Dec 12 02:09:16.192 INFO checking JohnHMoses/rBoy against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 02:09:16.192 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 12 02:09:16.638 INFO [stdout] 42076239837c35eea0ae55ea8f154ff735f77db2e8536eb45ae16d747c62da24
Dec 12 02:09:16.641 INFO running `"docker" "start" "-a" "42076239837c35eea0ae55ea8f154ff735f77db2e8536eb45ae16d747c62da24"`
Dec 12 02:09:17.688 INFO [stderr] usermod: no changes
Dec 12 02:09:17.736 INFO [stderr]     Checking rboy v0.1.0 (/source)
Dec 12 02:09:18.372 INFO [stderr] warning: unused import: `super::ByteAddressable`
Dec 12 02:09:18.372 INFO [stderr]  --> src/memory/tests.rs:1:5
Dec 12 02:09:18.372 INFO [stderr]   |
Dec 12 02:09:18.372 INFO [stderr] 1 | use super::ByteAddressable;
Dec 12 02:09:18.372 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.372 INFO [stderr]   |
Dec 12 02:09:18.372 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:09:18.372 INFO [stderr] 
Dec 12 02:09:18.372 INFO [stderr] warning: unused import: `super::ByteReference`
Dec 12 02:09:18.372 INFO [stderr]  --> src/memory/tests.rs:2:5
Dec 12 02:09:18.372 INFO [stderr]   |
Dec 12 02:09:18.372 INFO [stderr] 2 | use super::ByteReference;
Dec 12 02:09:18.372 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.372 INFO [stderr] 
Dec 12 02:09:18.372 INFO [stderr] warning: unused import: `super::Memory`
Dec 12 02:09:18.372 INFO [stderr]  --> src/memory/tests.rs:3:5
Dec 12 02:09:18.372 INFO [stderr]   |
Dec 12 02:09:18.372 INFO [stderr] 3 | use super::Memory;
Dec 12 02:09:18.372 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 02:09:18.372 INFO [stderr] 
Dec 12 02:09:18.372 INFO [stderr] warning: unused import: `super::WordAddressable`
Dec 12 02:09:18.372 INFO [stderr]  --> src/memory/tests.rs:4:5
Dec 12 02:09:18.372 INFO [stderr]   |
Dec 12 02:09:18.372 INFO [stderr] 4 | use super::WordAddressable;
Dec 12 02:09:18.372 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.372 INFO [stderr] 
Dec 12 02:09:18.372 INFO [stderr] warning: unused import: `super::WordReference`
Dec 12 02:09:18.372 INFO [stderr]  --> src/memory/tests.rs:5:5
Dec 12 02:09:18.372 INFO [stderr]   |
Dec 12 02:09:18.372 INFO [stderr] 5 | use super::WordReference;
Dec 12 02:09:18.372 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.372 INFO [stderr] 
Dec 12 02:09:18.404 INFO [stderr] warning: struct is never constructed: `ByteReference`
Dec 12 02:09:18.404 INFO [stderr]   --> src/memory/mod.rs:16:1
Dec 12 02:09:18.404 INFO [stderr]    |
Dec 12 02:09:18.404 INFO [stderr] 16 | struct ByteReference<'a> {
Dec 12 02:09:18.404 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.404 INFO [stderr]    |
Dec 12 02:09:18.404 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:09:18.404 INFO [stderr] 
Dec 12 02:09:18.404 INFO [stderr] warning: method is never used: `new`
Dec 12 02:09:18.404 INFO [stderr]   --> src/memory/mod.rs:21:5
Dec 12 02:09:18.404 INFO [stderr]    |
Dec 12 02:09:18.404 INFO [stderr] 21 |     fn new(value: &'a mut u8) -> ByteReference<'a> {
Dec 12 02:09:18.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.405 INFO [stderr] 
Dec 12 02:09:18.405 INFO [stderr] warning: struct is never constructed: `WordReference`
Dec 12 02:09:18.405 INFO [stderr]   --> src/memory/mod.rs:36:1
Dec 12 02:09:18.405 INFO [stderr]    |
Dec 12 02:09:18.405 INFO [stderr] 36 | struct WordReference<'a> {
Dec 12 02:09:18.405 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.405 INFO [stderr] 
Dec 12 02:09:18.405 INFO [stderr] warning: method is never used: `new`
