Dec 05 19:00:48.476 INFO testing k-masatany/rust_self_study against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 19:00:48.476 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 19:00:48.744 INFO [stdout] b44c477bb27aa1c7baca8f4980ef253267e5a578e2e17da9673f569b2fcb1437
Dec 05 19:00:48.746 INFO running `"docker" "start" "-a" "b44c477bb27aa1c7baca8f4980ef253267e5a578e2e17da9673f569b2fcb1437"`
Dec 05 19:00:49.845 INFO [stderr] usermod: no changes
Dec 05 19:00:49.896 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 05 19:00:50.200 INFO [stderr] warning: unused variable: `n`
Dec 05 19:00:50.200 INFO [stderr]  --> src/main.rs:7:9
Dec 05 19:00:50.200 INFO [stderr]   |
Dec 05 19:00:50.200 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 05 19:00:50.200 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 05 19:00:50.200 INFO [stderr]   |
Dec 05 19:00:50.200 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 19:00:50.200 INFO [stderr] 
Dec 05 19:00:50.202 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 05 19:00:50.202 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 05 19:00:50.202 INFO [stderr]   |
Dec 05 19:00:50.202 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 05 19:00:50.202 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:50.202 INFO [stderr]   |
Dec 05 19:00:50.202 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 19:00:50.202 INFO [stderr] 
Dec 05 19:00:50.202 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 05 19:00:50.202 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 05 19:00:50.202 INFO [stderr]   |
Dec 05 19:00:50.202 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 05 19:00:50.202 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:50.202 INFO [stderr] 
Dec 05 19:00:50.202 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 05 19:00:50.202 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 05 19:00:50.202 INFO [stderr]   |
Dec 05 19:00:50.202 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 05 19:00:50.202 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:50.202 INFO [stderr] 
Dec 05 19:00:50.202 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 05 19:00:50.202 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 05 19:00:50.202 INFO [stderr]   |
Dec 05 19:00:50.202 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 05 19:00:50.202 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:50.202 INFO [stderr] 
Dec 05 19:00:50.205 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 05 19:00:50.205 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 05 19:00:50.205 INFO [stderr]   |
Dec 05 19:00:50.205 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 05 19:00:50.205 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:50.205 INFO [stderr] 
Dec 05 19:00:50.205 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 05 19:00:50.205 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 05 19:00:50.205 INFO [stderr]   |
Dec 05 19:00:50.205 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 05 19:00:50.205 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:50.205 INFO [stderr] 
Dec 05 19:00:50.493 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 05 19:00:50.497 INFO [stderr] su: No module specific data is present
Dec 05 19:00:50.721 INFO running `"docker" "inspect" "b44c477bb27aa1c7baca8f4980ef253267e5a578e2e17da9673f569b2fcb1437"`
Dec 05 19:00:50.787 INFO running `"docker" "rm" "-f" "b44c477bb27aa1c7baca8f4980ef253267e5a578e2e17da9673f569b2fcb1437"`
Dec 05 19:00:50.867 INFO [stdout] b44c477bb27aa1c7baca8f4980ef253267e5a578e2e17da9673f569b2fcb1437
Dec 05 19:00:50.869 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 19:00:51.055 INFO [stdout] 45c39b99cc5e5fa42981413dfa71526c3b95ca87f4b05831faafd29a57044cc5
Dec 05 19:00:51.057 INFO running `"docker" "start" "-a" "45c39b99cc5e5fa42981413dfa71526c3b95ca87f4b05831faafd29a57044cc5"`
Dec 05 19:00:51.417 INFO [stderr] usermod: no changes
Dec 05 19:00:51.443 INFO [stderr]    Compiling rust_self_study v0.1.0 (/source)
Dec 05 19:00:51.754 INFO [stderr] warning: unused variable: `n`
Dec 05 19:00:51.754 INFO [stderr]  --> src/main.rs:7:9
Dec 05 19:00:51.754 INFO [stderr]   |
