[INFO] cloning repository https://github.com/eugenioguzman/pollo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eugenioguzman/pollo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenioguzman%2Fpollo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenioguzman%2Fpollo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13e2502f159583ac1b0a507a9488baaab5044988
[INFO] checking eugenioguzman/pollo against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenioguzman%2Fpollo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eugenioguzman/pollo
[INFO] finished tweaking git repo https://github.com/eugenioguzman/pollo
[INFO] tweaked toml for git repo https://github.com/eugenioguzman/pollo written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eugenioguzman/pollo on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eugenioguzman/pollo 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32aaa4ad3f90bb58f840ed886db0734c7a09fa7e77bbc8a9eae91364ae3c9933
[INFO] running `Command { std: "docker" "start" "-a" "32aaa4ad3f90bb58f840ed886db0734c7a09fa7e77bbc8a9eae91364ae3c9933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32aaa4ad3f90bb58f840ed886db0734c7a09fa7e77bbc8a9eae91364ae3c9933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32aaa4ad3f90bb58f840ed886db0734c7a09fa7e77bbc8a9eae91364ae3c9933", kill_on_drop: false }`
[INFO] [stdout] 32aaa4ad3f90bb58f840ed886db0734c7a09fa7e77bbc8a9eae91364ae3c9933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a96415fa1f10539f878e4f1f320327647cc263aa3b70c0aa0c068825cde218
[INFO] running `Command { std: "docker" "start" "-a" "16a96415fa1f10539f878e4f1f320327647cc263aa3b70c0aa0c068825cde218", kill_on_drop: false }`
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[INFO] [stdout] warning: the feature `isqrt` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(isqrt)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `isqrt` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(isqrt)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `row_mut` is never used
[INFO] [stdout]   --> src/triangular_matrix.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<T> TriangularMatrix<T> {
[INFO] [stdout]    | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn row_mut(&mut self, index: usize) -> Vec<&mut T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `drop` is never used
[INFO] [stdout]   --> src/triangular_matrix.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T: Clone> TriangularMatrix<T> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] 74 |     pub fn drop(&self, index: usize) -> TriangularMatrix<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `fill` is never used
[INFO] [stdout]    --> src/triangular_matrix.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl<T: Clone> TriangularMatrix<T> {
[INFO] [stdout]     | ---------------------------------- associated function in this implementation
[INFO] [stdout] 103 |     pub fn fill(n: usize, value: T) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zeros` is never used
[INFO] [stdout]    --> src/triangular_matrix.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl<T: Default + Clone> TriangularMatrix<T> {
[INFO] [stdout]     | -------------------------------------------- associated function in this implementation
[INFO] [stdout] 112 |     pub fn zeros(n: usize) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `convert` and `try_convert` are never used
[INFO] [stdout]    --> src/triangular_matrix.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 335 | impl<T: Clone> TriangularMatrix<T> {
[INFO] [stdout]     | ---------------------------------- methods in this implementation
[INFO] [stdout] 336 |     pub fn convert<U: From<T>>(self) -> TriangularMatrix<U> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 |     pub fn try_convert<U: TryFrom<T>>(self) -> Result<TriangularMatrix<U>, <U as TryFrom<T>>::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fillna` is never used
[INFO] [stdout]    --> src/triangular_matrix.rs:359:12
[INFO] [stdout]     |
[INFO] [stdout] 358 | impl TriangularMatrix<f32> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] 359 |     pub fn fillna(&mut self, val: f32) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `row_mut` is never used
[INFO] [stdout]   --> src/triangular_matrix.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<T> TriangularMatrix<T> {
[INFO] [stdout]    | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn row_mut(&mut self, index: usize) -> Vec<&mut T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `drop` is never used
[INFO] [stdout]   --> src/triangular_matrix.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T: Clone> TriangularMatrix<T> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] 74 |     pub fn drop(&self, index: usize) -> TriangularMatrix<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `fill` is never used
[INFO] [stdout]    --> src/triangular_matrix.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl<T: Clone> TriangularMatrix<T> {
[INFO] [stdout]     | ---------------------------------- associated function in this implementation
[INFO] [stdout] 103 |     pub fn fill(n: usize, value: T) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zeros` is never used
[INFO] [stdout]    --> src/triangular_matrix.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl<T: Default + Clone> TriangularMatrix<T> {
[INFO] [stdout]     | -------------------------------------------- associated function in this implementation
[INFO] [stdout] 112 |     pub fn zeros(n: usize) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `convert` and `try_convert` are never used
[INFO] [stdout]    --> src/triangular_matrix.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 335 | impl<T: Clone> TriangularMatrix<T> {
[INFO] [stdout]     | ---------------------------------- methods in this implementation
[INFO] [stdout] 336 |     pub fn convert<U: From<T>>(self) -> TriangularMatrix<U> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 |     pub fn try_convert<U: TryFrom<T>>(self) -> Result<TriangularMatrix<U>, <U as TryFrom<T>>::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fillna` is never used
[INFO] [stdout]    --> src/triangular_matrix.rs:359:12
[INFO] [stdout]     |
[INFO] [stdout] 358 | impl TriangularMatrix<f32> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] 359 |     pub fn fillna(&mut self, val: f32) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6m 07s
[INFO] running `Command { std: "docker" "inspect" "16a96415fa1f10539f878e4f1f320327647cc263aa3b70c0aa0c068825cde218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a96415fa1f10539f878e4f1f320327647cc263aa3b70c0aa0c068825cde218", kill_on_drop: false }`
[INFO] [stdout] 16a96415fa1f10539f878e4f1f320327647cc263aa3b70c0aa0c068825cde218
