Dec 11 16:13:16.769 INFO checking joelpedraza/aoc2018 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:13:16.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 16:13:17.178 INFO [stdout] 2ee0d72bf4241924c55e80363043393ef87227fd45b352f771e3b8aba61b02a5
Dec 11 16:13:17.186 INFO running `"docker" "start" "-a" "2ee0d72bf4241924c55e80363043393ef87227fd45b352f771e3b8aba61b02a5"`
Dec 11 16:13:18.504 INFO [stderr] usermod: no changes
Dec 11 16:13:18.616 INFO [stderr]     Checking bit-set v0.5.0
Dec 11 16:13:19.176 INFO [stderr]     Checking aoc2018 v0.1.0 (/source)
Dec 11 16:13:19.807 INFO [stderr] warning: unused import: `std::iter::once`
Dec 11 16:13:19.807 INFO [stderr]   --> src/problem01/solution.rs:22:9
Dec 11 16:13:19.807 INFO [stderr]    |
Dec 11 16:13:19.807 INFO [stderr] 22 |     use std::iter::once;
Dec 11 16:13:19.807 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 11 16:13:19.807 INFO [stderr]    |
Dec 11 16:13:19.807 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 16:13:19.807 INFO [stderr] 
Dec 11 16:13:20.012 INFO [stderr] warning: unused import: `std::iter::once`
Dec 11 16:13:20.012 INFO [stderr]   --> src/problem01/solution.rs:22:9
Dec 11 16:13:20.013 INFO [stderr]    |
Dec 11 16:13:20.013 INFO [stderr] 22 |     use std::iter::once;
Dec 11 16:13:20.013 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 11 16:13:20.013 INFO [stderr]    |
Dec 11 16:13:20.013 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 16:13:20.013 INFO [stderr] 
Dec 11 16:13:20.231 INFO [stderr] warning: private type `bitvec::BitVec32Iter` in public interface (error E0446)
Dec 11 16:13:20.231 INFO [stderr]   --> src/bitvec.rs:34:5
Dec 11 16:13:20.231 INFO [stderr]    |
Dec 11 16:13:20.231 INFO [stderr] 34 | /     pub fn iter(&self) -> BitVec32Iter {
Dec 11 16:13:20.231 INFO [stderr] 35 | |         BitVec32Iter(self.clone())
Dec 11 16:13:20.231 INFO [stderr] 36 | |     }
Dec 11 16:13:20.231 INFO [stderr]    | |_____^
Dec 11 16:13:20.232 INFO [stderr]    |
Dec 11 16:13:20.232 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Dec 11 16:13:20.232 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 11 16:13:20.233 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 11 16:13:20.233 INFO [stderr] 
Dec 11 16:13:20.268 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:13:20.268 INFO [stderr]    --> src/trie.rs:264:19
Dec 11 16:13:20.268 INFO [stderr]     |
Dec 11 16:13:20.268 INFO [stderr] 264 |             .map(|mut node| {
Dec 11 16:13:20.268 INFO [stderr]     |                   ----^^^^
Dec 11 16:13:20.269 INFO [stderr]     |                   |
Dec 11 16:13:20.269 INFO [stderr]     |                   help: remove this `mut`
Dec 11 16:13:20.269 INFO [stderr]     |
Dec 11 16:13:20.269 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 16:13:20.269 INFO [stderr] 
Dec 11 16:13:20.412 INFO [stderr] warning: associated const is never used: `NO_SET_BITS`
Dec 11 16:13:20.412 INFO [stderr]  --> src/bitvec.rs:8:5
Dec 11 16:13:20.412 INFO [stderr]   |
Dec 11 16:13:20.412 INFO [stderr] 8 |     pub const NO_SET_BITS: usize = 32;
Dec 11 16:13:20.412 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.412 INFO [stderr]   |
Dec 11 16:13:20.413 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:13:20.413 INFO [stderr] 
Dec 11 16:13:20.413 INFO [stderr] warning: associated const is never used: `ALL`
Dec 11 16:13:20.413 INFO [stderr]  --> src/bitvec.rs:9:5
Dec 11 16:13:20.413 INFO [stderr]   |
Dec 11 16:13:20.413 INFO [stderr] 9 |     pub const ALL: BitVec32 = BitVec32(u32::max_value());
Dec 11 16:13:20.413 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.413 INFO [stderr] 
Dec 11 16:13:20.414 INFO [stderr] warning: method is never used: `len`
Dec 11 16:13:20.414 INFO [stderr]   --> src/bitvec.rs:30:5
Dec 11 16:13:20.414 INFO [stderr]    |
Dec 11 16:13:20.414 INFO [stderr] 30 |     pub fn len(&self) -> usize {
