Nov 28 05:02:33.928 INFO checking gavrielrh/recursion-benchmarking against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074 Nov 28 05:02:33.928 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 05:02:34.434 INFO [stdout] 5b492e7dc159e28eef6c0d7cab13b297115eeaf49c4927b3bd4acf6e98e1efc6 Nov 28 05:02:34.437 INFO running `"docker" "start" "-a" "5b492e7dc159e28eef6c0d7cab13b297115eeaf49c4927b3bd4acf6e98e1efc6"` Nov 28 05:02:36.583 INFO [stderr] usermod: no changes Nov 28 05:02:36.696 INFO [stderr] Checking recursion v0.1.0 (/source) Nov 28 05:02:37.425 INFO [stderr] warning: unused import: `rand::Rng` Nov 28 05:02:37.425 INFO [stderr] --> src/main.rs:13:5 Nov 28 05:02:37.425 INFO [stderr] | Nov 28 05:02:37.425 INFO [stderr] 13 | use rand::Rng; Nov 28 05:02:37.425 INFO [stderr] | ^^^^^^^^^ Nov 28 05:02:37.425 INFO [stderr] | Nov 28 05:02:37.425 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 28 05:02:37.425 INFO [stderr] Nov 28 05:02:37.514 INFO [stderr] warning: unused variable: `i` Nov 28 05:02:37.514 INFO [stderr] --> src/main.rs:63:9 Nov 28 05:02:37.514 INFO [stderr] | Nov 28 05:02:37.514 INFO [stderr] 63 | for i in 3..(n+1) { Nov 28 05:02:37.515 INFO [stderr] | ^ help: consider using `_i` instead Nov 28 05:02:37.515 INFO [stderr] | Nov 28 05:02:37.515 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 28 05:02:37.515 INFO [stderr] Nov 28 05:02:37.515 INFO [stderr] warning: unused variable: `v` Nov 28 05:02:37.516 INFO [stderr] --> src/main.rs:142:13 Nov 28 05:02:37.516 INFO [stderr] | Nov 28 05:02:37.516 INFO [stderr] 142 | let mut v: Vec = Vec::new(); Nov 28 05:02:37.517 INFO [stderr] | ^ help: consider using `_v` instead Nov 28 05:02:37.517 INFO [stderr] Nov 28 05:02:37.517 INFO [stderr] warning: unused variable: `i` Nov 28 05:02:37.517 INFO [stderr] --> src/main.rs:164:9 Nov 28 05:02:37.518 INFO [stderr] | Nov 28 05:02:37.518 INFO [stderr] 164 | for i in 0..len { Nov 28 05:02:37.518 INFO [stderr] | ^ help: consider using `_i` instead Nov 28 05:02:37.518 INFO [stderr] Nov 28 05:02:37.519 INFO [stderr] warning: value assigned to `data` is never read Nov 28 05:02:37.519 INFO [stderr] --> src/main.rs:199:13 Nov 28 05:02:37.519 INFO [stderr] | Nov 28 05:02:37.519 INFO [stderr] 199 | let mut data: Vec = Vec::new(); Nov 28 05:02:37.520 INFO [stderr] | ^^^^ Nov 28 05:02:37.524 INFO [stderr] | Nov 28 05:02:37.524 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 28 05:02:37.525 INFO [stderr] Nov 28 05:02:37.528 INFO [stderr] warning: variable does not need to be mutable Nov 28 05:02:37.528 INFO [stderr] --> src/main.rs:142:9 Nov 28 05:02:37.529 INFO [stderr] | Nov 28 05:02:37.529 INFO [stderr] 142 | let mut v: Vec = Vec::new(); Nov 28 05:02:37.529 INFO [stderr] | ----^ Nov 28 05:02:37.529 INFO [stderr] | | Nov 28 05:02:37.529 INFO [stderr] | help: remove this `mut` Nov 28 05:02:37.529 INFO [stderr] | Nov 28 05:02:37.530 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 28 05:02:37.530 INFO [stderr] Nov 28 05:02:37.540 INFO [stderr] warning: function is never used: `get_sort_time` Nov 28 05:02:37.541 INFO [stderr] --> src/main.rs:17:1 Nov 28 05:02:37.541 INFO [stderr] | Nov 28 05:02:37.541 INFO [stderr] 17 | fn get_sort_time(mut v: Vec, f: fn(&mut Vec)) -> u64 { Nov 28 05:02:37.541 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.541 INFO [stderr] | Nov 28 05:02:37.541 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 05:02:37.542 INFO [stderr] Nov 28 05:02:37.542 INFO [stderr] warning: function is never used: `get_fibo_time` Nov 28 05:02:37.542 INFO [stderr] --> src/main.rs:24:1 Nov 28 05:02:37.542 INFO [stderr] | Nov 28 05:02:37.542 INFO [stderr] 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 { Nov 28 05:02:37.542 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.543 