Oct 31 18:03:18.685 INFO checking wismer/caesar-cipher against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 18:03:18.685 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Oct 31 18:03:19.103 INFO blam! 63b4605a474621f8950a26f1a4a227af4a12f107b325e24832bd5bf77ea3bed8
Oct 31 18:03:19.105 INFO running `"docker" "start" "-a" "63b4605a474621f8950a26f1a4a227af4a12f107b325e24832bd5bf77ea3bed8"`
Oct 31 18:03:21.723 INFO kablam! usermod: no changes
Oct 31 18:03:21.784 INFO kablam!     Checking caesar-cipher v0.1.0 (/source)
Oct 31 18:03:21.980 INFO kablam! warning: unused import: `std::io`
Oct 31 18:03:21.980 INFO kablam!  --> src/euler/euler.rs:1:5
Oct 31 18:03:21.980 INFO kablam!   |
Oct 31 18:03:21.980 INFO kablam! 1 | use std::io;
Oct 31 18:03:21.980 INFO kablam!   |     ^^^^^^^
Oct 31 18:03:21.980 INFO kablam!   |
Oct 31 18:03:21.980 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 18:03:21.980 INFO kablam! 
Oct 31 18:03:22.046 INFO kablam! warning: unused import: `std::io`
Oct 31 18:03:22.046 INFO kablam!  --> src/euler/euler.rs:1:5
Oct 31 18:03:22.046 INFO kablam!   |
Oct 31 18:03:22.046 INFO kablam! 1 | use std::io;
Oct 31 18:03:22.046 INFO kablam!   |     ^^^^^^^
Oct 31 18:03:22.046 INFO kablam!   |
Oct 31 18:03:22.052 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 18:03:22.052 INFO kablam! 
Oct 31 18:03:22.061 INFO kablam! warning: unused variable: `remainder`
Oct 31 18:03:22.061 INFO kablam!   --> src/euler/euler.rs:40:24
Oct 31 18:03:22.061 INFO kablam!    |
Oct 31 18:03:22.061 INFO kablam! 40 | fn calculate_remainder(remainder: &mut i32) {
Oct 31 18:03:22.061 INFO kablam!    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Oct 31 18:03:22.061 INFO kablam!    |
Oct 31 18:03:22.061 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 18:03:22.061 INFO kablam! 
Oct 31 18:03:22.085 INFO kablam! warning: variable does not need to be mutable
Oct 31 18:03:22.085 INFO kablam!   --> src/euler/euler.rs:16:9
Oct 31 18:03:22.085 INFO kablam!    |
Oct 31 18:03:22.085 INFO kablam! 16 |     let mut total_number = 0u64;
Oct 31 18:03:22.085 INFO kablam!    |         ----^^^^^^^^^^^^
Oct 31 18:03:22.085 INFO kablam!    |         |
Oct 31 18:03:22.085 INFO kablam!    |         help: remove this `mut`
Oct 31 18:03:22.085 INFO kablam!    |
Oct 31 18:03:22.085 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 18:03:22.085 INFO kablam! 
Oct 31 18:03:22.086 INFO kablam! warning: variant is never constructed: `Neither`
Oct 31 18:03:22.086 INFO kablam!  --> src/main.rs:6:5
Oct 31 18:03:22.086 INFO kablam!   |
Oct 31 18:03:22.086 INFO kablam! 6 |     Neither
Oct 31 18:03:22.086 INFO kablam!   |     ^^^^^^^
Oct 31 18:03:22.086 INFO kablam!   |
Oct 31 18:03:22.086 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 18:03:22.086 INFO kablam! 
Oct 31 18:03:22.086 INFO kablam! warning: function is never used: `calculate_remainder`
Oct 31 18:03:22.087 INFO kablam!   --> src/euler/euler.rs:40:1
Oct 31 18:03:22.087 INFO kablam!    |
Oct 31 18:03:22.087 INFO kablam! 40 | fn calculate_remainder(remainder: &mut i32) {
Oct 31 18:03:22.087 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:03:22.087 INFO kablam! 
Oct 31 18:03:22.087 INFO kablam! warning: function is never used: `line_total`
Oct 31 18:03:22.087 INFO kablam!   --> src/euler/euler.rs:44:1
Oct 31 18:03:22.087 INFO kablam!    |
Oct 31 18:03:22.088 INFO kablam! 44 | fn line_total(line: &str) -> u64 {
Oct 31 18:03:22.088 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:03:22.088 INFO kablam! 
