Nov 27 17:03:33.482 INFO checking wismer/caesar-cipher against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 17:03:33.482 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 17:03:33.917 INFO [stdout] 0a28fb051ec689f731fb66ecd2306275c636b84d6443f12f1e94e89747566fcc
Nov 27 17:03:33.919 INFO running `"docker" "start" "-a" "0a28fb051ec689f731fb66ecd2306275c636b84d6443f12f1e94e89747566fcc"`
Nov 27 17:03:36.332 INFO [stderr] usermod: no changes
Nov 27 17:03:36.372 INFO [stderr]     Checking caesar-cipher v0.1.0 (/source)
Nov 27 17:03:36.640 INFO [stderr] warning: unused import: `std::io`
Nov 27 17:03:36.640 INFO [stderr]  --> src/euler/euler.rs:1:5
Nov 27 17:03:36.640 INFO [stderr]   |
Nov 27 17:03:36.640 INFO [stderr] 1 | use std::io;
Nov 27 17:03:36.640 INFO [stderr]   |     ^^^^^^^
Nov 27 17:03:36.640 INFO [stderr]   |
Nov 27 17:03:36.640 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 17:03:36.640 INFO [stderr] 
Nov 27 17:03:36.661 INFO [stderr] warning: unused import: `std::io`
Nov 27 17:03:36.661 INFO [stderr]  --> src/euler/euler.rs:1:5
Nov 27 17:03:36.661 INFO [stderr]   |
Nov 27 17:03:36.661 INFO [stderr] 1 | use std::io;
Nov 27 17:03:36.661 INFO [stderr]   |     ^^^^^^^
Nov 27 17:03:36.662 INFO [stderr]   |
Nov 27 17:03:36.662 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 17:03:36.662 INFO [stderr] 
Nov 27 17:03:36.740 INFO [stderr] warning: unused variable: `remainder`
Nov 27 17:03:36.740 INFO [stderr]   --> src/euler/euler.rs:40:24
Nov 27 17:03:36.740 INFO [stderr]    |
Nov 27 17:03:36.740 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Nov 27 17:03:36.740 INFO [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Nov 27 17:03:36.740 INFO [stderr]    |
Nov 27 17:03:36.740 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 17:03:36.740 INFO [stderr] 
Nov 27 17:03:36.759 INFO [stderr] warning: unused variable: `remainder`
Nov 27 17:03:36.759 INFO [stderr]   --> src/euler/euler.rs:40:24
Nov 27 17:03:36.759 INFO [stderr]    |
Nov 27 17:03:36.759 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Nov 27 17:03:36.759 INFO [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Nov 27 17:03:36.759 INFO [stderr]    |
Nov 27 17:03:36.772 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 17:03:36.772 INFO [stderr] 
Nov 27 17:03:36.772 INFO [stderr] warning: variable does not need to be mutable
Nov 27 17:03:36.772 INFO [stderr]   --> src/euler/euler.rs:16:9
Nov 27 17:03:36.772 INFO [stderr]    |
Nov 27 17:03:36.772 INFO [stderr] 16 |     let mut total_number = 0u64;
Nov 27 17:03:36.772 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 27 17:03:36.773 INFO [stderr]    |         |
Nov 27 17:03:36.773 INFO [stderr]    |         help: remove this `mut`
Nov 27 17:03:36.773 INFO [stderr]    |
Nov 27 17:03:36.773 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 17:03:36.773 INFO [stderr] 
Nov 27 17:03:36.773 INFO [stderr] warning: variant is never constructed: `Neither`
Nov 27 17:03:36.773 INFO [stderr]  --> src/main.rs:6:5
Nov 27 17:03:36.773 INFO [stderr]   |
Nov 27 17:03:36.773 INFO [stderr] 6 |     Neither
Nov 27 17:03:36.773 INFO [stderr]   |     ^^^^^^^
Nov 27 17:03:36.773 INFO [stderr]   |
Nov 27 17:03:36.773 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 17:03:36.773 INFO [stderr] 
Nov 27 17:03:36.773 INFO [stderr] warning: function is never used: `calculate_remainder`
Nov 27 17:03:36.773 INFO [stderr]   --> src/euler/euler.rs:40:1
Nov 27 17:03:36.773 INFO [stderr]    |
Nov 27 17:03:36.773 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Nov 27 17:03:36.773 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:36.773 INFO [stderr] 