INFO [stderr] Nov 28 05:02:37.543 INFO [stderr] warning: function is never used: `make_test_vec_files` Nov 28 05:02:37.543 INFO [stderr] --> src/main.rs:139:1 Nov 28 05:02:37.543 INFO [stderr] | Nov 28 05:02:37.543 INFO [stderr] 139 | fn make_test_vec_files(start: i32, end: i32) { Nov 28 05:02:37.543 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.543 INFO [stderr] Nov 28 05:02:37.544 INFO [stderr] warning: function is never used: `pick` Nov 28 05:02:37.544 INFO [stderr] --> src/main.rs:155:1 Nov 28 05:02:37.544 INFO [stderr] | Nov 28 05:02:37.544 INFO [stderr] 155 | fn pick(a: i32, b: i32) -> i32 { Nov 28 05:02:37.544 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.544 INFO [stderr] Nov 28 05:02:37.545 INFO [stderr] warning: function is never used: `get_rand_vector` Nov 28 05:02:37.545 INFO [stderr] --> src/main.rs:162:1 Nov 28 05:02:37.545 INFO [stderr] | Nov 28 05:02:37.545 INFO [stderr] 162 | fn get_rand_vector(len: usize) -> Vec { Nov 28 05:02:37.545 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.545 INFO [stderr] Nov 28 05:02:37.545 INFO [stderr] warning: function is never used: `save_vec_to_file` Nov 28 05:02:37.546 INFO [stderr] --> src/main.rs:171:1 Nov 28 05:02:37.546 INFO [stderr] | Nov 28 05:02:37.546 INFO [stderr] 171 | fn save_vec_to_file(v: Vec) { Nov 28 05:02:37.546 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.546 INFO [stderr] Nov 28 05:02:37.546 INFO [stderr] warning: function is never used: `read_vector_from_file` Nov 28 05:02:37.546 INFO [stderr] --> src/main.rs:196:1 Nov 28 05:02:37.547 INFO [stderr] | Nov 28 05:02:37.547 INFO [stderr] 196 | fn read_vector_from_file(p: &str) -> Vec { Nov 28 05:02:37.547 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.547 INFO [stderr] Nov 28 05:02:37.547 INFO [stderr] warning: unused import: `rand::Rng` Nov 28 05:02:37.547 INFO [stderr] --> src/main.rs:13:5 Nov 28 05:02:37.548 INFO [stderr] | Nov 28 05:02:37.548 INFO [stderr] 13 | use rand::Rng; Nov 28 05:02:37.548 INFO [stderr] | ^^^^^^^^^ Nov 28 05:02:37.548 INFO [stderr] | Nov 28 05:02:37.548 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 28 05:02:37.548 INFO [stderr] Nov 28 05:02:37.676 INFO [stderr] warning: unused variable: `i` Nov 28 05:02:37.676 INFO [stderr] --> src/main.rs:63:9 Nov 28 05:02:37.676 INFO [stderr] | Nov 28 05:02:37.677 INFO [stderr] 63 | for i in 3..(n+1) { Nov 28 05:02:37.677 INFO [stderr] | ^ help: consider using `_i` instead Nov 28 05:02:37.677 INFO [stderr] | Nov 28 05:02:37.677 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 28 05:02:37.677 INFO [stderr] Nov 28 05:02:37.677 INFO [stderr] warning: unused variable: `v` Nov 28 05:02:37.677 INFO [stderr] --> src/main.rs:142:13 Nov 28 05:02:37.677 INFO [stderr] | Nov 28 05:02:37.677 INFO [stderr] 142 | let mut v: Vec = Vec::new(); Nov 28 05:02:37.677 INFO [stderr] | ^ help: consider using `_v` instead Nov 28 05:02:37.677 INFO [stderr] Nov 28 05:02:37.678 INFO [stderr] warning: unused variable: `i` Nov 28 05:02:37.678 INFO [stderr] --> src/main.rs:164:9 Nov 28 05:02:37.678 INFO [stderr] | Nov 28 05:02:37.678 INFO [stderr] 164 | for i in 0..len { Nov 28 05:02:37.678 INFO [stderr] | ^ help: consider using `_i` instead Nov 28 05:02:37.678 INFO [stderr] Nov 28 05:02:37.678 INFO [stderr] warning: value assigned to `data` is never read Nov 28 05:02:37.678 INFO [stderr] --> src/main.rs:199:13 Nov 28 05:02:37.678 INFO [stderr] | Nov 28 05:02:37.679 INFO [stderr] 199 | let mut data: Vec = Vec::new(); Nov 28 05:02:37.679 INFO [stderr] | ^^^^ Nov 28 05:02:37.679 INFO [stderr] | Nov 28 05:02:37.679 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 28 05:02:37.679 INFO [stderr] Nov 28 05:02:37.679 INFO [stderr] warning: unused variable: `n` Nov 28 05:02:37.679 INFO [stderr] --> src/main.rs:230:17 Nov 28 05:02:37.679 INFO [stderr] | Nov 28 05:02:37.679 INFO [stderr] 230 | let n = a.len() as i32; Nov 28 05:02:37.679 INFO [stderr] | ^ help: consider using `_n` instead Nov 28 05:02:37.679 INFO [stderr] Nov 28 05:02:37.684 INFO [stderr] warning: unused variable: `n` Nov 28 05:02:37.684 INFO [stderr] --> src/main.rs:241:17 Nov 28 05:02:37.684 INFO [stderr] | Nov 28 05:02:37.684 INFO [stderr] 241 | let n = a.len() as i32; Nov 28 05:02:37.684 INFO [stderr] | ^ help: consider using `_n` instead Nov 28 05:02:37.684 INFO [stderr] Nov 28 05:02:37.700 INFO [stderr] warning: variable does not need to be mutable Nov 28 05:02:37.701 INFO [stderr] --> src/main.rs:142:9 Nov 28 05:02:37.701 INFO [stderr] | Nov 28 05:02:37.708 INFO [stderr] 142 | let mut v: Vec = Vec::new(); Nov 28 05:02:37.708 INFO [stderr] | ----^ Nov 28 05:02:37.708 INFO [stderr] | | Nov 28 05:02:37.708 INFO [stderr] | help: remove this `mut` Nov 28 05:02:37.708 INFO [stderr] | Nov 28 05:02:37.708 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 28 05:02:37.708 INFO [stderr] Nov 28 05:02:37.732 INFO [stderr] warning: function is never used: `get_sort_time` Nov 28 05:02:37.733 INFO [stderr] --> src/main.rs:17:1 Nov 28 05:02:37.733 INFO [stderr] | Nov 28 05:02:37.733 INFO [stderr] 17 | fn get_sort_time(mut v: Vec, f: fn(&mut Vec)) -> u64 { Nov 28 05:02:37.733 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.733 INFO [stderr] | Nov 28 05:02:37.734 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 05:02:37.734 INFO [stderr] Nov 28 05:02:37.734 INFO [stderr] warning: function is never used: `get_fibo_time` Nov 28 05:02:37.734 INFO [stderr] --> src/main.rs:24:1 Nov 28 05:02:37.734 INFO [stderr] | Nov 28 05:02:37.734 INFO [stderr] 24 | fn get_fibo_time(n: u64, f: fn(u64) -> u64) -> u64 { Nov 28 05:02:37.734 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.734 INFO [stderr] Nov 28 05:02:37.734 INFO [stderr] warning: function is never used: `make_test_vec_files` Nov 28 05:02:37.734 INFO [stderr] --> src/main.rs:139:1 Nov 28 05:02:37.734 INFO [stderr] | Nov 28 05:02:37.734 INFO [stderr] 139 | fn make_test_vec_files(start: i32, end: i32) { Nov 28 05:02:37.734 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.734 INFO [stderr] Nov 28 05:02:37.734 INFO [stderr] warning: function is never used: `pick` Nov 28 05:02:37.734 INFO [stderr] --> src/main.rs:155:1 Nov 28 05:02:37.734 INFO [stderr] | Nov 28 05:02:37.735 INFO [stderr] 155 | fn pick(a: i32, b: i32) -> i32 { Nov 28 05:02:37.735 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.735 INFO [stderr] Nov 28 05:02:37.735 INFO [stderr] warning: function is never used: `get_rand_vector` Nov 28 05:02:37.735 INFO [stderr] --> src/main.rs:162:1 Nov 28 05:02:37.735 INFO [stderr] | Nov 28 05:02:37.735 INFO [stderr] 162 | fn get_rand_vector(len: usize) -> Vec { Nov 28 05:02:37.735 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.735 INFO [stderr] Nov 28 05:02:37.735 INFO [stderr] warning: function is never used: `save_vec_to_file` Nov 28 05:02:37.735 INFO [stderr] --> src/main.rs:171:1 Nov 28 05:02:37.735 INFO [stderr] | Nov 28 05:02:37.735 INFO [stderr] 171 | fn save_vec_to_file(v: Vec) { Nov 28 05:02:37.735 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 05:02:37.735 INFO [stderr] Nov 28 05:02:37.780 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.16s Nov 28 05:02:37.788 INFO [stderr] su: No module specific data is present Nov 28 05:02:38.966 INFO running `"docker" "inspect" "5b492e7dc159e28eef6c0d7cab13b297115eeaf49c4927b3bd4acf6e98e1efc6"` Nov 28 05:02:39.332 INFO running `"docker" "rm" "-f" "5b492e7dc159e28eef6c0d7cab13b297115eeaf49c4927b3bd4acf6e98e1efc6"` Nov 28 05:02:39.628 INFO [stdout] 5b492e7dc159e28eef6c0d7cab13b297115eeaf49c4927b3bd4acf6e98e1efc6