Dec 01 13:04:14.076 INFO testing k-masatany/rust_self_study against 1.30.1 for beta-1.31-5
Dec 01 13:04:14.076 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 13:04:14.319 INFO [stdout] 867fbb19c596d1bb06707cdf383315a93feef0295bbefa1fc92af77e0ed96f41
Dec 01 13:04:14.327 INFO running `"docker" "start" "-a" "867fbb19c596d1bb06707cdf383315a93feef0295bbefa1fc92af77e0ed96f41"`
Dec 01 13:04:14.991 INFO [stderr] usermod: no changes
Dec 01 13:04:15.059 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 01 13:04:15.518 INFO [stderr] warning: unused variable: `n`
Dec 01 13:04:15.518 INFO [stderr]  --> src/main.rs:7:9
Dec 01 13:04:15.518 INFO [stderr]   |
Dec 01 13:04:15.518 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 01 13:04:15.518 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 01 13:04:15.518 INFO [stderr]   |
Dec 01 13:04:15.518 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 01 13:04:15.520 INFO [stderr] 
Dec 01 13:04:15.529 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 01 13:04:15.530 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 01 13:04:15.530 INFO [stderr]   |
Dec 01 13:04:15.530 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 01 13:04:15.530 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:15.530 INFO [stderr]   |
Dec 01 13:04:15.530 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 13:04:15.530 INFO [stderr] 
Dec 01 13:04:15.530 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 01 13:04:15.530 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 01 13:04:15.530 INFO [stderr]   |
Dec 01 13:04:15.530 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 01 13:04:15.530 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:15.530 INFO [stderr] 
Dec 01 13:04:15.533 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 01 13:04:15.533 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 01 13:04:15.533 INFO [stderr]   |
Dec 01 13:04:15.533 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 01 13:04:15.533 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:15.533 INFO [stderr] 
Dec 01 13:04:15.533 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 01 13:04:15.533 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 01 13:04:15.533 INFO [stderr]   |
Dec 01 13:04:15.533 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 01 13:04:15.533 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:15.533 INFO [stderr] 
Dec 01 13:04:15.534 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 01 13:04:15.534 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 01 13:04:15.534 INFO [stderr]   |
Dec 01 13:04:15.534 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 01 13:04:15.534 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:15.534 INFO [stderr] 
Dec 01 13:04:15.534 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 01 13:04:15.534 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 01 13:04:15.534 INFO [stderr]   |
Dec 01 13:04:15.534 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 01 13:04:15.534 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:15.534 INFO [stderr] 
Dec 01 13:04:16.203 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 01 13:04:16.206 INFO [stderr] su: No module specific data is present
Dec 01 13:04:16.775 INFO running `"docker" "inspect" "867fbb19c596d1bb06707cdf383315a93feef0295bbefa1fc92af77e0ed96f41"`
Dec 01 13:04:17.017 INFO running `"docker" "rm" "-f" "867fbb19c596d1bb06707cdf383315a93feef0295bbefa1fc92af77e0ed96f41"`
Dec 01 13:04:17.300 INFO [stdout] 867fbb19c596d1bb06707cdf383315a93feef0295bbefa1fc92af77e0ed96f41
Dec 01 13:04:17.303 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 13:04:17.763 INFO [stdout] f4471d6027b8c219080ed2639f48268c6b2c329943e5fd4ecaa204dbab097f6f
Dec 01 13:04:17.767 INFO running `"docker" "start" "-a" "f4471d6027b8c219080ed2639f48268c6b2c329943e5fd4ecaa204dbab097f6f"`
Dec 01 13:04:18.758 INFO [stderr] usermod: no changes
Dec 01 13:04:18.802 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 01 13:04:19.203 INFO [stderr] warning: unused variable: `n`
Dec 01 13:04:19.203 INFO [stderr]  --> src/main.rs:7:9
