Dec 11 13:58:58.906 INFO checking matthew86707/RustAdvent against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:58:58.906 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 13:58:59.412 INFO [stdout] fc565f28a3a177d756f76fd2031da8d2e6519cd5959de02be51217b490352d81
Dec 11 13:58:59.414 INFO running `"docker" "start" "-a" "fc565f28a3a177d756f76fd2031da8d2e6519cd5959de02be51217b490352d81"`
Dec 11 13:59:01.194 INFO [stderr] usermod: no changes
Dec 11 13:59:01.256 INFO [stderr]     Checking RustAdvent v0.1.0 (/source)
Dec 11 13:59:01.884 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 13:59:01.884 INFO [stderr]   --> src/main.rs:69:4
Dec 11 13:59:01.884 INFO [stderr]    |
Dec 11 13:59:01.884 INFO [stderr] 69 |     if(this_group.inner_groups.len() < 1){
Dec 11 13:59:01.884 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 13:59:01.884 INFO [stderr]    |
Dec 11 13:59:01.884 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 13:59:01.884 INFO [stderr] 
Dec 11 13:59:01.884 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 11 13:59:01.884 INFO [stderr]   --> src/main.rs:89:6
Dec 11 13:59:01.884 INFO [stderr]    |
Dec 11 13:59:01.884 INFO [stderr] 89 |     use std::io::Cursor;
Dec 11 13:59:01.884 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 11 13:59:01.884 INFO [stderr]    |
Dec 11 13:59:01.884 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 13:59:01.884 INFO [stderr] 
Dec 11 13:59:01.899 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 13:59:01.899 INFO [stderr]   --> src/main.rs:69:4
Dec 11 13:59:01.899 INFO [stderr]    |
Dec 11 13:59:01.899 INFO [stderr] 69 |     if(this_group.inner_groups.len() < 1){
Dec 11 13:59:01.899 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 13:59:01.899 INFO [stderr]    |
Dec 11 13:59:01.899 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 13:59:01.899 INFO [stderr] 
Dec 11 13:59:01.899 INFO [stderr] warning: unused import: `std::io::Cursor`
Dec 11 13:59:01.899 INFO [stderr]   --> src/main.rs:89:6
Dec 11 13:59:01.899 INFO [stderr]    |
Dec 11 13:59:01.899 INFO [stderr] 89 |     use std::io::Cursor;
Dec 11 13:59:01.899 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 11 13:59:01.899 INFO [stderr]    |
Dec 11 13:59:01.899 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 13:59:01.899 INFO [stderr] 
Dec 11 13:59:01.972 INFO [stderr] warning: unused variable: `groups`
Dec 11 13:59:01.972 INFO [stderr]   --> src/main.rs:13:10
Dec 11 13:59:01.972 INFO [stderr]    |
Dec 11 13:59:01.972 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 11 13:59:01.972 INFO [stderr]    |             ^^^^^^ help: consider using `_groups` instead
Dec 11 13:59:01.972 INFO [stderr]    |
Dec 11 13:59:01.972 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 13:59:01.972 INFO [stderr] 
Dec 11 13:59:01.972 INFO [stderr] warning: unused variable: `root_group`
Dec 11 13:59:01.972 INFO [stderr]   --> src/main.rs:14:10
Dec 11 13:59:01.972 INFO [stderr]    |
Dec 11 13:59:01.972 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 11 13:59:01.972 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_root_group` instead
Dec 11 13:59:01.972 INFO [stderr] 
Dec 11 13:59:01.988 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:59:01.989 INFO [stderr]   --> src/main.rs:10:6
Dec 11 13:59:01.989 INFO [stderr]    |
Dec 11 13:59:01.989 INFO [stderr] 10 |     let mut characters = get_char_array_from_bytes(raw_bytes);
Dec 11 13:59:01.989 INFO [stderr]    |         ----^^^^^^^^^^
Dec 11 13:59:01.989 INFO [stderr]    |         |
Dec 11 13:59:01.989 INFO [stderr]    |         help: remove this `mut`
Dec 11 13:59:01.989 INFO [stderr]    |
Dec 11 13:59:01.989 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 13:59:01.989 INFO [stderr] 
Dec 11 13:59:01.989 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:59:01.989 INFO [stderr]   --> src/main.rs:13:6
Dec 11 13:59:01.989 INFO [stderr]    |
Dec 11 13:59:01.989 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 11 13:59:01.989 INFO [stderr]    |         ----^^^^^^
Dec 11 13:59:01.990 INFO [stderr]    |         |
Dec 11 13:59:01.990 INFO [stderr]    |         help: remove this `mut`
Dec 11 13:59:01.990 INFO [stderr] 
Dec 11 13:59:01.990 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:59:01.990 INFO [stderr]   --> src/main.rs:14:6
Dec 11 13:59:01.990 INFO [stderr]    |
Dec 11 13:59:01.990 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 11 13:59:01.991 INFO [stderr]    |         ----^^^^^^^^^^
