Nov 27 17:03:39.137 INFO checking wismer/caesar-cipher against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 17:03:39.138 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 17:03:39.589 INFO [stdout] 703d77ffa73c878459aa1343dca296520430ef62cbb1b49789704bf07a0c0bec
Nov 27 17:03:39.591 INFO running `"docker" "start" "-a" "703d77ffa73c878459aa1343dca296520430ef62cbb1b49789704bf07a0c0bec"`
Nov 27 17:03:41.412 INFO [stderr] usermod: no changes
Nov 27 17:03:41.536 INFO [stderr]     Checking caesar-cipher v0.1.0 (/source)
Nov 27 17:03:41.760 INFO [stderr] warning: unused import: `std::io`
Nov 27 17:03:41.760 INFO [stderr]  --> src/euler/euler.rs:1:5
Nov 27 17:03:41.760 INFO [stderr]   |
Nov 27 17:03:41.760 INFO [stderr] 1 | use std::io;
Nov 27 17:03:41.760 INFO [stderr]   |     ^^^^^^^
Nov 27 17:03:41.760 INFO [stderr]   |
Nov 27 17:03:41.760 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 17:03:41.760 INFO [stderr] 
Nov 27 17:03:41.816 INFO [stderr] warning: unused variable: `remainder`
Nov 27 17:03:41.817 INFO [stderr]   --> src/euler/euler.rs:40:24
Nov 27 17:03:41.817 INFO [stderr]    |
Nov 27 17:03:41.817 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Nov 27 17:03:41.818 INFO [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Nov 27 17:03:41.818 INFO [stderr]    |
Nov 27 17:03:41.818 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 17:03:41.819 INFO [stderr] 
Nov 27 17:03:41.819 INFO [stderr] warning: variable does not need to be mutable
Nov 27 17:03:41.819 INFO [stderr]   --> src/euler/euler.rs:16:9
Nov 27 17:03:41.819 INFO [stderr]    |
Nov 27 17:03:41.820 INFO [stderr] 16 |     let mut total_number = 0u64;
Nov 27 17:03:41.820 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 27 17:03:41.820 INFO [stderr]    |         |
Nov 27 17:03:41.821 INFO [stderr]    |         help: remove this `mut`
Nov 27 17:03:41.821 INFO [stderr]    |
Nov 27 17:03:41.821 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 17:03:41.822 INFO [stderr] 
Nov 27 17:03:41.822 INFO [stderr] warning: variant is never constructed: `Neither`
Nov 27 17:03:41.822 INFO [stderr]  --> src/main.rs:6:5
Nov 27 17:03:41.822 INFO [stderr]   |
Nov 27 17:03:41.823 INFO [stderr] 6 |     Neither
Nov 27 17:03:41.823 INFO [stderr]   |     ^^^^^^^
Nov 27 17:03:41.823 INFO [stderr]   |
Nov 27 17:03:41.824 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 17:03:41.824 INFO [stderr] 
Nov 27 17:03:41.824 INFO [stderr] warning: function is never used: `calculate_remainder`
Nov 27 17:03:41.825 INFO [stderr]   --> src/euler/euler.rs:40:1
Nov 27 17:03:41.825 INFO [stderr]    |
Nov 27 17:03:41.825 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Nov 27 17:03:41.825 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:41.826 INFO [stderr] 
Nov 27 17:03:41.826 INFO [stderr] warning: function is never used: `line_total`
Nov 27 17:03:41.826 INFO [stderr]   --> src/euler/euler.rs:44:1
Nov 27 17:03:41.827 INFO [stderr]    |
Nov 27 17:03:41.827 INFO [stderr] 44 | fn line_total(line: &str) -> u64 {
Nov 27 17:03:41.827 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:41.827 INFO [stderr] 
Nov 27 17:03:41.828 INFO [stderr] warning: unused import: `std::io`
Nov 27 17:03:41.828 INFO [stderr]  --> src/euler/euler.rs:1:5
Nov 27 17:03:41.828 INFO [stderr]   |
Nov 27 17:03:41.829 INFO [stderr] 1 | use std::io;
Nov 27 17:03:41.829 INFO [stderr]   |     ^^^^^^^
Nov 27 17:03:41.829 INFO [stderr]   |
Nov 27 17:03:41.830 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 17:03:41.830 INFO [stderr] 
Nov 27 17:03:41.830 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:03:41.831 INFO [stderr]   --> src/euler/euler.rs:14:5
