[INFO] cloning repository https://github.com/NikitaMGrimm/rust-learning-problems [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NikitaMGrimm/rust-learning-problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikitaMGrimm%2Frust-learning-problems", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikitaMGrimm%2Frust-learning-problems'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aeefb4a9812508da36585c152c3a5a2fbbd38763 [INFO] testing NikitaMGrimm/rust-learning-problems against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikitaMGrimm%2Frust-learning-problems" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/NikitaMGrimm/rust-learning-problems [INFO] finished tweaking git repo https://github.com/NikitaMGrimm/rust-learning-problems [INFO] tweaked toml for git repo https://github.com/NikitaMGrimm/rust-learning-problems written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/NikitaMGrimm/rust-learning-problems on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/NikitaMGrimm/rust-learning-problems 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.140 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1703eb3b119d7d1b9735a17d5a9494567d6d427e51a795b29f118093be78e22 [INFO] running `Command { std: "docker" "start" "-a" "a1703eb3b119d7d1b9735a17d5a9494567d6d427e51a795b29f118093be78e22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1703eb3b119d7d1b9735a17d5a9494567d6d427e51a795b29f118093be78e22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1703eb3b119d7d1b9735a17d5a9494567d6d427e51a795b29f118093be78e22", kill_on_drop: false }` [INFO] [stdout] a1703eb3b119d7d1b9735a17d5a9494567d6d427e51a795b29f118093be78e22 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dfc820501ee24b563a48cef60c859341a724c98e39559d15ea881ff1fbb4e9ed [INFO] running `Command { std: "docker" "start" "-a" "dfc820501ee24b563a48cef60c859341a724c98e39559d15ea881ff1fbb4e9ed", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling hello_multithread v0.1.0 (/opt/rustwide/workdir/RustBook/hello_multithread) [INFO] [stderr] Compiling blog_testing_oop v0.1.0 (/opt/rustwide/workdir/RustBook/blog_testing_oop) [INFO] [stderr] Compiling blog_testing_oop_rusty v0.1.0 (/opt/rustwide/workdir/RustBook/blog_testing_oop_rusty) [INFO] [stderr] Compiling progress_bar v0.1.0 (/opt/rustwide/workdir/RustBook/progress_bar) [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/rustwide/workdir/RustBook/minigrep) [INFO] [stderr] Compiling string_slices v0.1.0 (/opt/rustwide/workdir/RustBook/string_slices) [INFO] [stderr] Compiling sort_and_star v0.1.0 (/opt/rustwide/workdir/Codewars/8kyu/sort_and_star) [INFO] [stdout] warning: function `two_sort` is never used [INFO] [stdout] --> Codewars/8kyu/sort_and_star/src/lib.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn two_sort(arr: &[&str]) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `two_sort2` is never used [INFO] [stdout] --> Codewars/8kyu/sort_and_star/src/lib.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn two_sort2(arr: &[&str]) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling function_1_hello_world v0.1.0 (/opt/rustwide/workdir/Codewars/8kyu/function_1_hello_world) [INFO] [stdout] warning: function `greet` is never used [INFO] [stdout] --> Codewars/8kyu/function_1_hello_world/src/lib.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn greet() -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ownership_testing v0.1.0 (/opt/rustwide/workdir/RustBook/ownership_testing) [INFO] [stderr] Compiling match_control_flow v0.1.0 (/opt/rustwide/workdir/RustBook/match_control_flow) [INFO] [stderr] Compiling grasshopper_messi_goals_function v0.1.0 (/opt/rustwide/workdir/Codewars/8kyu/grasshopper_messi_goals_function) [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> RustBook/ownership_testing/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let num = num; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> RustBook/match_control_flow/src/main.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | Range(i32, i32), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 - Range(i32, i32), [INFO] [stdout] 4 + Range((), i32), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Point` is never constructed [INFO] [stdout] --> RustBook/match_control_flow/src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | enum Location { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] 3 | Point(i32), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_start` is never used [INFO] [stdout] --> RustBook/match_control_flow/src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn get_start(loc: &Location) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `goals` is never used [INFO] [stdout] --> Codewars/8kyu/grasshopper_messi_goals_function/src/lib.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn goals(la_liga_goals: i32, champions_league_goals: i32, copa_del_rey_goals: i32) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling another_function v0.1.0 (/opt/rustwide/workdir/RustBook/another_function) [INFO] [stderr] error: could not compile `another_function` (bin "another_function") due to 1 previous error; 1 warning emitted [INFO] [stdout] warning: unused imports: `BufReader`, `Read`, and `fs::File` [INFO] [stdout] --> RustBook/another_function/src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{io::{BufReader, Read}, fs::File, vec}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0618]: expected function, found `std::slice::Iter<'_, {integer}>` [INFO] [stdout] --> RustBook/another_function/src/main.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 13 | let iter = vector.iter(); [INFO] [stdout] | ---- `iter` has type `std::slice::Iter<'_, {integer}>` [INFO] [stdout] 14 | [INFO] [stdout] 15 | for i in iter().clone() { [INFO] [stdout] | ^^^^-- [INFO] [stdout] | | [INFO] [stdout] | call expression requires function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0618`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dfc820501ee24b563a48cef60c859341a724c98e39559d15ea881ff1fbb4e9ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfc820501ee24b563a48cef60c859341a724c98e39559d15ea881ff1fbb4e9ed", kill_on_drop: false }` [INFO] [stdout] dfc820501ee24b563a48cef60c859341a724c98e39559d15ea881ff1fbb4e9ed