Oct 12 21:17:18.118 INFO checking gavrielrh/recursion-benchmarking against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:17:18.120 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 21:17:18.624 INFO blam! c9183a409c41a454c0437f79093901f9c7cbf909be90e21fe0f6f00252d7facd
Oct 12 21:17:18.627 INFO running `"docker" "start" "-a" "c9183a409c41a454c0437f79093901f9c7cbf909be90e21fe0f6f00252d7facd"`
Oct 12 21:17:21.728 INFO kablam! usermod: no changes
Oct 12 21:17:21.827 INFO kablam!     Checking recursion v0.1.0 (/source)
Oct 12 21:17:22.552 INFO kablam! warning: unused import: `rand::Rng`
Oct 12 21:17:22.552 INFO kablam!   --> src/main.rs:13:5
Oct 12 21:17:22.552 INFO kablam!    |
Oct 12 21:17:22.552 INFO kablam! 13 | use rand::Rng;
Oct 12 21:17:22.552 INFO kablam!    |     ^^^^^^^^^
Oct 12 21:17:22.552 INFO kablam!    |
Oct 12 21:17:22.552 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 21:17:22.552 INFO kablam! 
Oct 12 21:17:22.699 INFO kablam! warning: unused variable: `i`
Oct 12 21:17:22.699 INFO kablam!   --> src/main.rs:63:9
Oct 12 21:17:22.699 INFO kablam!    |
Oct 12 21:17:22.699 INFO kablam! 63 |     for i in 3..(n+1) {
Oct 12 21:17:22.699 INFO kablam!    |         ^ help: consider using `_i` instead
Oct 12 21:17:22.699 INFO kablam!    |
Oct 12 21:17:22.704 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:17:22.705 INFO kablam! 
Oct 12 21:17:22.705 INFO kablam! warning: unused variable: `v`
Oct 12 21:17:22.705 INFO kablam!    --> src/main.rs:142:13
Oct 12 21:17:22.705 INFO kablam!     |
Oct 12 21:17:22.705 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Oct 12 21:17:22.705 INFO kablam!     |             ^ help: consider using `_v` instead
Oct 12 21:17:22.706 INFO kablam! 
Oct 12 21:17:22.706 INFO kablam! warning: unused variable: `i`
Oct 12 21:17:22.706 INFO kablam!    --> src/main.rs:164:9
Oct 12 21:17:22.706 INFO kablam!     |
Oct 12 21:17:22.707 INFO kablam! 164 |     for i in 0..len {
Oct 12 21:17:22.707 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 12 21:17:22.707 INFO kablam! 
Oct 12 21:17:22.707 INFO kablam! warning: value assigned to `data` is never read
Oct 12 21:17:22.707 INFO kablam!    --> src/main.rs:199:13
Oct 12 21:17:22.707 INFO kablam!     |
Oct 12 21:17:22.707 INFO kablam! 199 |     let mut data: Vec<i32> = Vec::new();
Oct 12 21:17:22.707 INFO kablam!     |             ^^^^
Oct 12 21:17:22.707 INFO kablam!     |
Oct 12 21:17:22.707 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 12 21:17:22.707 INFO kablam! 
Oct 12 21:17:22.724 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:17:22.725 INFO kablam!    --> src/main.rs:142:9
Oct 12 21:17:22.725 INFO kablam!     |
Oct 12 21:17:22.725 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Oct 12 21:17:22.725 INFO kablam!     |         ----^
Oct 12 21:17:22.725 INFO kablam!     |         |
Oct 12 21:17:22.725 INFO kablam!     |         help: remove this `mut`
Oct 12 21:17:22.725 INFO kablam!     |
Oct 12 21:17:22.725 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 21:17:22.725 INFO kablam! 
Oct 12 21:17:22.740 INFO kablam! warning: function is never used: `get_sort_time`
Oct 12 21:17:22.740 INFO kablam!   --> src/main.rs:17:1
Oct 12 21:17:22.741 INFO kablam!    |
Oct 12 21:17:22.741 INFO kablam! 17 | fn get_sort_time(mut v: Vec<i32>, f: fn(&mut Vec<i32>)) -> u64 {
Oct 12 21:17:22.741 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.742 INFO kablam!    |
Oct 12 21:17:22.742 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 21:17:22.742 INFO kablam! 
Oct 12 21:17:22.742 INFO kablam! warning: function is never used: `get_fibo_time`
Oct 12 21:17:22.743 INFO kablam!   --> src/main.rs:24:1
Oct 12 21:17:22.743 INFO kablam!    |
Oct 12 21:17:22.743 INFO kablam! 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 {
Oct 12 21:17:22.743 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.744 INFO kablam! 
