Dec 17 19:58:20.916 INFO checking matthew86707/RustAdvent against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:58:20.916 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:58:21.404 INFO [stdout] d1248f779a83f01fe40109cb335a2b08b838c7b1db765b54956f657fe9f84435
Dec 17 19:58:21.405 INFO running `"docker" "start" "-a" "d1248f779a83f01fe40109cb335a2b08b838c7b1db765b54956f657fe9f84435"`
Dec 17 19:58:23.673 INFO [stderr]     Checking RustAdvent v0.1.0 (/opt/crater/workdir)
Dec 17 19:58:23.976 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 19:58:23.976 INFO [stderr]   --> src/main.rs:69:4
Dec 17 19:58:23.976 INFO [stderr]    |
Dec 17 19:58:23.976 INFO [stderr] 69 |     if(this_group.inner_groups.len() < 1){
Dec 17 19:58:23.976 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 19:58:23.976 INFO [stderr]    |
Dec 17 19:58:23.976 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 19:58:23.976 INFO [stderr] 
Dec 17 19:58:23.976 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 17 19:58:23.976 INFO [stderr]   --> src/main.rs:89:6
Dec 17 19:58:23.976 INFO [stderr]    |
Dec 17 19:58:23.976 INFO [stderr] 89 |     use std::io::Cursor;
Dec 17 19:58:23.976 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 17 19:58:23.976 INFO [stderr]    |
Dec 17 19:58:23.976 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 19:58:23.976 INFO [stderr] 
Dec 17 19:58:23.992 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 17 19:58:23.992 INFO [stderr]   --> src/main.rs:69:4
Dec 17 19:58:23.992 INFO [stderr]    |
Dec 17 19:58:23.992 INFO [stderr] 69 |     if(this_group.inner_groups.len() < 1){
Dec 17 19:58:23.992 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 17 19:58:23.992 INFO [stderr]    |
Dec 17 19:58:23.992 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 19:58:23.992 INFO [stderr] 
Dec 17 19:58:23.996 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 17 19:58:23.996 INFO [stderr]   --> src/main.rs:89:6
Dec 17 19:58:23.996 INFO [stderr]    |
Dec 17 19:58:23.996 INFO [stderr] 89 |     use std::io::Cursor;
Dec 17 19:58:23.996 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 17 19:58:23.996 INFO [stderr]    |
Dec 17 19:58:23.996 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 19:58:23.996 INFO [stderr] 
Dec 17 19:58:24.040 INFO [stderr] warning: unused variable: `groups`
Dec 17 19:58:24.040 INFO [stderr]   --> src/main.rs:13:10
Dec 17 19:58:24.040 INFO [stderr]    |
Dec 17 19:58:24.040 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 17 19:58:24.040 INFO [stderr]    |             ^^^^^^ help: consider using `_groups` instead
Dec 17 19:58:24.040 INFO [stderr]    |
Dec 17 19:58:24.040 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:58:24.040 INFO [stderr] 
Dec 17 19:58:24.040 INFO [stderr] warning: unused variable: `root_group`
Dec 17 19:58:24.041 INFO [stderr]   --> src/main.rs:14:10
Dec 17 19:58:24.041 INFO [stderr]    |
Dec 17 19:58:24.041 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 17 19:58:24.041 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_root_group` instead
Dec 17 19:58:24.041 INFO [stderr] 
Dec 17 19:58:24.041 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:58:24.041 INFO [stderr]   --> src/main.rs:10:6
Dec 17 19:58:24.041 INFO [stderr]    |
Dec 17 19:58:24.041 INFO [stderr] 10 |     let mut characters = get_char_array_from_bytes(raw_bytes);
Dec 17 19:58:24.041 INFO [stderr]    |         ----^^^^^^^^^^
Dec 17 19:58:24.041 INFO [stderr]    |         |
Dec 17 19:58:24.041 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:58:24.041 INFO [stderr]    |
Dec 17 19:58:24.041 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:58:24.041 INFO [stderr] 
Dec 17 19:58:24.041 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:58:24.041 INFO [stderr]   --> src/main.rs:13:6
Dec 17 19:58:24.041 INFO [stderr]    |
Dec 17 19:58:24.041 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 17 19:58:24.041 INFO [stderr]    |         ----^^^^^^
Dec 17 19:58:24.041 INFO [stderr]    |         |
Dec 17 19:58:24.041 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:58:24.041 INFO [stderr] 
Dec 17 19:58:24.041 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:58:24.041 INFO [stderr]   --> src/main.rs:14:6
Dec 17 19:58:24.041 INFO [stderr]    |