Dec 12 02:09:18.405 INFO [stderr]   --> src/memory/mod.rs:42:5
Dec 12 02:09:18.405 INFO [stderr]    |
Dec 12 02:09:18.405 INFO [stderr] 42 |     fn new(lower: Box<ByteAddressable + 'a>, upper: Box<ByteAddressable + 'a>) -> WordReference<'a> {
Dec 12 02:09:18.405 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.405 INFO [stderr] 
Dec 12 02:09:18.405 INFO [stderr] warning: struct is never constructed: `Memory`
Dec 12 02:09:18.405 INFO [stderr]   --> src/memory/mod.rs:68:1
Dec 12 02:09:18.405 INFO [stderr]    |
Dec 12 02:09:18.405 INFO [stderr] 68 | struct Memory {
Dec 12 02:09:18.405 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 12 02:09:18.405 INFO [stderr] 
Dec 12 02:09:18.405 INFO [stderr] warning: method is never used: `new`
Dec 12 02:09:18.405 INFO [stderr]   --> src/memory/mod.rs:73:5
Dec 12 02:09:18.405 INFO [stderr]    |
Dec 12 02:09:18.405 INFO [stderr] 73 |     pub fn new() -> Memory {
Dec 12 02:09:18.405 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.405 INFO [stderr] 
Dec 12 02:09:18.405 INFO [stderr] warning: method is never used: `get_ref`
Dec 12 02:09:18.405 INFO [stderr]   --> src/memory/mod.rs:77:5
Dec 12 02:09:18.405 INFO [stderr]    |
Dec 12 02:09:18.405 INFO [stderr] 77 |     pub fn get_ref(&'a mut self, address: u16) -> WordReference {
Dec 12 02:09:18.405 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.405 INFO [stderr] 
Dec 12 02:09:18.405 INFO [stderr] warning: method is never used: `get_byte_refs`
Dec 12 02:09:18.405 INFO [stderr]   --> src/memory/mod.rs:84:5
Dec 12 02:09:18.405 INFO [stderr]    |
Dec 12 02:09:18.405 INFO [stderr] 84 |     fn get_byte_refs(&'a mut self, address: usize) -> (Box<ByteAddressable + 'a>, Box<ByteAddressable + 'a>) {
Dec 12 02:09:18.405 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.405 INFO [stderr] 
Dec 12 02:09:18.929 INFO [stderr] warning: unused import: `super::ByteAddressable`
Dec 12 02:09:18.929 INFO [stderr]  --> src/memory/tests.rs:1:5
Dec 12 02:09:18.929 INFO [stderr]   |
Dec 12 02:09:18.929 INFO [stderr] 1 | use super::ByteAddressable;
Dec 12 02:09:18.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.929 INFO [stderr]   |
Dec 12 02:09:18.929 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:09:18.929 INFO [stderr] 
Dec 12 02:09:18.929 INFO [stderr] warning: unused import: `super::ByteReference`
Dec 12 02:09:18.929 INFO [stderr]  --> src/memory/tests.rs:2:5
Dec 12 02:09:18.929 INFO [stderr]   |
Dec 12 02:09:18.929 INFO [stderr] 2 | use super::ByteReference;
Dec 12 02:09:18.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.929 INFO [stderr] 
Dec 12 02:09:18.929 INFO [stderr] warning: unused import: `super::Memory`
Dec 12 02:09:18.929 INFO [stderr]  --> src/memory/tests.rs:3:5
Dec 12 02:09:18.929 INFO [stderr]   |
Dec 12 02:09:18.929 INFO [stderr] 3 | use super::Memory;
Dec 12 02:09:18.929 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 02:09:18.929 INFO [stderr] 
Dec 12 02:09:18.929 INFO [stderr] warning: unused import: `super::WordAddressable`
Dec 12 02:09:18.929 INFO [stderr]  --> src/memory/tests.rs:4:5
Dec 12 02:09:18.929 INFO [stderr]   |
Dec 12 02:09:18.929 INFO [stderr] 4 | use super::WordAddressable;
Dec 12 02:09:18.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.929 INFO [stderr] 
Dec 12 02:09:18.929 INFO [stderr] warning: unused import: `super::WordReference`
Dec 12 02:09:18.929 INFO [stderr]  --> src/memory/tests.rs:5:5
Dec 12 02:09:18.929 INFO [stderr]   |
Dec 12 02:09:18.929 INFO [stderr] 5 | use super::WordReference;
Dec 12 02:09:18.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.929 INFO [stderr] 
