Dec 05 02:54:23.836 INFO checking Darksecond/gbm-rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:54:23.836 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 02:54:24.375 INFO [stdout] 3668c3a210b7a2079b96ab9657faf7b711ceca2e38a7fa4460116f79c8d5936f
Dec 05 02:54:24.377 INFO running `"docker" "start" "-a" "3668c3a210b7a2079b96ab9657faf7b711ceca2e38a7fa4460116f79c8d5936f"`
Dec 05 02:54:24.936 INFO [stderr] usermod: no changes
Dec 05 02:54:24.965 INFO [stderr]     Checking gbm-rust v0.1.0 (/source)
Dec 05 02:54:25.907 INFO [stderr] warning: unused variable: `opcode`
Dec 05 02:54:25.907 INFO [stderr]    --> src/cpu/mod.rs:237:18
Dec 05 02:54:25.907 INFO [stderr]     |
Dec 05 02:54:25.907 INFO [stderr] 237 |             let (opcode, instruction) = Opcode::decode(self, opcode);
Dec 05 02:54:25.907 INFO [stderr]     |                  ^^^^^^ help: consider using `_opcode` instead
Dec 05 02:54:25.907 INFO [stderr]     |
Dec 05 02:54:25.907 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 02:54:25.907 INFO [stderr] 
Dec 05 02:54:25.984 INFO [stderr] warning: unused variable: `opcode`
Dec 05 02:54:25.984 INFO [stderr]    --> src/cpu/mod.rs:237:18
Dec 05 02:54:25.984 INFO [stderr]     |
Dec 05 02:54:25.984 INFO [stderr] 237 |             let (opcode, instruction) = Opcode::decode(self, opcode);
Dec 05 02:54:25.984 INFO [stderr]     |                  ^^^^^^ help: consider using `_opcode` instead
Dec 05 02:54:25.984 INFO [stderr]     |
Dec 05 02:54:25.984 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 02:54:25.984 INFO [stderr] 
Dec 05 02:54:26.057 INFO [stderr] warning: struct is never constructed: `Immediate`
Dec 05 02:54:26.057 INFO [stderr]    --> src/cpu/mod.rs:144:1
Dec 05 02:54:26.057 INFO [stderr]     |
Dec 05 02:54:26.057 INFO [stderr] 144 | pub struct Immediate;
Dec 05 02:54:26.057 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:54:26.057 INFO [stderr]     |
Dec 05 02:54:26.057 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 02:54:26.057 INFO [stderr] 
Dec 05 02:54:26.057 INFO [stderr] warning: method is never used: `read_u16`
Dec 05 02:54:26.057 INFO [stderr]    --> src/cpu/mod.rs:265:5
Dec 05 02:54:26.057 INFO [stderr]     |
Dec 05 02:54:26.057 INFO [stderr] 265 |     pub fn read_u16(&mut self, addr: u16) -> u16 {
Dec 05 02:54:26.057 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:54:26.057 INFO [stderr] 
Dec 05 02:54:26.057 INFO [stderr] warning: method is never used: `write_u16`
Dec 05 02:54:26.057 INFO [stderr]    --> src/cpu/mod.rs:271:5
Dec 05 02:54:26.057 INFO [stderr]     |
Dec 05 02:54:26.057 INFO [stderr] 271 |     pub fn write_u16(&mut self, addr: u16, value: u16) {
Dec 05 02:54:26.057 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:54:26.057 INFO [stderr] 
Dec 05 02:54:26.057 INFO [stderr] warning: field is never used: `black`
Dec 05 02:54:26.057 INFO [stderr]   --> src/gpu/mod.rs:31:5
Dec 05 02:54:26.057 INFO [stderr]    |
Dec 05 02:54:26.057 INFO [stderr] 31 |     black: Color,
Dec 05 02:54:26.057 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 02:54:26.057 INFO [stderr] 
Dec 05 02:54:26.057 INFO [stderr] warning: field is never used: `dark`
Dec 05 02:54:26.057 INFO [stderr]   --> src/gpu/mod.rs:32:5
Dec 05 02:54:26.057 INFO [stderr]    |
Dec 05 02:54:26.057 INFO [stderr] 32 |     dark: Color,
Dec 05 02:54:26.057 INFO [stderr]    |     ^^^^^^^^^^^
Dec 05 02:54:26.057 INFO [stderr] 
Dec 05 02:54:26.057 INFO [stderr] warning: field is never used: `light`
Dec 05 02:54:26.057 INFO [stderr]   --> src/gpu/mod.rs:33:5
