Oct 12 19:20:00.793 INFO checking k-masatany/rust_self_study against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:20:00.793 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 19:20:01.256 INFO blam! 00df463c79d1c98057e1f3503bdf763704f8e066146b8a345bc43bd7a2bfb6d1
Oct 12 19:20:01.262 INFO running `"docker" "start" "-a" "00df463c79d1c98057e1f3503bdf763704f8e066146b8a345bc43bd7a2bfb6d1"`
Oct 12 19:20:02.624 INFO kablam! usermod: no changes
Oct 12 19:20:02.698 INFO kablam!     Checking rust_self_study v0.1.0 (/source)
Oct 12 19:20:03.264 INFO kablam! warning: unused variable: `n`
Oct 12 19:20:03.264 INFO kablam!  --> src/main.rs:7:9
Oct 12 19:20:03.264 INFO kablam!   |
Oct 12 19:20:03.264 INFO kablam! 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Oct 12 19:20:03.264 INFO kablam!   |         ^ help: consider using `_n` instead
Oct 12 19:20:03.264 INFO kablam!   |
Oct 12 19:20:03.264 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:20:03.264 INFO kablam! 
Oct 12 19:20:03.268 INFO kablam! warning: function is never used: `multiples_of_3_and_5`
Oct 12 19:20:03.268 INFO kablam!  --> src/problems/prob1.rs:1:1
Oct 12 19:20:03.268 INFO kablam!   |
Oct 12 19:20:03.268 INFO kablam! 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Oct 12 19:20:03.268 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.268 INFO kablam!   |
Oct 12 19:20:03.268 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:20:03.268 INFO kablam! 
Oct 12 19:20:03.268 INFO kablam! warning: function is never used: `tail_multiples_of_3_and_5`
Oct 12 19:20:03.268 INFO kablam!  --> src/problems/prob1.rs:5:1
Oct 12 19:20:03.268 INFO kablam!   |
Oct 12 19:20:03.268 INFO kablam! 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Oct 12 19:20:03.268 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.268 INFO kablam! 
Oct 12 19:20:03.268 INFO kablam! warning: function is never used: `even_fibonacci_numbers`
Oct 12 19:20:03.268 INFO kablam!  --> src/problems/prob2.rs:1:1
Oct 12 19:20:03.268 INFO kablam!   |
Oct 12 19:20:03.268 INFO kablam! 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Oct 12 19:20:03.268 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.268 INFO kablam! 
Oct 12 19:20:03.268 INFO kablam! warning: function is never used: `tail_even_fibonacci_numbers`
Oct 12 19:20:03.268 INFO kablam!  --> src/problems/prob2.rs:5:1
Oct 12 19:20:03.268 INFO kablam!   |
Oct 12 19:20:03.268 INFO kablam! 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Oct 12 19:20:03.268 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.268 INFO kablam! 
Oct 12 19:20:03.268 INFO kablam! warning: function is never used: `largest_prime_factor`
Oct 12 19:20:03.268 INFO kablam!  --> src/problems/prob3.rs:1:1
Oct 12 19:20:03.268 INFO kablam!   |
Oct 12 19:20:03.268 INFO kablam! 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Oct 12 19:20:03.268 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.269 INFO kablam! 
Oct 12 19:20:03.269 INFO kablam! warning: function is never used: `tail_largest_prime_factor`
Oct 12 19:20:03.269 INFO kablam!  --> src/problems/prob3.rs:5:1
Oct 12 19:20:03.269 INFO kablam!   |
Oct 12 19:20:03.269 INFO kablam! 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Oct 12 19:20:03.269 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.269 INFO kablam! 
Oct 12 19:20:03.351 INFO kablam! warning: unused variable: `n`
Oct 12 19:20:03.351 INFO kablam!  --> src/main.rs:7:9
Oct 12 19:20:03.351 INFO kablam!   |
Oct 12 19:20:03.351 INFO kablam! 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Oct 12 19:20:03.351 INFO kablam!   |         ^ help: consider using `_n` instead
Oct 12 19:20:03.351 INFO kablam!   |
Oct 12 19:20:03.351 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:20:03.351 INFO kablam! 
Oct 12 19:20:03.359 INFO kablam! warning: function is never used: `multiples_of_3_and_5`
Oct 12 19:20:03.359 INFO kablam!  --> src/problems/prob1.rs:1:1
Oct 12 19:20:03.359 INFO kablam!   |
Oct 12 19:20:03.359 INFO kablam! 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Oct 12 19:20:03.359 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.359 INFO kablam!   |
Oct 12 19:20:03.359 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:20:03.359 INFO kablam! 
Oct 12 19:20:03.359 INFO kablam! warning: function is never used: `tail_multiples_of_3_and_5`
Oct 12 19:20:03.359 INFO kablam!  --> src/problems/prob1.rs:5:1
Oct 12 19:20:03.359 INFO kablam!   |
Oct 12 19:20:03.359 INFO kablam! 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Oct 12 19:20:03.359 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.359 INFO kablam! 
Oct 12 19:20:03.359 INFO kablam! warning: function is never used: `even_fibonacci_numbers`
Oct 12 19:20:03.359 INFO kablam!  --> src/problems/prob2.rs:1:1
Oct 12 19:20:03.359 INFO kablam!   |
Oct 12 19:20:03.359 INFO kablam! 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Oct 12 19:20:03.359 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.359 INFO kablam! 
Oct 12 19:20:03.359 INFO kablam! warning: function is never used: `tail_even_fibonacci_numbers`
Oct 12 19:20:03.359 INFO kablam!  --> src/problems/prob2.rs:5:1
Oct 12 19:20:03.359 INFO kablam!   |
Oct 12 19:20:03.359 INFO kablam! 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Oct 12 19:20:03.359 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.359 INFO kablam! 
Oct 12 19:20:03.359 INFO kablam! warning: function is never used: `largest_prime_factor`
Oct 12 19:20:03.359 INFO kablam!  --> src/problems/prob3.rs:1:1
Oct 12 19:20:03.359 INFO kablam!   |
Oct 12 19:20:03.359 INFO kablam! 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Oct 12 19:20:03.359 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.359 INFO kablam! 
Oct 12 19:20:03.359 INFO kablam! warning: function is never used: `tail_largest_prime_factor`
Oct 12 19:20:03.359 INFO kablam!  --> src/problems/prob3.rs:5:1
Oct 12 19:20:03.359 INFO kablam!   |
Oct 12 19:20:03.359 INFO kablam! 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Oct 12 19:20:03.359 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:20:03.359 INFO kablam! 
Oct 12 19:20:03.392 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Oct 12 19:20:03.392 INFO kablam! su: No module specific data is present
Oct 12 19:20:04.334 INFO running `"docker" "rm" "-f" "00df463c79d1c98057e1f3503bdf763704f8e066146b8a345bc43bd7a2bfb6d1"`
Oct 12 19:20:04.565 INFO blam! 00df463c79d1c98057e1f3503bdf763704f8e066146b8a345bc43bd7a2bfb6d1