[INFO] updating cached repository trcm/gb-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/trcm/gb-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/trcm/gb-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/trcm/gb-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/trcm/gb-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/trcm/gb-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/trcm/gb-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/trcm/gb-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76c6bb36f17cc0ea65f564a7cd960dce9b02dba8
[INFO] sha for GitHub repo trcm/gb-rs: 76c6bb36f17cc0ea65f564a7cd960dce9b02dba8
[INFO] validating manifest of trcm/gb-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of trcm/gb-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing trcm/gb-rs
[INFO] finished frobbing trcm/gb-rs
[INFO] frobbed toml for trcm/gb-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/trcm/gb-rs/Cargo.toml
[INFO] started frobbing trcm/gb-rs
[INFO] finished frobbing trcm/gb-rs
[INFO] frobbed toml for trcm/gb-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/trcm/gb-rs/Cargo.toml
[INFO] crate trcm/gb-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing trcm/gb-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/trcm/gb-rs:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c025333f397b2eef18249d20ed020b7c0aee574603316b249b3c4bf2fbc6abc1
[INFO] running `"docker" "start" "-a" "c025333f397b2eef18249d20ed020b7c0aee574603316b249b3c4bf2fbc6abc1"`
[INFO] [stderr]    Compiling sdl2-sys v0.8.1
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling clap v2.23.3
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling sdl2 v0.13.0
[INFO] [stderr]    Compiling gb-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::cpu::CPU`
[INFO] [stderr]  --> src/cpu/interconnect.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cpu::cpu::CPU;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/cpu/gb.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::op::Opcode`
[INFO] [stderr]  --> src/debug/debug.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cpu::op::Opcode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]   --> src/main.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::cpu::CPU`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use cpu::cpu::CPU;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::interconnect::Interconnect`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use cpu::interconnect::Interconnect;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]    --> src/cpu/cpu.rs:425:21
[INFO] [stderr]     |
[INFO] [stderr] 425 |                 let location = (second as u16) << 8 | first as u16;
[INFO] [stderr]     |                     ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]    --> src/cpu/cpu.rs:437:25
[INFO] [stderr]     |
[INFO] [stderr] 437 |                     let location = (second as u16) << 8 | first as u16;
[INFO] [stderr]     |                         ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/debug/debug.rs:339:13
[INFO] [stderr]     |
[INFO] [stderr] 339 |         let res = machine.step();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_word`
[INFO] [stderr]   --> src/cpu/interconnect.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn read_word(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/cpu/interconnect.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn step(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/cpu/cpu.rs:548:20
[INFO] [stderr]     |
[INFO] [stderr] 548 |                 if self.a < 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.92s
[INFO] running `"docker" "inspect" "c025333f397b2eef18249d20ed020b7c0aee574603316b249b3c4bf2fbc6abc1"`
[INFO] running `"docker" "rm" "-f" "c025333f397b2eef18249d20ed020b7c0aee574603316b249b3c4bf2fbc6abc1"`
[INFO] [stdout] c025333f397b2eef18249d20ed020b7c0aee574603316b249b3c4bf2fbc6abc1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/trcm/gb-rs:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] adc7a478b3c735e8d328547c7802e08b1835d94356f1d5536d00dd2a691eb993
[INFO] running `"docker" "start" "-a" "adc7a478b3c735e8d328547c7802e08b1835d94356f1d5536d00dd2a691eb993"`
[INFO] [stderr]    Compiling gb-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::cpu::CPU`
[INFO] [stderr]  --> src/cpu/interconnect.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cpu::cpu::CPU;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/cpu/gb.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::op::Opcode`
[INFO] [stderr]  --> src/debug/debug.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cpu::op::Opcode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]   --> src/main.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::cpu::CPU`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use cpu::cpu::CPU;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::interconnect::Interconnect`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use cpu::interconnect::Interconnect;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]    --> src/cpu/cpu.rs:425:21
[INFO] [stderr]     |
[INFO] [stderr] 425 |                 let location = (second as u16) << 8 | first as u16;
[INFO] [stderr]     |                     ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `location`
[INFO] [stderr]    --> src/cpu/cpu.rs:437:25
[INFO] [stderr]     |
[INFO] [stderr] 437 |                     let location = (second as u16) << 8 | first as u16;
[INFO] [stderr]     |                         ^^^^^^^^ help: consider prefixing with an underscore: `_location`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/debug/debug.rs:339:13
[INFO] [stderr]     |
[INFO] [stderr] 339 |         let res = machine.step();
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_word`
[INFO] [stderr]   --> src/cpu/interconnect.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn read_word(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/cpu/interconnect.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn step(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/cpu/cpu.rs:548:20
[INFO] [stderr]     |
[INFO] [stderr] 548 |                 if self.a < 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "adc7a478b3c735e8d328547c7802e08b1835d94356f1d5536d00dd2a691eb993"`
[INFO] running `"docker" "rm" "-f" "adc7a478b3c735e8d328547c7802e08b1835d94356f1d5536d00dd2a691eb993"`
[INFO] [stdout] adc7a478b3c735e8d328547c7802e08b1835d94356f1d5536d00dd2a691eb993
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/trcm/gb-rs:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f4e9e34ddae90ede3eaef0de6090f68f90ab7dd49254bfaa4d8a1f5e8b5bc9da
[INFO] running `"docker" "start" "-a" "f4e9e34ddae90ede3eaef0de6090f68f90ab7dd49254bfaa4d8a1f5e8b5bc9da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gb_rs-add075ba1ce8c83b
[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" "f4e9e34ddae90ede3eaef0de6090f68f90ab7dd49254bfaa4d8a1f5e8b5bc9da"`
[INFO] running `"docker" "rm" "-f" "f4e9e34ddae90ede3eaef0de6090f68f90ab7dd49254bfaa4d8a1f5e8b5bc9da"`
[INFO] [stdout] f4e9e34ddae90ede3eaef0de6090f68f90ab7dd49254bfaa4d8a1f5e8b5bc9da