Dec 05 02:54:26.057 INFO [stderr]    |
Dec 05 02:54:26.057 INFO [stderr] 33 |     light: Color,
Dec 05 02:54:26.057 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 02:54:26.057 INFO [stderr] 
Dec 05 02:54:26.057 INFO [stderr] warning: field is never used: `white`
Dec 05 02:54:26.057 INFO [stderr]   --> src/gpu/mod.rs:34:5
Dec 05 02:54:26.057 INFO [stderr]    |
Dec 05 02:54:26.057 INFO [stderr] 34 |     white: Color,
Dec 05 02:54:26.057 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 02:54:26.057 INFO [stderr] 
Dec 05 02:54:26.117 INFO [stderr] warning: struct is never constructed: `Immediate`
Dec 05 02:54:26.117 INFO [stderr]    --> src/cpu/mod.rs:144:1
Dec 05 02:54:26.117 INFO [stderr]     |
Dec 05 02:54:26.117 INFO [stderr] 144 | pub struct Immediate;
Dec 05 02:54:26.117 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:54:26.117 INFO [stderr]     |
Dec 05 02:54:26.117 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 02:54:26.117 INFO [stderr] 
Dec 05 02:54:26.117 INFO [stderr] warning: method is never used: `read_u16`
Dec 05 02:54:26.117 INFO [stderr]    --> src/cpu/mod.rs:265:5
Dec 05 02:54:26.117 INFO [stderr]     |
Dec 05 02:54:26.117 INFO [stderr] 265 |     pub fn read_u16(&mut self, addr: u16) -> u16 {
Dec 05 02:54:26.117 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:54:26.117 INFO [stderr] 
Dec 05 02:54:26.117 INFO [stderr] warning: method is never used: `write_u16`
Dec 05 02:54:26.117 INFO [stderr]    --> src/cpu/mod.rs:271:5
Dec 05 02:54:26.117 INFO [stderr]     |
Dec 05 02:54:26.117 INFO [stderr] 271 |     pub fn write_u16(&mut self, addr: u16, value: u16) {
Dec 05 02:54:26.117 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:54:26.117 INFO [stderr] 
Dec 05 02:54:26.117 INFO [stderr] warning: field is never used: `black`
Dec 05 02:54:26.117 INFO [stderr]   --> src/gpu/mod.rs:31:5
Dec 05 02:54:26.117 INFO [stderr]    |
Dec 05 02:54:26.117 INFO [stderr] 31 |     black: Color,
Dec 05 02:54:26.117 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 02:54:26.117 INFO [stderr] 
Dec 05 02:54:26.118 INFO [stderr] warning: field is never used: `dark`
Dec 05 02:54:26.118 INFO [stderr]   --> src/gpu/mod.rs:32:5
Dec 05 02:54:26.118 INFO [stderr]    |
Dec 05 02:54:26.118 INFO [stderr] 32 |     dark: Color,
Dec 05 02:54:26.118 INFO [stderr]    |     ^^^^^^^^^^^
Dec 05 02:54:26.118 INFO [stderr] 
Dec 05 02:54:26.118 INFO [stderr] warning: field is never used: `light`
Dec 05 02:54:26.118 INFO [stderr]   --> src/gpu/mod.rs:33:5
Dec 05 02:54:26.118 INFO [stderr]    |
Dec 05 02:54:26.118 INFO [stderr] 33 |     light: Color,
Dec 05 02:54:26.118 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 02:54:26.118 INFO [stderr] 
Dec 05 02:54:26.118 INFO [stderr] warning: field is never used: `white`
Dec 05 02:54:26.118 INFO [stderr]   --> src/gpu/mod.rs:34:5
Dec 05 02:54:26.118 INFO [stderr]    |
Dec 05 02:54:26.118 INFO [stderr] 34 |     white: Color,
Dec 05 02:54:26.118 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 05 02:54:26.118 INFO [stderr] 
Dec 05 02:54:26.163 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Dec 05 02:54:26.163 INFO [stderr] su: No module specific data is present
Dec 05 02:54:26.701 INFO running `"docker" "inspect" "3668c3a210b7a2079b96ab9657faf7b711ceca2e38a7fa4460116f79c8d5936f"`
Dec 05 02:54:26.974 INFO running `"docker" "rm" "-f" "3668c3a210b7a2079b96ab9657faf7b711ceca2e38a7fa4460116f79c8d5936f"`
Dec 05 02:54:27.299 INFO [stdout] 3668c3a210b7a2079b96ab9657faf7b711ceca2e38a7fa4460116f79c8d5936f