[INFO] cloning repository https://github.com/ycatbink0t/diplom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycatbink0t/diplom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fdiplom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fdiplom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 868627c13faeaf0ec37fa328030a82a0df4ef926 [INFO] checking ycatbink0t/diplom against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycatbink0t%2Fdiplom" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ycatbink0t/diplom on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ycatbink0t/diplom [INFO] finished tweaking git repo https://github.com/ycatbink0t/diplom [INFO] tweaked toml for git repo https://github.com/ycatbink0t/diplom written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/ycatbink0t/diplom already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ca72c7cf4b2d01900350bbbe06926f49da3d3f6b51a20bd23705d338c927b7a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9ca72c7cf4b2d01900350bbbe06926f49da3d3f6b51a20bd23705d338c927b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ca72c7cf4b2d01900350bbbe06926f49da3d3f6b51a20bd23705d338c927b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ca72c7cf4b2d01900350bbbe06926f49da3d3f6b51a20bd23705d338c927b7a", kill_on_drop: false }` [INFO] [stdout] 9ca72c7cf4b2d01900350bbbe06926f49da3d3f6b51a20bd23705d338c927b7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f5f2684447ea8e522c488519d13579364c8b9dee3f8aa09c85341fa81ba6cb93 [INFO] running `Command { std: "docker" "start" "-a" "f5f2684447ea8e522c488519d13579364c8b9dee3f8aa09c85341fa81ba6cb93", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking diplom v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/lib/algs_tests/ant_alg_test.rs (2 fixes) [INFO] [stderr] Fixed src/main.rs (3 fixes) [INFO] [stderr] Fixed src/lib/algs_tests/genetic_alg_test.rs (1 fix) [INFO] [stdout] warning: value assigned to `g` is never read [INFO] [stdout] --> src/lib/tsp_algs/algs/ant_alg_tsp_solver.rs:118:11 [INFO] [stdout] | [INFO] [stdout] 118 | g = &(g * (1.0 - self.ro)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | let N: [usize; 3] = [10, 100, 500]; [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_N` should have a snake case name [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | let _N: [usize; 3] = [10, 100, 500]; [INFO] [stdout] | ^^ help: convert the identifier to snake case: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | writeln!(&mut writer, "iters_count,path_length,time_elapsed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | writeln!(&mut writer, "{},{},{}", iters_count, path_length, elapsed.as_millis()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/genetic_alg_test.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | writeln!(&mut writer, "gens_count,path_length,time_elapsed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/genetic_alg_test.rs:37:7 [INFO] [stdout] | [INFO] [stdout] 37 | writeln!(&mut writer, "{},{},{}", gens_count, path_length, elapsed.as_millis()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g` is never read [INFO] [stdout] --> src/lib/tsp_algs/algs/ant_alg_tsp_solver.rs:118:11 [INFO] [stdout] | [INFO] [stdout] 118 | g = &(g * (1.0 - self.ro)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | let N: [usize; 3] = [10, 100, 500]; [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_N` should have a snake case name [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | let _N: [usize; 3] = [10, 100, 500]; [INFO] [stdout] | ^^ help: convert the identifier to snake case: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | writeln!(&mut writer, "iters_count,path_length,time_elapsed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | writeln!(&mut writer, "{},{},{}", iters_count, path_length, elapsed.as_millis()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/genetic_alg_test.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | writeln!(&mut writer, "gens_count,path_length,time_elapsed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/genetic_alg_test.rs:37:7 [INFO] [stdout] | [INFO] [stdout] 37 | writeln!(&mut writer, "{},{},{}", gens_count, path_length, elapsed.as_millis()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.00s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking diplom v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: value assigned to `g` is never read [INFO] [stdout] --> src/lib/tsp_algs/algs/ant_alg_tsp_solver.rs:118:11 [INFO] [stdout] | [INFO] [stdout] 118 | g = &(g * (1.0 - self.ro)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `g` is never read [INFO] [stdout] --> src/lib/tsp_algs/algs/ant_alg_tsp_solver.rs:118:11 [INFO] [stdout] | [INFO] [stdout] 118 | g = &(g * (1.0 - self.ro)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | let N: [usize; 3] = [10, 100, 500]; [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_N` should have a snake case name [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | let _N: [usize; 3] = [10, 100, 500]; [INFO] [stdout] | ^^ help: convert the identifier to snake case: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | writeln!(&mut writer, "iters_count,path_length,time_elapsed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | writeln!(&mut writer, "{},{},{}", iters_count, path_length, elapsed.as_millis()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/genetic_alg_test.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | writeln!(&mut writer, "gens_count,path_length,time_elapsed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | let N: [usize; 3] = [10, 100, 500]; [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/genetic_alg_test.rs:37:7 [INFO] [stdout] | [INFO] [stdout] 37 | writeln!(&mut writer, "{},{},{}", gens_count, path_length, elapsed.as_millis()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_N` should have a snake case name [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | let _N: [usize; 3] = [10, 100, 500]; [INFO] [stdout] | ^^ help: convert the identifier to snake case: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | writeln!(&mut writer, "iters_count,path_length,time_elapsed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/ant_alg_test.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | writeln!(&mut writer, "{},{},{}", iters_count, path_length, elapsed.as_millis()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/genetic_alg_test.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | writeln!(&mut writer, "gens_count,path_length,time_elapsed"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib/algs_tests/genetic_alg_test.rs:37:7 [INFO] [stdout] | [INFO] [stdout] 37 | writeln!(&mut writer, "{},{},{}", gens_count, path_length, elapsed.as_millis()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "f5f2684447ea8e522c488519d13579364c8b9dee3f8aa09c85341fa81ba6cb93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5f2684447ea8e522c488519d13579364c8b9dee3f8aa09c85341fa81ba6cb93", kill_on_drop: false }` [INFO] [stdout] f5f2684447ea8e522c488519d13579364c8b9dee3f8aa09c85341fa81ba6cb93