Nov 04 06:34:31.485 INFO checking gavrielrh/recursion-benchmarking against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 06:34:31.486 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 04 06:34:32.089 INFO blam! ddeaf296ffac02a0160a234f2d10b10a77308a6dc3b1bfedceade3d8df48db98
Nov 04 06:34:32.092 INFO running `"docker" "start" "-a" "ddeaf296ffac02a0160a234f2d10b10a77308a6dc3b1bfedceade3d8df48db98"`
Nov 04 06:34:34.006 INFO kablam! usermod: no changes
Nov 04 06:34:34.091 INFO kablam!     Checking recursion v0.1.0 (/source)
Nov 04 06:34:34.660 INFO kablam! warning: unused import: `rand::Rng`
Nov 04 06:34:34.660 INFO kablam!   --> src/main.rs:13:5
Nov 04 06:34:34.661 INFO kablam!    |
Nov 04 06:34:34.661 INFO kablam! 13 | use rand::Rng;
Nov 04 06:34:34.661 INFO kablam!    |     ^^^^^^^^^
Nov 04 06:34:34.661 INFO kablam!    |
Nov 04 06:34:34.661 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 04 06:34:34.661 INFO kablam! 
Nov 04 06:34:34.759 INFO kablam! warning: unused variable: `i`
Nov 04 06:34:34.759 INFO kablam!   --> src/main.rs:63:9
Nov 04 06:34:34.760 INFO kablam!    |
Nov 04 06:34:34.760 INFO kablam! 63 |     for i in 3..(n+1) {
Nov 04 06:34:34.760 INFO kablam!    |         ^ help: consider using `_i` instead
Nov 04 06:34:34.761 INFO kablam!    |
Nov 04 06:34:34.761 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 06:34:34.761 INFO kablam! 
Nov 04 06:34:34.761 INFO kablam! warning: unused variable: `v`
Nov 04 06:34:34.762 INFO kablam!    --> src/main.rs:142:13
Nov 04 06:34:34.762 INFO kablam!     |
Nov 04 06:34:34.762 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Nov 04 06:34:34.762 INFO kablam!     |             ^ help: consider using `_v` instead
Nov 04 06:34:34.763 INFO kablam! 
Nov 04 06:34:34.763 INFO kablam! warning: unused variable: `i`
Nov 04 06:34:34.763 INFO kablam!    --> src/main.rs:164:9
Nov 04 06:34:34.764 INFO kablam!     |
Nov 04 06:34:34.764 INFO kablam! 164 |     for i in 0..len {
Nov 04 06:34:34.764 INFO kablam!     |         ^ help: consider using `_i` instead
Nov 04 06:34:34.764 INFO kablam! 
Nov 04 06:34:34.765 INFO kablam! warning: value assigned to `data` is never read
Nov 04 06:34:34.765 INFO kablam!    --> src/main.rs:199:13
Nov 04 06:34:34.765 INFO kablam!     |
Nov 04 06:34:34.765 INFO kablam! 199 |     let mut data: Vec<i32> = Vec::new();
Nov 04 06:34:34.766 INFO kablam!     |             ^^^^
Nov 04 06:34:34.766 INFO kablam!     |
Nov 04 06:34:34.766 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 04 06:34:34.767 INFO kablam! 
Nov 04 06:34:34.767 INFO kablam! warning: unused variable: `n`
Nov 04 06:34:34.767 INFO kablam!    --> src/main.rs:230:17
Nov 04 06:34:34.767 INFO kablam!     |
Nov 04 06:34:34.767 INFO kablam! 230 |             let n = a.len() as i32;
Nov 04 06:34:34.768 INFO kablam!     |                 ^ help: consider using `_n` instead
Nov 04 06:34:34.768 INFO kablam! 
Nov 04 06:34:34.768 INFO kablam! warning: unused variable: `n`
Nov 04 06:34:34.769 INFO kablam!    --> src/main.rs:241:17
Nov 04 06:34:34.769 INFO kablam!     |
Nov 04 06:34:34.769 INFO kablam! 241 |             let n = a.len() as i32;
Nov 04 06:34:34.769 INFO kablam!     |                 ^ help: consider using `_n` instead
Nov 04 06:34:34.770 INFO kablam! 
Nov 04 06:34:34.779 INFO kablam! warning: unused import: `rand::Rng`
Nov 04 06:34:34.779 INFO kablam!   --> src/main.rs:13:5
Nov 04 06:34:34.779 INFO kablam!    |
Nov 04 06:34:34.780 INFO kablam! 13 | use rand::Rng;
Nov 04 06:34:34.780 INFO kablam!    |     ^^^^^^^^^
Nov 04 06:34:34.780 INFO kablam!    |
Nov 04 06:34:34.781 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 04 06:34:34.781 INFO kablam! 
