[INFO] cloning repository https://github.com/huzailessani/rustexercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huzailessani/rustexercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuzailessani%2Frustexercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuzailessani%2Frustexercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a00f56c2bbe96c05bef2611573d68e97cb2f13f [INFO] testing huzailessani/rustexercises against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuzailessani%2Frustexercises" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/huzailessani/rustexercises on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/huzailessani/rustexercises [INFO] finished tweaking git repo https://github.com/huzailessani/rustexercises [INFO] tweaked toml for git repo https://github.com/huzailessani/rustexercises written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/huzailessani/rustexercises 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded rand_core v0.4.2 [INFO] [stderr] Downloaded rand_core v0.3.1 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded rand v0.5.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f1965a41f0ddf3008fe9947bfc090c26623d25c7e704356c7663de7ee494bb1 [INFO] running `Command { std: "docker" "start" "-a" "0f1965a41f0ddf3008fe9947bfc090c26623d25c7e704356c7663de7ee494bb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f1965a41f0ddf3008fe9947bfc090c26623d25c7e704356c7663de7ee494bb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f1965a41f0ddf3008fe9947bfc090c26623d25c7e704356c7663de7ee494bb1", kill_on_drop: false }` [INFO] [stdout] 0f1965a41f0ddf3008fe9947bfc090c26623d25c7e704356c7663de7ee494bb1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0cadabab28568af984b983f1efd8cb4dbaaabbbe12e4c19082ad306ae3672dcb [INFO] running `Command { std: "docker" "start" "-a" "0cadabab28568af984b983f1efd8cb4dbaaabbbe12e4c19082ad306ae3672dcb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling exercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `distributions::range` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{distributions::range, Rng}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `exam` should have an upper camel case name [INFO] [stdout] --> src/main.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum exam { [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Exam` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `pass` should have an upper camel case name [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | pass(i32), [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Pass` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `fail` should have an upper camel case name [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | fail(i32), [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fail` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `rand::distributions::range`: use uniform instead [INFO] [stdout] --> src/main.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{distributions::range, Rng}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | for i in 0..rng { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c` is never read [INFO] [stdout] --> src/main.rs:220:17 [INFO] [stdout] | [INFO] [stdout] 220 | let mut c = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | let mut nths = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:297:9 [INFO] [stdout] | [INFO] [stdout] 297 | for i in 1..nths { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:298:13 [INFO] [stdout] | [INFO] [stdout] 298 | let mut next = prev + curr; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `id` are never read [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 8 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | id: i32, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `age` should have an upper case name [INFO] [stdout] --> src/main.rs:289:8 [INFO] [stdout] | [INFO] [stdout] 289 | static age: usize = 25; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `AGE` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `wgt` should have an upper case name [INFO] [stdout] --> src/main.rs:290:8 [INFO] [stdout] | [INFO] [stdout] 290 | static wgt: usize = 150; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `WGT` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "0cadabab28568af984b983f1efd8cb4dbaaabbbe12e4c19082ad306ae3672dcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cadabab28568af984b983f1efd8cb4dbaaabbbe12e4c19082ad306ae3672dcb", kill_on_drop: false }` [INFO] [stdout] 0cadabab28568af984b983f1efd8cb4dbaaabbbe12e4c19082ad306ae3672dcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] caea498594c1d64202fe2e9e8985865006495eb98e60139708f3b6e2820f45aa [INFO] running `Command { std: "docker" "start" "-a" "caea498594c1d64202fe2e9e8985865006495eb98e60139708f3b6e2820f45aa", kill_on_drop: false }` [INFO] [stderr] Compiling exercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `distributions::range` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{distributions::range, Rng}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `exam` should have an upper camel case name [INFO] [stdout] --> src/main.