Oct 12 21:17:22.744 INFO kablam! warning: function is never used: `make_test_vec_files`
Oct 12 21:17:22.744 INFO kablam!    --> src/main.rs:139:1
Oct 12 21:17:22.744 INFO kablam!     |
Oct 12 21:17:22.745 INFO kablam! 139 | fn make_test_vec_files(start: i32, end: i32) {
Oct 12 21:17:22.745 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.745 INFO kablam! 
Oct 12 21:17:22.745 INFO kablam! warning: function is never used: `pick`
Oct 12 21:17:22.746 INFO kablam!    --> src/main.rs:155:1
Oct 12 21:17:22.746 INFO kablam!     |
Oct 12 21:17:22.746 INFO kablam! 155 | fn pick(a: i32, b: i32) -> i32 {
Oct 12 21:17:22.746 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.746 INFO kablam! 
Oct 12 21:17:22.747 INFO kablam! warning: function is never used: `get_rand_vector`
Oct 12 21:17:22.747 INFO kablam!    --> src/main.rs:162:1
Oct 12 21:17:22.747 INFO kablam!     |
Oct 12 21:17:22.747 INFO kablam! 162 | fn get_rand_vector(len: usize) -> Vec<i32> {
Oct 12 21:17:22.747 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.748 INFO kablam! 
Oct 12 21:17:22.748 INFO kablam! warning: function is never used: `save_vec_to_file`
Oct 12 21:17:22.748 INFO kablam!    --> src/main.rs:171:1
Oct 12 21:17:22.748 INFO kablam!     |
Oct 12 21:17:22.749 INFO kablam! 171 | fn save_vec_to_file(v: Vec<i32>) {
Oct 12 21:17:22.749 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.749 INFO kablam! 
Oct 12 21:17:22.749 INFO kablam! warning: function is never used: `read_vector_from_file`
Oct 12 21:17:22.750 INFO kablam!    --> src/main.rs:196:1
Oct 12 21:17:22.750 INFO kablam!     |
Oct 12 21:17:22.750 INFO kablam! 196 | fn read_vector_from_file(p: &str) -> Vec<i32> {
Oct 12 21:17:22.750 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.751 INFO kablam! 
Oct 12 21:17:22.778 INFO kablam! warning: unused import: `rand::Rng`
Oct 12 21:17:22.779 INFO kablam!   --> src/main.rs:13:5
Oct 12 21:17:22.779 INFO kablam!    |
Oct 12 21:17:22.779 INFO kablam! 13 | use rand::Rng;
Oct 12 21:17:22.780 INFO kablam!    |     ^^^^^^^^^
Oct 12 21:17:22.780 INFO kablam!    |
Oct 12 21:17:22.780 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 21:17:22.780 INFO kablam! 
Oct 12 21:17:22.953 INFO kablam! warning: unused variable: `i`
Oct 12 21:17:22.954 INFO kablam!   --> src/main.rs:63:9
Oct 12 21:17:22.954 INFO kablam!    |
Oct 12 21:17:22.954 INFO kablam! 63 |     for i in 3..(n+1) {
Oct 12 21:17:22.954 INFO kablam!    |         ^ help: consider using `_i` instead
Oct 12 21:17:22.955 INFO kablam!    |
Oct 12 21:17:22.955 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:17:22.955 INFO kablam! 
Oct 12 21:17:22.955 INFO kablam! warning: unused variable: `v`
Oct 12 21:17:22.956 INFO kablam!    --> src/main.rs:142:13
Oct 12 21:17:22.956 INFO kablam!     |
Oct 12 21:17:22.956 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Oct 12 21:17:22.956 INFO kablam!     |             ^ help: consider using `_v` instead
Oct 12 21:17:22.956 INFO kablam! 
Oct 12 21:17:22.957 INFO kablam! warning: unused variable: `i`
Oct 12 21:17:22.957 INFO kablam!    --> src/main.rs:164:9
Oct 12 21:17:22.957 INFO kablam!     |
Oct 12 21:17:22.957 INFO kablam! 164 |     for i in 0..len {
Oct 12 21:17:22.958 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 12 21:17:22.958 INFO kablam! 
Oct 12 21:17:22.958 INFO kablam! warning: value assigned to `data` is never read
Oct 12 21:17:22.958 INFO kablam!    --> src/main.rs:199:13
Oct 12 21:17:22.958 INFO kablam!     |
Oct 12 21:17:22.959 INFO kablam! 199 |     let mut data: Vec<i32> = Vec::new();
Oct 12 21:17:22.959 INFO kablam!     |             ^^^^
Oct 12 21:17:22.959 INFO kablam!     |
Oct 12 21:17:22.959 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 12 21:17:22.960 INFO kablam! 