Dec 11 16:13:20.414 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.414 INFO [stderr] 
Dec 11 16:13:20.420 INFO [stderr] warning: method is never used: `iter`
Dec 11 16:13:20.420 INFO [stderr]   --> src/bitvec.rs:34:5
Dec 11 16:13:20.420 INFO [stderr]    |
Dec 11 16:13:20.420 INFO [stderr] 34 |     pub fn iter(&self) -> BitVec32Iter {
Dec 11 16:13:20.420 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.420 INFO [stderr] 
Dec 11 16:13:20.421 INFO [stderr] warning: method is never used: `last`
Dec 11 16:13:20.421 INFO [stderr]   --> src/bitvec.rs:44:5
Dec 11 16:13:20.421 INFO [stderr]    |
Dec 11 16:13:20.421 INFO [stderr] 44 |     pub fn last(&self) -> usize {
Dec 11 16:13:20.421 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.421 INFO [stderr] 
Dec 11 16:13:20.421 INFO [stderr] warning: struct is never constructed: `BitVec32Iter`
Dec 11 16:13:20.421 INFO [stderr]   --> src/bitvec.rs:63:1
Dec 11 16:13:20.421 INFO [stderr]    |
Dec 11 16:13:20.422 INFO [stderr] 63 | struct BitVec32Iter(BitVec32);
Dec 11 16:13:20.422 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.422 INFO [stderr] 
Dec 11 16:13:20.422 INFO [stderr] warning: method is never used: `len`
Dec 11 16:13:20.422 INFO [stderr]   --> src/trie.rs:35:5
Dec 11 16:13:20.422 INFO [stderr]    |
Dec 11 16:13:20.422 INFO [stderr] 35 |     pub fn len(&self) -> usize {
Dec 11 16:13:20.422 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.422 INFO [stderr] 
Dec 11 16:13:20.422 INFO [stderr] warning: method is never used: `insert`
Dec 11 16:13:20.422 INFO [stderr]   --> src/trie.rs:43:5
Dec 11 16:13:20.423 INFO [stderr]    |
Dec 11 16:13:20.423 INFO [stderr] 43 |     pub fn insert(&mut self, s: &str) -> bool {
Dec 11 16:13:20.423 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.423 INFO [stderr] 
Dec 11 16:13:20.423 INFO [stderr] warning: method is never used: `contains`
Dec 11 16:13:20.423 INFO [stderr]   --> src/trie.rs:57:5
Dec 11 16:13:20.423 INFO [stderr]    |
Dec 11 16:13:20.423 INFO [stderr] 57 |     pub fn contains(&mut self, s: &str) -> bool {
Dec 11 16:13:20.423 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.423 INFO [stderr] 
Dec 11 16:13:20.423 INFO [stderr] warning: function is never used: `find_boxes_with_single_transpose_bruteforce`
Dec 11 16:13:20.424 INFO [stderr]   --> src/problem02/solution.rs:45:1
Dec 11 16:13:20.424 INFO [stderr]    |
Dec 11 16:13:20.424 INFO [stderr] 45 | pub fn find_boxes_with_single_transpose_bruteforce(input: &str) -> String {
Dec 11 16:13:20.424 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.424 INFO [stderr] 
Dec 11 16:13:20.424 INFO [stderr] warning: function is never used: `has_single_transpose`
Dec 11 16:13:20.424 INFO [stderr]   --> src/problem02/solution.rs:97:1
Dec 11 16:13:20.424 INFO [stderr]    |
Dec 11 16:13:20.424 INFO [stderr] 97 | fn has_single_transpose(word1: &str, word2: &str) -> bool {
Dec 11 16:13:20.424 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.424 INFO [stderr] 
Dec 11 16:13:20.425 INFO [stderr] warning: method is never used: `new`
Dec 11 16:13:20.425 INFO [stderr]    --> src/problem06/solution.rs:100:5
Dec 11 16:13:20.425 INFO [stderr]     |
Dec 11 16:13:20.425 INFO [stderr] 100 |     fn new(x: u16, y: u16) -> Point {
Dec 11 16:13:20.425 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.425 INFO [stderr] 
Dec 11 16:13:20.425 INFO [stderr] warning: method is never used: `new`
Dec 11 16:13:20.425 INFO [stderr]    --> src/problem06/solution.rs:123:5
Dec 11 16:13:20.425 INFO [stderr]     |
Dec 11 16:13:20.425 INFO [stderr] 123 |     fn new() -> Rect {
Dec 11 16:13:20.425 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 11 16:13:20.425 INFO [stderr] 
Dec 11 16:13:20.426 INFO [stderr] warning: method is never used: `from_point`
Dec 11 16:13:20.426 INFO [stderr]    --> src/problem06/solution.rs:140:5
Dec 11 16:13:20.426 INFO [stderr]     |