Dec 12 02:09:18.984 INFO [stderr] warning: struct is never constructed: `ByteReference`
Dec 12 02:09:18.984 INFO [stderr]   --> src/memory/mod.rs:16:1
Dec 12 02:09:18.984 INFO [stderr]    |
Dec 12 02:09:18.984 INFO [stderr] 16 | struct ByteReference<'a> {
Dec 12 02:09:18.984 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.984 INFO [stderr]    |
Dec 12 02:09:18.984 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:09:18.984 INFO [stderr] 
Dec 12 02:09:18.984 INFO [stderr] warning: method is never used: `new`
Dec 12 02:09:18.984 INFO [stderr]   --> src/memory/mod.rs:21:5
Dec 12 02:09:18.984 INFO [stderr]    |
Dec 12 02:09:18.984 INFO [stderr] 21 |     fn new(value: &'a mut u8) -> ByteReference<'a> {
Dec 12 02:09:18.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.984 INFO [stderr] 
Dec 12 02:09:18.984 INFO [stderr] warning: struct is never constructed: `WordReference`
Dec 12 02:09:18.984 INFO [stderr]   --> src/memory/mod.rs:36:1
Dec 12 02:09:18.984 INFO [stderr]    |
Dec 12 02:09:18.984 INFO [stderr] 36 | struct WordReference<'a> {
Dec 12 02:09:18.984 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.984 INFO [stderr] 
Dec 12 02:09:18.984 INFO [stderr] warning: method is never used: `new`
Dec 12 02:09:18.984 INFO [stderr]   --> src/memory/mod.rs:42:5
Dec 12 02:09:18.985 INFO [stderr]    |
Dec 12 02:09:18.985 INFO [stderr] 42 |     fn new(lower: Box<ByteAddressable + 'a>, upper: Box<ByteAddressable + 'a>) -> WordReference<'a> {
Dec 12 02:09:18.985 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.985 INFO [stderr] 
Dec 12 02:09:18.985 INFO [stderr] warning: struct is never constructed: `Memory`
Dec 12 02:09:18.985 INFO [stderr]   --> src/memory/mod.rs:68:1
Dec 12 02:09:18.985 INFO [stderr]    |
Dec 12 02:09:18.985 INFO [stderr] 68 | struct Memory {
Dec 12 02:09:18.985 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 12 02:09:18.985 INFO [stderr] 
Dec 12 02:09:18.985 INFO [stderr] warning: method is never used: `new`
Dec 12 02:09:18.985 INFO [stderr]   --> src/memory/mod.rs:73:5
Dec 12 02:09:18.985 INFO [stderr]    |
Dec 12 02:09:18.985 INFO [stderr] 73 |     pub fn new() -> Memory {
Dec 12 02:09:18.985 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.985 INFO [stderr] 
Dec 12 02:09:18.985 INFO [stderr] warning: method is never used: `get_ref`
Dec 12 02:09:18.985 INFO [stderr]   --> src/memory/mod.rs:77:5
Dec 12 02:09:18.985 INFO [stderr]    |
Dec 12 02:09:18.985 INFO [stderr] 77 |     pub fn get_ref(&'a mut self, address: u16) -> WordReference {
Dec 12 02:09:18.985 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.985 INFO [stderr] 
Dec 12 02:09:18.985 INFO [stderr] warning: method is never used: `get_byte_refs`
Dec 12 02:09:18.985 INFO [stderr]   --> src/memory/mod.rs:84:5
Dec 12 02:09:18.985 INFO [stderr]    |
Dec 12 02:09:18.985 INFO [stderr] 84 |     fn get_byte_refs(&'a mut self, address: usize) -> (Box<ByteAddressable + 'a>, Box<ByteAddressable + 'a>) {
Dec 12 02:09:18.985 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:09:18.985 INFO [stderr] 
Dec 12 02:09:19.218 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Dec 12 02:09:19.220 INFO [stderr] su: No module specific data is present
Dec 12 02:09:19.978 INFO running `"docker" "inspect" "42076239837c35eea0ae55ea8f154ff735f77db2e8536eb45ae16d747c62da24"`
Dec 12 02:09:20.128 INFO running `"docker" "rm" "-f" "42076239837c35eea0ae55ea8f154ff735f77db2e8536eb45ae16d747c62da24"`
Dec 12 02:09:20.286 INFO [stdout] 42076239837c35eea0ae55ea8f154ff735f77db2e8536eb45ae16d747c62da24