderr] 125 | pub(super) fn parent_helper() -> String {
[INFO] [stderr]     |               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Config` is never constructed
[INFO] [stderr]   --> src/utils.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub struct Config {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/utils.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 81 | impl Config {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 82 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_ten_features` (bin "rust_ten_features" test) generated 6 warnings (run `cargo fix --bin "rust_ten_features" -p rust_ten_features --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_ten_features-4e059c1b28268c56)
[INFO] running `Command { std: "docker" "inspect" "3f8c8731a33da75ac891a49682aae9b3fcc71205aeb0f545ca1201757f895ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8c8731a33da75ac891a49682aae9b3fcc71205aeb0f545ca1201757f895ac5", kill_on_drop: false }`
[INFO] [stdout] 3f8c8731a33da75ac891a49682aae9b3fcc71205aeb0f545ca1201757f895ac5
