[INFO] cloning repository https://github.com/satanson/rust_etudes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/satanson/rust_etudes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatanson%2Frust_etudes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatanson%2Frust_etudes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0501fe82134be8ab3428a96b7818367e4bb95d77 [INFO] testing satanson/rust_etudes against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatanson%2Frust_etudes" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/satanson/rust_etudes on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/satanson/rust_etudes [INFO] finished tweaking git repo https://github.com/satanson/rust_etudes [INFO] tweaked toml for git repo https://github.com/satanson/rust_etudes written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/satanson/rust_etudes already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] dd44266d79f5237ea2494270bfb27a2bf2b176f0a197ccc25f5391f0b71dbdf3 [INFO] running `Command { std: "docker" "start" "-a" "dd44266d79f5237ea2494270bfb27a2bf2b176f0a197ccc25f5391f0b71dbdf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd44266d79f5237ea2494270bfb27a2bf2b176f0a197ccc25f5391f0b71dbdf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd44266d79f5237ea2494270bfb27a2bf2b176f0a197ccc25f5391f0b71dbdf3", kill_on_drop: false }` [INFO] [stdout] dd44266d79f5237ea2494270bfb27a2bf2b176f0a197ccc25f5391f0b71dbdf3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5ade552f62c2725579b31116daf02a60001db73733f37371de6738f70d36b04 [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" "e5ade552f62c2725579b31116daf02a60001db73733f37371de6738f70d36b04", kill_on_drop: false }` [INFO] [stderr] Compiling common v0.1.0 (/opt/rustwide/workdir/common) [INFO] [stderr] Compiling my_proc_macro v1.0.0 (/opt/rustwide/workdir/my_proc_macro) [INFO] [stderr] Compiling n048_Rotate_Image v0.1.0 (/opt/rustwide/workdir/n048_Rotate_Image) [INFO] [stderr] Compiling n033_Search_in_Rotated_Sorted_Array v0.1.0 (/opt/rustwide/workdir/n033_Search_in_Rotated_Sorted_Array) [INFO] [stderr] Compiling Median_of_Two_Sorted_Arrays v0.1.0 (/opt/rustwide/workdir/Median_of_Two_Sorted_Arrays) [INFO] [stderr] Compiling conditional_compiling v0.1.0 (/opt/rustwide/workdir/conditional_compiling) [INFO] [stderr] Compiling n013_Roman_to_Integer v0.1.0 (/opt/rustwide/workdir/n013_Roman_to_Integer) [INFO] [stderr] Compiling n026_Remove_Duplicates_from_Sorted_Array v0.1.0 (/opt/rustwide/workdir/n026_Remove_Duplicates_from_Sorted_Array) [INFO] [stderr] Compiling n015_3Sum v0.1.0 (/opt/rustwide/workdir/n015_3Sum) [INFO] [stderr] Compiling n044_Wildcard_Matching v0.1.0 (/opt/rustwide/workdir/n044_Wildcard_Matching) [INFO] [stderr] Compiling n049_Group_Anagrams v0.1.0 (/opt/rustwide/workdir/n049_Group_Anagrams) [INFO] [stderr] Compiling Regular_Expression_Matching v0.1.0 (/opt/rustwide/workdir/Regular_Expression_Matching) [INFO] [stderr] Compiling n043_Multiply_Strings v0.1.0 (/opt/rustwide/workdir/n043_Multiply_Strings) [INFO] [stderr] Compiling n050_Pow_x_n v0.1.0 (/opt/rustwide/workdir/n050_Pow_x_n) [INFO] [stderr] Compiling n027_Remove_Element v0.1.0 (/opt/rustwide/workdir/n027_Remove_Element) [INFO] [stderr] Compiling n028_Implement_strStr v0.1.0 (/opt/rustwide/workdir/n028_Implement_strStr) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> n026_Remove_Duplicates_from_Sorted_Array/src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | return (i+1) as i32; [INFO] [stdout] | ------------------- any code following this expression is unreachable [INFO] [stdout] 25 | return 0; [INFO] [stdout] | ^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n026_Remove_Duplicates_from_Sorted_Array` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n026_remove_duplicates_from_sorted_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> common/src/lib.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 62 | '1'...'9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> n013_Roman_to_Integer/src/main.rs:98:7 [INFO] [stdout] | [INFO] [stdout] 98 | i += advance; [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: crate `n013_Roman_to_Integer` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n013_roman_to_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n015_3Sum` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n015_3_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n050_Pow_x_n` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n050_pow_x_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n028_Implement_strStr` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n028_implement_str_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> Regular_Expression_Matching/src/main.