[INFO] cloning repository gilcu2/hello_cargo [INFO] running `"git" "clone" "--bare" "git://github.com/gilcu2/hello_cargo.git" "work/cache/sources/gh/gilcu2/hello_cargo"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/gilcu2/hello_cargo'... [INFO] running `"git" "clone" "work/cache/sources/gh/gilcu2/hello_cargo" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/gilcu2/hello_cargo"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/gilcu2/hello_cargo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/gilcu2/hello_cargo" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/gilcu2/hello_cargo"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/gilcu2/hello_cargo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e6a417b071622947dab633ba53d70b96ebb40850 [INFO] sha for GitHub repo gilcu2/hello_cargo: e6a417b071622947dab633ba53d70b96ebb40850 [INFO] validating manifest of gilcu2/hello_cargo on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gilcu2/hello_cargo on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gilcu2/hello_cargo [INFO] finished frobbing gilcu2/hello_cargo [INFO] frobbed toml for gilcu2/hello_cargo written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/gilcu2/hello_cargo/Cargo.toml [INFO] started frobbing gilcu2/hello_cargo [INFO] finished frobbing gilcu2/hello_cargo [INFO] frobbed toml for gilcu2/hello_cargo written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/gilcu2/hello_cargo/Cargo.toml [INFO] crate gilcu2/hello_cargo already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vpsearch v1.3.5 [INFO] [stderr] Downloaded vectors v0.3.0 [INFO] [stderr] Downloaded rspec v1.0.0-beta.4 [INFO] [stderr] Downloaded optimization v0.1.0 [INFO] [stderr] Downloaded rustlearn v0.5.0 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking gilcu2/hello_cargo against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/gilcu2/hello_cargo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b6edda0922ceffa682bc2393b33f9129393570dc1171ef1284b673ce3189e8ab [INFO] running `"docker" "start" "-a" "b6edda0922ceffa682bc2393b33f9129393570dc1171ef1284b673ce3189e8ab"` [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Compiling rustlearn v0.5.0 [INFO] [stderr] Checking signal-hook-registry v1.0.1 [INFO] [stderr] Checking vpsearch v1.3.5 [INFO] [stderr] Checking vectors v0.3.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking cgmath v0.16.1 [INFO] [stderr] Checking optimization v0.1.0 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.93 [INFO] [stderr] Compiling derive-new v0.5.6 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking signal-hook v0.1.9 [INFO] [stderr] Checking rulinalg v0.3.7 [INFO] [stderr] Checking rayon v0.8.2 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking winconsole v0.10.0 [INFO] [stderr] Checking rusty-machine v0.5.4 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking colored v1.8.0 [INFO] [stderr] Checking rspec v1.0.0-beta.4 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking trust-dns-proto v0.6.3 [INFO] [stderr] Checking trust-dns-proto v0.5.0 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Checking trust-dns-resolver v0.10.3 [INFO] [stderr] Checking actix v0.7.9 [INFO] [stderr] Checking hello_cargo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0469]: imported macro not found [INFO] [stderr] --> src/bin/vectors.rs:1:13 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use(dense_vec, sparse_vec)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0469]: imported macro not found [INFO] [stderr] --> src/bin/vectors.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use(dense_vec, sparse_vec)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0469]: imported macro not found [INFO] [stderr] --> src/bin/vectors.rs:1:13 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use(dense_vec, sparse_vec)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0469]: imported macro not found [INFO] [stderr] --> src/bin/vectors.rs:1:24 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use(dense_vec, sparse_vec)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `List` [INFO] [stderr] --> src/bin/fmt.rs:45:1 [INFO] [stderr] | [INFO] [stderr] 45 | struct List(Vec); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/bin/figures.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | x: u16, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/bin/figures.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | y: u16, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `corner` [INFO] [stderr] --> src/bin/figures.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | corner: Point, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `corner` [INFO] [stderr] --> src/bin/figures.