Dec 13 14:39:14.303 INFO testing k-masatany/rust_self_study against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 14:39:14.303 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14:39:14.513 INFO [stdout] b4b07486e220c6ae95807f5a23d0a2cb04aa5219aea816f505ae0d38f40ce94f
Dec 13 14:39:14.514 INFO running `"docker" "start" "-a" "b4b07486e220c6ae95807f5a23d0a2cb04aa5219aea816f505ae0d38f40ce94f"`
Dec 13 14:39:14.923 INFO [stderr] usermod: no changes
Dec 13 14:39:14.950 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 13 14:39:15.346 INFO [stderr] warning: unused variable: `n`
Dec 13 14:39:15.346 INFO [stderr]  --> src/main.rs:7:9
Dec 13 14:39:15.346 INFO [stderr]   |
Dec 13 14:39:15.346 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 13 14:39:15.346 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 13 14:39:15.346 INFO [stderr]   |
Dec 13 14:39:15.346 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 13 14:39:15.346 INFO [stderr] 
Dec 13 14:39:15.356 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 13 14:39:15.356 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 13 14:39:15.357 INFO [stderr]   |
Dec 13 14:39:15.357 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 13 14:39:15.357 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.357 INFO [stderr]   |
Dec 13 14:39:15.357 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 14:39:15.357 INFO [stderr] 
Dec 13 14:39:15.357 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 13 14:39:15.357 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 13 14:39:15.357 INFO [stderr]   |
Dec 13 14:39:15.357 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 13 14:39:15.357 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.357 INFO [stderr] 
Dec 13 14:39:15.357 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 13 14:39:15.357 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 13 14:39:15.357 INFO [stderr]   |
Dec 13 14:39:15.357 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 13 14:39:15.357 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.357 INFO [stderr] 
Dec 13 14:39:15.357 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 13 14:39:15.357 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 13 14:39:15.357 INFO [stderr]   |
Dec 13 14:39:15.357 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 13 14:39:15.357 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.357 INFO [stderr] 
Dec 13 14:39:15.357 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 13 14:39:15.357 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 13 14:39:15.357 INFO [stderr]   |
Dec 13 14:39:15.357 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 13 14:39:15.357 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.357 INFO [stderr] 
Dec 13 14:39:15.357 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 13 14:39:15.357 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 13 14:39:15.357 INFO [stderr]   |
Dec 13 14:39:15.357 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 13 14:39:15.357 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:15.357 INFO [stderr] 
Dec 13 14:39:16.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 13 14:39:16.055 INFO [stderr] su: No module specific data is present
Dec 13 14:39:16.947 INFO running `"docker" "inspect" "b4b07486e220c6ae95807f5a23d0a2cb04aa5219aea816f505ae0d38f40ce94f"`
Dec 13 14:39:17.257 INFO running `"docker" "rm" "-f" "b4b07486e220c6ae95807f5a23d0a2cb04aa5219aea816f505ae0d38f40ce94f"`
Dec 13 14:39:17.718 INFO [stdout] b4b07486e220c6ae95807f5a23d0a2cb04aa5219aea816f505ae0d38f40ce94f
Dec 13 14:39:17.721 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14:39:18.171 INFO [stdout] a64c30e745a1083a01916677c18139fbd67e45e76fef685049689292bffb6d00
Dec 13 14:39:18.176 INFO running `"docker" "start" "-a" "a64c30e745a1083a01916677c18139fbd67e45e76fef685049689292bffb6d00"`
Dec 13 14:39:19.342 INFO [stderr] usermod: no changes
Dec 13 14:39:19.379 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 13 14:39:19.960 INFO [stderr] warning: unused variable: `n`
Dec 13 14:39:19.960 INFO [stderr]  --> src/main.rs:7:9
Dec 13 14:39:19.960 INFO [stderr]   |
Dec 13 14:39:19.960 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 13 14:39:19.960 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 13 14:39:19.960 INFO [stderr]   |
Dec 13 14:39:19.960 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 13 14:39:19.960 INFO [stderr] 
Dec 13 14:39:19.969 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 13 14:39:19.969 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 13 14:39:19.969 INFO [stderr]   |
Dec 13 14:39:19.969 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 13 14:39:19.969 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.969 INFO [stderr]   |
Dec 13 14:39:19.969 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 14:39:19.969 INFO [stderr] 
Dec 13 14:39:19.969 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 13 14:39:19.969 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 13 14:39:19.969 INFO [stderr]   |
Dec 13 14:39:19.969 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 13 14:39:19.969 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.969 INFO [stderr] 
Dec 13 14:39:19.969 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 13 14:39:19.969 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 13 14:39:19.969 INFO [stderr]   |
Dec 13 14:39:19.969 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 13 14:39:19.969 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.969 INFO [stderr] 
Dec 13 14:39:19.969 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 13 14:39:19.969 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 13 14:39:19.969 INFO [stderr]   |
Dec 13 14:39:19.969 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 13 14:39:19.969 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.969 INFO [stderr] 
Dec 13 14:39:19.969 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 13 14:39:19.969 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 13 14:39:19.969 INFO [stderr]   |
Dec 13 14:39:19.969 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 13 14:39:19.969 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.969 INFO [stderr] 
Dec 13 14:39:19.969 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 13 14:39:19.969 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 13 14:39:19.969 INFO [stderr]   |
Dec 13 14:39:19.969 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 13 14:39:19.969 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 14:39:19.969 INFO [stderr] 
Dec 13 14:39:20.270 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 13 14:39:20.272 INFO [stderr] su: No module specific data is present
Dec 13 14:39:20.667 INFO running `"docker" "inspect" "a64c30e745a1083a01916677c18139fbd67e45e76fef685049689292bffb6d00"`
Dec 13 14:39:20.856 INFO running `"docker" "rm" "-f" "a64c30e745a1083a01916677c18139fbd67e45e76fef685049689292bffb6d00"`
Dec 13 14:39:21.023 INFO [stdout] a64c30e745a1083a01916677c18139fbd67e45e76fef685049689292bffb6d00
Dec 13 14:39:21.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14:39:21.242 INFO [stdout] cba17cd939a07b19847563527313ec72163c3511503cfa997a80f1477c12ae81
Dec 13 14:39:21.244 INFO running `"docker" "start" "-a" "cba17cd939a07b19847563527313ec72163c3511503cfa997a80f1477c12ae81"`
Dec 13 14:39:21.718 INFO [stderr] usermod: no changes
Dec 13 14:39:21.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 14:39:21.748 INFO [stderr]      Running /target/debug/deps/rust_self_study-d37079f9db2066d5
Dec 13 14:39:21.749 INFO [stdout] 
Dec 13 14:39:21.749 INFO [stdout] running 0 tests
Dec 13 14:39:21.749 INFO [stdout] 
Dec 13 14:39:21.749 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 14:39:21.750 INFO [stdout] 
Dec 13 14:39:21.752 INFO [stderr] su: No module specific data is present
Dec 13 14:39:22.089 INFO running `"docker" "inspect" "cba17cd939a07b19847563527313ec72163c3511503cfa997a80f1477c12ae81"`
Dec 13 14:39:22.247 INFO running `"docker" "rm" "-f" "cba17cd939a07b19847563527313ec72163c3511503cfa997a80f1477c12ae81"`
Dec 13 14:39:22.347 INFO [stdout] cba17cd939a07b19847563527313ec72163c3511503cfa997a80f1477c12ae81