Dec 11 13:59:01.991 INFO [stderr]    |         |
Dec 11 13:59:01.991 INFO [stderr]    |         help: remove this `mut`
Dec 11 13:59:01.991 INFO [stderr] 
Dec 11 13:59:01.995 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:59:01.995 INFO [stderr]   --> src/main.rs:75:5
Dec 11 13:59:01.996 INFO [stderr]    |
Dec 11 13:59:01.996 INFO [stderr] 75 | let mut total : i32 = value_of_children + 1;
Dec 11 13:59:01.996 INFO [stderr]    |     ----^^^^^
Dec 11 13:59:01.996 INFO [stderr]    |     |
Dec 11 13:59:01.996 INFO [stderr]    |     help: remove this `mut`
Dec 11 13:59:01.996 INFO [stderr] 
Dec 11 13:59:02.000 INFO [stderr] warning: crate `RustAdvent` should have a snake case name such as `rust_advent`
Dec 11 13:59:02.000 INFO [stderr]   |
Dec 11 13:59:02.001 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 13:59:02.001 INFO [stderr] 
Dec 11 13:59:02.020 INFO [stderr] warning: unused variable: `groups`
Dec 11 13:59:02.021 INFO [stderr]   --> src/main.rs:13:10
Dec 11 13:59:02.021 INFO [stderr]    |
Dec 11 13:59:02.021 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 11 13:59:02.021 INFO [stderr]    |             ^^^^^^ help: consider using `_groups` instead
Dec 11 13:59:02.022 INFO [stderr]    |
Dec 11 13:59:02.022 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 13:59:02.022 INFO [stderr] 
Dec 11 13:59:02.022 INFO [stderr] warning: unused variable: `root_group`
Dec 11 13:59:02.022 INFO [stderr]   --> src/main.rs:14:10
Dec 11 13:59:02.022 INFO [stderr]    |
Dec 11 13:59:02.022 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 11 13:59:02.022 INFO [stderr]    |             ^^^^^^^^^^ help: consider using `_root_group` instead
Dec 11 13:59:02.022 INFO [stderr] 
Dec 11 13:59:02.040 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:59:02.041 INFO [stderr]   --> src/main.rs:10:6
Dec 11 13:59:02.041 INFO [stderr]    |
Dec 11 13:59:02.041 INFO [stderr] 10 |     let mut characters = get_char_array_from_bytes(raw_bytes);
Dec 11 13:59:02.041 INFO [stderr]    |         ----^^^^^^^^^^
Dec 11 13:59:02.041 INFO [stderr]    |         |
Dec 11 13:59:02.041 INFO [stderr]    |         help: remove this `mut`
Dec 11 13:59:02.041 INFO [stderr]    |
Dec 11 13:59:02.041 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 13:59:02.041 INFO [stderr] 
Dec 11 13:59:02.041 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:59:02.041 INFO [stderr]   --> src/main.rs:13:6
Dec 11 13:59:02.041 INFO [stderr]    |
Dec 11 13:59:02.041 INFO [stderr] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
Dec 11 13:59:02.041 INFO [stderr]    |         ----^^^^^^
Dec 11 13:59:02.041 INFO [stderr]    |         |
Dec 11 13:59:02.041 INFO [stderr]    |         help: remove this `mut`
Dec 11 13:59:02.041 INFO [stderr] 
Dec 11 13:59:02.041 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:59:02.041 INFO [stderr]   --> src/main.rs:14:6
Dec 11 13:59:02.041 INFO [stderr]    |
Dec 11 13:59:02.041 INFO [stderr] 14 |     let mut root_group : Group = Group {
Dec 11 13:59:02.041 INFO [stderr]    |         ----^^^^^^^^^^
Dec 11 13:59:02.041 INFO [stderr]    |         |
Dec 11 13:59:02.041 INFO [stderr]    |         help: remove this `mut`
Dec 11 13:59:02.041 INFO [stderr] 
Dec 11 13:59:02.048 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:59:02.048 INFO [stderr]   --> src/main.rs:75:5
Dec 11 13:59:02.049 INFO [stderr]    |
Dec 11 13:59:02.049 INFO [stderr] 75 | let mut total : i32 = value_of_children + 1;
Dec 11 13:59:02.049 INFO [stderr]    |     ----^^^^^
Dec 11 13:59:02.049 INFO [stderr]    |     |
Dec 11 13:59:02.049 INFO [stderr]    |     help: remove this `mut`
Dec 11 13:59:02.049 INFO [stderr] 
Dec 11 13:59:02.049 INFO [stderr] warning: crate `RustAdvent` should have a snake case name such as `rust_advent`
Dec 11 13:59:02.049 INFO [stderr]   |
Dec 11 13:59:02.049 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 13:59:02.049 INFO [stderr] 
Dec 11 13:59:02.078 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 11 13:59:02.085 INFO [stderr] su: No module specific data is present
Dec 11 13:59:02.931 INFO running `"docker" "inspect" "fc565f28a3a177d756f76fd2031da8d2e6519cd5959de02be51217b490352d81"`
Dec 11 13:59:03.234 INFO running `"docker" "rm" "-f" "fc565f28a3a177d756f76fd2031da8d2e6519cd5959de02be51217b490352d81"`
Dec 11 13:59:03.572 INFO [stdout] fc565f28a3a177d756f76fd2031da8d2e6519cd5959de02be51217b490352d81