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | corner: Point, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0053]: method `compute_grad` has an incompatible type for trait [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | fn compute_grad(&self, params: &[(f64, f64)], _: &Matrix, _: &Matrix) -> (f64, Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected f64, found tuple [INFO] [stderr] | [INFO] [stderr] = note: expected type `fn(&XSqModel2D, &[f64], &rm::prelude::Matrix<(f64, f64)>, &rm::prelude::Matrix) -> (f64, std::vec::Vec)` [INFO] [stderr] found type `fn(&XSqModel2D, &[(f64, f64)], &rm::prelude::Matrix, &rm::prelude::Matrix) -> (f64, std::vec::Vec)` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `2` on type `(f64, f64)` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:19:31 [INFO] [stderr] | [INFO] [stderr] 19 | let y_dif = params[0].2 - self.c.2; [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `2` on type `(f64, f64)` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:19:42 [INFO] [stderr] | [INFO] [stderr] 19 | let y_dif = params[0].2 - self.c.2; [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] error[E0369]: binary operation `-` cannot be applied to type `(f64, f64)` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:24:37 [INFO] [stderr] | [INFO] [stderr] 24 | let value = () * (params[0] - self.c); [INFO] [stderr] | --------- ^ ------ (f64, f64) [INFO] [stderr] | | [INFO] [stderr] | (f64, f64) [INFO] [stderr] | [INFO] [stderr] = note: an implementation of `std::ops::Sub` might be missing for `(f64, f64)` [INFO] [stderr] [INFO] [stderr] error[E0369]: binary operation `*` cannot be applied to type `()` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:24:24 [INFO] [stderr] | [INFO] [stderr] 24 | let value = () * (params[0] - self.c); [INFO] [stderr] | -- ^ -------------------- _ [INFO] [stderr] | | [INFO] [stderr] | () [INFO] [stderr] | [INFO] [stderr] = note: an implementation of `std::ops::Mul` might be missing for `()` [INFO] [stderr] [INFO] [stderr] error[E0369]: binary operation `-` cannot be applied to type `(f64, f64)` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:25:52 [INFO] [stderr] | [INFO] [stderr] 25 | let first_derivate = vec![2.0 * (params[0] - self.c)]; [INFO] [stderr] | --------- ^ ------ (f64, f64) [INFO] [stderr] | | [INFO] [stderr] | (f64, f64) [INFO] [stderr] | [INFO] [stderr] = note: an implementation of `std::ops::Sub` might be missing for `(f64, f64)` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `(f64, f64): num_traits::identities::Zero` is not satisfied [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:37:31 [INFO] [stderr] | [INFO] [stderr] 37 | &Matrix::zeros(1, 1), [INFO] [stderr] | ^^^^^^^^^^^^^ the trait `num_traits::identities::Zero` is not implemented for `(f64, f64)` [INFO] [stderr] | [INFO] [stderr] = note: required by `rm::prelude::Matrix::::zeros` [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0053, E0277, E0369, E0609. [INFO] [stderr] For more information about an error, try `rustc --explain E0053`. [INFO] [stderr] error: Could not compile `hello_cargo`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/bin/figures.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | x: u16, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/bin/figures.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | y: u16, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `corner` [INFO] [stderr] --> src/bin/figures.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | corner: Point, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `corner` [INFO] [stderr] --> src/bin/figures.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | corner: Point, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `vectors::heap` [INFO] [stderr] --> src/bin/vectors.rs:5:14 [INFO] [stderr] | [INFO] [stderr] 5 | use vectors::heap::{SparseVector, DenseVector}; [INFO] [stderr] | ^^^^ could not find `heap` in `vectors` [INFO] [stderr] [INFO] [stderr] warning: unused import: `vectors::Vector` [INFO] [stderr] --> src/bin/vectors.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use vectors::Vector; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0469. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error[E0053]: method `compute_grad` has an incompatible type for trait [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | fn compute_grad(&self, params: &[(f64, f64)], _: &Matrix, _: &Matrix) -> (f64, Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected f64, found tuple [INFO] [stderr] | [INFO] [stderr] = note: expected type `fn(&XSqModel2D, &[f64], &rm::prelude::Matrix<(f64, f64)>, &rm::prelude::Matrix) -> (f64, std::vec::Vec)` [INFO] [stderr] found type `fn(&XSqModel2D, &[(f64, f64)], &rm::prelude::Matrix, &rm::prelude::Matrix) -> (f64, std::vec::Vec)` [INFO] [stderr] [INFO] [stderr] error: Could not compile `hello_cargo`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0609]: no field `2` on type `(f64, f64)` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:19:31 [INFO] [stderr] | [INFO] [stderr] 19 | let y_dif = params[0].2 - self.c.2; [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `2` on type `(f64, f64)` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:19:42 [INFO] [stderr] | [INFO] [stderr] 19 | let y_dif = params[0].2 - self.c.2; [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] error[E0369]: binary operation `-` cannot be applied to type `(f64, f64)` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:24:37 [INFO] [stderr] | [INFO] [stderr] 24 | let value = () * (params[0] - self.c); [INFO] [stderr] | --------- ^ ------ (f64, f64) [INFO] [stderr] | | [INFO] [stderr] | (f64, f64) [INFO] [stderr] | [INFO] [stderr] = note: an implementation of `std::ops::Sub` might be missing for `(f64, f64)` [INFO] [stderr] [INFO] [stderr] error[E0369]: binary operation `*` cannot be applied to type `()` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:24:24 [INFO] [stderr] | [INFO] [stderr] 24 | let value = () * (params[0] - self.c); [INFO] [stderr] | -- ^ -------------------- _ [INFO] [stderr] | | [INFO] [stderr] | () [INFO] [stderr] | [INFO] [stderr] = note: an implementation of `std::ops::Mul` might be missing for `()` [INFO] [stderr] [INFO] [stderr] error[E0369]: binary operation `-` cannot be applied to type `(f64, f64)` [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:25:52 [INFO] [stderr] | [INFO] [stderr] 25 | let first_derivate = vec![2.0 * (params[0] - self.c)]; [INFO] [stderr] | --------- ^ ------ (f64, f64) [INFO] [stderr] | | [INFO] [stderr] | (f64, f64) [INFO] [stderr] | [INFO] [stderr] = note: an implementation of `std::ops::Sub` might be missing for `(f64, f64)` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `(f64, f64): num_traits::identities::Zero` is not satisfied [INFO] [stderr] --> src/bin/gradient_descendent_2D.rs:37:31 [INFO] [stderr] | [INFO] [stderr] 37 | &Matrix::zeros(1, 1), [INFO] [stderr] | ^^^^^^^^^^^^^ the trait `num_traits::identities::Zero` is not implemented for `(f64, f64)` [INFO] [stderr] | [INFO] [stderr] = note: required by `rm::prelude::Matrix::::zeros` [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0053, E0277, E0369, E0609. [INFO] [stderr] For more information about an error, try `rustc --explain E0053`. [INFO] [stderr] error: Could not compile `hello_cargo`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> tests/arithmetic_rspec.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> tests/arithmetic_rspec.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `vectors::heap` [INFO] [stderr] --> src/bin/vectors.rs:5:14 [INFO] [stderr] | [INFO] [stderr] 5 | use vectors::heap::{SparseVector, DenseVector}; [INFO] [stderr] | ^^^^ could not find `heap` in `vectors` [INFO] [stderr] [INFO] [stderr] warning: unused import: `vectors::Vector` [INFO] [stderr] --> src/bin/vectors.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use vectors::Vector; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0469. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: Could not compile `hello_cargo`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused variable: `ctx` [INFO] [stderr] --> src/bin/local_actors.rs:23:27 [INFO] [stderr] | [INFO] [stderr] 23 | fn started(&mut self, ctx: &mut Context) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ctx` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ctx` [INFO] [stderr] --> src/bin/local_actors.rs:27:27 [INFO] [stderr] | [INFO] [stderr] 27 | fn stopped(&mut self, ctx: &mut Context) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ctx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg` [INFO] [stderr] --> src/bin/local_actors.rs:36:26 [INFO] [stderr] | [INFO] [stderr] 36 | fn handle(&mut self, msg: Ping, ctx: &mut Context) -> Self::Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_msg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ctx` [INFO] [stderr] --> src/bin/local_actors.rs:36:37 [INFO] [stderr] | [INFO] [stderr] 36 | fn handle(&mut self, msg: Ping, ctx: &mut Context) -> Self::Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_ctx` [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "b6edda0922ceffa682bc2393b33f9129393570dc1171ef1284b673ce3189e8ab"` [INFO] running `"docker" "rm" "-f" "b6edda0922ceffa682bc2393b33f9129393570dc1171ef1284b673ce3189e8ab"` [INFO] [stdout] b6edda0922ceffa682bc2393b33f9129393570dc1171ef1284b673ce3189e8ab