Dec 18 07:04:29.647 INFO checking JohnHMoses/rBoy against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:04:29.647 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/JohnHMoses/rBoy:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:04:29.825 INFO [stdout] 3b2d70f54e26cf950ee96f100011b934a9f9e95d757da4425a2c5c635190ee62
Dec 18 07:04:29.827 INFO running `"docker" "start" "-a" "3b2d70f54e26cf950ee96f100011b934a9f9e95d757da4425a2c5c635190ee62"`
Dec 18 07:04:30.444 INFO [stderr]     Checking rboy v0.1.0 (/opt/crater/workdir)
Dec 18 07:04:30.671 INFO [stderr] warning: unused import: `super::ByteAddressable`
Dec 18 07:04:30.671 INFO [stderr]  --> src/memory/tests.rs:1:5
Dec 18 07:04:30.671 INFO [stderr]   |
Dec 18 07:04:30.671 INFO [stderr] 1 | use super::ByteAddressable;
Dec 18 07:04:30.671 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.672 INFO [stderr]   |
Dec 18 07:04:30.672 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:04:30.672 INFO [stderr] 
Dec 18 07:04:30.672 INFO [stderr] warning: unused import: `super::ByteReference`
Dec 18 07:04:30.672 INFO [stderr]  --> src/memory/tests.rs:2:5
Dec 18 07:04:30.672 INFO [stderr]   |
Dec 18 07:04:30.672 INFO [stderr] 2 | use super::ByteReference;
Dec 18 07:04:30.672 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.672 INFO [stderr] 
Dec 18 07:04:30.672 INFO [stderr] warning: unused import: `super::Memory`
Dec 18 07:04:30.672 INFO [stderr]  --> src/memory/tests.rs:3:5
Dec 18 07:04:30.672 INFO [stderr]   |
Dec 18 07:04:30.672 INFO [stderr] 3 | use super::Memory;
Dec 18 07:04:30.672 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 07:04:30.672 INFO [stderr] 
Dec 18 07:04:30.672 INFO [stderr] warning: unused import: `super::WordAddressable`
Dec 18 07:04:30.672 INFO [stderr]  --> src/memory/tests.rs:4:5
Dec 18 07:04:30.672 INFO [stderr]   |
Dec 18 07:04:30.672 INFO [stderr] 4 | use super::WordAddressable;
Dec 18 07:04:30.672 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.672 INFO [stderr] 
Dec 18 07:04:30.676 INFO [stderr] warning: unused import: `super::WordReference`
Dec 18 07:04:30.676 INFO [stderr]  --> src/memory/tests.rs:5:5
Dec 18 07:04:30.676 INFO [stderr]   |
Dec 18 07:04:30.676 INFO [stderr] 5 | use super::WordReference;
Dec 18 07:04:30.676 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.676 INFO [stderr] 
Dec 18 07:04:30.712 INFO [stderr] warning: struct is never constructed: `ByteReference`
Dec 18 07:04:30.712 INFO [stderr]   --> src/memory/mod.rs:16:1
Dec 18 07:04:30.712 INFO [stderr]    |
Dec 18 07:04:30.713 INFO [stderr] 16 | struct ByteReference<'a> {
Dec 18 07:04:30.713 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.713 INFO [stderr]    |
Dec 18 07:04:30.713 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:04:30.713 INFO [stderr] 
Dec 18 07:04:30.713 INFO [stderr] warning: method is never used: `new`
Dec 18 07:04:30.713 INFO [stderr]   --> src/memory/mod.rs:21:5
Dec 18 07:04:30.713 INFO [stderr]    |
Dec 18 07:04:30.713 INFO [stderr] 21 |     fn new(value: &'a mut u8) -> ByteReference<'a> {
Dec 18 07:04:30.713 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.713 INFO [stderr] 
Dec 18 07:04:30.713 INFO [stderr] warning: struct is never constructed: `WordReference`
Dec 18 07:04:30.713 INFO [stderr]   --> src/memory/mod.rs:36:1
Dec 18 07:04:30.713 INFO [stderr]    |
Dec 18 07:04:30.713 INFO [stderr] 36 | struct WordReference<'a> {
Dec 18 07:04:30.713 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.713 INFO [stderr] 
Dec 18 07:04:30.714 INFO [stderr] warning: method is never used: `new`
