[INFO] updating cached repository stevebob/belt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stevebob/belt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stevebob/belt" "work/ex/beta-1.38-1/sources/1.37.0/gh/stevebob/belt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stevebob/belt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stevebob/belt" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stevebob/belt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stevebob/belt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e606988c7e432f81dfdb2a21d1376315cdd6cf52
[INFO] sha for GitHub repo stevebob/belt: e606988c7e432f81dfdb2a21d1376315cdd6cf52
[INFO] validating manifest of stevebob/belt 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 stevebob/belt 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 stevebob/belt
[INFO] finished frobbing stevebob/belt
[INFO] frobbed toml for stevebob/belt written to work/ex/beta-1.38-1/sources/1.37.0/gh/stevebob/belt/Cargo.toml
[INFO] started frobbing stevebob/belt
[INFO] finished frobbing stevebob/belt
[INFO] frobbed toml for stevebob/belt written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stevebob/belt/Cargo.toml
[INFO] crate stevebob/belt 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 stevebob/belt 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stevebob/belt:/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] 41eb9d3640cc6c20b17902289967bfccc8c32481bc7da006e888740f8e63c6b0
[INFO] running `"docker" "start" "-a" "41eb9d3640cc6c20b17902289967bfccc8c32481bc7da006e888740f8e63c6b0"`
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling inflate v0.4.2
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.15.0
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling gilrs v0.6.0
[INFO] [stderr]    Compiling winit v0.13.1
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_window_glutin v0.23.0
[INFO] [stderr]    Compiling belt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `graphics`
[INFO] [stderr]    --> src/main.rs:850:5
[INFO] [stderr]     |
[INFO] [stderr] 850 |     graphics: &'a Graphics,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `"docker" "inspect" "41eb9d3640cc6c20b17902289967bfccc8c32481bc7da006e888740f8e63c6b0"`
[INFO] running `"docker" "rm" "-f" "41eb9d3640cc6c20b17902289967bfccc8c32481bc7da006e888740f8e63c6b0"`
[INFO] [stdout] 41eb9d3640cc6c20b17902289967bfccc8c32481bc7da006e888740f8e63c6b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stevebob/belt:/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] 2c3bc9bffc13ea21c4983172ac9187383b8cd49c648e1d42709bd66010faf785
[INFO] running `"docker" "start" "-a" "2c3bc9bffc13ea21c4983172ac9187383b8cd49c648e1d42709bd66010faf785"`
[INFO] [stderr]    Compiling belt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `graphics`
[INFO] [stderr]    --> src/main.rs:850:5
[INFO] [stderr]     |
[INFO] [stderr] 850 |     graphics: &'a Graphics,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `"docker" "inspect" "2c3bc9bffc13ea21c4983172ac9187383b8cd49c648e1d42709bd66010faf785"`
[INFO] running `"docker" "rm" "-f" "2c3bc9bffc13ea21c4983172ac9187383b8cd49c648e1d42709bd66010faf785"`
[INFO] [stdout] 2c3bc9bffc13ea21c4983172ac9187383b8cd49c648e1d42709bd66010faf785
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stevebob/belt:/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] e6f84ea33b507ea27c115f53fedebe130bb203a9c05abb0ccd179b1b01e7ae94
[INFO] running `"docker" "start" "-a" "e6f84ea33b507ea27c115f53fedebe130bb203a9c05abb0ccd179b1b01e7ae94"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/belt-9691d48c8e873218
[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" "e6f84ea33b507ea27c115f53fedebe130bb203a9c05abb0ccd179b1b01e7ae94"`
[INFO] running `"docker" "rm" "-f" "e6f84ea33b507ea27c115f53fedebe130bb203a9c05abb0ccd179b1b01e7ae94"`
[INFO] [stdout] e6f84ea33b507ea27c115f53fedebe130bb203a9c05abb0ccd179b1b01e7ae94