[INFO] updating cached repository Xannden/gb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Xannden/gb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Xannden/gb" "work/ex/beta-1.37-6/sources/1.36.0/gh/Xannden/gb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Xannden/gb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Xannden/gb" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Xannden/gb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Xannden/gb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50cdf22858e5922e182db22c5393aa202c890ed4
[INFO] sha for GitHub repo Xannden/gb: 50cdf22858e5922e182db22c5393aa202c890ed4
[INFO] validating manifest of Xannden/gb 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 Xannden/gb 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 Xannden/gb
[INFO] finished frobbing Xannden/gb
[INFO] frobbed toml for Xannden/gb written to work/ex/beta-1.37-6/sources/1.36.0/gh/Xannden/gb/Cargo.toml
[INFO] started frobbing Xannden/gb
[INFO] finished frobbing Xannden/gb
[INFO] frobbed toml for Xannden/gb written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Xannden/gb/Cargo.toml
[INFO] crate Xannden/gb 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 Xannden/gb against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Xannden/gb:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 42b18bfe158fca7f2f22d86fd878ab3408bfd7cd9fdd0f816cacd5c5596100de
[INFO] running `"docker" "start" "-a" "42b18bfe158fca7f2f22d86fd878ab3408bfd7cd9fdd0f816cacd5c5596100de"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling gameboy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/cpu/register/mod.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         unsafe {
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `"docker" "inspect" "42b18bfe158fca7f2f22d86fd878ab3408bfd7cd9fdd0f816cacd5c5596100de"`
[INFO] running `"docker" "rm" "-f" "42b18bfe158fca7f2f22d86fd878ab3408bfd7cd9fdd0f816cacd5c5596100de"`
[INFO] [stdout] 42b18bfe158fca7f2f22d86fd878ab3408bfd7cd9fdd0f816cacd5c5596100de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Xannden/gb:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4b2f9b4015ec86d4cc6c270f716979cf4d552a1df17280364d57e1c68680c56a
[INFO] running `"docker" "start" "-a" "4b2f9b4015ec86d4cc6c270f716979cf4d552a1df17280364d57e1c68680c56a"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling gameboy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/cpu/register/mod.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         unsafe {
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "4b2f9b4015ec86d4cc6c270f716979cf4d552a1df17280364d57e1c68680c56a"`
[INFO] running `"docker" "rm" "-f" "4b2f9b4015ec86d4cc6c270f716979cf4d552a1df17280364d57e1c68680c56a"`
[INFO] [stdout] 4b2f9b4015ec86d4cc6c270f716979cf4d552a1df17280364d57e1c68680c56a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Xannden/gb:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cf1aae5531f79d0b79bdd33093994ecbcd2fe502ace912a6f9d32289a7ce02f3
[INFO] running `"docker" "start" "-a" "cf1aae5531f79d0b79bdd33093994ecbcd2fe502ace912a6f9d32289a7ce02f3"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gameboy-8e98b801b7893bab
[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] [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] [stderr]      Running /opt/crater/target/debug/deps/gameboy-4551d1e1661cb617
[INFO] [stderr]    Doc-tests gameboy
[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" "cf1aae5531f79d0b79bdd33093994ecbcd2fe502ace912a6f9d32289a7ce02f3"`
[INFO] running `"docker" "rm" "-f" "cf1aae5531f79d0b79bdd33093994ecbcd2fe502ace912a6f9d32289a7ce02f3"`
[INFO] [stdout] cf1aae5531f79d0b79bdd33093994ecbcd2fe502ace912a6f9d32289a7ce02f3