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 53 | return false; [INFO] [stdout] | ------------ any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 79 | return false; [INFO] [stdout] | ^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n049_Group_Anagrams` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n049_group_anagrams` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n033_Search_in_Rotated_Sorted_Array` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n033_search_in_rotated_sorted_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n044_Wildcard_Matching` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n044_wildcard_matching` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Median_of_Two_Sorted_Arrays` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `median_of_two_sorted_arrays` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> Median_of_Two_Sorted_Arrays/src/main.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | assert_eq!(0 <= k && k < a_len + b_len, true); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n048_Rotate_Image` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n048_rotate_image` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Regular_Expression_Matching` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `regular_expression_matching` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> n043_Multiply_Strings/src/main.rs:25:11 [INFO] [stdout] | [INFO] [stdout] 25 | let mut m = k + a.len(); [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: crate `n043_Multiply_Strings` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n043_multiply_strings` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n027_Remove_Element` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n027_remove_element` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling String_to_Integer v0.1.0 (/opt/rustwide/workdir/String_to_Integer) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n046_Permutations v0.1.0 (/opt/rustwide/workdir/n046_Permutations) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n012_Integer_to_Roman v0.1.0 (/opt/rustwide/workdir/n012_Integer_to_Roman) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling Reverse_Integer v0.1.0 (/opt/rustwide/workdir/Reverse_Integer) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> n046_Permutations/src/main.rs:39:18 [INFO] [stdout] | [INFO] [stdout] 39 | xs[i] %= (i+1); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - xs[i] %= (i+1); [INFO] [stdout] 39 + xs[i] %= i+1; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `String_to_Integer` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `string_to_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n045_Jump_Game_II v0.1.0 (/opt/rustwide/workdir/n045_Jump_Game_II) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n029_Divide_Two_Integers v0.1.0 (/opt/rustwide/workdir/n029_Divide_Two_Integers) [INFO] [stderr] Compiling n038_Count_and_Say v0.1.0 (/opt/rustwide/workdir/n038_Count_and_Say) [INFO] [stderr] Compiling n034_Find_First_and_Last_Position_of_Element_in_Sorted_Array v0.1.0 (/opt/rustwide/workdir/n034_Find_First_and_Last_Position_of_Element_in_Sorted_Array) [INFO] [stdout] warning: crate `n046_Permutations` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n046_permutations` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n012_Integer_to_Roman` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n012_integer_to_roman` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n051_N_Queens v0.1.0 (/opt/rustwide/workdir/n051_N_Queens) [INFO] [stdout] warning: constant is never used: `i32_max` [INFO] [stdout] --> Reverse_Integer/src/main.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | const i32_max: i32 = std::i32::MAX; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `i32_min` [INFO] [stdout] --> Reverse_Integer/src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | const i32_min: i32 = std::i32::MIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Reverse_Integer` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `reverse_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `i32_max` should have an upper case name [INFO] [stdout] --> Reverse_Integer/src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | const i32_max: i32 = std::i32::MAX; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `I32_MAX` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `i32_min` should have an upper case name [INFO] [stdout] --> Reverse_Integer/src/main.rs:26:11 [INFO] [stdout] | [INFO] [stdout] 26 | const i32_min: i32 = std::i32::MIN; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `I32_MIN` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `i32_max` should have an upper case name [INFO] [stdout] --> Reverse_Integer/src/main.rs:45:11 [INFO] [stdout] | [INFO] [stdout] 45 | const i32_max: i32 = std::i32::MAX; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `I32_MAX` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `i32_min` should have an upper case name [INFO] [stdout] --> Reverse_Integer/src/main.rs:46:11 [INFO] [stdout] | [INFO] [stdout] 46 | const i32_min: i32 = std::i32::MIN; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `I32_MIN` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n018_4Sum v0.1.0 (/opt/rustwide/workdir/n018_4Sum) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n035_Search_Insert_Position v0.1.0 (/opt/rustwide/workdir/n035_Search_Insert_Position) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> n038_Count_and_Say/src/main.rs:39:7 [INFO] [stdout] | [INFO] [stdout] 39 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ZigZag_Conversion v0.1.0 (/opt/rustwide/workdir/ZigZag_Conversion) [INFO] [stdout] warning: crate `n045_Jump_Game_II` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n045_jump_game_ii` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> n038_Count_and_Say/src/main.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | let (mut a, mut b) = (&mut s, &mut s2); [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: variable does not need to be mutable [INFO] [stdout] --> n038_Count_and_Say/src/main.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | let (mut a, mut b) = (&mut s, &mut s2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n038_Count_and_Say` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n038_count_and_say` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n034_Find_First_and_Last_Position_of_Element_in_Sorted_Array` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n034_find_first_and_last_position_of_element_in_sorted_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread`, `time` [INFO] [stdout] --> n018_4Sum/src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{thread,time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Pair` in this scope [INFO] [stdout] --> n051_N_Queens/src/main.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 4 | struct StkElm { [INFO] [stdout] | - help: you might be missing a type parameter: `` [INFO] [stdout] 5 | pos: Pos, [INFO] [stdout] 6 | alternatives: Vec [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n011_Container_With_Most_Water v0.1.0 (/opt/rustwide/workdir/n011_Container_With_Most_Water) [INFO] [stdout] warning: crate `n018_4Sum` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n018_4_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n029_Divide_Two_Integers` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n029_divide_two_integers` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> ZigZag_Conversion/src/main.rs:59:7 [INFO] [stdout] | [INFO] [stdout] 59 | let s1 = String::from("PAYPALISHIRING"); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n035_Search_Insert_Position` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n035_search_insert_position` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `ZigZag_Conversion` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `zig_zag_conversion` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n040_Combination_Sum_II v0.1.0 (/opt/rustwide/workdir/n040_Combination_Sum_II) [INFO] [stdout] warning: crate `n011_Container_With_Most_Water` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n011_container_with_most_water` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling Longest_Substring_Without_Repeating_Characters v0.1.0 (/opt/rustwide/workdir/Longest_Substring_Without_Repeating_Characters) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling n031_Next_Permutation v0.1.0 (/opt/rustwide/workdir/n031_Next_Permutation) [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `n051_N_Queens` due to 2 previous errors [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> Longest_Substring_Without_Repeating_Characters/src/main.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | let s1 = "abcdefg"; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s2` [INFO] [stdout] --> Longest_Substring_Without_Repeating_Characters/src/main.rs:45:7 [INFO] [stdout] | [INFO] [stdout] 45 | let s2 = "aaaaaaa"; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s3` [INFO] [stdout] --> Longest_Substring_Without_Repeating_Characters/src/main.rs:46:7 [INFO] [stdout] | [INFO] [stdout] 46 | let s3 = "abcdaabc"; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Longest_Substring_Without_Repeating_Characters` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `longest_substring_without_repeating_characters` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n040_Combination_Sum_II` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n040_combination_sum_ii` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `n031_Next_Permutation` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `n031_next_permutation` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e5ade552f62c2725579b31116daf02a60001db73733f37371de6738f70d36b04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5ade552f62c2725579b31116daf02a60001db73733f37371de6738f70d36b04", kill_on_drop: false }` [INFO] [stdout] e5ade552f62c2725579b31116daf02a60001db73733f37371de6738f70d36b04