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum exam { [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Exam` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `pass` should have an upper camel case name [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | pass(i32), [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Pass` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `fail` should have an upper camel case name [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | fail(i32), [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fail` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated module `rand::distributions::range`: use uniform instead [INFO] [stdout] --> src/main.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{distributions::range, Rng}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | for i in 0..rng { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c` is never read [INFO] [stdout] --> src/main.rs:220:17 [INFO] [stdout] | [INFO] [stdout] 220 | let mut c = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | let mut nths = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:297:9 [INFO] [stdout] | [INFO] [stdout] 297 | for i in 1..nths { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:298:13 [INFO] [stdout] | [INFO] [stdout] 298 | let mut next = prev + curr; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `id` are never read [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 8 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | id: i32, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `age` should have an upper case name [INFO] [stdout] --> src/main.rs:289:8 [INFO] [stdout] | [INFO] [stdout] 289 | static age: usize = 25; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `AGE` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `wgt` should have an upper case name [INFO] [stdout] --> src/main.rs:290:8 [INFO] [stdout] | [INFO] [stdout] 290 | static wgt: usize = 150; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `WGT` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "caea498594c1d64202fe2e9e8985865006495eb98e60139708f3b6e2820f45aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caea498594c1d64202fe2e9e8985865006495eb98e60139708f3b6e2820f45aa", kill_on_drop: false }` [INFO] [stdout] caea498594c1d64202fe2e9e8985865006495eb98e60139708f3b6e2820f45aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 406599cd05df5065da22cbcf04aeeedce6758b1d04e75ad7e6d610680c11ee6d [INFO] running `Command { std: "docker" "start" "-a" "406599cd05df5065da22cbcf04aeeedce6758b1d04e75ad7e6d610680c11ee6d", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `distributions::range` [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | use rand::{distributions::range, Rng}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `exam` should have an upper camel case name [INFO] [stderr] --> src/main.rs:13:6 [INFO] [stderr] | [INFO] [stderr] 13 | enum exam { [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case: `Exam` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `pass` should have an upper camel case name [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | pass(i32), [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case: `Pass` [INFO] [stderr] [INFO] [stderr] warning: variant `fail` should have an upper camel case name [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | fail(i32), [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fail` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated module `rand::distributions::range`: use uniform instead [INFO] [stderr] --> src/main.rs:1:27 [INFO] [stderr] | [INFO] [stderr] 1 | use rand::{distributions::range, Rng}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | for i in 0..rng { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `c` is never read [INFO] [stderr] --> src/main.rs:220:17 [INFO] [stderr] | [INFO] [stderr] 220 | let mut c = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:242:9 [INFO] [stderr] | [INFO] [stderr] 242 | let mut nths = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; [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: unused variable: `i` [INFO] [stderr] --> src/main.rs:297:9 [INFO] [stderr] | [INFO] [stderr] 297 | for i in 1..nths { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:298:13 [INFO] [stderr] | [INFO] [stderr] 298 | let mut next = prev + curr; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: fields `name` and `id` are never read [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 7 | struct User { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 8 | name: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] 9 | id: i32, [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `age` should have an upper case name [INFO] [stderr] --> src/main.rs:289:8 [INFO] [stderr] | [INFO] [stderr] 289 | static age: usize = 25; [INFO] [stderr] | ^^^ help: convert the identifier to upper case: `AGE` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `wgt` should have an upper case name [INFO] [stderr] --> src/main.rs:290:8 [INFO] [stderr] | [INFO] [stderr] 290 | static wgt: usize = 150; [INFO] [stderr] | ^^^ help: convert the identifier to upper case: `WGT` [INFO] [stderr] [INFO] [stderr] warning: `exercise` (bin "exercise" test) generated 13 warnings (run `cargo fix --bin "exercise" --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise-1425bd5aa794c32a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "406599cd05df5065da22cbcf04aeeedce6758b1d04e75ad7e6d610680c11ee6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "406599cd05df5065da22cbcf04aeeedce6758b1d04e75ad7e6d610680c11ee6d", kill_on_drop: false }` [INFO] [stdout] 406599cd05df5065da22cbcf04aeeedce6758b1d04e75ad7e6d610680c11ee6d