Dec 19 12:57:56.106 INFO checking matthew86707/RustAdvent against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:57:56.106 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/matthew86707/RustAdvent:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:57:56.558 INFO [stdout] 96b51349a74fe1cf1e5d71dc838ea0f1973d68c17455b817e6b90ad311dc279c
Dec 19 12:57:56.568 INFO running `"docker" "start" "-a" "96b51349a74fe1cf1e5d71dc838ea0f1973d68c17455b817e6b90ad311dc279c"`
Dec 19 12:57:58.211 INFO [stderr]     Checking RustAdvent v0.1.0 (/opt/crater/workdir)
Dec 19 12:57:58.548 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 12:57:58.548 INFO [stderr]   --> src/main.rs:69:4
Dec 19 12:57:58.548 INFO [stderr]    |
Dec 19 12:57:58.548 INFO [stderr] 69 |     if(this_group.inner_groups.len() < 1){
Dec 19 12:57:58.548 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 12:57:58.548 INFO [stderr]    |
Dec 19 12:57:58.548 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 12:57:58.548 INFO [stderr] 
Dec 19 12:57:58.548 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 19 12:57:58.548 INFO [stderr]   --> src/main.rs:89:6
Dec 19 12:57:58.548 INFO [stderr]    |
Dec 19 12:57:58.548 INFO [stderr] 89 |     use std::io::Cursor;
Dec 19 12:57:58.548 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 19 12:57:58.548 INFO [stderr]    |
Dec 19 12:57:58.548 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 12:57:58.548 INFO [stderr] 
Dec 19 12:57:58.580 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 12:57:58.580 INFO [stderr]   --> src/main.rs:69:4
Dec 19 12:57:58.580 INFO [stderr]    |
Dec 19 12:57:58.580 INFO [stderr] 69 |     if(this_group.inner_groups.len() < 1){
Dec 19 12:57:58.580 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 12:57:58.580 INFO [stderr]    |
Dec 19 12:57:58.580 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 12:57:58.580 INFO [stderr] 
Dec 19 12:57:58.580 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 19 12:57:58.580 INFO [stderr]   --> src/main.rs:89:6
Dec 19 12:57:58.580 INFO [stderr]    |
Dec 19 12:57:58.580 INFO [stderr] 89 |     use std::io::Cursor;
Dec 19 12:57:58.580 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 19 12:57:58.580 INFO [stderr]    |
Dec 19 12:57:58.580 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 12:57:58.580 INFO [stderr] 
Dec 19 12:57:58.600 INFO [stderr] warning: unused variable: `groups`
Dec 19 12:57:58.600 INFO [stderr]   --> src/main.rs:13:10
Dec 19 12:57:58.600 INFO [stderr]    |
Dec 19 12:57:58.600 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 19 12:57:58.600 INFO [stderr]    |             ^^^^^^ help: consider using `_groups` instead
Dec 19 12:57:58.600 INFO [stderr]    |
Dec 19 12:57:58.600 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:57:58.600 INFO [stderr] 
Dec 19 12:57:58.600 INFO [stderr] warning: unused variable: `root_group`
Dec 19 12:57:58.600 INFO [stderr]   --> src/main.rs:14:10
Dec 19 12:57:58.600 INFO [stderr]    |
Dec 19 12:57:58.600 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 19 12:57:58.600 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_root_group` instead
Dec 19 12:57:58.600 INFO [stderr] 
Dec 19 12:57:58.604 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:57:58.604 INFO [stderr]   --> src/main.rs:10:6
Dec 19 12:57:58.604 INFO [stderr]    |
Dec 19 12:57:58.604 INFO [stderr] 10 |     let mut characters = get_char_array_from_bytes(raw_bytes);
Dec 19 12:57:58.604 INFO [stderr]    |         ----^^^^^^^^^^
Dec 19 12:57:58.604 INFO [stderr]    |         |
Dec 19 12:57:58.604 INFO [stderr]    |         help: remove this `mut`
Dec 19 12:57:58.604 INFO [stderr]    |
Dec 19 12:57:58.604 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:57:58.604 INFO [stderr] 
Dec 19 12:57:58.604 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:57:58.604 INFO [stderr]   --> src/main.rs:13:6
Dec 19 12:57:58.604 INFO [stderr]    |
Dec 19 12:57:58.604 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 19 12:57:58.604 INFO [stderr]    |         ----^^^^^^
Dec 19 12:57:58.604 INFO [stderr]    |         |
Dec 19 12:57:58.604 INFO [stderr]    |         help: remove this `mut`
Dec 19 12:57:58.604 INFO [stderr] 
Dec 19 12:57:58.604 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:57:58.604 INFO [stderr]   --> src/main.rs:14:6
Dec 19 12:57:58.604 INFO [stderr]    |
