[INFO] updating cached repository Isan-Rivkin/p2p-network-graph-simulator-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Isan-Rivkin/p2p-network-graph-simulator-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Isan-Rivkin/p2p-network-graph-simulator-rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Isan-Rivkin/p2p-network-graph-simulator-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Isan-Rivkin/p2p-network-graph-simulator-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Isan-Rivkin/p2p-network-graph-simulator-rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Isan-Rivkin/p2p-network-graph-simulator-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Isan-Rivkin/p2p-network-graph-simulator-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d4c9a0a2bec3bbaf7d62c76e62bdb20c045ade19 [INFO] sha for GitHub repo Isan-Rivkin/p2p-network-graph-simulator-rs: d4c9a0a2bec3bbaf7d62c76e62bdb20c045ade19 [INFO] validating manifest of Isan-Rivkin/p2p-network-graph-simulator-rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Isan-Rivkin/p2p-network-graph-simulator-rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Isan-Rivkin/p2p-network-graph-simulator-rs [INFO] finished frobbing Isan-Rivkin/p2p-network-graph-simulator-rs [INFO] frobbed toml for Isan-Rivkin/p2p-network-graph-simulator-rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Isan-Rivkin/p2p-network-graph-simulator-rs/Cargo.toml [INFO] started frobbing Isan-Rivkin/p2p-network-graph-simulator-rs [INFO] finished frobbing Isan-Rivkin/p2p-network-graph-simulator-rs [INFO] frobbed toml for Isan-Rivkin/p2p-network-graph-simulator-rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Isan-Rivkin/p2p-network-graph-simulator-rs/Cargo.toml [INFO] crate Isan-Rivkin/p2p-network-graph-simulator-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Isan-Rivkin/p2p-network-graph-simulator-rs against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-7/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Isan-Rivkin/p2p-network-graph-simulator-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1631ded3cf151fcd9212736d35ee280a6ec4f43b1374ae7d32b9815819174515 [INFO] running `"docker" "start" "-a" "1631ded3cf151fcd9212736d35ee280a6ec4f43b1374ae7d32b9815819174515"` [INFO] [stderr] Checking memchr v2.1.0 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking csv v1.0.2 [INFO] [stderr] Checking graph_connetions_calculator v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::default::Default` [INFO] [stderr] --> src/input.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::default::Default; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `print_graph` [INFO] [stderr] --> src/optimizer.rs:2:21 [INFO] [stderr] | [INFO] [stderr] 2 | use policy::{Policy,print_graph}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Graph` [INFO] [stderr] --> src/main.rs:8:17 [INFO] [stderr] | [INFO] [stderr] 8 | use optimizer::{Graph, Optimizer}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::default::Default` [INFO] [stderr] --> src/input.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::default::Default; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `print_graph` [INFO] [stderr] --> src/optimizer.rs:2:21 [INFO] [stderr] | [INFO] [stderr] 2 | use policy::{Policy,print_graph}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Graph` [INFO] [stderr] --> src/main.rs:8:17 [INFO] [stderr] | [INFO] [stderr] 8 | use optimizer::{Graph, Optimizer}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/optimizer.rs:114:13 [INFO] [stderr] | [INFO] [stderr] 114 | let mut test_graph = graph.clone(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_nodes` [INFO] [stderr] --> src/policy.rs:158:1 [INFO] [stderr] | [INFO] [stderr] 158 | fn get_nodes(graph :& Vec< Vec>)->Vec{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_edges` [INFO] [stderr] --> src/policy.rs:164:1 [INFO] [stderr] | [INFO] [stderr] 164 | fn get_edges(node : usize , graph :& Vec< Vec>)->Vec{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `initial_graph` [INFO] [stderr] --> src/optimizer.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | initial_graph :&'a Graph [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | write!(f,"\n --- START Optimization Stats --- \n\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | write!(f,"\t1) Config: Optimal = {} , Max inbound = {} \n", self.config_optimal_out, self.config_max_in); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | write!(f,"\t2) Satisfied Graph : {} \n" , self.is_satisfied_graph); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | write!(f,"\t3) Violated graph : {} \n", self.is_violating_graph); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | write!(f, "\t4) Total Nodes (with dns) : {} \n", self.final_graph.len()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | write!(f,"\t5) Satisfied Nodes (exclude dns): {}/{} \n", self.satisfied_nodes_num , self.final_graph.len()- self.dns_nodes_num); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | write!(f,"\t6) Dns Nodes : {} \n" , self.dns_nodes_num); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | write!(f,"\t7) Not Satisfied Nodes : {} \n" , self.not_satisfied_nodes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | graph_to_csv(path,&res); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:181:13 [INFO] [stderr] | [INFO] [stderr] 181 | Err(e)=> assert!(false) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:98:13 [INFO] [stderr] | [INFO] [stderr] 98 | let mut dns : Vec = vec![1,3]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:188:13 [INFO] [stderr] | [INFO] [stderr] 188 | let mut path = "./samples/g2_test.csv"; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/optimizer.rs:114:13 [INFO] [stderr] | [INFO] [stderr] 114 | let mut test_graph = graph.clone(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_nodes` [INFO] [stderr] --> src/policy.rs:158:1 [INFO] [stderr] | [INFO] [stderr] 158 | fn get_nodes(graph :& Vec< Vec>)->Vec{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_edges` [INFO] [stderr] --> src/policy.rs:164:1 [INFO] [stderr] | [INFO] [stderr] 164 | fn get_edges(node : usize , graph :& Vec< Vec>)->Vec{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `initial_graph` [INFO] [stderr] --> src/optimizer.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | initial_graph :&'a Graph [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | write!(f,"\n --- START Optimization Stats --- \n\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | write!(f,"\t1) Config: Optimal = {} , Max inbound = {} \n", self.config_optimal_out, self.config_max_in); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | write!(f,"\t2) Satisfied Graph : {} \n" , self.is_satisfied_graph); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | write!(f,"\t3) Violated graph : {} \n", self.is_violating_graph); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | write!(f, "\t4) Total Nodes (with dns) : {} \n", self.final_graph.len()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | write!(f,"\t5) Satisfied Nodes (exclude dns): {}/{} \n", self.satisfied_nodes_num , self.final_graph.len()- self.dns_nodes_num); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | write!(f,"\t6) Dns Nodes : {} \n" , self.dns_nodes_num); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/optimizer.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | write!(f,"\t7) Not Satisfied Nodes : {} \n" , self.not_satisfied_nodes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | graph_to_csv(path,&res); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.21s [INFO] running `"docker" "inspect" "1631ded3cf151fcd9212736d35ee280a6ec4f43b1374ae7d32b9815819174515"` [INFO] running `"docker" "rm" "-f" "1631ded3cf151fcd9212736d35ee280a6ec4f43b1374ae7d32b9815819174515"` [INFO] [stdout] 1631ded3cf151fcd9212736d35ee280a6ec4f43b1374ae7d32b9815819174515