Oct 21 17:43:42.595 INFO checking gavrielrh/recursion-benchmarking against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 17:43:42.595 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-6/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 21 17:43:42.941 INFO blam! 915220e1751d45fcea953f64f3c92719acaaa4da659af7dd1733d87f564905dd
Oct 21 17:43:42.953 INFO running `"docker" "start" "-a" "915220e1751d45fcea953f64f3c92719acaaa4da659af7dd1733d87f564905dd"`
Oct 21 17:43:44.659 INFO kablam! usermod: no changes
Oct 21 17:43:44.764 INFO kablam!     Checking recursion v0.1.0 (/source)
Oct 21 17:43:45.440 INFO kablam! warning: unused import: `rand::Rng`
Oct 21 17:43:45.440 INFO kablam!   --> src/main.rs:13:5
Oct 21 17:43:45.440 INFO kablam!    |
Oct 21 17:43:45.440 INFO kablam! 13 | use rand::Rng;
Oct 21 17:43:45.440 INFO kablam!    |     ^^^^^^^^^
Oct 21 17:43:45.440 INFO kablam!    |
Oct 21 17:43:45.440 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 21 17:43:45.440 INFO kablam! 
Oct 21 17:43:45.552 INFO kablam! warning: unused variable: `i`
Oct 21 17:43:45.552 INFO kablam!   --> src/main.rs:63:9
Oct 21 17:43:45.552 INFO kablam!    |
Oct 21 17:43:45.552 INFO kablam! 63 |     for i in 3..(n+1) {
Oct 21 17:43:45.552 INFO kablam!    |         ^ help: consider using `_i` instead
Oct 21 17:43:45.552 INFO kablam!    |
Oct 21 17:43:45.552 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 17:43:45.552 INFO kablam! 
Oct 21 17:43:45.552 INFO kablam! warning: unused variable: `v`
Oct 21 17:43:45.552 INFO kablam!    --> src/main.rs:142:13
Oct 21 17:43:45.552 INFO kablam!     |
Oct 21 17:43:45.552 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Oct 21 17:43:45.552 INFO kablam!     |             ^ help: consider using `_v` instead
Oct 21 17:43:45.552 INFO kablam! 
Oct 21 17:43:45.552 INFO kablam! warning: unused variable: `i`
Oct 21 17:43:45.552 INFO kablam!    --> src/main.rs:164:9
Oct 21 17:43:45.552 INFO kablam!     |
Oct 21 17:43:45.552 INFO kablam! 164 |     for i in 0..len {
Oct 21 17:43:45.552 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 21 17:43:45.552 INFO kablam! 
Oct 21 17:43:45.552 INFO kablam! warning: value assigned to `data` is never read
Oct 21 17:43:45.552 INFO kablam!    --> src/main.rs:199:13
Oct 21 17:43:45.552 INFO kablam!     |
Oct 21 17:43:45.552 INFO kablam! 199 |     let mut data: Vec<i32> = Vec::new();
Oct 21 17:43:45.552 INFO kablam!     |             ^^^^
Oct 21 17:43:45.552 INFO kablam!     |
Oct 21 17:43:45.552 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 21 17:43:45.552 INFO kablam! 
Oct 21 17:43:45.552 INFO kablam! warning: unused variable: `n`
Oct 21 17:43:45.552 INFO kablam!    --> src/main.rs:230:17
Oct 21 17:43:45.552 INFO kablam!     |
Oct 21 17:43:45.552 INFO kablam! 230 |             let n = a.len() as i32;
Oct 21 17:43:45.552 INFO kablam!     |                 ^ help: consider using `_n` instead
Oct 21 17:43:45.552 INFO kablam! 
Oct 21 17:43:45.552 INFO kablam! warning: unused variable: `n`
Oct 21 17:43:45.552 INFO kablam!    --> src/main.rs:241:17
Oct 21 17:43:45.552 INFO kablam!     |
Oct 21 17:43:45.552 INFO kablam! 241 |             let n = a.len() as i32;
Oct 21 17:43:45.552 INFO kablam!     |                 ^ help: consider using `_n` instead
Oct 21 17:43:45.552 INFO kablam! 
Oct 21 17:43:45.559 INFO kablam! warning: variable does not need to be mutable
Oct 21 17:43:45.559 INFO kablam!    --> src/main.rs:142:9
Oct 21 17:43:45.559 INFO kablam!     |
Oct 21 17:43:45.559 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Oct 21 17:43:45.559 INFO kablam!     |         ----^
Oct 21 17:43:45.559 INFO kablam!     |         |
Oct 21 17:43:45.559 INFO kablam!     |         help: remove this `mut`
Oct 21 17:43:45.559 INFO kablam!     |
Oct 21 17:43:45.559 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 17:43:45.559 INFO kablam! 