Oct 31 18:03:22.104 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 18:03:22.104 INFO kablam!   --> src/euler/euler.rs:14:5
Oct 31 18:03:22.104 INFO kablam!    |
Oct 31 18:03:22.104 INFO kablam! 14 |     file.read_to_string(&mut contents);
Oct 31 18:03:22.105 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:03:22.105 INFO kablam!    |
Oct 31 18:03:22.105 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 18:03:22.105 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 18:03:22.105 INFO kablam! 
Oct 31 18:03:22.186 INFO kablam! warning: unused variable: `remainder`
Oct 31 18:03:22.186 INFO kablam!   --> src/euler/euler.rs:40:24
Oct 31 18:03:22.186 INFO kablam!    |
Oct 31 18:03:22.186 INFO kablam! 40 | fn calculate_remainder(remainder: &mut i32) {
Oct 31 18:03:22.186 INFO kablam!    |                        ^^^^^^^^^ help: consider using `_remainder` instead
Oct 31 18:03:22.187 INFO kablam!    |
Oct 31 18:03:22.187 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 18:03:22.187 INFO kablam! 
Oct 31 18:03:22.200 INFO kablam! warning: variable does not need to be mutable
Oct 31 18:03:22.200 INFO kablam!   --> src/euler/euler.rs:16:9
Oct 31 18:03:22.200 INFO kablam!    |
Oct 31 18:03:22.200 INFO kablam! 16 |     let mut total_number = 0u64;
Oct 31 18:03:22.200 INFO kablam!    |         ----^^^^^^^^^^^^
Oct 31 18:03:22.200 INFO kablam!    |         |
Oct 31 18:03:22.201 INFO kablam!    |         help: remove this `mut`
Oct 31 18:03:22.201 INFO kablam!    |
Oct 31 18:03:22.201 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 18:03:22.201 INFO kablam! 
Oct 31 18:03:22.201 INFO kablam! warning: variant is never constructed: `Neither`
Oct 31 18:03:22.201 INFO kablam!  --> src/main.rs:6:5
Oct 31 18:03:22.202 INFO kablam!   |
Oct 31 18:03:22.202 INFO kablam! 6 |     Neither
Oct 31 18:03:22.202 INFO kablam!   |     ^^^^^^^
Oct 31 18:03:22.202 INFO kablam!   |
Oct 31 18:03:22.202 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 18:03:22.202 INFO kablam! 
Oct 31 18:03:22.202 INFO kablam! warning: function is never used: `calculate_remainder`
Oct 31 18:03:22.203 INFO kablam!   --> src/euler/euler.rs:40:1
Oct 31 18:03:22.203 INFO kablam!    |
Oct 31 18:03:22.203 INFO kablam! 40 | fn calculate_remainder(remainder: &mut i32) {
Oct 31 18:03:22.203 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:03:22.203 INFO kablam! 
Oct 31 18:03:22.203 INFO kablam! warning: function is never used: `line_total`
Oct 31 18:03:22.203 INFO kablam!   --> src/euler/euler.rs:44:1
Oct 31 18:03:22.204 INFO kablam!    |
Oct 31 18:03:22.204 INFO kablam! 44 | fn line_total(line: &str) -> u64 {
Oct 31 18:03:22.204 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:03:22.204 INFO kablam! 
Oct 31 18:03:22.218 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 18:03:22.218 INFO kablam!   --> src/euler/euler.rs:14:5
Oct 31 18:03:22.218 INFO kablam!    |
Oct 31 18:03:22.218 INFO kablam! 14 |     file.read_to_string(&mut contents);
Oct 31 18:03:22.218 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:03:22.218 INFO kablam!    |
Oct 31 18:03:22.218 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 18:03:22.219 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 18:03:22.219 INFO kablam! 
Oct 31 18:03:22.260 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Oct 31 18:03:22.269 INFO kablam! su: No module specific data is present
Oct 31 18:03:23.788 INFO running `"docker" "rm" "-f" "63b4605a474621f8950a26f1a4a227af4a12f107b325e24832bd5bf77ea3bed8"`
Oct 31 18:03:24.100 INFO blam! 63b4605a474621f8950a26f1a4a227af4a12f107b325e24832bd5bf77ea3bed8