Dec 01 13:04:19.203 INFO [stderr]   |
Dec 01 13:04:19.203 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 01 13:04:19.203 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 01 13:04:19.203 INFO [stderr]   |
Dec 01 13:04:19.204 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 01 13:04:19.204 INFO [stderr] 
Dec 01 13:04:19.210 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 01 13:04:19.211 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 01 13:04:19.211 INFO [stderr]   |
Dec 01 13:04:19.211 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 01 13:04:19.211 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:19.211 INFO [stderr]   |
Dec 01 13:04:19.211 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 13:04:19.211 INFO [stderr] 
Dec 01 13:04:19.211 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 01 13:04:19.211 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 01 13:04:19.211 INFO [stderr]   |
Dec 01 13:04:19.211 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 01 13:04:19.211 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:19.211 INFO [stderr] 
Dec 01 13:04:19.214 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 01 13:04:19.214 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 01 13:04:19.214 INFO [stderr]   |
Dec 01 13:04:19.214 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 01 13:04:19.214 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:19.214 INFO [stderr] 
Dec 01 13:04:19.214 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 01 13:04:19.214 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 01 13:04:19.214 INFO [stderr]   |
Dec 01 13:04:19.214 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 01 13:04:19.214 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:19.214 INFO [stderr] 
Dec 01 13:04:19.214 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 01 13:04:19.214 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 01 13:04:19.214 INFO [stderr]   |
Dec 01 13:04:19.214 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 01 13:04:19.214 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:19.214 INFO [stderr] 
Dec 01 13:04:19.214 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 01 13:04:19.214 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 01 13:04:19.214 INFO [stderr]   |
Dec 01 13:04:19.215 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 01 13:04:19.215 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 13:04:19.215 INFO [stderr] 
Dec 01 13:04:19.655 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 01 13:04:19.660 INFO [stderr] su: No module specific data is present
Dec 01 13:04:20.141 INFO running `"docker" "inspect" "f4471d6027b8c219080ed2639f48268c6b2c329943e5fd4ecaa204dbab097f6f"`
Dec 01 13:04:20.389 INFO running `"docker" "rm" "-f" "f4471d6027b8c219080ed2639f48268c6b2c329943e5fd4ecaa204dbab097f6f"`
Dec 01 13:04:20.735 INFO [stdout] f4471d6027b8c219080ed2639f48268c6b2c329943e5fd4ecaa204dbab097f6f
Dec 01 13:04:20.737 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 13:04:21.056 INFO [stdout] b2d4e45e9e651bdf6532dc28937a0d46c72ffa2ffae8992963d9334a9f3d291b
Dec 01 13:04:21.058 INFO running `"docker" "start" "-a" "b2d4e45e9e651bdf6532dc28937a0d46c72ffa2ffae8992963d9334a9f3d291b"`
Dec 01 13:04:21.507 INFO [stderr] usermod: no changes
Dec 01 13:04:21.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 01 13:04:21.532 INFO [stderr]      Running /target/debug/deps/rust_self_study-8131c99e2d61d486
Dec 01 13:04:21.534 INFO [stdout] 
Dec 01 13:04:21.534 INFO [stdout] running 0 tests
Dec 01 13:04:21.534 INFO [stdout] 
Dec 01 13:04:21.534 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 13:04:21.534 INFO [stdout] 
Dec 01 13:04:21.536 INFO [stderr] su: No module specific data is present
Dec 01 13:04:21.831 INFO running `"docker" "inspect" "b2d4e45e9e651bdf6532dc28937a0d46c72ffa2ffae8992963d9334a9f3d291b"`
Dec 01 13:04:21.943 INFO running `"docker" "rm" "-f" "b2d4e45e9e651bdf6532dc28937a0d46c72ffa2ffae8992963d9334a9f3d291b"`
Dec 01 13:04:22.072 INFO [stdout] b2d4e45e9e651bdf6532dc28937a0d46c72ffa2ffae8992963d9334a9f3d291b
