[INFO] updating cached repository https://github.com/Aleru/rust-algorithims [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] 2676a08d84850bca9b73bbb3f5eb1e7be44704ba [INFO] checking Aleru/rust-algorithims against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAleru%2Frust-algorithims" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Aleru/rust-algorithims on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Aleru/rust-algorithims [INFO] finished tweaking git repo https://github.com/Aleru/rust-algorithims [INFO] tweaked toml for git repo https://github.com/Aleru/rust-algorithims written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Aleru/rust-algorithims already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] aa282f78eb22deb78cffac2d53d0367823ac3f7b20663ae7157f34ea92648628 [INFO] running `"docker" "start" "-a" "aa282f78eb22deb78cffac2d53d0367823ac3f7b20663ae7157f34ea92648628"` [INFO] [stderr] Checking stnalgo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:22:23 [INFO] [stderr] | [INFO] [stderr] 22 | fn sort_and_count_inv(mut v1: Vec) -> VecAndCount{ [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/main.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | let mut n = v1.len(); // number of elements in passed vec [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/main.rs:32:7 [INFO] [stderr] | [INFO] [stderr] 32 | let mut left_inv = sort_and_count_inv(v1[0..n/2].to_vec()); // recursively sort left half of the array [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/main.rs:33:7 [INFO] [stderr] | [INFO] [stderr] 33 | let mut right_inv = sort_and_count_inv(v1[n/2..n].to_vec()); // recursively right half of hte array [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/main.rs:34:7 [INFO] [stderr] | [INFO] [stderr] 34 | let mut merged_inv = merge_and_count_split_inv(left_inv.vec,right_inv.vec); // [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/main.rs:122:6 [INFO] [stderr] | [INFO] [stderr] 122 | let mut vec = file_into_i32_vec("algo.txt").unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `build_VecAndCount` should have a snake case name [INFO] [stderr] --> src/main.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn build_VecAndCount(vec: Vec, count: usize)->VecAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_vec_and_count` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:22:23 [INFO] [stderr] | [INFO] [stderr] 22 | fn sort_and_count_inv(mut v1: Vec) -> VecAndCount{ [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/main.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 23 | let mut n = v1.len(); // number of elements in passed vec [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/main.rs:32:7 [INFO] [stderr] | [INFO] [stderr] 32 | let mut left_inv = sort_and_count_inv(v1[0..n/2].to_vec()); // recursively sort left half of the array [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/main.rs:33:7 [INFO] [stderr] | [INFO] [stderr] 33 | let mut right_inv = sort_and_count_inv(v1[n/2..n].to_vec()); // recursively right half of hte array [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/main.rs:34:7 [INFO] [stderr] | [INFO] [stderr] 34 | let mut merged_inv = merge_and_count_split_inv(left_inv.vec,right_inv.vec); // [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:122:6 [INFO] [stderr] | [INFO] [stderr] 122 | let mut vec = file_into_i32_vec("algo.txt").unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `build_VecAndCount` should have a snake case name [INFO] [stderr] --> src/main.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn build_VecAndCount(vec: Vec, count: usize)->VecAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_vec_and_count` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `"docker" "inspect" "aa282f78eb22deb78cffac2d53d0367823ac3f7b20663ae7157f34ea92648628"` [INFO] running `"docker" "rm" "-f" "aa282f78eb22deb78cffac2d53d0367823ac3f7b20663ae7157f34ea92648628"` [INFO] [stdout] aa282f78eb22deb78cffac2d53d0367823ac3f7b20663ae7157f34ea92648628