Nov 04 06:34:34.783 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:34:34.783 INFO kablam!    --> src/main.rs:142:9
Nov 04 06:34:34.784 INFO kablam!     |
Nov 04 06:34:34.784 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Nov 04 06:34:34.784 INFO kablam!     |         ----^
Nov 04 06:34:34.784 INFO kablam!     |         |
Nov 04 06:34:34.785 INFO kablam!     |         help: remove this `mut`
Nov 04 06:34:34.785 INFO kablam!     |
Nov 04 06:34:34.785 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 06:34:34.785 INFO kablam! 
Nov 04 06:34:34.803 INFO kablam! warning: function is never used: `get_sort_time`
Nov 04 06:34:34.803 INFO kablam!   --> src/main.rs:17:1
Nov 04 06:34:34.804 INFO kablam!    |
Nov 04 06:34:34.804 INFO kablam! 17 | fn get_sort_time(mut v: Vec<i32>, f: fn(&mut Vec<i32>)) -> u64 {
Nov 04 06:34:34.804 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:34.805 INFO kablam!    |
Nov 04 06:34:34.805 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 06:34:34.805 INFO kablam! 
Nov 04 06:34:34.805 INFO kablam! warning: function is never used: `get_fibo_time`
Nov 04 06:34:34.806 INFO kablam!   --> src/main.rs:24:1
Nov 04 06:34:34.806 INFO kablam!    |
Nov 04 06:34:34.806 INFO kablam! 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 {
Nov 04 06:34:34.807 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:34.807 INFO kablam! 
Nov 04 06:34:34.807 INFO kablam! warning: function is never used: `make_test_vec_files`
Nov 04 06:34:34.807 INFO kablam!    --> src/main.rs:139:1
Nov 04 06:34:34.808 INFO kablam!     |
Nov 04 06:34:34.808 INFO kablam! 139 | fn make_test_vec_files(start: i32, end: i32) {
Nov 04 06:34:34.808 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:34.808 INFO kablam! 
Nov 04 06:34:34.809 INFO kablam! warning: function is never used: `pick`
Nov 04 06:34:34.809 INFO kablam!    --> src/main.rs:155:1
Nov 04 06:34:34.809 INFO kablam!     |
Nov 04 06:34:34.810 INFO kablam! 155 | fn pick(a: i32, b: i32) -> i32 {
Nov 04 06:34:34.810 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:34.810 INFO kablam! 
Nov 04 06:34:34.810 INFO kablam! warning: function is never used: `get_rand_vector`
Nov 04 06:34:34.811 INFO kablam!    --> src/main.rs:162:1
Nov 04 06:34:34.811 INFO kablam!     |
Nov 04 06:34:34.811 INFO kablam! 162 | fn get_rand_vector(len: usize) -> Vec<i32> {
Nov 04 06:34:34.812 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:34.812 INFO kablam! 
Nov 04 06:34:34.812 INFO kablam! warning: function is never used: `save_vec_to_file`
Nov 04 06:34:34.812 INFO kablam!    --> src/main.rs:171:1
Nov 04 06:34:34.813 INFO kablam!     |
Nov 04 06:34:34.813 INFO kablam! 171 | fn save_vec_to_file(v: Vec<i32>) {
Nov 04 06:34:34.813 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:34.814 INFO kablam! 
Nov 04 06:34:34.967 INFO kablam! warning: unused variable: `i`
Nov 04 06:34:34.967 INFO kablam!   --> src/main.rs:63:9
Nov 04 06:34:34.968 INFO kablam!    |
Nov 04 06:34:34.968 INFO kablam! 63 |     for i in 3..(n+1) {
Nov 04 06:34:34.968 INFO kablam!    |         ^ help: consider using `_i` instead
Nov 04 06:34:34.968 INFO kablam!    |
Nov 04 06:34:34.969 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 06:34:34.969 INFO kablam! 
Nov 04 06:34:34.969 INFO kablam! warning: unused variable: `v`
Nov 04 06:34:34.969 INFO kablam!    --> src/main.rs:142:13
Nov 04 06:34:34.970 INFO kablam!     |
Nov 04 06:34:34.970 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Nov 04 06:34:34.970 INFO kablam!     |             ^ help: consider using `_v` instead
Nov 04 06:34:34.970 INFO kablam! 
Nov 04 06:34:34.971 INFO kablam! warning: unused variable: `i`
Nov 04 06:34:34.971 INFO kablam!    --> src/main.rs:164:9
Nov 04 06:34:34.971 INFO kablam!     |
Nov 04 06:34:34.972 INFO kablam! 164 |     for i in 0..len {
Nov 04 06:34:34.972 INFO kablam!     |         ^ help: consider using `_i` instead
Nov 04 06:34:34.972 INFO kablam! 
