[INFO] updating cached repository vksmgr/rust_code [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/vksmgr/rust_code [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/vksmgr/rust_code" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/vksmgr/rust_code"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/vksmgr/rust_code'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/vksmgr/rust_code" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/vksmgr/rust_code"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/vksmgr/rust_code'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b3138564edffb3c339e3347ef7621dcc08654567 [INFO] sha for GitHub repo vksmgr/rust_code: b3138564edffb3c339e3347ef7621dcc08654567 [INFO] validating manifest of vksmgr/rust_code on toolchain master#a850a426491e14186af2250549bf41256b5938d2 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of vksmgr/rust_code on toolchain try#06a150c7d11500b41499224f165e9de1de096768 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing vksmgr/rust_code [INFO] finished frobbing vksmgr/rust_code [INFO] frobbed toml for vksmgr/rust_code written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/vksmgr/rust_code/Cargo.toml [INFO] started frobbing vksmgr/rust_code [INFO] finished frobbing vksmgr/rust_code [INFO] frobbed toml for vksmgr/rust_code written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/vksmgr/rust_code/Cargo.toml [INFO] crate vksmgr/rust_code already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking vksmgr/rust_code against try#06a150c7d11500b41499224f165e9de1de096768 for pr-60162 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-4/try#06a150c7d11500b41499224f165e9de1de096768:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/vksmgr/rust_code:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+06a150c7d11500b41499224f165e9de1de096768-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 60b1b96c3e39bdf82df1fad2431a8e10b98b4971fe4361c9f0d2d7446aa64674 [INFO] running `"docker" "start" "-a" "60b1b96c3e39bdf82df1fad2431a8e10b98b4971fe4361c9f0d2d7446aa64674"` [INFO] [stderr] Checking g_a v0.1.0 (/opt/crater/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: 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] | [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] 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 0.59s [INFO] running `"docker" "inspect" "60b1b96c3e39bdf82df1fad2431a8e10b98b4971fe4361c9f0d2d7446aa64674"` [INFO] running `"docker" "rm" "-f" "60b1b96c3e39bdf82df1fad2431a8e10b98b4971fe4361c9f0d2d7446aa64674"` [INFO] [stdout] 60b1b96c3e39bdf82df1fad2431a8e10b98b4971fe4361c9f0d2d7446aa64674