Dec 19 14:41:03.979 INFO checking k-masatany/rust_self_study against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:41:03.979 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/k-masatany/rust_self_study:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:41:04.305 INFO [stdout] a49933bd2d34f2da6e33649607bc992840ee2349de3e16e33d391d6303f56776
Dec 19 14:41:04.307 INFO running `"docker" "start" "-a" "a49933bd2d34f2da6e33649607bc992840ee2349de3e16e33d391d6303f56776"`
Dec 19 14:41:05.741 INFO [stderr]     Checking rust_self_study v0.1.0 (/opt/crater/workdir)
Dec 19 14:41:06.023 INFO [stderr] warning: unused variable: `n`
Dec 19 14:41:06.023 INFO [stderr]  --> src/main.rs:7:9
Dec 19 14:41:06.023 INFO [stderr]   |
Dec 19 14:41:06.024 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 19 14:41:06.024 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 19 14:41:06.025 INFO [stderr]   |
Dec 19 14:41:06.025 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 14:41:06.025 INFO [stderr] 
Dec 19 14:41:06.035 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 19 14:41:06.035 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 19 14:41:06.036 INFO [stderr]   |
Dec 19 14:41:06.036 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 19 14:41:06.036 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.037 INFO [stderr]   |
Dec 19 14:41:06.037 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:41:06.037 INFO [stderr] 
Dec 19 14:41:06.038 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 19 14:41:06.038 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 19 14:41:06.038 INFO [stderr]   |
Dec 19 14:41:06.039 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 19 14:41:06.039 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.039 INFO [stderr] 
Dec 19 14:41:06.039 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 19 14:41:06.040 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 19 14:41:06.040 INFO [stderr]   |
Dec 19 14:41:06.040 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 19 14:41:06.040 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.041 INFO [stderr] 
Dec 19 14:41:06.041 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 19 14:41:06.041 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 19 14:41:06.042 INFO [stderr]   |
Dec 19 14:41:06.042 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 19 14:41:06.042 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.042 INFO [stderr] 
Dec 19 14:41:06.043 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 19 14:41:06.043 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 19 14:41:06.043 INFO [stderr]   |
Dec 19 14:41:06.043 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 19 14:41:06.044 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.044 INFO [stderr] 
Dec 19 14:41:06.044 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 19 14:41:06.045 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 19 14:41:06.045 INFO [stderr]   |
Dec 19 14:41:06.045 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 19 14:41:06.046 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.046 INFO [stderr] 
Dec 19 14:41:06.139 INFO [stderr] warning: unused variable: `n`
Dec 19 14:41:06.140 INFO [stderr]  --> src/main.rs:7:9
Dec 19 14:41:06.140 INFO [stderr]   |
Dec 19 14:41:06.140 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 19 14:41:06.140 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 19 14:41:06.141 INFO [stderr]   |
Dec 19 14:41:06.141 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 14:41:06.141 INFO [stderr] 
Dec 19 14:41:06.156 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 19 14:41:06.157 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 19 14:41:06.157 INFO [stderr]   |
Dec 19 14:41:06.157 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 19 14:41:06.158 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.158 INFO [stderr]   |
Dec 19 14:41:06.158 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:41:06.159 INFO [stderr] 
Dec 19 14:41:06.159 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 19 14:41:06.159 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 19 14:41:06.160 INFO [stderr]   |
Dec 19 14:41:06.160 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 19 14:41:06.160 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.160 INFO [stderr] 
Dec 19 14:41:06.161 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 19 14:41:06.161 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 19 14:41:06.161 INFO [stderr]   |
Dec 19 14:41:06.162 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 19 14:41:06.162 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.162 INFO [stderr] 
Dec 19 14:41:06.163 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 19 14:41:06.163 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 19 14:41:06.163 INFO [stderr]   |
Dec 19 14:41:06.164 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 19 14:41:06.164 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.164 INFO [stderr] 
Dec 19 14:41:06.165 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 19 14:41:06.165 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 19 14:41:06.165 INFO [stderr]   |
Dec 19 14:41:06.166 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 19 14:41:06.166 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.166 INFO [stderr] 
Dec 19 14:41:06.167 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 19 14:41:06.167 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 19 14:41:06.167 INFO [stderr]   |
Dec 19 14:41:06.167 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 19 14:41:06.168 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:41:06.168 INFO [stderr] 
Dec 19 14:41:06.193 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 19 14:41:07.329 INFO running `"docker" "inspect" "a49933bd2d34f2da6e33649607bc992840ee2349de3e16e33d391d6303f56776"`
Dec 19 14:41:07.564 INFO running `"docker" "rm" "-f" "a49933bd2d34f2da6e33649607bc992840ee2349de3e16e33d391d6303f56776"`
Dec 19 14:41:07.763 INFO [stdout] a49933bd2d34f2da6e33649607bc992840ee2349de3e16e33d391d6303f56776