Dec 11 16:13:20.426 INFO [stderr] 140 |     fn from_point(point: &Point) -> Rect {
Dec 11 16:13:20.426 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.426 INFO [stderr] 
Dec 11 16:13:20.709 INFO [stderr] warning: private type `bitvec::BitVec32Iter` in public interface (error E0446)
Dec 11 16:13:20.709 INFO [stderr]   --> src/bitvec.rs:34:5
Dec 11 16:13:20.710 INFO [stderr]    |
Dec 11 16:13:20.710 INFO [stderr] 34 | /     pub fn iter(&self) -> BitVec32Iter {
Dec 11 16:13:20.710 INFO [stderr] 35 | |         BitVec32Iter(self.clone())
Dec 11 16:13:20.710 INFO [stderr] 36 | |     }
Dec 11 16:13:20.710 INFO [stderr]    | |_____^
Dec 11 16:13:20.710 INFO [stderr]    |
Dec 11 16:13:20.710 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Dec 11 16:13:20.710 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 11 16:13:20.710 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 11 16:13:20.710 INFO [stderr] 
Dec 11 16:13:20.753 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:13:20.753 INFO [stderr]    --> src/trie.rs:264:19
Dec 11 16:13:20.753 INFO [stderr]     |
Dec 11 16:13:20.753 INFO [stderr] 264 |             .map(|mut node| {
Dec 11 16:13:20.753 INFO [stderr]     |                   ----^^^^
Dec 11 16:13:20.753 INFO [stderr]     |                   |
Dec 11 16:13:20.753 INFO [stderr]     |                   help: remove this `mut`
Dec 11 16:13:20.753 INFO [stderr]     |
Dec 11 16:13:20.753 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 16:13:20.753 INFO [stderr] 
Dec 11 16:13:20.875 INFO [stderr] warning: associated const is never used: `NO_SET_BITS`
Dec 11 16:13:20.875 INFO [stderr]  --> src/bitvec.rs:8:5
Dec 11 16:13:20.875 INFO [stderr]   |
Dec 11 16:13:20.875 INFO [stderr] 8 |     pub const NO_SET_BITS: usize = 32;
Dec 11 16:13:20.875 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.875 INFO [stderr]   |
Dec 11 16:13:20.875 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:13:20.875 INFO [stderr] 
Dec 11 16:13:20.875 INFO [stderr] warning: method is never used: `last`
Dec 11 16:13:20.875 INFO [stderr]   --> src/bitvec.rs:44:5
Dec 11 16:13:20.875 INFO [stderr]    |
Dec 11 16:13:20.875 INFO [stderr] 44 |     pub fn last(&self) -> usize {
Dec 11 16:13:20.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.875 INFO [stderr] 
Dec 11 16:13:20.875 INFO [stderr] warning: method is never used: `new`
Dec 11 16:13:20.875 INFO [stderr]    --> src/problem06/solution.rs:100:5
Dec 11 16:13:20.875 INFO [stderr]     |
Dec 11 16:13:20.875 INFO [stderr] 100 |     fn new(x: u16, y: u16) -> Point {
Dec 11 16:13:20.875 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.875 INFO [stderr] 
Dec 11 16:13:20.876 INFO [stderr] warning: method is never used: `new`
Dec 11 16:13:20.876 INFO [stderr]    --> src/problem06/solution.rs:123:5
Dec 11 16:13:20.876 INFO [stderr]     |
Dec 11 16:13:20.876 INFO [stderr] 123 |     fn new() -> Rect {
Dec 11 16:13:20.876 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 11 16:13:20.876 INFO [stderr] 
Dec 11 16:13:20.876 INFO [stderr] warning: method is never used: `from_point`
Dec 11 16:13:20.876 INFO [stderr]    --> src/problem06/solution.rs:140:5
Dec 11 16:13:20.876 INFO [stderr]     |
Dec 11 16:13:20.876 INFO [stderr] 140 |     fn from_point(point: &Point) -> Rect {
Dec 11 16:13:20.876 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:13:20.876 INFO [stderr] 
Dec 11 16:13:20.956 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
Dec 11 16:13:20.959 INFO [stderr] su: No module specific data is present
Dec 11 16:13:21.920 INFO running `"docker" "inspect" "2ee0d72bf4241924c55e80363043393ef87227fd45b352f771e3b8aba61b02a5"`
Dec 11 16:13:22.206 INFO running `"docker" "rm" "-f" "2ee0d72bf4241924c55e80363043393ef87227fd45b352f771e3b8aba61b02a5"`
Dec 11 16:13:22.520 INFO [stdout] 2ee0d72bf4241924c55e80363043393ef87227fd45b352f771e3b8aba61b02a5