[INFO] cloning repository dpl0/gemub
[INFO] running `"git" "clone" "--bare" "git://github.com/dpl0/gemub.git" "work/cache/sources/gh/dpl0/gemub"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dpl0/gemub'...
[INFO] running `"git" "clone" "work/cache/sources/gh/dpl0/gemub" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dpl0/gemub"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dpl0/gemub'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dpl0/gemub" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dpl0/gemub"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dpl0/gemub'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 995f0dc826083ddd164f31a441ebddbdd48c92b3
[INFO] sha for GitHub repo dpl0/gemub: 995f0dc826083ddd164f31a441ebddbdd48c92b3
[INFO] validating manifest of dpl0/gemub on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dpl0/gemub on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dpl0/gemub
[INFO] finished frobbing dpl0/gemub
[INFO] frobbed toml for dpl0/gemub written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dpl0/gemub/Cargo.toml
[INFO] started frobbing dpl0/gemub
[INFO] finished frobbing dpl0/gemub
[INFO] frobbed toml for dpl0/gemub written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dpl0/gemub/Cargo.toml
[INFO] crate dpl0/gemub already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dpl0/gemub against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dpl0/gemub:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7ecac774d5f8aff71187a5001694fa152abae9ee437ed427c3f217546fe928d5
[INFO] running `"docker" "start" "-a" "7ecac774d5f8aff71187a5001694fa152abae9ee437ed427c3f217546fe928d5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking gemub v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/gameboy/bus.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let buf = buf; // Shadow into an inmutable Copy.
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ram`
[INFO] [stderr]   --> src/gameboy/bus.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     ram: Box<Vec<u8>>, // Store memory in heap.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/gameboy/bus.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let buf = buf; // Shadow into an inmutable Copy.
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ram`
[INFO] [stderr]   --> src/gameboy/bus.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     ram: Box<Vec<u8>>, // Store memory in heap.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "7ecac774d5f8aff71187a5001694fa152abae9ee437ed427c3f217546fe928d5"`
[INFO] running `"docker" "rm" "-f" "7ecac774d5f8aff71187a5001694fa152abae9ee437ed427c3f217546fe928d5"`
[INFO] [stdout] 7ecac774d5f8aff71187a5001694fa152abae9ee437ed427c3f217546fe928d5