Dec 17 19:58:24.041 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 17 19:58:24.041 INFO [stderr]    |         ----^^^^^^^^^^
Dec 17 19:58:24.041 INFO [stderr]    |         |
Dec 17 19:58:24.041 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:58:24.041 INFO [stderr] 
Dec 17 19:58:24.044 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:58:24.044 INFO [stderr]   --> src/main.rs:75:5
Dec 17 19:58:24.044 INFO [stderr]    |
Dec 17 19:58:24.044 INFO [stderr] 75 | let mut total : i32 = value_of_children + 1;
Dec 17 19:58:24.044 INFO [stderr]    |     ----^^^^^
Dec 17 19:58:24.044 INFO [stderr]    |     |
Dec 17 19:58:24.044 INFO [stderr]    |     help: remove this `mut`
Dec 17 19:58:24.044 INFO [stderr] 
Dec 17 19:58:24.059 INFO [stderr] warning: crate `RustAdvent` should have a snake case name such as `rust_advent`
Dec 17 19:58:24.059 INFO [stderr]   |
Dec 17 19:58:24.059 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 17 19:58:24.059 INFO [stderr] 
Dec 17 19:58:24.084 INFO [stderr] warning: unused variable: `groups`
Dec 17 19:58:24.084 INFO [stderr]   --> src/main.rs:13:10
Dec 17 19:58:24.084 INFO [stderr]    |
Dec 17 19:58:24.084 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 17 19:58:24.084 INFO [stderr]    |             ^^^^^^ help: consider using `_groups` instead
Dec 17 19:58:24.084 INFO [stderr]    |
Dec 17 19:58:24.084 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:58:24.084 INFO [stderr] 
Dec 17 19:58:24.084 INFO [stderr] warning: unused variable: `root_group`
Dec 17 19:58:24.084 INFO [stderr]   --> src/main.rs:14:10
Dec 17 19:58:24.084 INFO [stderr]    |
Dec 17 19:58:24.084 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 17 19:58:24.084 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_root_group` instead
Dec 17 19:58:24.084 INFO [stderr] 
Dec 17 19:58:24.095 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:58:24.095 INFO [stderr]   --> src/main.rs:10:6
Dec 17 19:58:24.095 INFO [stderr]    |
Dec 17 19:58:24.095 INFO [stderr] 10 |     let mut characters = get_char_array_from_bytes(raw_bytes);
Dec 17 19:58:24.095 INFO [stderr]    |         ----^^^^^^^^^^
Dec 17 19:58:24.095 INFO [stderr]    |         |
Dec 17 19:58:24.095 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:58:24.095 INFO [stderr]    |
Dec 17 19:58:24.095 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:58:24.095 INFO [stderr] 
Dec 17 19:58:24.095 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:58:24.095 INFO [stderr]   --> src/main.rs:13:6
Dec 17 19:58:24.095 INFO [stderr]    |
Dec 17 19:58:24.095 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 17 19:58:24.095 INFO [stderr]    |         ----^^^^^^
Dec 17 19:58:24.095 INFO [stderr]    |         |
Dec 17 19:58:24.095 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:58:24.095 INFO [stderr] 
Dec 17 19:58:24.095 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:58:24.095 INFO [stderr]   --> src/main.rs:14:6
Dec 17 19:58:24.095 INFO [stderr]    |
Dec 17 19:58:24.095 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 17 19:58:24.095 INFO [stderr]    |         ----^^^^^^^^^^
Dec 17 19:58:24.095 INFO [stderr]    |         |
Dec 17 19:58:24.095 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:58:24.095 INFO [stderr] 
Dec 17 19:58:24.100 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:58:24.100 INFO [stderr]   --> src/main.rs:75:5
Dec 17 19:58:24.100 INFO [stderr]    |
Dec 17 19:58:24.100 INFO [stderr] 75 | let mut total : i32 = value_of_children + 1;
Dec 17 19:58:24.100 INFO [stderr]    |     ----^^^^^
Dec 17 19:58:24.100 INFO [stderr]    |     |
Dec 17 19:58:24.100 INFO [stderr]    |     help: remove this `mut`
Dec 17 19:58:24.100 INFO [stderr] 
Dec 17 19:58:24.120 INFO [stderr] warning: crate `RustAdvent` should have a snake case name such as `rust_advent`
Dec 17 19:58:24.120 INFO [stderr]   |
Dec 17 19:58:24.120 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 17 19:58:24.120 INFO [stderr] 
Dec 17 19:58:24.167 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 17 19:58:25.444 INFO running `"docker" "inspect" "d1248f779a83f01fe40109cb335a2b08b838c7b1db765b54956f657fe9f84435"`
Dec 17 19:58:25.762 INFO running `"docker" "rm" "-f" "d1248f779a83f01fe40109cb335a2b08b838c7b1db765b54956f657fe9f84435"`
Dec 17 19:58:26.124 INFO [stdout] d1248f779a83f01fe40109cb335a2b08b838c7b1db765b54956f657fe9f84435