Oct 21 16:40:32.751 INFO checking k-masatany/rust_self_study against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 16:40:32.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-7/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 16:40:33.048 INFO blam! fc351d69cd99cc632c42c59d368cfb88a160c300b131ac08877249fb95fcf41a
Oct 21 16:40:33.052 INFO running `"docker" "start" "-a" "fc351d69cd99cc632c42c59d368cfb88a160c300b131ac08877249fb95fcf41a"`
Oct 21 16:40:33.659 INFO kablam! usermod: no changes
Oct 21 16:40:33.744 INFO kablam!     Checking rust_self_study v0.1.0 (/source)
Oct 21 16:40:34.120 INFO kablam! warning: unused variable: `n`
Oct 21 16:40:34.121 INFO kablam!  --> src/main.rs:7:9
Oct 21 16:40:34.121 INFO kablam!   |
Oct 21 16:40:34.121 INFO kablam! 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Oct 21 16:40:34.122 INFO kablam!   |         ^ help: consider using `_n` instead
Oct 21 16:40:34.122 INFO kablam!   |
Oct 21 16:40:34.122 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 16:40:34.123 INFO kablam! 
Oct 21 16:40:34.123 INFO kablam! warning: function is never used: `multiples_of_3_and_5`
Oct 21 16:40:34.123 INFO kablam!  --> src/problems/prob1.rs:1:1
Oct 21 16:40:34.124 INFO kablam!   |
Oct 21 16:40:34.124 INFO kablam! 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Oct 21 16:40:34.124 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.125 INFO kablam!   |
Oct 21 16:40:34.125 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 16:40:34.125 INFO kablam! 
Oct 21 16:40:34.126 INFO kablam! warning: function is never used: `tail_multiples_of_3_and_5`
Oct 21 16:40:34.126 INFO kablam!  --> src/problems/prob1.rs:5:1
Oct 21 16:40:34.126 INFO kablam!   |
Oct 21 16:40:34.127 INFO kablam! 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Oct 21 16:40:34.127 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.127 INFO kablam! 
Oct 21 16:40:34.128 INFO kablam! warning: function is never used: `even_fibonacci_numbers`
Oct 21 16:40:34.128 INFO kablam!  --> src/problems/prob2.rs:1:1
Oct 21 16:40:34.128 INFO kablam!   |
Oct 21 16:40:34.129 INFO kablam! 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Oct 21 16:40:34.129 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.129 INFO kablam! 
Oct 21 16:40:34.129 INFO kablam! warning: function is never used: `tail_even_fibonacci_numbers`
Oct 21 16:40:34.130 INFO kablam!  --> src/problems/prob2.rs:5:1
Oct 21 16:40:34.130 INFO kablam!   |
Oct 21 16:40:34.131 INFO kablam! 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Oct 21 16:40:34.131 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.131 INFO kablam! 
Oct 21 16:40:34.131 INFO kablam! warning: function is never used: `largest_prime_factor`
Oct 21 16:40:34.132 INFO kablam!  --> src/problems/prob3.rs:1:1
Oct 21 16:40:34.132 INFO kablam!   |
Oct 21 16:40:34.132 INFO kablam! 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Oct 21 16:40:34.133 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.133 INFO kablam! 
Oct 21 16:40:34.133 INFO kablam! warning: function is never used: `tail_largest_prime_factor`
Oct 21 16:40:34.134 INFO kablam!  --> src/problems/prob3.rs:5:1
Oct 21 16:40:34.134 INFO kablam!   |
Oct 21 16:40:34.134 INFO kablam! 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Oct 21 16:40:34.135 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.135 INFO kablam! 
Oct 21 16:40:34.274 INFO kablam! warning: unused variable: `n`
Oct 21 16:40:34.275 INFO kablam!  --> src/main.rs:7:9
Oct 21 16:40:34.275 INFO kablam!   |
Oct 21 16:40:34.275 INFO kablam! 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Oct 21 16:40:34.276 INFO kablam!   |         ^ help: consider using `_n` instead
Oct 21 16:40:34.276 INFO kablam!   |
Oct 21 16:40:34.276 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 16:40:34.276 INFO kablam! 
Oct 21 16:40:34.289 INFO kablam! warning: function is never used: `multiples_of_3_and_5`
Oct 21 16:40:34.289 INFO kablam!  --> src/problems/prob1.rs:1:1
Oct 21 16:40:34.289 INFO kablam!   |
Oct 21 16:40:34.290 INFO kablam! 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Oct 21 16:40:34.290 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.290 INFO kablam!   |
Oct 21 16:40:34.290 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 16:40:34.291 INFO kablam! 
Oct 21 16:40:34.291 INFO kablam! warning: function is never used: `tail_multiples_of_3_and_5`
Oct 21 16:40:34.291 INFO kablam!  --> src/problems/prob1.rs:5:1
Oct 21 16:40:34.292 INFO kablam!   |
Oct 21 16:40:34.292 INFO kablam! 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Oct 21 16:40:34.292 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.293 INFO kablam! 
Oct 21 16:40:34.293 INFO kablam! warning: function is never used: `even_fibonacci_numbers`
Oct 21 16:40:34.293 INFO kablam!  --> src/problems/prob2.rs:1:1
Oct 21 16:40:34.294 INFO kablam!   |
Oct 21 16:40:34.294 INFO kablam! 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Oct 21 16:40:34.294 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.295 INFO kablam! 
Oct 21 16:40:34.295 INFO kablam! warning: function is never used: `tail_even_fibonacci_numbers`
Oct 21 16:40:34.295 INFO kablam!  --> src/problems/prob2.rs:5:1
Oct 21 16:40:34.296 INFO kablam!   |
Oct 21 16:40:34.296 INFO kablam! 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Oct 21 16:40:34.296 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.297 INFO kablam! 
Oct 21 16:40:34.297 INFO kablam! warning: function is never used: `largest_prime_factor`
Oct 21 16:40:34.297 INFO kablam!  --> src/problems/prob3.rs:1:1
Oct 21 16:40:34.297 INFO kablam!   |
Oct 21 16:40:34.298 INFO kablam! 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Oct 21 16:40:34.298 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.298 INFO kablam! 
Oct 21 16:40:34.298 INFO kablam! warning: function is never used: `tail_largest_prime_factor`
Oct 21 16:40:34.299 INFO kablam!  --> src/problems/prob3.rs:5:1
Oct 21 16:40:34.299 INFO kablam!   |
Oct 21 16:40:34.299 INFO kablam! 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Oct 21 16:40:34.299 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 16:40:34.300 INFO kablam! 
Oct 21 16:40:34.318 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Oct 21 16:40:34.328 INFO kablam! su: No module specific data is present
Oct 21 16:40:34.733 INFO running `"docker" "rm" "-f" "fc351d69cd99cc632c42c59d368cfb88a160c300b131ac08877249fb95fcf41a"`
Oct 21 16:40:34.972 INFO blam! fc351d69cd99cc632c42c59d368cfb88a160c300b131ac08877249fb95fcf41a