Oct 12 21:17:22.960 INFO kablam! warning: unused variable: `n`
Oct 12 21:17:22.960 INFO kablam!    --> src/main.rs:230:17
Oct 12 21:17:22.960 INFO kablam!     |
Oct 12 21:17:22.961 INFO kablam! 230 |             let n = a.len() as i32;
Oct 12 21:17:22.961 INFO kablam!     |                 ^ help: consider using `_n` instead
Oct 12 21:17:22.961 INFO kablam! 
Oct 12 21:17:22.961 INFO kablam! warning: unused variable: `n`
Oct 12 21:17:22.962 INFO kablam!    --> src/main.rs:241:17
Oct 12 21:17:22.962 INFO kablam!     |
Oct 12 21:17:22.962 INFO kablam! 241 |             let n = a.len() as i32;
Oct 12 21:17:22.963 INFO kablam!     |                 ^ help: consider using `_n` instead
Oct 12 21:17:22.963 INFO kablam! 
Oct 12 21:17:22.964 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:17:22.964 INFO kablam!    --> src/main.rs:142:9
Oct 12 21:17:22.965 INFO kablam!     |
Oct 12 21:17:22.965 INFO kablam! 142 |     let mut v: Vec<i32> = Vec::new();
Oct 12 21:17:22.965 INFO kablam!     |         ----^
Oct 12 21:17:22.965 INFO kablam!     |         |
Oct 12 21:17:22.966 INFO kablam!     |         help: remove this `mut`
Oct 12 21:17:22.966 INFO kablam!     |
Oct 12 21:17:22.966 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 21:17:22.966 INFO kablam! 
Oct 12 21:17:22.992 INFO kablam! warning: function is never used: `get_sort_time`
Oct 12 21:17:22.993 INFO kablam!   --> src/main.rs:17:1
Oct 12 21:17:22.993 INFO kablam!    |
Oct 12 21:17:22.994 INFO kablam! 17 | fn get_sort_time(mut v: Vec<i32>, f: fn(&mut Vec<i32>)) -> u64 {
Oct 12 21:17:22.994 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.994 INFO kablam!    |
Oct 12 21:17:22.994 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 21:17:22.994 INFO kablam! 
Oct 12 21:17:22.994 INFO kablam! warning: function is never used: `get_fibo_time`
Oct 12 21:17:22.994 INFO kablam!   --> src/main.rs:24:1
Oct 12 21:17:22.995 INFO kablam!    |
Oct 12 21:17:22.995 INFO kablam! 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 {
Oct 12 21:17:22.995 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.995 INFO kablam! 
Oct 12 21:17:22.995 INFO kablam! warning: function is never used: `make_test_vec_files`
Oct 12 21:17:22.995 INFO kablam!    --> src/main.rs:139:1
Oct 12 21:17:22.995 INFO kablam!     |
Oct 12 21:17:22.996 INFO kablam! 139 | fn make_test_vec_files(start: i32, end: i32) {
Oct 12 21:17:22.996 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.996 INFO kablam! 
Oct 12 21:17:22.996 INFO kablam! warning: function is never used: `pick`
Oct 12 21:17:22.997 INFO kablam!    --> src/main.rs:155:1
Oct 12 21:17:22.997 INFO kablam!     |
Oct 12 21:17:22.997 INFO kablam! 155 | fn pick(a: i32, b: i32) -> i32 {
Oct 12 21:17:22.998 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.998 INFO kablam! 
Oct 12 21:17:22.998 INFO kablam! warning: function is never used: `get_rand_vector`
Oct 12 21:17:22.998 INFO kablam!    --> src/main.rs:162:1
Oct 12 21:17:22.998 INFO kablam!     |
Oct 12 21:17:22.998 INFO kablam! 162 | fn get_rand_vector(len: usize) -> Vec<i32> {
Oct 12 21:17:22.998 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.998 INFO kablam! 
Oct 12 21:17:22.998 INFO kablam! warning: function is never used: `save_vec_to_file`
Oct 12 21:17:22.998 INFO kablam!    --> src/main.rs:171:1
Oct 12 21:17:22.998 INFO kablam!     |
Oct 12 21:17:22.999 INFO kablam! 171 | fn save_vec_to_file(v: Vec<i32>) {
Oct 12 21:17:22.999 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:17:22.999 INFO kablam! 
Oct 12 21:17:23.029 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Oct 12 21:17:23.032 INFO kablam! su: No module specific data is present
Oct 12 21:17:24.350 INFO running `"docker" "rm" "-f" "c9183a409c41a454c0437f79093901f9c7cbf909be90e21fe0f6f00252d7facd"`
Oct 12 21:17:24.833 INFO blam! c9183a409c41a454c0437f79093901f9c7cbf909be90e21fe0f6f00252d7facd