[INFO] updating cached repository Aleru/rust-algorithims [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Aleru/rust-algorithims [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Aleru/rust-algorithims" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Aleru/rust-algorithims"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Aleru/rust-algorithims'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Aleru/rust-algorithims" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Aleru/rust-algorithims"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Aleru/rust-algorithims'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 64457e0348803c06f2d9e13c963427402d470dae [INFO] sha for GitHub repo Aleru/rust-algorithims: 64457e0348803c06f2d9e13c963427402d470dae [INFO] validating manifest of Aleru/rust-algorithims on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Aleru/rust-algorithims on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Aleru/rust-algorithims [INFO] finished frobbing Aleru/rust-algorithims [INFO] frobbed toml for Aleru/rust-algorithims written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Aleru/rust-algorithims/Cargo.toml [INFO] started frobbing Aleru/rust-algorithims [INFO] finished frobbing Aleru/rust-algorithims [INFO] frobbed toml for Aleru/rust-algorithims written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Aleru/rust-algorithims/Cargo.toml [INFO] crate Aleru/rust-algorithims already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Aleru/rust-algorithims against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Aleru/rust-algorithims:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e81bfa38ddcc35e2a8e5ab09a0550bf8c6942c28b63f54228932a933d1f7b013 [INFO] running `"docker" "start" "-a" "e81bfa38ddcc35e2a8e5ab09a0550bf8c6942c28b63f54228932a933d1f7b013"` [INFO] [stderr] Checking stnalgo v0.1.0 (/opt/crater/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:20:23 [INFO] [stderr] | [INFO] [stderr] 20 | fn sort_and_count_inv(mut v1: Vec) -> ArrAndCount{ [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:21:6 [INFO] [stderr] | [INFO] [stderr] 21 | let mut n = v1.len(); [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:29:7 [INFO] [stderr] | [INFO] [stderr] 29 | let mut left_inv = sort_and_count_inv(v1[0..n/2].to_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:30:7 [INFO] [stderr] | [INFO] [stderr] 30 | let mut right_inv = sort_and_count_inv(v1[n/2..n].to_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:31:7 [INFO] [stderr] | [INFO] [stderr] 31 | 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: struct is never constructed: `ArrAndCount` [INFO] [stderr] --> src/main.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | struct ArrAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `build_ArrAndCount` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | fn build_ArrAndCount(vec: Vec, count: usize)->ArrAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_and_count_inv` [INFO] [stderr] --> src/main.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | fn sort_and_count_inv(mut v1: Vec) -> ArrAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_and_count_split_inv` [INFO] [stderr] --> src/main.rs:46:1 [INFO] [stderr] | [INFO] [stderr] 46 | fn merge_and_count_split_inv( v1: Vec, v2: Vec) -> ArrAndCount { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `build_ArrAndCount` should have a snake case name [INFO] [stderr] --> src/main.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn build_ArrAndCount(vec: Vec, count: usize)->ArrAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_arr_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:20:23 [INFO] [stderr] | [INFO] [stderr] 20 | fn sort_and_count_inv(mut v1: Vec) -> ArrAndCount{ [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:21:6 [INFO] [stderr] | [INFO] [stderr] 21 | let mut n = v1.len(); [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:29:7 [INFO] [stderr] | [INFO] [stderr] 29 | let mut left_inv = sort_and_count_inv(v1[0..n/2].to_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:30:7 [INFO] [stderr] | [INFO] [stderr] 30 | let mut right_inv = sort_and_count_inv(v1[n/2..n].to_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:31:7 [INFO] [stderr] | [INFO] [stderr] 31 | 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: struct is never constructed: `ArrAndCount` [INFO] [stderr] --> src/main.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | struct ArrAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `build_ArrAndCount` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | fn build_ArrAndCount(vec: Vec, count: usize)->ArrAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_and_count_inv` [INFO] [stderr] --> src/main.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | fn sort_and_count_inv(mut v1: Vec) -> ArrAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_and_count_split_inv` [INFO] [stderr] --> src/main.rs:46:1 [INFO] [stderr] | [INFO] [stderr] 46 | fn merge_and_count_split_inv( v1: Vec, v2: Vec) -> ArrAndCount { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `build_ArrAndCount` should have a snake case name [INFO] [stderr] --> src/main.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn build_ArrAndCount(vec: Vec, count: usize)->ArrAndCount{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `build_arr_and_count` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `"docker" "inspect" "e81bfa38ddcc35e2a8e5ab09a0550bf8c6942c28b63f54228932a933d1f7b013"` [INFO] running `"docker" "rm" "-f" "e81bfa38ddcc35e2a8e5ab09a0550bf8c6942c28b63f54228932a933d1f7b013"` [INFO] [stdout] e81bfa38ddcc35e2a8e5ab09a0550bf8c6942c28b63f54228932a933d1f7b013