Nov 27 17:03:36.773 INFO [stderr] warning: function is never used: `line_total`
Nov 27 17:03:36.773 INFO [stderr]   --> src/euler/euler.rs:44:1
Nov 27 17:03:36.773 INFO [stderr]    |
Nov 27 17:03:36.773 INFO [stderr] 44 | fn line_total(line: &str) -> u64 {
Nov 27 17:03:36.773 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:36.773 INFO [stderr] 
Nov 27 17:03:36.782 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:03:36.782 INFO [stderr]   --> src/euler/euler.rs:14:5
Nov 27 17:03:36.782 INFO [stderr]    |
Nov 27 17:03:36.782 INFO [stderr] 14 |     file.read_to_string(&mut contents);
Nov 27 17:03:36.782 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:36.782 INFO [stderr]    |
Nov 27 17:03:36.782 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 17:03:36.782 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:03:36.782 INFO [stderr] 
Nov 27 17:03:36.798 INFO [stderr] warning: variable does not need to be mutable
Nov 27 17:03:36.798 INFO [stderr]   --> src/euler/euler.rs:16:9
Nov 27 17:03:36.798 INFO [stderr]    |
Nov 27 17:03:36.798 INFO [stderr] 16 |     let mut total_number = 0u64;
Nov 27 17:03:36.798 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 27 17:03:36.798 INFO [stderr]    |         |
Nov 27 17:03:36.798 INFO [stderr]    |         help: remove this `mut`
Nov 27 17:03:36.798 INFO [stderr]    |
Nov 27 17:03:36.798 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 17:03:36.798 INFO [stderr] 
Nov 27 17:03:36.799 INFO [stderr] warning: variant is never constructed: `Neither`
Nov 27 17:03:36.799 INFO [stderr]  --> src/main.rs:6:5
Nov 27 17:03:36.799 INFO [stderr]   |
Nov 27 17:03:36.799 INFO [stderr] 6 |     Neither
Nov 27 17:03:36.799 INFO [stderr]   |     ^^^^^^^
Nov 27 17:03:36.799 INFO [stderr]   |
Nov 27 17:03:36.799 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 17:03:36.799 INFO [stderr] 
Nov 27 17:03:36.799 INFO [stderr] warning: function is never used: `calculate_remainder`
Nov 27 17:03:36.799 INFO [stderr]   --> src/euler/euler.rs:40:1
Nov 27 17:03:36.800 INFO [stderr]    |
Nov 27 17:03:36.800 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Nov 27 17:03:36.800 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:36.800 INFO [stderr] 
Nov 27 17:03:36.800 INFO [stderr] warning: function is never used: `line_total`
Nov 27 17:03:36.800 INFO [stderr]   --> src/euler/euler.rs:44:1
Nov 27 17:03:36.800 INFO [stderr]    |
Nov 27 17:03:36.800 INFO [stderr] 44 | fn line_total(line: &str) -> u64 {
Nov 27 17:03:36.800 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:36.800 INFO [stderr] 
Nov 27 17:03:36.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:03:36.821 INFO [stderr]   --> src/euler/euler.rs:14:5
Nov 27 17:03:36.821 INFO [stderr]    |
Nov 27 17:03:36.821 INFO [stderr] 14 |     file.read_to_string(&mut contents);
Nov 27 17:03:36.821 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:36.821 INFO [stderr]    |
Nov 27 17:03:36.821 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 17:03:36.821 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:03:36.821 INFO [stderr] 
Nov 27 17:03:36.857 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Nov 27 17:03:36.859 INFO [stderr] su: No module specific data is present
Nov 27 17:03:38.316 INFO running `"docker" "inspect" "0a28fb051ec689f731fb66ecd2306275c636b84d6443f12f1e94e89747566fcc"`
Nov 27 17:03:38.674 INFO running `"docker" "rm" "-f" "0a28fb051ec689f731fb66ecd2306275c636b84d6443f12f1e94e89747566fcc"`
Nov 27 17:03:39.059 INFO [stdout] 0a28fb051ec689f731fb66ecd2306275c636b84d6443f12f1e94e89747566fcc