Dec 19 12:57:58.604 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 19 12:57:58.604 INFO [stderr]    |         ----^^^^^^^^^^
Dec 19 12:57:58.604 INFO [stderr]    |         |
Dec 19 12:57:58.604 INFO [stderr]    |         help: remove this `mut`
Dec 19 12:57:58.604 INFO [stderr] 
Dec 19 12:57:58.612 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:57:58.612 INFO [stderr]   --> src/main.rs:75:5
Dec 19 12:57:58.612 INFO [stderr]    |
Dec 19 12:57:58.612 INFO [stderr] 75 | let mut total : i32 = value_of_children + 1;
Dec 19 12:57:58.612 INFO [stderr]    |     ----^^^^^
Dec 19 12:57:58.612 INFO [stderr]    |     |
Dec 19 12:57:58.612 INFO [stderr]    |     help: remove this `mut`
Dec 19 12:57:58.612 INFO [stderr] 
Dec 19 12:57:58.612 INFO [stderr] warning: crate `RustAdvent` should have a snake case name such as `rust_advent`
Dec 19 12:57:58.612 INFO [stderr]   |
Dec 19 12:57:58.612 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 12:57:58.612 INFO [stderr] 
Dec 19 12:57:58.656 INFO [stderr] warning: unused variable: `groups`
Dec 19 12:57:58.656 INFO [stderr]   --> src/main.rs:13:10
Dec 19 12:57:58.656 INFO [stderr]    |
Dec 19 12:57:58.656 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 19 12:57:58.656 INFO [stderr]    |             ^^^^^^ help: consider using `_groups` instead
Dec 19 12:57:58.656 INFO [stderr]    |
Dec 19 12:57:58.656 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:57:58.656 INFO [stderr] 
Dec 19 12:57:58.656 INFO [stderr] warning: unused variable: `root_group`
Dec 19 12:57:58.656 INFO [stderr]   --> src/main.rs:14:10
Dec 19 12:57:58.656 INFO [stderr]    |
Dec 19 12:57:58.656 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 19 12:57:58.656 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_root_group` instead
Dec 19 12:57:58.657 INFO [stderr] 
Dec 19 12:57:58.657 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:57:58.657 INFO [stderr]   --> src/main.rs:10:6
Dec 19 12:57:58.657 INFO [stderr]    |
Dec 19 12:57:58.657 INFO [stderr] 10 |     let mut characters = get_char_array_from_bytes(raw_bytes);
Dec 19 12:57:58.657 INFO [stderr]    |         ----^^^^^^^^^^
Dec 19 12:57:58.657 INFO [stderr]    |         |
Dec 19 12:57:58.657 INFO [stderr]    |         help: remove this `mut`
Dec 19 12:57:58.657 INFO [stderr]    |
Dec 19 12:57:58.657 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 12:57:58.657 INFO [stderr] 
Dec 19 12:57:58.657 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:57:58.657 INFO [stderr]   --> src/main.rs:13:6
Dec 19 12:57:58.657 INFO [stderr]    |
Dec 19 12:57:58.657 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 19 12:57:58.657 INFO [stderr]    |         ----^^^^^^
Dec 19 12:57:58.657 INFO [stderr]    |         |
Dec 19 12:57:58.657 INFO [stderr]    |         help: remove this `mut`
Dec 19 12:57:58.657 INFO [stderr] 
Dec 19 12:57:58.657 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:57:58.657 INFO [stderr]   --> src/main.rs:14:6
Dec 19 12:57:58.657 INFO [stderr]    |
Dec 19 12:57:58.657 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 19 12:57:58.657 INFO [stderr]    |         ----^^^^^^^^^^
Dec 19 12:57:58.657 INFO [stderr]    |         |
Dec 19 12:57:58.657 INFO [stderr]    |         help: remove this `mut`
Dec 19 12:57:58.657 INFO [stderr] 
Dec 19 12:57:58.657 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:57:58.657 INFO [stderr]   --> src/main.rs:75:5
Dec 19 12:57:58.657 INFO [stderr]    |
Dec 19 12:57:58.657 INFO [stderr] 75 | let mut total : i32 = value_of_children + 1;
Dec 19 12:57:58.657 INFO [stderr]    |     ----^^^^^
Dec 19 12:57:58.657 INFO [stderr]    |     |
Dec 19 12:57:58.657 INFO [stderr]    |     help: remove this `mut`
Dec 19 12:57:58.657 INFO [stderr] 
Dec 19 12:57:58.660 INFO [stderr] warning: crate `RustAdvent` should have a snake case name such as `rust_advent`
Dec 19 12:57:58.660 INFO [stderr]   |
Dec 19 12:57:58.660 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 12:57:58.660 INFO [stderr] 
Dec 19 12:57:58.688 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 19 12:57:59.824 INFO running `"docker" "inspect" "96b51349a74fe1cf1e5d71dc838ea0f1973d68c17455b817e6b90ad311dc279c"`
Dec 19 12:58:00.138 INFO running `"docker" "rm" "-f" "96b51349a74fe1cf1e5d71dc838ea0f1973d68c17455b817e6b90ad311dc279c"`
Dec 19 12:58:00.412 INFO [stdout] 96b51349a74fe1cf1e5d71dc838ea0f1973d68c17455b817e6b90ad311dc279c