Nov 27 17:03:41.831 INFO [stderr]    |
Nov 27 17:03:41.831 INFO [stderr] 14 |     file.read_to_string(&mut contents);
Nov 27 17:03:41.831 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:41.832 INFO [stderr]    |
Nov 27 17:03:41.832 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 17:03:41.832 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:03:41.833 INFO [stderr] 
Nov 27 17:03:41.932 INFO [stderr] warning: unused variable: `remainder`
Nov 27 17:03:41.933 INFO [stderr]   --> src/euler/euler.rs:40:24
Nov 27 17:03:41.933 INFO [stderr]    |
Nov 27 17:03:41.933 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Nov 27 17:03:41.934 INFO [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Nov 27 17:03:41.934 INFO [stderr]    |
Nov 27 17:03:41.934 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 17:03:41.934 INFO [stderr] 
Nov 27 17:03:41.944 INFO [stderr] warning: variable does not need to be mutable
Nov 27 17:03:41.945 INFO [stderr]   --> src/euler/euler.rs:16:9
Nov 27 17:03:41.945 INFO [stderr]    |
Nov 27 17:03:41.945 INFO [stderr] 16 |     let mut total_number = 0u64;
Nov 27 17:03:41.946 INFO [stderr]    |         ----^^^^^^^^^^^^
Nov 27 17:03:41.946 INFO [stderr]    |         |
Nov 27 17:03:41.946 INFO [stderr]    |         help: remove this `mut`
Nov 27 17:03:41.947 INFO [stderr]    |
Nov 27 17:03:41.947 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 17:03:41.947 INFO [stderr] 
Nov 27 17:03:41.947 INFO [stderr] warning: variant is never constructed: `Neither`
Nov 27 17:03:41.948 INFO [stderr]  --> src/main.rs:6:5
Nov 27 17:03:41.948 INFO [stderr]   |
Nov 27 17:03:41.948 INFO [stderr] 6 |     Neither
Nov 27 17:03:41.949 INFO [stderr]   |     ^^^^^^^
Nov 27 17:03:41.949 INFO [stderr]   |
Nov 27 17:03:41.949 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 17:03:41.949 INFO [stderr] 
Nov 27 17:03:41.949 INFO [stderr] warning: function is never used: `calculate_remainder`
Nov 27 17:03:41.950 INFO [stderr]   --> src/euler/euler.rs:40:1
Nov 27 17:03:41.950 INFO [stderr]    |
Nov 27 17:03:41.950 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Nov 27 17:03:41.950 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:41.951 INFO [stderr] 
Nov 27 17:03:41.951 INFO [stderr] warning: function is never used: `line_total`
Nov 27 17:03:41.951 INFO [stderr]   --> src/euler/euler.rs:44:1
Nov 27 17:03:41.951 INFO [stderr]    |
Nov 27 17:03:41.952 INFO [stderr] 44 | fn line_total(line: &str) -> u64 {
Nov 27 17:03:41.952 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:41.952 INFO [stderr] 
Nov 27 17:03:41.960 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:03:41.961 INFO [stderr]   --> src/euler/euler.rs:14:5
Nov 27 17:03:41.961 INFO [stderr]    |
Nov 27 17:03:41.961 INFO [stderr] 14 |     file.read_to_string(&mut contents);
Nov 27 17:03:41.962 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:03:41.962 INFO [stderr]    |
Nov 27 17:03:41.962 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 17:03:41.962 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:03:41.963 INFO [stderr] 
Nov 27 17:03:41.976 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Nov 27 17:03:41.984 INFO [stderr] su: No module specific data is present
Nov 27 17:03:43.168 INFO running `"docker" "inspect" "703d77ffa73c878459aa1343dca296520430ef62cbb1b49789704bf07a0c0bec"`
Nov 27 17:03:43.445 INFO running `"docker" "rm" "-f" "703d77ffa73c878459aa1343dca296520430ef62cbb1b49789704bf07a0c0bec"`
Nov 27 17:03:43.763 INFO [stdout] 703d77ffa73c878459aa1343dca296520430ef62cbb1b49789704bf07a0c0bec