Dec 11 06:07:56.157 INFO checking wismer/caesar-cipher against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 06:07:56.157 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 11 06:07:56.448 INFO [stdout] 3899cb1d57310a85c296b610575749b0df82d4ae28b248adb9107507e3963bd5
Dec 11 06:07:56.454 INFO running `"docker" "start" "-a" "3899cb1d57310a85c296b610575749b0df82d4ae28b248adb9107507e3963bd5"`
Dec 11 06:07:57.087 INFO [stderr] usermod: no changes
Dec 11 06:07:57.134 INFO [stderr]     Checking caesar-cipher v0.1.0 (/source)
Dec 11 06:07:57.310 INFO [stderr] warning: unused import: `std::io`
Dec 11 06:07:57.310 INFO [stderr]  --> src/euler/euler.rs:1:5
Dec 11 06:07:57.310 INFO [stderr]   |
Dec 11 06:07:57.310 INFO [stderr] 1 | use std::io;
Dec 11 06:07:57.310 INFO [stderr]   |     ^^^^^^^
Dec 11 06:07:57.310 INFO [stderr]   |
Dec 11 06:07:57.310 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 06:07:57.310 INFO [stderr] 
Dec 11 06:07:57.355 INFO [stderr] warning: unused variable: `remainder`
Dec 11 06:07:57.355 INFO [stderr]   --> src/euler/euler.rs:40:24
Dec 11 06:07:57.355 INFO [stderr]    |
Dec 11 06:07:57.355 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Dec 11 06:07:57.355 INFO [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Dec 11 06:07:57.355 INFO [stderr]    |
Dec 11 06:07:57.355 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 06:07:57.355 INFO [stderr] 
Dec 11 06:07:57.367 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:07:57.367 INFO [stderr]   --> src/euler/euler.rs:16:9
Dec 11 06:07:57.367 INFO [stderr]    |
Dec 11 06:07:57.367 INFO [stderr] 16 |     let mut total_number = 0u64;
Dec 11 06:07:57.367 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 11 06:07:57.367 INFO [stderr]    |         |
Dec 11 06:07:57.367 INFO [stderr]    |         help: remove this `mut`
Dec 11 06:07:57.367 INFO [stderr]    |
Dec 11 06:07:57.367 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 06:07:57.367 INFO [stderr] 
Dec 11 06:07:57.368 INFO [stderr] warning: variant is never constructed: `Neither`
Dec 11 06:07:57.368 INFO [stderr]  --> src/main.rs:6:5
Dec 11 06:07:57.368 INFO [stderr]   |
Dec 11 06:07:57.368 INFO [stderr] 6 |     Neither
Dec 11 06:07:57.368 INFO [stderr]   |     ^^^^^^^
Dec 11 06:07:57.368 INFO [stderr]   |
Dec 11 06:07:57.368 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 06:07:57.368 INFO [stderr] 
Dec 11 06:07:57.368 INFO [stderr] warning: function is never used: `calculate_remainder`
Dec 11 06:07:57.368 INFO [stderr]   --> src/euler/euler.rs:40:1
Dec 11 06:07:57.368 INFO [stderr]    |
Dec 11 06:07:57.368 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Dec 11 06:07:57.368 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:07:57.368 INFO [stderr] 
Dec 11 06:07:57.368 INFO [stderr] warning: function is never used: `line_total`
Dec 11 06:07:57.368 INFO [stderr]   --> src/euler/euler.rs:44:1
Dec 11 06:07:57.368 INFO [stderr]    |
Dec 11 06:07:57.369 INFO [stderr] 44 | fn line_total(line: &str) -> u64 {
Dec 11 06:07:57.369 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:07:57.369 INFO [stderr] 
Dec 11 06:07:57.377 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:07:57.377 INFO [stderr]   --> src/euler/euler.rs:14:5
Dec 11 06:07:57.377 INFO [stderr]    |
Dec 11 06:07:57.377 INFO [stderr] 14 |     file.read_to_string(&mut contents);
Dec 11 06:07:57.377 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:07:57.377 INFO [stderr]    |
Dec 11 06:07:57.377 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:07:57.378 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:07:57.378 INFO [stderr] 