Nov 04 06:34:34.972 INFO kablam! warning: value assigned to `data` is never read
Nov 04 06:34:34.973 INFO kablam!    --> src/main.rs:199:13
Nov 04 06:34:34.973 INFO kablam!     |
Nov 04 06:34:34.973 INFO kablam! 199 |     let mut data: Vec<i32> = Vec::new();
Nov 04 06:34:34.973 INFO kablam!     |             ^^^^
Nov 04 06:34:34.974 INFO kablam!     |
Nov 04 06:34:34.974 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 04 06:34:34.974 INFO kablam! 
Nov 04 06:34:34.987 INFO kablam! warning: variable does not need to be mutable
Nov 04 06:34:34.987 INFO kablam!    --> src/main.rs:142:9
Nov 04 06:34:34.995 INFO kablam!     |
Nov 04 06:34:34.995 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Nov 04 06:34:34.995 INFO kablam!     |         ----^
Nov 04 06:34:34.996 INFO kablam!     |         |
Nov 04 06:34:34.996 INFO kablam!     |         help: remove this `mut`
Nov 04 06:34:34.996 INFO kablam!     |
Nov 04 06:34:34.996 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 06:34:34.997 INFO kablam! 
Nov 04 06:34:35.007 INFO kablam! warning: function is never used: `get_sort_time`
Nov 04 06:34:35.008 INFO kablam!   --> src/main.rs:17:1
Nov 04 06:34:35.008 INFO kablam!    |
Nov 04 06:34:35.008 INFO kablam! 17 | fn get_sort_time(mut v: Vec<i32>, f: fn(&mut Vec<i32>)) -> u64 {
Nov 04 06:34:35.008 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:35.009 INFO kablam!    |
Nov 04 06:34:35.009 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 06:34:35.009 INFO kablam! 
Nov 04 06:34:35.010 INFO kablam! warning: function is never used: `get_fibo_time`
Nov 04 06:34:35.010 INFO kablam!   --> src/main.rs:24:1
Nov 04 06:34:35.010 INFO kablam!    |
Nov 04 06:34:35.010 INFO kablam! 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 {
Nov 04 06:34:35.011 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:35.011 INFO kablam! 
Nov 04 06:34:35.011 INFO kablam! warning: function is never used: `make_test_vec_files`
Nov 04 06:34:35.011 INFO kablam!    --> src/main.rs:139:1
Nov 04 06:34:35.012 INFO kablam!     |
Nov 04 06:34:35.012 INFO kablam! 139 | fn make_test_vec_files(start: i32, end: i32) {
Nov 04 06:34:35.012 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:35.012 INFO kablam! 
Nov 04 06:34:35.013 INFO kablam! warning: function is never used: `pick`
Nov 04 06:34:35.013 INFO kablam!    --> src/main.rs:155:1
Nov 04 06:34:35.013 INFO kablam!     |
Nov 04 06:34:35.014 INFO kablam! 155 | fn pick(a: i32, b: i32) -> i32 {
Nov 04 06:34:35.014 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:35.014 INFO kablam! 
Nov 04 06:34:35.014 INFO kablam! warning: function is never used: `get_rand_vector`
Nov 04 06:34:35.015 INFO kablam!    --> src/main.rs:162:1
Nov 04 06:34:35.015 INFO kablam!     |
Nov 04 06:34:35.015 INFO kablam! 162 | fn get_rand_vector(len: usize) -> Vec<i32> {
Nov 04 06:34:35.015 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:35.016 INFO kablam! 
Nov 04 06:34:35.016 INFO kablam! warning: function is never used: `save_vec_to_file`
Nov 04 06:34:35.016 INFO kablam!    --> src/main.rs:171:1
Nov 04 06:34:35.017 INFO kablam!     |
Nov 04 06:34:35.017 INFO kablam! 171 | fn save_vec_to_file(v: Vec<i32>) {
Nov 04 06:34:35.017 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:35.017 INFO kablam! 
Nov 04 06:34:35.017 INFO kablam! warning: function is never used: `read_vector_from_file`
Nov 04 06:34:35.018 INFO kablam!    --> src/main.rs:196:1
Nov 04 06:34:35.018 INFO kablam!     |
Nov 04 06:34:35.018 INFO kablam! 196 | fn read_vector_from_file(p: &str) -> Vec<i32> {
Nov 04 06:34:35.019 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 06:34:35.019 INFO kablam! 
Nov 04 06:34:35.042 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Nov 04 06:34:35.045 INFO kablam! su: No module specific data is present
Nov 04 06:34:35.881 INFO running `"docker" "rm" "-f" "ddeaf296ffac02a0160a234f2d10b10a77308a6dc3b1bfedceade3d8df48db98"`
Nov 04 06:34:36.045 INFO blam! ddeaf296ffac02a0160a234f2d10b10a77308a6dc3b1bfedceade3d8df48db98