[INFO] updating cached repository https://github.com/vksmgr/rust_code [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b3138564edffb3c339e3347ef7621dcc08654567 [INFO] checking vksmgr/rust_code against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvksmgr%2Frust_code" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vksmgr/rust_code on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/vksmgr/rust_code [INFO] finished tweaking git repo https://github.com/vksmgr/rust_code [INFO] tweaked toml for git repo https://github.com/vksmgr/rust_code written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/vksmgr/rust_code already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 020f59665a427e042c02c1f3461f9e1042b543ed02987a566056fd8ad242ea55 [INFO] running `"docker" "start" "-a" "020f59665a427e042c02c1f3461f9e1042b543ed02987a566056fd8ad242ea55"` [INFO] [stderr] Checking g_a v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `trimed` [INFO] [stderr] --> src/my_lib/lib.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let trimed = ip_txt.trim(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_trimed` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `readInt` should have a snake case name [INFO] [stderr] --> src/my_lib/lib.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn readInt() -> i32{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `read_int` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `readIntArray` should have a snake case name [INFO] [stderr] --> src/my_lib/lib.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn readIntArray(array: &mut Vec){ [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `read_int_array` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `trimed` [INFO] [stderr] --> src/my_lib/lib.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let trimed = ip_txt.trim(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_trimed` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `readInt` should have a snake case name [INFO] [stderr] --> src/my_lib/lib.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn readInt() -> i32{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `read_int` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `readIntArray` should have a snake case name [INFO] [stderr] --> src/my_lib/lib.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn readIntArray(array: &mut Vec){ [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `read_int_array` [INFO] [stderr] [INFO] [stderr] warning: unused import: `g::he::ds::array_1d` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use g::he::ds::array_1d; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `g::he::ds::array_1d` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use g::he::ds::array_1d; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `flag` [INFO] [stderr] --> src/g/he/algo/strings.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | let mut flag: bool = true; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_flag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rev_str` [INFO] [stderr] --> src/g/he/algo/strings.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut rev_str = String::new(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_rev_str` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/g/he/algo/strings.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | let mut sum: i32 = 0; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_sum` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stderr] --> src/g/he/algo/strings.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let mut tmp = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/g/he/algo/strings.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut flag: bool = true; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] warning: unused variable: `flag` [INFO] [stderr] --> src/g/he/algo/strings.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | let mut flag: bool = true; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_flag` [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/g/he/algo/strings.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut rev_str = String::new(); [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/g/he/algo/strings.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let mut rev: String = strg.chars().rev().collect(); [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/g/he/algo/strings.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut sum: i32 = 0; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rev_str` [INFO] [stderr] --> src/g/he/algo/strings.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut rev_str = String::new(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_rev_str` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/g/he/algo/strings.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | let mut sum: i32 = 0; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_sum` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stderr] --> src/g/he/algo/strings.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let mut tmp = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/g/he/algo/strings.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let mut vec = ip_txt.to_string().into_bytes(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hello` [INFO] [stderr] --> src/g/arr/array.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn hello(){ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_file_input` [INFO] [stderr] --> src/g/i_o/read_file.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn read_file_input(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_file` [INFO] [stderr] --> src/g/i_o/read_file.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn create_file(path: &str) -> File{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `monk` [INFO] [stderr] --> src/g/he/ds/array_1d.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn monk(){ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `readInt` [INFO] [stderr] --> src/g/he/ds/array_1d.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | fn readInt() -> i32{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `call` [INFO] [stderr] --> src/g/he/algo/strings.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn call(){ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pallindrome` [INFO] [stderr] --> src/g/he/algo/strings.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn pallindrome(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `permutation` [INFO] [stderr] --> src/g/he/algo/strings.rs:43:1 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn permutation(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `T` should have a snake case name [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let T = readInt(); [INFO] [stderr] | ^ help: convert the identifier to snake case: `t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/g/he/ds/array_1d.rs:8:10 [INFO] [stderr] | [INFO] [stderr] 8 | let N: usize; [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: function `readInt` should have a snake case name [INFO] [stderr] --> src/g/he/ds/array_1d.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn readInt() -> i32{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `read_int` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/g/he/algo/strings.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut flag: bool = true; [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/g/he/algo/strings.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut rev_str = String::new(); [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/g/he/algo/strings.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let mut rev: String = strg.chars().rev().collect(); [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/g/he/algo/strings.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut sum: i32 = 0; [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/g/he/algo/strings.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let mut vec = ip_txt.to_string().into_bytes(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hello` [INFO] [stderr] --> src/g/arr/array.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn hello(){ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_file_input` [INFO] [stderr] --> src/g/i_o/read_file.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn read_file_input(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_file` [INFO] [stderr] --> src/g/i_o/read_file.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn create_file(path: &str) -> File{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `monk` [INFO] [stderr] --> src/g/he/ds/array_1d.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn monk(){ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `readInt` [INFO] [stderr] --> src/g/he/ds/array_1d.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | fn readInt() -> i32{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `call` [INFO] [stderr] --> src/g/he/algo/strings.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn call(){ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pallindrome` [INFO] [stderr] --> src/g/he/algo/strings.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn pallindrome(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `permutation` [INFO] [stderr] --> src/g/he/algo/strings.rs:43:1 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn permutation(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `T` should have a snake case name [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let T = readInt(); [INFO] [stderr] | ^ help: convert the identifier to snake case: `t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> src/g/he/ds/array_1d.rs:8:10 [INFO] [stderr] | [INFO] [stderr] 8 | let N: usize; [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] [INFO] [stderr] warning: function `readInt` should have a snake case name [INFO] [stderr] --> src/g/he/ds/array_1d.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn readInt() -> i32{ [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `read_int` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `"docker" "inspect" "020f59665a427e042c02c1f3461f9e1042b543ed02987a566056fd8ad242ea55"` [INFO] running `"docker" "rm" "-f" "020f59665a427e042c02c1f3461f9e1042b543ed02987a566056fd8ad242ea55"` [INFO] [stdout] 020f59665a427e042c02c1f3461f9e1042b543ed02987a566056fd8ad242ea55