[INFO] updating cached repository Darksecond/gbm-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Darksecond/gbm-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Darksecond/gbm-rust" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Darksecond/gbm-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Darksecond/gbm-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Darksecond/gbm-rust" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Darksecond/gbm-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Darksecond/gbm-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b83b0baa79ed6dcaf23eceab005b1ca4b09e6cf
[INFO] sha for GitHub repo Darksecond/gbm-rust: 9b83b0baa79ed6dcaf23eceab005b1ca4b09e6cf
[INFO] validating manifest of Darksecond/gbm-rust on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Darksecond/gbm-rust on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Darksecond/gbm-rust
[INFO] finished frobbing Darksecond/gbm-rust
[INFO] frobbed toml for Darksecond/gbm-rust written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Darksecond/gbm-rust/Cargo.toml
[INFO] started frobbing Darksecond/gbm-rust
[INFO] finished frobbing Darksecond/gbm-rust
[INFO] frobbed toml for Darksecond/gbm-rust written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Darksecond/gbm-rust/Cargo.toml
[INFO] crate Darksecond/gbm-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Darksecond/gbm-rust against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Darksecond/gbm-rust:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2ce1b77e0ca6106fd7b53239fd581a4cc55dbab47f85524ea71e84cc27a6205c
[INFO] running `"docker" "start" "-a" "2ce1b77e0ca6106fd7b53239fd581a4cc55dbab47f85524ea71e84cc27a6205c"`
[INFO] [stderr]     Checking gbm-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/cartridge.rs:44:72
[INFO] [stderr]    |
[INFO] [stderr] 44 |         str::from_utf8(slice).map_err(|_| { "".to_string() }).unwrap().trim_right_matches('\0').to_string()
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/cartridge.rs:44:72
[INFO] [stderr]    |
[INFO] [stderr] 44 |         str::from_utf8(slice).map_err(|_| { "".to_string() }).unwrap().trim_right_matches('\0').to_string()
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opcode`
[INFO] [stderr]    --> src/cpu/mod.rs:237:18
[INFO] [stderr]     |
[INFO] [stderr] 237 |             let (opcode, instruction) = Opcode::decode(self, opcode);
[INFO] [stderr]     |                  ^^^^^^ help: consider prefixing with an underscore: `_opcode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opcode`
[INFO] [stderr]    --> src/cpu/mod.rs:237:18
[INFO] [stderr]     |
[INFO] [stderr] 237 |             let (opcode, instruction) = Opcode::decode(self, opcode);
[INFO] [stderr]     |                  ^^^^^^ help: consider prefixing with an underscore: `_opcode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Immediate`
[INFO] [stderr]    --> src/cpu/mod.rs:144:1
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub struct Immediate;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_u16`
[INFO] [stderr]    --> src/cpu/mod.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn read_u16(&mut self, addr: u16) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_u16`
[INFO] [stderr]    --> src/cpu/mod.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn write_u16(&mut self, addr: u16, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `black`
[INFO] [stderr]   --> src/gpu/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     black: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dark`
[INFO] [stderr]   --> src/gpu/mod.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     dark: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `light`
[INFO] [stderr]   --> src/gpu/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     light: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `white`
[INFO] [stderr]   --> src/gpu/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     white: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Immediate`
[INFO] [stderr]    --> src/cpu/mod.rs:144:1
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub struct Immediate;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_u16`
[INFO] [stderr]    --> src/cpu/mod.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn read_u16(&mut self, addr: u16) -> u16 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_u16`
[INFO] [stderr]    --> src/cpu/mod.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn write_u16(&mut self, addr: u16, value: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `black`
[INFO] [stderr]   --> src/gpu/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     black: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dark`
[INFO] [stderr]   --> src/gpu/mod.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     dark: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `light`
[INFO] [stderr]   --> src/gpu/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     light: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `white`
[INFO] [stderr]   --> src/gpu/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     white: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "2ce1b77e0ca6106fd7b53239fd581a4cc55dbab47f85524ea71e84cc27a6205c"`
[INFO] running `"docker" "rm" "-f" "2ce1b77e0ca6106fd7b53239fd581a4cc55dbab47f85524ea71e84cc27a6205c"`
[INFO] [stdout] 2ce1b77e0ca6106fd7b53239fd581a4cc55dbab47f85524ea71e84cc27a6205c