Nov 02 12:14:24.511 INFO checking k-masatany/rust_self_study against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 12:14:24.511 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 12:14:24.864 INFO blam! aa4eb3399c32d1d5f12083a54d46abca4687e6f9dbe6a1a3f92eaa89c372b175
Nov 02 12:14:24.872 INFO running `"docker" "start" "-a" "aa4eb3399c32d1d5f12083a54d46abca4687e6f9dbe6a1a3f92eaa89c372b175"`
Nov 02 12:14:25.695 INFO kablam! usermod: no changes
Nov 02 12:14:25.748 INFO kablam!     Checking rust_self_study v0.1.0 (/source)
Nov 02 12:14:26.257 INFO kablam! warning: unused variable: `n`
Nov 02 12:14:26.257 INFO kablam!  --> src/main.rs:7:9
Nov 02 12:14:26.257 INFO kablam!   |
Nov 02 12:14:26.258 INFO kablam! 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Nov 02 12:14:26.258 INFO kablam!   |         ^ help: consider using `_n` instead
Nov 02 12:14:26.258 INFO kablam!   |
Nov 02 12:14:26.259 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 02 12:14:26.259 INFO kablam! 
Nov 02 12:14:26.264 INFO kablam! warning: function is never used: `multiples_of_3_and_5`
Nov 02 12:14:26.264 INFO kablam!  --> src/problems/prob1.rs:1:1
Nov 02 12:14:26.264 INFO kablam!   |
Nov 02 12:14:26.264 INFO kablam! 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Nov 02 12:14:26.264 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.264 INFO kablam!   |
Nov 02 12:14:26.264 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 12:14:26.264 INFO kablam! 
Nov 02 12:14:26.264 INFO kablam! warning: function is never used: `tail_multiples_of_3_and_5`
Nov 02 12:14:26.264 INFO kablam!  --> src/problems/prob1.rs:5:1
Nov 02 12:14:26.264 INFO kablam!   |
Nov 02 12:14:26.264 INFO kablam! 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Nov 02 12:14:26.264 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.264 INFO kablam! 
Nov 02 12:14:26.264 INFO kablam! warning: function is never used: `even_fibonacci_numbers`
Nov 02 12:14:26.264 INFO kablam!  --> src/problems/prob2.rs:1:1
Nov 02 12:14:26.264 INFO kablam!   |
Nov 02 12:14:26.264 INFO kablam! 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Nov 02 12:14:26.264 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.264 INFO kablam! 
Nov 02 12:14:26.264 INFO kablam! warning: function is never used: `tail_even_fibonacci_numbers`
Nov 02 12:14:26.264 INFO kablam!  --> src/problems/prob2.rs:5:1
Nov 02 12:14:26.264 INFO kablam!   |
Nov 02 12:14:26.264 INFO kablam! 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Nov 02 12:14:26.264 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.264 INFO kablam! 
Nov 02 12:14:26.264 INFO kablam! warning: function is never used: `largest_prime_factor`
Nov 02 12:14:26.264 INFO kablam!  --> src/problems/prob3.rs:1:1
Nov 02 12:14:26.264 INFO kablam!   |
Nov 02 12:14:26.265 INFO kablam! 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Nov 02 12:14:26.265 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.265 INFO kablam! 
Nov 02 12:14:26.265 INFO kablam! warning: function is never used: `tail_largest_prime_factor`
Nov 02 12:14:26.265 INFO kablam!  --> src/problems/prob3.rs:5:1
Nov 02 12:14:26.265 INFO kablam!   |
Nov 02 12:14:26.265 INFO kablam! 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Nov 02 12:14:26.265 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.265 INFO kablam! 
Nov 02 12:14:26.408 INFO kablam! warning: unused variable: `n`
Nov 02 12:14:26.408 INFO kablam!  --> src/main.rs:7:9
Nov 02 12:14:26.408 INFO kablam!   |
Nov 02 12:14:26.408 INFO kablam! 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Nov 02 12:14:26.408 INFO kablam!   |         ^ help: consider using `_n` instead
Nov 02 12:14:26.408 INFO kablam!   |
Nov 02 12:14:26.408 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 02 12:14:26.408 INFO kablam! 
Nov 02 12:14:26.444 INFO kablam! warning: function is never used: `multiples_of_3_and_5`
Nov 02 12:14:26.444 INFO kablam!  --> src/problems/prob1.rs:1:1
Nov 02 12:14:26.444 INFO kablam!   |
Nov 02 12:14:26.444 INFO kablam! 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Nov 02 12:14:26.444 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.444 INFO kablam!   |
Nov 02 12:14:26.444 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 12:14:26.444 INFO kablam! 
Nov 02 12:14:26.444 INFO kablam! warning: function is never used: `tail_multiples_of_3_and_5`
Nov 02 12:14:26.444 INFO kablam!  --> src/problems/prob1.rs:5:1
Nov 02 12:14:26.444 INFO kablam!   |
Nov 02 12:14:26.444 INFO kablam! 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Nov 02 12:14:26.444 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.444 INFO kablam! 
Nov 02 12:14:26.444 INFO kablam! warning: function is never used: `even_fibonacci_numbers`
Nov 02 12:14:26.444 INFO kablam!  --> src/problems/prob2.rs:1:1
Nov 02 12:14:26.444 INFO kablam!   |
Nov 02 12:14:26.444 INFO kablam! 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Nov 02 12:14:26.444 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.444 INFO kablam! 
Nov 02 12:14:26.444 INFO kablam! warning: function is never used: `tail_even_fibonacci_numbers`
Nov 02 12:14:26.444 INFO kablam!  --> src/problems/prob2.rs:5:1
Nov 02 12:14:26.444 INFO kablam!   |
Nov 02 12:14:26.444 INFO kablam! 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Nov 02 12:14:26.444 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.444 INFO kablam! 
Nov 02 12:14:26.444 INFO kablam! warning: function is never used: `largest_prime_factor`
Nov 02 12:14:26.444 INFO kablam!  --> src/problems/prob3.rs:1:1
Nov 02 12:14:26.444 INFO kablam!   |
Nov 02 12:14:26.444 INFO kablam! 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Nov 02 12:14:26.444 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.444 INFO kablam! 
Nov 02 12:14:26.444 INFO kablam! warning: function is never used: `tail_largest_prime_factor`
Nov 02 12:14:26.444 INFO kablam!  --> src/problems/prob3.rs:5:1
Nov 02 12:14:26.444 INFO kablam!   |
Nov 02 12:14:26.444 INFO kablam! 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Nov 02 12:14:26.444 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:14:26.444 INFO kablam! 
Nov 02 12:14:26.477 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Nov 02 12:14:26.479 INFO kablam! su: No module specific data is present
Nov 02 12:14:27.076 INFO running `"docker" "rm" "-f" "aa4eb3399c32d1d5f12083a54d46abca4687e6f9dbe6a1a3f92eaa89c372b175"`
Nov 02 12:14:27.353 INFO blam! aa4eb3399c32d1d5f12083a54d46abca4687e6f9dbe6a1a3f92eaa89c372b175