Oct 21 17:43:45.576 INFO kablam! warning: function is never used: `get_sort_time`
Oct 21 17:43:45.576 INFO kablam!   --> src/main.rs:17:1
Oct 21 17:43:45.576 INFO kablam!    |
Oct 21 17:43:45.576 INFO kablam! 17 | fn get_sort_time(mut v: Vec<i32>, f: fn(&mut Vec<i32>)) -> u64 {
Oct 21 17:43:45.576 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.576 INFO kablam!    |
Oct 21 17:43:45.576 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 17:43:45.576 INFO kablam! 
Oct 21 17:43:45.576 INFO kablam! warning: function is never used: `get_fibo_time`
Oct 21 17:43:45.576 INFO kablam!   --> src/main.rs:24:1
Oct 21 17:43:45.576 INFO kablam!    |
Oct 21 17:43:45.576 INFO kablam! 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 {
Oct 21 17:43:45.576 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.577 INFO kablam! 
Oct 21 17:43:45.577 INFO kablam! warning: function is never used: `make_test_vec_files`
Oct 21 17:43:45.577 INFO kablam!    --> src/main.rs:139:1
Oct 21 17:43:45.577 INFO kablam!     |
Oct 21 17:43:45.577 INFO kablam! 139 | fn make_test_vec_files(start: i32, end: i32) {
Oct 21 17:43:45.577 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.577 INFO kablam! 
Oct 21 17:43:45.577 INFO kablam! warning: function is never used: `pick`
Oct 21 17:43:45.577 INFO kablam!    --> src/main.rs:155:1
Oct 21 17:43:45.577 INFO kablam!     |
Oct 21 17:43:45.577 INFO kablam! 155 | fn pick(a: i32, b: i32) -> i32 {
Oct 21 17:43:45.577 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.577 INFO kablam! 
Oct 21 17:43:45.577 INFO kablam! warning: function is never used: `get_rand_vector`
Oct 21 17:43:45.577 INFO kablam!    --> src/main.rs:162:1
Oct 21 17:43:45.577 INFO kablam!     |
Oct 21 17:43:45.577 INFO kablam! 162 | fn get_rand_vector(len: usize) -> Vec<i32> {
Oct 21 17:43:45.577 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.577 INFO kablam! 
Oct 21 17:43:45.577 INFO kablam! warning: function is never used: `save_vec_to_file`
Oct 21 17:43:45.577 INFO kablam!    --> src/main.rs:171:1
Oct 21 17:43:45.577 INFO kablam!     |
Oct 21 17:43:45.577 INFO kablam! 171 | fn save_vec_to_file(v: Vec<i32>) {
Oct 21 17:43:45.577 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.577 INFO kablam! 
Oct 21 17:43:45.678 INFO kablam! warning: unused import: `rand::Rng`
Oct 21 17:43:45.678 INFO kablam!   --> src/main.rs:13:5
Oct 21 17:43:45.678 INFO kablam!    |
Oct 21 17:43:45.678 INFO kablam! 13 | use rand::Rng;
Oct 21 17:43:45.678 INFO kablam!    |     ^^^^^^^^^
Oct 21 17:43:45.678 INFO kablam!    |
Oct 21 17:43:45.678 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 21 17:43:45.678 INFO kablam! 
Oct 21 17:43:45.737 INFO kablam! warning: unused variable: `i`
Oct 21 17:43:45.737 INFO kablam!   --> src/main.rs:63:9
Oct 21 17:43:45.737 INFO kablam!    |
Oct 21 17:43:45.737 INFO kablam! 63 |     for i in 3..(n+1) {
Oct 21 17:43:45.737 INFO kablam!    |         ^ help: consider using `_i` instead
Oct 21 17:43:45.737 INFO kablam!    |
Oct 21 17:43:45.737 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 17:43:45.737 INFO kablam! 
Oct 21 17:43:45.737 INFO kablam! warning: unused variable: `v`
Oct 21 17:43:45.737 INFO kablam!    --> src/main.rs:142:13
Oct 21 17:43:45.737 INFO kablam!     |
Oct 21 17:43:45.737 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Oct 21 17:43:45.737 INFO kablam!     |             ^ help: consider using `_v` instead
Oct 21 17:43:45.737 INFO kablam! 
Oct 21 17:43:45.737 INFO kablam! warning: unused variable: `i`
Oct 21 17:43:45.737 INFO kablam!    --> src/main.rs:164:9
Oct 21 17:43:45.737 INFO kablam!     |
Oct 21 17:43:45.737 INFO kablam! 164 |     for i in 0..len {
Oct 21 17:43:45.737 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 21 17:43:45.737 INFO kablam! 
