Dec 12 00:11:47.148 INFO checking SteffenSunde/heating_primes against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:11:47.148 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 12 00:11:47.377 INFO [stdout] 9831c37ef1075a1fdb480e4832c86ffde41cf4f865f41ba1e58c3d4c9375f0c1
Dec 12 00:11:47.382 INFO running `"docker" "start" "-a" "9831c37ef1075a1fdb480e4832c86ffde41cf4f865f41ba1e58c3d4c9375f0c1"`
Dec 12 00:11:48.200 INFO [stderr] usermod: no changes
Dec 12 00:11:48.231 INFO [stderr]     Checking prime_finder v0.1.0 (/source)
Dec 12 00:11:48.572 INFO [stderr] warning: unused import: `std::fs::File`
Dec 12 00:11:48.573 INFO [stderr]  --> src/main.rs:4:5
Dec 12 00:11:48.573 INFO [stderr]   |
Dec 12 00:11:48.573 INFO [stderr] 4 | use std::fs::File;
Dec 12 00:11:48.573 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 00:11:48.573 INFO [stderr]   |
Dec 12 00:11:48.573 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:11:48.573 INFO [stderr] 
Dec 12 00:11:48.573 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 12 00:11:48.573 INFO [stderr]  --> src/main.rs:5:5
Dec 12 00:11:48.573 INFO [stderr]   |
Dec 12 00:11:48.573 INFO [stderr] 5 | use std::io::prelude::*;
Dec 12 00:11:48.573 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 00:11:48.573 INFO [stderr] 
Dec 12 00:11:48.631 INFO [stderr] warning: unused variable: `number`
Dec 12 00:11:48.631 INFO [stderr]   --> src/factorisation.rs:45:21
Dec 12 00:11:48.631 INFO [stderr]    |
Dec 12 00:11:48.631 INFO [stderr] 45 | pub fn pollards_rho(number: u64) -> Vec<u64> {
Dec 12 00:11:48.631 INFO [stderr]    |                     ^^^^^^ help: consider using `_number` instead
Dec 12 00:11:48.631 INFO [stderr]    |
Dec 12 00:11:48.631 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:11:48.631 INFO [stderr] 
Dec 12 00:11:48.641 INFO [stderr] warning: function is never used: `sieve_of_eratoshenes`
Dec 12 00:11:48.641 INFO [stderr]   --> src/prime.rs:18:1
Dec 12 00:11:48.641 INFO [stderr]    |
Dec 12 00:11:48.641 INFO [stderr] 18 | pub fn sieve_of_eratoshenes() {}
Dec 12 00:11:48.641 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:11:48.641 INFO [stderr]    |
Dec 12 00:11:48.641 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 00:11:48.641 INFO [stderr] 
Dec 12 00:11:48.641 INFO [stderr] warning: function is never used: `pollards_rho`
Dec 12 00:11:48.641 INFO [stderr]   --> src/factorisation.rs:45:1
Dec 12 00:11:48.641 INFO [stderr]    |
Dec 12 00:11:48.641 INFO [stderr] 45 | pub fn pollards_rho(number: u64) -> Vec<u64> {
Dec 12 00:11:48.641 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:11:48.641 INFO [stderr] 
Dec 12 00:11:48.692 INFO [stderr] warning: unused import: `std::fs::File`
Dec 12 00:11:48.692 INFO [stderr]  --> src/main.rs:4:5
Dec 12 00:11:48.692 INFO [stderr]   |
Dec 12 00:11:48.692 INFO [stderr] 4 | use std::fs::File;
Dec 12 00:11:48.692 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 00:11:48.692 INFO [stderr]   |
Dec 12 00:11:48.692 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:11:48.692 INFO [stderr] 
Dec 12 00:11:48.692 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 12 00:11:48.692 INFO [stderr]  --> src/main.rs:5:5
Dec 12 00:11:48.692 INFO [stderr]   |
Dec 12 00:11:48.692 INFO [stderr] 5 | use std::io::prelude::*;
Dec 12 00:11:48.692 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 00:11:48.692 INFO [stderr] 
Dec 12 00:11:48.773 INFO [stderr] warning: unused variable: `number`
Dec 12 00:11:48.773 INFO [stderr]   --> src/factorisation.rs:45:21
Dec 12 00:11:48.773 INFO [stderr]    |
Dec 12 00:11:48.773 INFO [stderr] 45 | pub fn pollards_rho(number: u64) -> Vec<u64> {
Dec 12 00:11:48.773 INFO [stderr]    |                     ^^^^^^ help: consider using `_number` instead
Dec 12 00:11:48.773 INFO [stderr]    |
Dec 12 00:11:48.773 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:11:48.773 INFO [stderr] 
Dec 12 00:11:48.791 INFO [stderr] warning: function is never used: `sieve_of_eratoshenes`
Dec 12 00:11:48.791 INFO [stderr]   --> src/prime.rs:18:1
Dec 12 00:11:48.791 INFO [stderr]    |
Dec 12 00:11:48.791 INFO [stderr] 18 | pub fn sieve_of_eratoshenes() {}
Dec 12 00:11:48.791 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:11:48.792 INFO [stderr]    |
Dec 12 00:11:48.792 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 00:11:48.792 INFO [stderr] 
Dec 12 00:11:48.792 INFO [stderr] warning: function is never used: `pollards_rho`
Dec 12 00:11:48.792 INFO [stderr]   --> src/factorisation.rs:45:1
Dec 12 00:11:48.792 INFO [stderr]    |
Dec 12 00:11:48.792 INFO [stderr] 45 | pub fn pollards_rho(number: u64) -> Vec<u64> {
Dec 12 00:11:48.792 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:11:48.792 INFO [stderr] 
Dec 12 00:11:48.805 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 12 00:11:48.807 INFO [stderr] su: No module specific data is present
Dec 12 00:11:49.149 INFO running `"docker" "inspect" "9831c37ef1075a1fdb480e4832c86ffde41cf4f865f41ba1e58c3d4c9375f0c1"`
Dec 12 00:11:49.245 INFO running `"docker" "rm" "-f" "9831c37ef1075a1fdb480e4832c86ffde41cf4f865f41ba1e58c3d4c9375f0c1"`
Dec 12 00:11:49.416 INFO [stdout] 9831c37ef1075a1fdb480e4832c86ffde41cf4f865f41ba1e58c3d4c9375f0c1