Dec 11 06:07:57.379 INFO [stderr] warning: unused import: `std::io`
Dec 11 06:07:57.379 INFO [stderr]  --> src/euler/euler.rs:1:5
Dec 11 06:07:57.379 INFO [stderr]   |
Dec 11 06:07:57.379 INFO [stderr] 1 | use std::io;
Dec 11 06:07:57.379 INFO [stderr]   |     ^^^^^^^
Dec 11 06:07:57.379 INFO [stderr]   |
Dec 11 06:07:57.380 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 06:07:57.380 INFO [stderr] 
Dec 11 06:07:57.436 INFO [stderr] warning: unused variable: `remainder`
Dec 11 06:07:57.436 INFO [stderr]   --> src/euler/euler.rs:40:24
Dec 11 06:07:57.436 INFO [stderr]    |
Dec 11 06:07:57.436 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Dec 11 06:07:57.436 INFO [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Dec 11 06:07:57.436 INFO [stderr]    |
Dec 11 06:07:57.436 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 06:07:57.436 INFO [stderr] 
Dec 11 06:07:57.444 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:07:57.444 INFO [stderr]   --> src/euler/euler.rs:16:9
Dec 11 06:07:57.444 INFO [stderr]    |
Dec 11 06:07:57.444 INFO [stderr] 16 |     let mut total_number = 0u64;
Dec 11 06:07:57.444 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 11 06:07:57.444 INFO [stderr]    |         |
Dec 11 06:07:57.444 INFO [stderr]    |         help: remove this `mut`
Dec 11 06:07:57.444 INFO [stderr]    |
Dec 11 06:07:57.444 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 06:07:57.444 INFO [stderr] 
Dec 11 06:07:57.444 INFO [stderr] warning: variant is never constructed: `Neither`
Dec 11 06:07:57.444 INFO [stderr]  --> src/main.rs:6:5
Dec 11 06:07:57.444 INFO [stderr]   |
Dec 11 06:07:57.444 INFO [stderr] 6 |     Neither
Dec 11 06:07:57.444 INFO [stderr]   |     ^^^^^^^
Dec 11 06:07:57.444 INFO [stderr]   |
Dec 11 06:07:57.444 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 06:07:57.444 INFO [stderr] 
Dec 11 06:07:57.444 INFO [stderr] warning: function is never used: `calculate_remainder`
Dec 11 06:07:57.444 INFO [stderr]   --> src/euler/euler.rs:40:1
Dec 11 06:07:57.444 INFO [stderr]    |
Dec 11 06:07:57.445 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Dec 11 06:07:57.445 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:07:57.445 INFO [stderr] 
Dec 11 06:07:57.445 INFO [stderr] warning: function is never used: `line_total`
Dec 11 06:07:57.445 INFO [stderr]   --> src/euler/euler.rs:44:1
Dec 11 06:07:57.445 INFO [stderr]    |
Dec 11 06:07:57.445 INFO [stderr] 44 | fn line_total(line: &str) -> u64 {
Dec 11 06:07:57.445 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:07:57.445 INFO [stderr] 
Dec 11 06:07:57.452 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:07:57.452 INFO [stderr]   --> src/euler/euler.rs:14:5
Dec 11 06:07:57.452 INFO [stderr]    |
Dec 11 06:07:57.452 INFO [stderr] 14 |     file.read_to_string(&mut contents);
Dec 11 06:07:57.452 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:07:57.452 INFO [stderr]    |
Dec 11 06:07:57.452 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:07:57.452 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:07:57.452 INFO [stderr] 
Dec 11 06:07:57.477 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Dec 11 06:07:57.479 INFO [stderr] su: No module specific data is present
Dec 11 06:07:58.352 INFO running `"docker" "inspect" "3899cb1d57310a85c296b610575749b0df82d4ae28b248adb9107507e3963bd5"`
Dec 11 06:07:58.524 INFO running `"docker" "rm" "-f" "3899cb1d57310a85c296b610575749b0df82d4ae28b248adb9107507e3963bd5"`
Dec 11 06:07:58.676 INFO [stdout] 3899cb1d57310a85c296b610575749b0df82d4ae28b248adb9107507e3963bd5