Dec 17 11:55:03.257 INFO checking wismer/caesar-cipher against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 11:55:03.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/wismer/caesar-cipher:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 11:55:03.745 INFO [stdout] 498f775f673ac671756e2b49078a6ed891dbac25534c8dbee51b1cea027c37da
Dec 17 11:55:03.747 INFO running `"docker" "start" "-a" "498f775f673ac671756e2b49078a6ed891dbac25534c8dbee51b1cea027c37da"`
Dec 17 11:55:06.820 INFO [stderr]     Checking caesar-cipher v0.1.0 (/opt/crater/workdir)
Dec 17 11:55:07.096 INFO [stderr] warning: unused import: `std::io`
Dec 17 11:55:07.097 INFO [stderr]  --> src/euler/euler.rs:1:5
Dec 17 11:55:07.097 INFO [stderr]   |
Dec 17 11:55:07.097 INFO [stderr] 1 | use std::io;
Dec 17 11:55:07.097 INFO [stderr]   |     ^^^^^^^
Dec 17 11:55:07.098 INFO [stderr]   |
Dec 17 11:55:07.098 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:55:07.098 INFO [stderr] 
Dec 17 11:55:07.098 INFO [stderr] warning: unused import: `std::io`
Dec 17 11:55:07.098 INFO [stderr]  --> src/euler/euler.rs:1:5
Dec 17 11:55:07.099 INFO [stderr]   |
Dec 17 11:55:07.099 INFO [stderr] 1 | use std::io;
Dec 17 11:55:07.099 INFO [stderr]   |     ^^^^^^^
Dec 17 11:55:07.099 INFO [stderr]   |
Dec 17 11:55:07.100 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:55:07.100 INFO [stderr] 
Dec 17 11:55:07.200 INFO [stderr] warning: unused variable: `remainder`
Dec 17 11:55:07.201 INFO [stderr]   --> src/euler/euler.rs:40:24
Dec 17 11:55:07.201 INFO [stderr]    |
Dec 17 11:55:07.201 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Dec 17 11:55:07.202 INFO [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Dec 17 11:55:07.202 INFO [stderr]    |
Dec 17 11:55:07.202 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 11:55:07.202 INFO [stderr] 
Dec 17 11:55:07.207 INFO [stderr] warning: unused variable: `remainder`
Dec 17 11:55:07.207 INFO [stderr]   --> src/euler/euler.rs:40:24
Dec 17 11:55:07.207 INFO [stderr]    |
Dec 17 11:55:07.208 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Dec 17 11:55:07.208 INFO [stderr]    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Dec 17 11:55:07.208 INFO [stderr]    |
Dec 17 11:55:07.208 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 11:55:07.209 INFO [stderr] 
Dec 17 11:55:07.212 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:55:07.212 INFO [stderr]   --> src/euler/euler.rs:16:9
Dec 17 11:55:07.213 INFO [stderr]    |
Dec 17 11:55:07.213 INFO [stderr] 16 |     let mut total_number = 0u64;
Dec 17 11:55:07.213 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 17 11:55:07.213 INFO [stderr]    |         |
Dec 17 11:55:07.214 INFO [stderr]    |         help: remove this `mut`
Dec 17 11:55:07.214 INFO [stderr]    |
Dec 17 11:55:07.214 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 11:55:07.214 INFO [stderr] 
Dec 17 11:55:07.214 INFO [stderr] warning: variant is never constructed: `Neither`
Dec 17 11:55:07.215 INFO [stderr]  --> src/main.rs:6:5
Dec 17 11:55:07.215 INFO [stderr]   |
Dec 17 11:55:07.215 INFO [stderr] 6 |     Neither
Dec 17 11:55:07.215 INFO [stderr]   |     ^^^^^^^
Dec 17 11:55:07.215 INFO [stderr]   |
Dec 17 11:55:07.216 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 11:55:07.216 INFO [stderr] 
Dec 17 11:55:07.216 INFO [stderr] warning: function is never used: `calculate_remainder`
Dec 17 11:55:07.216 INFO [stderr]   --> src/euler/euler.rs:40:1
Dec 17 11:55:07.216 INFO [stderr]    |
Dec 17 11:55:07.217 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Dec 17 11:55:07.217 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:55:07.217 INFO [stderr] 