Dec 18 07:04:30.714 INFO [stderr]   --> src/memory/mod.rs:42:5
Dec 18 07:04:30.714 INFO [stderr]    |
Dec 18 07:04:30.714 INFO [stderr] 42 |     fn new(lower: Box<ByteAddressable + 'a>, upper: Box<ByteAddressable + 'a>) -> WordReference<'a> {
Dec 18 07:04:30.714 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.714 INFO [stderr] 
Dec 18 07:04:30.714 INFO [stderr] warning: struct is never constructed: `Memory`
Dec 18 07:04:30.714 INFO [stderr]   --> src/memory/mod.rs:68:1
Dec 18 07:04:30.714 INFO [stderr]    |
Dec 18 07:04:30.714 INFO [stderr] 68 | struct Memory {
Dec 18 07:04:30.714 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 18 07:04:30.714 INFO [stderr] 
Dec 18 07:04:30.714 INFO [stderr] warning: method is never used: `new`
Dec 18 07:04:30.714 INFO [stderr]   --> src/memory/mod.rs:73:5
Dec 18 07:04:30.714 INFO [stderr]    |
Dec 18 07:04:30.714 INFO [stderr] 73 |     pub fn new() -> Memory {
Dec 18 07:04:30.714 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.714 INFO [stderr] 
Dec 18 07:04:30.714 INFO [stderr] warning: method is never used: `get_ref`
Dec 18 07:04:30.714 INFO [stderr]   --> src/memory/mod.rs:77:5
Dec 18 07:04:30.714 INFO [stderr]    |
Dec 18 07:04:30.714 INFO [stderr] 77 |     pub fn get_ref(&'a mut self, address: u16) -> WordReference {
Dec 18 07:04:30.714 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.716 INFO [stderr] 
Dec 18 07:04:30.716 INFO [stderr] warning: method is never used: `get_byte_refs`
Dec 18 07:04:30.716 INFO [stderr]   --> src/memory/mod.rs:84:5
Dec 18 07:04:30.716 INFO [stderr]    |
Dec 18 07:04:30.716 INFO [stderr] 84 |     fn get_byte_refs(&'a mut self, address: usize) -> (Box<ByteAddressable + 'a>, Box<ByteAddressable + 'a>) {
Dec 18 07:04:30.716 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.716 INFO [stderr] 
Dec 18 07:04:30.936 INFO [stderr] warning: unused import: `super::ByteAddressable`
Dec 18 07:04:30.936 INFO [stderr]  --> src/memory/tests.rs:1:5
Dec 18 07:04:30.936 INFO [stderr]   |
Dec 18 07:04:30.936 INFO [stderr] 1 | use super::ByteAddressable;
Dec 18 07:04:30.936 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.936 INFO [stderr]   |
Dec 18 07:04:30.936 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:04:30.936 INFO [stderr] 
Dec 18 07:04:30.936 INFO [stderr] warning: unused import: `super::ByteReference`
Dec 18 07:04:30.937 INFO [stderr]  --> src/memory/tests.rs:2:5
Dec 18 07:04:30.937 INFO [stderr]   |
Dec 18 07:04:30.937 INFO [stderr] 2 | use super::ByteReference;
Dec 18 07:04:30.937 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.937 INFO [stderr] 
Dec 18 07:04:30.937 INFO [stderr] warning: unused import: `super::Memory`
Dec 18 07:04:30.937 INFO [stderr]  --> src/memory/tests.rs:3:5
Dec 18 07:04:30.937 INFO [stderr]   |
Dec 18 07:04:30.937 INFO [stderr] 3 | use super::Memory;
Dec 18 07:04:30.937 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 07:04:30.937 INFO [stderr] 
Dec 18 07:04:30.937 INFO [stderr] warning: unused import: `super::WordAddressable`
Dec 18 07:04:30.937 INFO [stderr]  --> src/memory/tests.rs:4:5
Dec 18 07:04:30.937 INFO [stderr]   |
Dec 18 07:04:30.937 INFO [stderr] 4 | use super::WordAddressable;
Dec 18 07:04:30.937 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.937 INFO [stderr] 
Dec 18 07:04:30.937 INFO [stderr] warning: unused import: `super::WordReference`
Dec 18 07:04:30.937 INFO [stderr]  --> src/memory/tests.rs:5:5
Dec 18 07:04:30.937 INFO [stderr]   |
Dec 18 07:04:30.937 INFO [stderr] 5 | use super::WordReference;
