[INFO] updating cached repository ioncodes/hipster-intro
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ioncodes/hipster-intro
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ioncodes/hipster-intro" "work/ex/beta-1.38-1/sources/1.37.0/gh/ioncodes/hipster-intro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ioncodes/hipster-intro'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ioncodes/hipster-intro" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ioncodes/hipster-intro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ioncodes/hipster-intro'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1bfb993a349d1961e8817852fa3d867763f6418
[INFO] sha for GitHub repo ioncodes/hipster-intro: d1bfb993a349d1961e8817852fa3d867763f6418
[INFO] validating manifest of ioncodes/hipster-intro on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ioncodes/hipster-intro on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ioncodes/hipster-intro
[INFO] finished frobbing ioncodes/hipster-intro
[INFO] frobbed toml for ioncodes/hipster-intro written to work/ex/beta-1.38-1/sources/1.37.0/gh/ioncodes/hipster-intro/Cargo.toml
[INFO] started frobbing ioncodes/hipster-intro
[INFO] finished frobbing ioncodes/hipster-intro
[INFO] frobbed toml for ioncodes/hipster-intro written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ioncodes/hipster-intro/Cargo.toml
[INFO] crate ioncodes/hipster-intro already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ioncodes/hipster-intro against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ioncodes/hipster-intro:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e91044f0a250db201d683d13abc38814dc9b8a87f906b9c857002eb35642a4e1
[INFO] running `"docker" "start" "-a" "e91044f0a250db201d683d13abc38814dc9b8a87f906b9c857002eb35642a4e1"`
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.9.2
[INFO] [stderr]    Compiling hipster-intro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `rasterbar`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let rasterbar = Rasterbar::new();
[INFO] [stderr]   |         ^^^^^^^^^ help: consider prefixing with an underscore: `_rasterbar`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "e91044f0a250db201d683d13abc38814dc9b8a87f906b9c857002eb35642a4e1"`
[INFO] running `"docker" "rm" "-f" "e91044f0a250db201d683d13abc38814dc9b8a87f906b9c857002eb35642a4e1"`
[INFO] [stdout] e91044f0a250db201d683d13abc38814dc9b8a87f906b9c857002eb35642a4e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ioncodes/hipster-intro:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4e9aaf0487135e913cada2cbf7ddf3916a04662976d99c1f80077dc032a7386f
[INFO] running `"docker" "start" "-a" "4e9aaf0487135e913cada2cbf7ddf3916a04662976d99c1f80077dc032a7386f"`
[INFO] [stderr]    Compiling hipster-intro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `rasterbar`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let rasterbar = Rasterbar::new();
[INFO] [stderr]   |         ^^^^^^^^^ help: consider prefixing with an underscore: `_rasterbar`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "4e9aaf0487135e913cada2cbf7ddf3916a04662976d99c1f80077dc032a7386f"`
[INFO] running `"docker" "rm" "-f" "4e9aaf0487135e913cada2cbf7ddf3916a04662976d99c1f80077dc032a7386f"`
[INFO] [stdout] 4e9aaf0487135e913cada2cbf7ddf3916a04662976d99c1f80077dc032a7386f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ioncodes/hipster-intro:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] cfe423996b5ae88d0a7c16fb132754d975dc1d5c9295226ec1e07b528ed1dc11
[INFO] running `"docker" "start" "-a" "cfe423996b5ae88d0a7c16fb132754d975dc1d5c9295226ec1e07b528ed1dc11"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hipster_intro-f55897f70fb00b6f
[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" "cfe423996b5ae88d0a7c16fb132754d975dc1d5c9295226ec1e07b528ed1dc11"`
[INFO] running `"docker" "rm" "-f" "cfe423996b5ae88d0a7c16fb132754d975dc1d5c9295226ec1e07b528ed1dc11"`
[INFO] [stdout] cfe423996b5ae88d0a7c16fb132754d975dc1d5c9295226ec1e07b528ed1dc11