Dec 17 11:55:07.217 INFO [stderr] warning: function is never used: `line_total`
Dec 17 11:55:07.217 INFO [stderr]   --> src/euler/euler.rs:44:1
Dec 17 11:55:07.218 INFO [stderr]    |
Dec 17 11:55:07.218 INFO [stderr] 44 | fn line_total(line: &str) -> u64 {
Dec 17 11:55:07.218 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:55:07.218 INFO [stderr] 
Dec 17 11:55:07.231 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:55:07.232 INFO [stderr]   --> src/euler/euler.rs:14:5
Dec 17 11:55:07.232 INFO [stderr]    |
Dec 17 11:55:07.232 INFO [stderr] 14 |     file.read_to_string(&mut contents);
Dec 17 11:55:07.232 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:55:07.233 INFO [stderr]    |
Dec 17 11:55:07.233 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 11:55:07.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:55:07.234 INFO [stderr] 
Dec 17 11:55:07.236 INFO [stderr] warning: variable does not need to be mutable
Dec 17 11:55:07.236 INFO [stderr]   --> src/euler/euler.rs:16:9
Dec 17 11:55:07.237 INFO [stderr]    |
Dec 17 11:55:07.237 INFO [stderr] 16 |     let mut total_number = 0u64;
Dec 17 11:55:07.237 INFO [stderr]    |         ----^^^^^^^^^^^^
Dec 17 11:55:07.238 INFO [stderr]    |         |
Dec 17 11:55:07.238 INFO [stderr]    |         help: remove this `mut`
Dec 17 11:55:07.238 INFO [stderr]    |
Dec 17 11:55:07.239 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 11:55:07.239 INFO [stderr] 
Dec 17 11:55:07.239 INFO [stderr] warning: variant is never constructed: `Neither`
Dec 17 11:55:07.239 INFO [stderr]  --> src/main.rs:6:5
Dec 17 11:55:07.240 INFO [stderr]   |
Dec 17 11:55:07.240 INFO [stderr] 6 |     Neither
Dec 17 11:55:07.240 INFO [stderr]   |     ^^^^^^^
Dec 17 11:55:07.241 INFO [stderr]   |
Dec 17 11:55:07.241 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 11:55:07.241 INFO [stderr] 
Dec 17 11:55:07.241 INFO [stderr] warning: function is never used: `calculate_remainder`
Dec 17 11:55:07.242 INFO [stderr]   --> src/euler/euler.rs:40:1
Dec 17 11:55:07.242 INFO [stderr]    |
Dec 17 11:55:07.242 INFO [stderr] 40 | fn calculate_remainder(remainder: &mut i32) {
Dec 17 11:55:07.242 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:55:07.243 INFO [stderr] 
Dec 17 11:55:07.243 INFO [stderr] warning: function is never used: `line_total`
Dec 17 11:55:07.243 INFO [stderr]   --> src/euler/euler.rs:44:1
Dec 17 11:55:07.244 INFO [stderr]    |
Dec 17 11:55:07.244 INFO [stderr] 44 | fn line_total(line: &str) -> u64 {
Dec 17 11:55:07.244 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:55:07.244 INFO [stderr] 
Dec 17 11:55:07.273 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 11:55:07.273 INFO [stderr]   --> src/euler/euler.rs:14:5
Dec 17 11:55:07.273 INFO [stderr]    |
Dec 17 11:55:07.273 INFO [stderr] 14 |     file.read_to_string(&mut contents);
Dec 17 11:55:07.273 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:55:07.273 INFO [stderr]    |
Dec 17 11:55:07.273 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 11:55:07.273 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 11:55:07.273 INFO [stderr] 
Dec 17 11:55:07.331 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 17 11:55:08.939 INFO running `"docker" "inspect" "498f775f673ac671756e2b49078a6ed891dbac25534c8dbee51b1cea027c37da"`
Dec 17 11:55:09.278 INFO running `"docker" "rm" "-f" "498f775f673ac671756e2b49078a6ed891dbac25534c8dbee51b1cea027c37da"`
Dec 17 11:55:09.656 INFO [stdout] 498f775f673ac671756e2b49078a6ed891dbac25534c8dbee51b1cea027c37da