Oct 21 17:43:45.737 INFO kablam! warning: value assigned to `data` is never read
Oct 21 17:43:45.737 INFO kablam!    --> src/main.rs:199:13
Oct 21 17:43:45.737 INFO kablam!     |
Oct 21 17:43:45.737 INFO kablam! 199 |     let mut data: Vec<i32> = Vec::new();
Oct 21 17:43:45.737 INFO kablam!     |             ^^^^
Oct 21 17:43:45.737 INFO kablam!     |
Oct 21 17:43:45.737 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 21 17:43:45.737 INFO kablam! 
Oct 21 17:43:45.743 INFO kablam! warning: variable does not need to be mutable
Oct 21 17:43:45.743 INFO kablam!    --> src/main.rs:142:9
Oct 21 17:43:45.743 INFO kablam!     |
Oct 21 17:43:45.743 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Oct 21 17:43:45.743 INFO kablam!     |         ----^
Oct 21 17:43:45.743 INFO kablam!     |         |
Oct 21 17:43:45.743 INFO kablam!     |         help: remove this `mut`
Oct 21 17:43:45.743 INFO kablam!     |
Oct 21 17:43:45.743 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 17:43:45.743 INFO kablam! 
Oct 21 17:43:45.747 INFO kablam! warning: function is never used: `get_sort_time`
Oct 21 17:43:45.747 INFO kablam!   --> src/main.rs:17:1
Oct 21 17:43:45.748 INFO kablam!    |
Oct 21 17:43:45.748 INFO kablam! 17 | fn get_sort_time(mut v: Vec<i32>, f: fn(&mut Vec<i32>)) -> u64 {
Oct 21 17:43:45.748 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.748 INFO kablam!    |
Oct 21 17:43:45.748 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 17:43:45.748 INFO kablam! 
Oct 21 17:43:45.748 INFO kablam! warning: function is never used: `get_fibo_time`
Oct 21 17:43:45.748 INFO kablam!   --> src/main.rs:24:1
Oct 21 17:43:45.748 INFO kablam!    |
Oct 21 17:43:45.748 INFO kablam! 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 {
Oct 21 17:43:45.748 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.748 INFO kablam! 
Oct 21 17:43:45.748 INFO kablam! warning: function is never used: `make_test_vec_files`
Oct 21 17:43:45.748 INFO kablam!    --> src/main.rs:139:1
Oct 21 17:43:45.748 INFO kablam!     |
Oct 21 17:43:45.748 INFO kablam! 139 | fn make_test_vec_files(start: i32, end: i32) {
Oct 21 17:43:45.748 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.748 INFO kablam! 
Oct 21 17:43:45.748 INFO kablam! warning: function is never used: `pick`
Oct 21 17:43:45.748 INFO kablam!    --> src/main.rs:155:1
Oct 21 17:43:45.748 INFO kablam!     |
Oct 21 17:43:45.748 INFO kablam! 155 | fn pick(a: i32, b: i32) -> i32 {
Oct 21 17:43:45.748 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.748 INFO kablam! 
Oct 21 17:43:45.748 INFO kablam! warning: function is never used: `get_rand_vector`
Oct 21 17:43:45.748 INFO kablam!    --> src/main.rs:162:1
Oct 21 17:43:45.748 INFO kablam!     |
Oct 21 17:43:45.748 INFO kablam! 162 | fn get_rand_vector(len: usize) -> Vec<i32> {
Oct 21 17:43:45.748 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.748 INFO kablam! 
Oct 21 17:43:45.748 INFO kablam! warning: function is never used: `save_vec_to_file`
Oct 21 17:43:45.748 INFO kablam!    --> src/main.rs:171:1
Oct 21 17:43:45.748 INFO kablam!     |
Oct 21 17:43:45.748 INFO kablam! 171 | fn save_vec_to_file(v: Vec<i32>) {
Oct 21 17:43:45.748 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.748 INFO kablam! 
Oct 21 17:43:45.748 INFO kablam! warning: function is never used: `read_vector_from_file`
Oct 21 17:43:45.748 INFO kablam!    --> src/main.rs:196:1
Oct 21 17:43:45.748 INFO kablam!     |
Oct 21 17:43:45.748 INFO kablam! 196 | fn read_vector_from_file(p: &str) -> Vec<i32> {
Oct 21 17:43:45.748 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 17:43:45.748 INFO kablam! 
Oct 21 17:43:45.812 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Oct 21 17:43:45.812 INFO kablam! su: No module specific data is present
Oct 21 17:43:46.624 INFO running `"docker" "rm" "-f" "915220e1751d45fcea953f64f3c92719acaaa4da659af7dd1733d87f564905dd"`
Oct 21 17:43:46.958 INFO blam! 915220e1751d45fcea953f64f3c92719acaaa4da659af7dd1733d87f564905dd