Dec 05 19:00:51.754 INFO [stderr] 7 |     let n = buffer.trim().parse::<u64>().unwrap();
Dec 05 19:00:51.754 INFO [stderr]   |         ^ help: consider using `_n` instead
Dec 05 19:00:51.754 INFO [stderr]   |
Dec 05 19:00:51.754 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 19:00:51.754 INFO [stderr] 
Dec 05 19:00:51.759 INFO [stderr] warning: function is never used: `multiples_of_3_and_5`
Dec 05 19:00:51.759 INFO [stderr]  --> src/problems/prob1.rs:1:1
Dec 05 19:00:51.759 INFO [stderr]   |
Dec 05 19:00:51.759 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{
Dec 05 19:00:51.759 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:51.759 INFO [stderr]   |
Dec 05 19:00:51.759 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 19:00:51.759 INFO [stderr] 
Dec 05 19:00:51.759 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5`
Dec 05 19:00:51.759 INFO [stderr]  --> src/problems/prob1.rs:5:1
Dec 05 19:00:51.759 INFO [stderr]   |
Dec 05 19:00:51.759 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 {
Dec 05 19:00:51.760 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:51.760 INFO [stderr] 
Dec 05 19:00:51.760 INFO [stderr] warning: function is never used: `even_fibonacci_numbers`
Dec 05 19:00:51.760 INFO [stderr]  --> src/problems/prob2.rs:1:1
Dec 05 19:00:51.760 INFO [stderr]   |
Dec 05 19:00:51.760 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 {
Dec 05 19:00:51.760 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:51.760 INFO [stderr] 
Dec 05 19:00:51.760 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers`
Dec 05 19:00:51.760 INFO [stderr]  --> src/problems/prob2.rs:5:1
Dec 05 19:00:51.760 INFO [stderr]   |
Dec 05 19:00:51.760 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 {
Dec 05 19:00:51.760 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:51.760 INFO [stderr] 
Dec 05 19:00:51.760 INFO [stderr] warning: function is never used: `largest_prime_factor`
Dec 05 19:00:51.760 INFO [stderr]  --> src/problems/prob3.rs:1:1
Dec 05 19:00:51.760 INFO [stderr]   |
Dec 05 19:00:51.760 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 {
Dec 05 19:00:51.760 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:51.760 INFO [stderr] 
Dec 05 19:00:51.760 INFO [stderr] warning: function is never used: `tail_largest_prime_factor`
Dec 05 19:00:51.760 INFO [stderr]  --> src/problems/prob3.rs:5:1
Dec 05 19:00:51.760 INFO [stderr]   |
Dec 05 19:00:51.760 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 {
Dec 05 19:00:51.760 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:00:51.760 INFO [stderr] 
Dec 05 19:00:52.072 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 05 19:00:52.078 INFO [stderr] su: No module specific data is present
Dec 05 19:00:52.674 INFO running `"docker" "inspect" "45c39b99cc5e5fa42981413dfa71526c3b95ca87f4b05831faafd29a57044cc5"`
Dec 05 19:00:52.916 INFO running `"docker" "rm" "-f" "45c39b99cc5e5fa42981413dfa71526c3b95ca87f4b05831faafd29a57044cc5"`
Dec 05 19:00:53.188 INFO [stdout] 45c39b99cc5e5fa42981413dfa71526c3b95ca87f4b05831faafd29a57044cc5
Dec 05 19:00:53.198 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 19:00:53.638 INFO [stdout] a8f82886519f65fd9752c97f3f3135ae077ffca9494b7e822016ace2a8b81e3c
Dec 05 19:00:53.642 INFO running `"docker" "start" "-a" "a8f82886519f65fd9752c97f3f3135ae077ffca9494b7e822016ace2a8b81e3c"`
Dec 05 19:00:54.432 INFO [stderr] usermod: no changes
Dec 05 19:00:54.466 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 19:00:54.467 INFO [stderr]      Running /target/debug/deps/rust_self_study-d07ce867f945dba5
Dec 05 19:00:54.468 INFO [stdout] 
Dec 05 19:00:54.468 INFO [stdout] running 0 tests
Dec 05 19:00:54.468 INFO [stdout] 
Dec 05 19:00:54.468 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:00:54.468 INFO [stdout] 
Dec 05 19:00:54.470 INFO [stderr] su: No module specific data is present
Dec 05 19:00:54.837 INFO running `"docker" "inspect" "a8f82886519f65fd9752c97f3f3135ae077ffca9494b7e822016ace2a8b81e3c"`
Dec 05 19:00:54.937 INFO running `"docker" "rm" "-f" "a8f82886519f65fd9752c97f3f3135ae077ffca9494b7e822016ace2a8b81e3c"`
Dec 05 19:00:55.067 INFO [stdout] a8f82886519f65fd9752c97f3f3135ae077ffca9494b7e822016ace2a8b81e3c