Dec 18 07:04:30.937 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.937 INFO [stderr] 
Dec 18 07:04:30.976 INFO [stderr] warning: struct is never constructed: `ByteReference`
Dec 18 07:04:30.976 INFO [stderr]   --> src/memory/mod.rs:16:1
Dec 18 07:04:30.976 INFO [stderr]    |
Dec 18 07:04:30.976 INFO [stderr] 16 | struct ByteReference<'a> {
Dec 18 07:04:30.976 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.976 INFO [stderr]    |
Dec 18 07:04:30.976 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:04:30.976 INFO [stderr] 
Dec 18 07:04:30.976 INFO [stderr] warning: method is never used: `new`
Dec 18 07:04:30.976 INFO [stderr]   --> src/memory/mod.rs:21:5
Dec 18 07:04:30.976 INFO [stderr]    |
Dec 18 07:04:30.976 INFO [stderr] 21 |     fn new(value: &'a mut u8) -> ByteReference<'a> {
Dec 18 07:04:30.976 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.976 INFO [stderr] 
Dec 18 07:04:30.976 INFO [stderr] warning: struct is never constructed: `WordReference`
Dec 18 07:04:30.976 INFO [stderr]   --> src/memory/mod.rs:36:1
Dec 18 07:04:30.976 INFO [stderr]    |
Dec 18 07:04:30.976 INFO [stderr] 36 | struct WordReference<'a> {
Dec 18 07:04:30.976 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.976 INFO [stderr] 
Dec 18 07:04:30.976 INFO [stderr] warning: method is never used: `new`
Dec 18 07:04:30.976 INFO [stderr]   --> src/memory/mod.rs:42:5
Dec 18 07:04:30.976 INFO [stderr]    |
Dec 18 07:04:30.976 INFO [stderr] 42 |     fn new(lower: Box<ByteAddressable + 'a>, upper: Box<ByteAddressable + 'a>) -> WordReference<'a> {
Dec 18 07:04:30.976 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.976 INFO [stderr] 
Dec 18 07:04:30.976 INFO [stderr] warning: struct is never constructed: `Memory`
Dec 18 07:04:30.976 INFO [stderr]   --> src/memory/mod.rs:68:1
Dec 18 07:04:30.976 INFO [stderr]    |
Dec 18 07:04:30.976 INFO [stderr] 68 | struct Memory {
Dec 18 07:04:30.976 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 18 07:04:30.976 INFO [stderr] 
Dec 18 07:04:30.976 INFO [stderr] warning: method is never used: `new`
Dec 18 07:04:30.976 INFO [stderr]   --> src/memory/mod.rs:73:5
Dec 18 07:04:30.976 INFO [stderr]    |
Dec 18 07:04:30.976 INFO [stderr] 73 |     pub fn new() -> Memory {
Dec 18 07:04:30.976 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.976 INFO [stderr] 
Dec 18 07:04:30.976 INFO [stderr] warning: method is never used: `get_ref`
Dec 18 07:04:30.976 INFO [stderr]   --> src/memory/mod.rs:77:5
Dec 18 07:04:30.976 INFO [stderr]    |
Dec 18 07:04:30.976 INFO [stderr] 77 |     pub fn get_ref(&'a mut self, address: u16) -> WordReference {
Dec 18 07:04:30.976 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.976 INFO [stderr] 
Dec 18 07:04:30.976 INFO [stderr] warning: method is never used: `get_byte_refs`
Dec 18 07:04:30.976 INFO [stderr]   --> src/memory/mod.rs:84:5
Dec 18 07:04:30.976 INFO [stderr]    |
Dec 18 07:04:30.976 INFO [stderr] 84 |     fn get_byte_refs(&'a mut self, address: usize) -> (Box<ByteAddressable + 'a>, Box<ByteAddressable + 'a>) {
Dec 18 07:04:30.976 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:04:30.976 INFO [stderr] 
Dec 18 07:04:31.071 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 18 07:04:31.403 INFO running `"docker" "inspect" "3b2d70f54e26cf950ee96f100011b934a9f9e95d757da4425a2c5c635190ee62"`
Dec 18 07:04:31.489 INFO running `"docker" "rm" "-f" "3b2d70f54e26cf950ee96f100011b934a9f9e95d757da4425a2c5c635190ee62"`
Dec 18 07:04:31.587 INFO [stdout] 3b2d70f54e26cf950ee96f100011b934a9f9e95d757da4425a2c5c635190ee62