[INFO] updating cached repository JohnHMoses/rBoy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JohnHMoses/rBoy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JohnHMoses/rBoy" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/JohnHMoses/rBoy"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/JohnHMoses/rBoy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JohnHMoses/rBoy" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/JohnHMoses/rBoy"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/JohnHMoses/rBoy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 930180c1b77773234c5caf153c9757860758263f
[INFO] sha for GitHub repo JohnHMoses/rBoy: 930180c1b77773234c5caf153c9757860758263f
[INFO] validating manifest of JohnHMoses/rBoy on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JohnHMoses/rBoy on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JohnHMoses/rBoy
[INFO] finished frobbing JohnHMoses/rBoy
[INFO] frobbed toml for JohnHMoses/rBoy written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/JohnHMoses/rBoy/Cargo.toml
[INFO] started frobbing JohnHMoses/rBoy
[INFO] finished frobbing JohnHMoses/rBoy
[INFO] frobbed toml for JohnHMoses/rBoy written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/JohnHMoses/rBoy/Cargo.toml
[INFO] crate JohnHMoses/rBoy has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing JohnHMoses/rBoy against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 3266bb22fb1eb2567b75a079b1cfc9e4341461e72f367add56eff3877ea9f6fe
[INFO] running `"docker" "start" "-a" "3266bb22fb1eb2567b75a079b1cfc9e4341461e72f367add56eff3877ea9f6fe"`
[INFO] [stderr]    Compiling rboy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::ByteAddressable`
[INFO] [stderr]  --> src/memory/tests.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::ByteAddressable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::ByteReference`
[INFO] [stderr]  --> src/memory/tests.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::ByteReference;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Memory`
[INFO] [stderr]  --> src/memory/tests.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::Memory;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::WordAddressable`
[INFO] [stderr]  --> src/memory/tests.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::WordAddressable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::WordReference`
[INFO] [stderr]  --> src/memory/tests.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::WordReference;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ByteReference`
[INFO] [stderr]   --> src/memory/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct ByteReference<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn new(value: &'a mut u8) -> ByteReference<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WordReference`
[INFO] [stderr]   --> src/memory/mod.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct WordReference<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory/mod.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn new(lower: Box<ByteAddressable + 'a>, upper: Box<ByteAddressable + 'a>) -> WordReference<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Memory`
[INFO] [stderr]   --> src/memory/mod.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | struct Memory {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory/mod.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn new() -> Memory {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_ref`
[INFO] [stderr]   --> src/memory/mod.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn get_ref(&'a mut self, address: u16) -> WordReference {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_byte_refs`
[INFO] [stderr]   --> src/memory/mod.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn get_byte_refs(&'a mut self, address: usize) -> (Box<ByteAddressable + 'a>, Box<ByteAddressable + 'a>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::ByteAddressable`
[INFO] [stderr]  --> src/memory/tests.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::ByteAddressable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::ByteReference`
[INFO] [stderr]  --> src/memory/tests.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::ByteReference;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Memory`
[INFO] [stderr]  --> src/memory/tests.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::Memory;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::WordAddressable`
[INFO] [stderr]  --> src/memory/tests.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::WordAddressable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::WordReference`
[INFO] [stderr]  --> src/memory/tests.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::WordReference;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ByteReference`
[INFO] [stderr]   --> src/memory/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct ByteReference<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn new(value: &'a mut u8) -> ByteReference<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WordReference`
[INFO] [stderr]   --> src/memory/mod.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct WordReference<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory/mod.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn new(lower: Box<ByteAddressable + 'a>, upper: Box<ByteAddressable + 'a>) -> WordReference<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Memory`
[INFO] [stderr]   --> src/memory/mod.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | struct Memory {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory/mod.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn new() -> Memory {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_ref`
[INFO] [stderr]   --> src/memory/mod.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn get_ref(&'a mut self, address: u16) -> WordReference {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_byte_refs`
[INFO] [stderr]   --> src/memory/mod.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn get_byte_refs(&'a mut self, address: usize) -> (Box<ByteAddressable + 'a>, Box<ByteAddressable + 'a>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "3266bb22fb1eb2567b75a079b1cfc9e4341461e72f367add56eff3877ea9f6fe"`
[INFO] running `"docker" "rm" "-f" "3266bb22fb1eb2567b75a079b1cfc9e4341461e72f367add56eff3877ea9f6fe"`
[INFO] [stdout] 3266bb22fb1eb2567b75a079b1cfc9e4341461e72f367add56eff3877ea9f6fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 20519418cfe68d83cf6be71f14cbf2cb5fb99159428816982ed242ec6d1b7e4b
[INFO] running `"docker" "start" "-a" "20519418cfe68d83cf6be71f14cbf2cb5fb99159428816982ed242ec6d1b7e4b"`
[INFO] [stderr]    Compiling rboy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "20519418cfe68d83cf6be71f14cbf2cb5fb99159428816982ed242ec6d1b7e4b"`
[INFO] running `"docker" "rm" "-f" "20519418cfe68d83cf6be71f14cbf2cb5fb99159428816982ed242ec6d1b7e4b"`
[INFO] [stdout] 20519418cfe68d83cf6be71f14cbf2cb5fb99159428816982ed242ec6d1b7e4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 943c2a661c63eaa2fb532fd17c2bf9c96afdff761eb1cc98abae2159be486e1e
[INFO] running `"docker" "start" "-a" "943c2a661c63eaa2fb532fd17c2bf9c96afdff761eb1cc98abae2159be486e1e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rboy-68ba77065cbe045f
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test memory::tests::word_reference_can_write_value ... ok
[INFO] [stdout] test memory::tests::byte_reference_can_write_value ... ok
[INFO] [stdout] test memory::tests::byte_reference_can_read_value ... ok
[INFO] [stdout] test tests::hello_world ... ok
[INFO] [stdout] test memory::tests::memory_can_make_read_write_references ... ok
[INFO] [stdout] test memory::tests::word_reference_can_read_value ... ok
[INFO] [stdout] test memory::tests::memory_refs_can_overlap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rboy-3e36d89b8852cb8b
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test memory::tests::word_reference_can_write_value ... ok
[INFO] [stdout] test memory::tests::word_reference_can_read_value ... ok
[INFO] [stdout] test memory::tests::memory_refs_can_overlap ... ok
[INFO] [stdout] test memory::tests::memory_can_make_read_write_references ... ok
[INFO] [stdout] test memory::tests::byte_reference_can_write_value ... ok
[INFO] [stdout] test memory::tests::byte_reference_can_read_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rboy
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "943c2a661c63eaa2fb532fd17c2bf9c96afdff761eb1cc98abae2159be486e1e"`
[INFO] running `"docker" "rm" "-f" "943c2a661c63eaa2fb532fd17c2bf9c96afdff761eb1cc98abae2159be486e1e"`
[INFO] [stdout] 943c2a661c63eaa2fb532fd17c2bf9c96afdff761eb1cc98abae2159be486e1e