Dec 19 14:41:01.439 INFO checking k-masatany/rust_self_study against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 Dec 19 14:41:01.439 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/k-masatany/rust_self_study:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 14:41:01.613 INFO [stdout] 64be458981c4a981cfd684df46fe23736b59b6fe0cf35602b41c50a8aea716de Dec 19 14:41:01.615 INFO running `"docker" "start" "-a" "64be458981c4a981cfd684df46fe23736b59b6fe0cf35602b41c50a8aea716de"` Dec 19 14:41:02.340 INFO [stderr] Checking rust_self_study v0.1.0 (/opt/crater/workdir) Dec 19 14:41:02.748 INFO [stderr] warning: unused variable: `n` Dec 19 14:41:02.748 INFO [stderr] --> src/main.rs:7:9 Dec 19 14:41:02.749 INFO [stderr] | Dec 19 14:41:02.749 INFO [stderr] 7 | let n = buffer.trim().parse::().unwrap(); Dec 19 14:41:02.750 INFO [stderr] | ^ help: consider using `_n` instead Dec 19 14:41:02.750 INFO [stderr] | Dec 19 14:41:02.750 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 14:41:02.750 INFO [stderr] Dec 19 14:41:02.769 INFO [stderr] warning: function is never used: `multiples_of_3_and_5` Dec 19 14:41:02.770 INFO [stderr] --> src/problems/prob1.rs:1:1 Dec 19 14:41:02.770 INFO [stderr] | Dec 19 14:41:02.770 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{ Dec 19 14:41:02.771 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.771 INFO [stderr] warning: unused variable: `n` Dec 19 14:41:02.771 INFO [stderr] --> src/main.rs:7:9 Dec 19 14:41:02.772 INFO [stderr] | Dec 19 14:41:02.772 INFO [stderr] 7 | let n = buffer.trim().parse::().unwrap(); Dec 19 14:41:02.772 INFO [stderr] | ^ help: consider using `_n` instead Dec 19 14:41:02.773 INFO [stderr] | Dec 19 14:41:02.773 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 14:41:02.773 INFO [stderr] Dec 19 14:41:02.774 INFO [stderr] | Dec 19 14:41:02.774 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 14:41:02.774 INFO [stderr] Dec 19 14:41:02.774 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5` Dec 19 14:41:02.774 INFO [stderr] --> src/problems/prob1.rs:5:1 Dec 19 14:41:02.774 INFO [stderr] | Dec 19 14:41:02.774 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 { Dec 19 14:41:02.774 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.774 INFO [stderr] Dec 19 14:41:02.775 INFO [stderr] warning: function is never used: `even_fibonacci_numbers` Dec 19 14:41:02.775 INFO [stderr] --> src/problems/prob2.rs:1:1 Dec 19 14:41:02.775 INFO [stderr] | Dec 19 14:41:02.775 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 { Dec 19 14:41:02.775 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.775 INFO [stderr] Dec 19 14:41:02.775 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers` Dec 19 14:41:02.775 INFO [stderr] --> src/problems/prob2.rs:5:1 Dec 19 14:41:02.775 INFO [stderr] | Dec 19 14:41:02.775 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 { Dec 19 14:41:02.775 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.775 INFO [stderr] Dec 19 14:41:02.776 INFO [stderr] warning: function is never used: `largest_prime_factor` Dec 19 14:41:02.776 INFO [stderr] --> src/problems/prob3.rs:1:1 Dec 19 14:41:02.776 INFO [stderr] | Dec 19 14:41:02.776 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 { Dec 19 14:41:02.776 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.776 INFO [stderr] Dec 19 14:41:02.776 INFO [stderr] warning: function is never used: `tail_largest_prime_factor` Dec 19 14:41:02.776 INFO [stderr] --> src/problems/prob3.rs:5:1 Dec 19 14:41:02.776 INFO [stderr] | Dec 19 14:41:02.776 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 { Dec 19 14:41:02.776 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.777 INFO [stderr] Dec 19 14:41:02.784 INFO [stderr] warning: function is never used: `multiples_of_3_and_5` Dec 19 14:41:02.784 INFO [stderr] --> src/problems/prob1.rs:1:1 Dec 19 14:41:02.784 INFO [stderr] | Dec 19 14:41:02.784 INFO [stderr] 1 | pub fn multiples_of_3_and_5(n: u32) -> u64{ Dec 19 14:41:02.784 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.784 INFO [stderr] | Dec 19 14:41:02.784 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 14:41:02.785 INFO [stderr] Dec 19 14:41:02.785 INFO [stderr] warning: function is never used: `tail_multiples_of_3_and_5` Dec 19 14:41:02.785 INFO [stderr] --> src/problems/prob1.rs:5:1 Dec 19 14:41:02.785 INFO [stderr] | Dec 19 14:41:02.785 INFO [stderr] 5 | fn tail_multiples_of_3_and_5(n: u32, att: u64) -> u64 { Dec 19 14:41:02.785 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.785 INFO [stderr] Dec 19 14:41:02.785 INFO [stderr] warning: function is never used: `even_fibonacci_numbers` Dec 19 14:41:02.785 INFO [stderr] --> src/problems/prob2.rs:1:1 Dec 19 14:41:02.785 INFO [stderr] | Dec 19 14:41:02.785 INFO [stderr] 1 | pub fn even_fibonacci_numbers(lim: u64) -> u64 { Dec 19 14:41:02.785 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.785 INFO [stderr] Dec 19 14:41:02.785 INFO [stderr] warning: function is never used: `tail_even_fibonacci_numbers` Dec 19 14:41:02.785 INFO [stderr] --> src/problems/prob2.rs:5:1 Dec 19 14:41:02.785 INFO [stderr] | Dec 19 14:41:02.786 INFO [stderr] 5 | fn tail_even_fibonacci_numbers(lim: u64, current: u64, before: u64, att: u64) -> u64 { Dec 19 14:41:02.786 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.786 INFO [stderr] Dec 19 14:41:02.786 INFO [stderr] warning: function is never used: `largest_prime_factor` Dec 19 14:41:02.786 INFO [stderr] --> src/problems/prob3.rs:1:1 Dec 19 14:41:02.786 INFO [stderr] | Dec 19 14:41:02.786 INFO [stderr] 1 | pub fn largest_prime_factor(n: u64) -> u64 { Dec 19 14:41:02.786 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.786 INFO [stderr] Dec 19 14:41:02.786 INFO [stderr] warning: function is never used: `tail_largest_prime_factor` Dec 19 14:41:02.786 INFO [stderr] --> src/problems/prob3.rs:5:1 Dec 19 14:41:02.786 INFO [stderr] | Dec 19 14:41:02.786 INFO [stderr] 5 | fn tail_largest_prime_factor(n: u64, lpf: u64, att: u64) -> u64 { Dec 19 14:41:02.786 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 14:41:02.786 INFO [stderr] Dec 19 14:41:02.828 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s Dec 19 14:41:03.461 INFO running `"docker" "inspect" "64be458981c4a981cfd684df46fe23736b59b6fe0cf35602b41c50a8aea716de"` Dec 19 14:41:03.712 INFO running `"docker" "rm" "-f" "64be458981c4a981cfd684df46fe23736b59b6fe0cf35602b41c50a8aea716de"` Dec 19 14:41:03.896 INFO [stdout] 64be458981c4a981cfd684df46fe23736b59b6fe0cf35602b41c50a8aea716de