Dec 13 14:39:14.208 INFO testing k-masatany/rust_self_study against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 14:39:14.208 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 13 14:39:14.466 INFO [stdout] aaf3a3f89bbfa92526c9ca354aa60c6d12add1ae8a56038a96a35ff25b984a59
Dec 13 14:39:14.468 INFO running `"docker" "start" "-a" "aaf3a3f89bbfa92526c9ca354aa60c6d12add1ae8a56038a96a35ff25b984a59"`
Dec 13 14:39:14.798 INFO [stderr] usermod: no changes
Dec 13 14:39:14.828 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 13 14:39:15.148 INFO [stderr] warning: unused variable: `n`
Dec 13 14:39:15.148 INFO [stderr]  --> src/main.rs:7:9
Dec 13 14:39:15.148 INFO [stderr]   |
Dec 13 14:39:15.148 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 13 14:39:15.148 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 13 14:39:15.148 INFO [stderr]   |
Dec 13 14:39:15.148 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 13 14:39:15.148 INFO [stderr] 
Dec 13 14:39:15.160 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 13 14:39:15.160 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 13 14:39:15.160 INFO [stderr]   |
Dec 13 14:39:15.160 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 13 14:39:15.160 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.160 INFO [stderr]   |
Dec 13 14:39:15.161 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 14:39:15.161 INFO [stderr] 
Dec 13 14:39:15.161 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 13 14:39:15.161 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 13 14:39:15.161 INFO [stderr]   |
Dec 13 14:39:15.161 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 13 14:39:15.161 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.162 INFO [stderr] 
Dec 13 14:39:15.162 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 13 14:39:15.162 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 13 14:39:15.162 INFO [stderr]   |
Dec 13 14:39:15.162 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 13 14:39:15.162 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.163 INFO [stderr] 
Dec 13 14:39:15.163 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 13 14:39:15.163 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 13 14:39:15.163 INFO [stderr]   |
Dec 13 14:39:15.163 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 13 14:39:15.163 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.163 INFO [stderr] 
Dec 13 14:39:15.163 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 13 14:39:15.163 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 13 14:39:15.163 INFO [stderr]   |
Dec 13 14:39:15.163 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 13 14:39:15.163 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.163 INFO [stderr] 
Dec 13 14:39:15.163 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 13 14:39:15.163 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 13 14:39:15.163 INFO [stderr]   |
Dec 13 14:39:15.163 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 13 14:39:15.163 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.163 INFO [stderr] 
Dec 13 14:39:15.934 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 13 14:39:15.936 INFO [stderr] su: No module specific data is present
Dec 13 14:39:16.679 INFO running `"docker" "inspect" "aaf3a3f89bbfa92526c9ca354aa60c6d12add1ae8a56038a96a35ff25b984a59"`
Dec 13 14:39:16.891 INFO running `"docker" "rm" "-f" "aaf3a3f89bbfa92526c9ca354aa60c6d12add1ae8a56038a96a35ff25b984a59"`
Dec 13 14:39:17.231 INFO [stdout] aaf3a3f89bbfa92526c9ca354aa60c6d12add1ae8a56038a96a35ff25b984a59
Dec 13 14:39:17.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 13 14:39:17.803 INFO [stdout] ed38910c2f4d29e5d96be0d0b28d31869b93f879885402de45ad87c0b469e9dd
Dec 13 14:39:17.804 INFO running `"docker" "start" "-a" "ed38910c2f4d29e5d96be0d0b28d31869b93f879885402de45ad87c0b469e9dd"`
Dec 13 14:39:18.907 INFO [stderr] usermod: no changes
Dec 13 14:39:18.954 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 13 14:39:19.350 INFO [stderr] warning: unused variable: `n`
Dec 13 14:39:19.350 INFO [stderr]  --> src/main.rs:7:9
Dec 13 14:39:19.350 INFO [stderr]   |
Dec 13 14:39:19.350 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 13 14:39:19.350 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 13 14:39:19.350 INFO [stderr]   |
Dec 13 14:39:19.350 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 13 14:39:19.350 INFO [stderr] 
Dec 13 14:39:19.362 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 13 14:39:19.362 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 13 14:39:19.362 INFO [stderr]   |
Dec 13 14:39:19.362 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 13 14:39:19.362 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.363 INFO [stderr]   |
Dec 13 14:39:19.363 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 14:39:19.363 INFO [stderr] 
Dec 13 14:39:19.363 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 13 14:39:19.363 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 13 14:39:19.363 INFO [stderr]   |
Dec 13 14:39:19.363 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 13 14:39:19.363 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.363 INFO [stderr] 
Dec 13 14:39:19.363 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 13 14:39:19.363 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 13 14:39:19.363 INFO [stderr]   |
Dec 13 14:39:19.363 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 13 14:39:19.363 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.363 INFO [stderr] 
Dec 13 14:39:19.363 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 13 14:39:19.363 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 13 14:39:19.363 INFO [stderr]   |
Dec 13 14:39:19.363 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 13 14:39:19.363 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.363 INFO [stderr] 
Dec 13 14:39:19.363 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 13 14:39:19.363 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 13 14:39:19.363 INFO [stderr]   |
Dec 13 14:39:19.363 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 13 14:39:19.363 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.363 INFO [stderr] 
Dec 13 14:39:19.363 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 13 14:39:19.363 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 13 14:39:19.363 INFO [stderr]   |
Dec 13 14:39:19.363 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 13 14:39:19.363 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.363 INFO [stderr] 
Dec 13 14:39:19.684 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 13 14:39:19.686 INFO [stderr] su: No module specific data is present
Dec 13 14:39:20.360 INFO running `"docker" "inspect" "ed38910c2f4d29e5d96be0d0b28d31869b93f879885402de45ad87c0b469e9dd"`
Dec 13 14:39:20.477 INFO running `"docker" "rm" "-f" "ed38910c2f4d29e5d96be0d0b28d31869b93f879885402de45ad87c0b469e9dd"`
Dec 13 14:39:20.611 INFO [stdout] ed38910c2f4d29e5d96be0d0b28d31869b93f879885402de45ad87c0b469e9dd
Dec 13 14:39:20.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 13 14:39:21.002 INFO [stdout] c2703e694b6a75e4996434a7b82d36b852b79366135f0acbba8a45ea686a948c
Dec 13 14:39:21.004 INFO running `"docker" "start" "-a" "c2703e694b6a75e4996434a7b82d36b852b79366135f0acbba8a45ea686a948c"`
Dec 13 14:39:21.569 INFO [stderr] usermod: no changes
Dec 13 14:39:21.593 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 14:39:21.593 INFO [stderr]      Running /target/debug/deps/rust_self_study-fc2d67f29156efc0
Dec 13 14:39:21.595 INFO [stdout] 
Dec 13 14:39:21.595 INFO [stdout] running 0 tests
Dec 13 14:39:21.595 INFO [stdout] 
Dec 13 14:39:21.595 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 14:39:21.595 INFO [stdout] 
Dec 13 14:39:21.596 INFO [stderr] su: No module specific data is present
Dec 13 14:39:21.910 INFO running `"docker" "inspect" "c2703e694b6a75e4996434a7b82d36b852b79366135f0acbba8a45ea686a948c"`
Dec 13 14:39:21.993 INFO running `"docker" "rm" "-f" "c2703e694b6a75e4996434a7b82d36b852b79366135f0acbba8a45ea686a948c"`
Dec 13 14:39:22.050 INFO [stdout] c2703e694b6a75e4996434a7b82d36b852b79366135f0acbba8a45ea686a948c