[INFO] updating cached repository briancollins/genesis
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/briancollins/genesis
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/briancollins/genesis" "work/ex/beta-1.38-1/sources/1.37.0/gh/briancollins/genesis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/briancollins/genesis'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/briancollins/genesis" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/briancollins/genesis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/briancollins/genesis'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 851c092657ca4ec40bcb6f4fbb9a526c35fa58a7
[INFO] sha for GitHub repo briancollins/genesis: 851c092657ca4ec40bcb6f4fbb9a526c35fa58a7
[INFO] validating manifest of briancollins/genesis 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 briancollins/genesis 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 briancollins/genesis
[INFO] finished frobbing briancollins/genesis
[INFO] frobbed toml for briancollins/genesis written to work/ex/beta-1.38-1/sources/1.37.0/gh/briancollins/genesis/Cargo.toml
[INFO] started frobbing briancollins/genesis
[INFO] finished frobbing briancollins/genesis
[INFO] frobbed toml for briancollins/genesis written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/briancollins/genesis/Cargo.toml
[INFO] crate briancollins/genesis 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/briancollins/genesis/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 briancollins/genesis 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/briancollins/genesis:/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] c600d657f0c1332ce55c70c362a41cc1330208ba88ee93e8fd1cef602b5e8ef5
[INFO] running `"docker" "start" "-a" "c600d657f0c1332ce55c70c362a41cc1330208ba88ee93e8fd1cef602b5e8ef5"`
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling piston-texture v0.3.0
[INFO] [stderr]    Compiling freetype-sys v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling pistoncore-window v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.4.2
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling piston2d-graphics v0.13.1
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling pistoncore-event_loop v0.17.0
[INFO] [stderr]    Compiling gif v0.7.0
[INFO] [stderr]    Compiling piston v0.17.0
[INFO] [stderr]    Compiling freetype-rs v0.5.0
[INFO] [stderr]    Compiling png v0.4.3
[INFO] [stderr]    Compiling glutin v0.4.9
[INFO] [stderr]    Compiling gl v0.5.2
[INFO] [stderr]    Compiling image v0.6.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.23.0
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.20.0
[INFO] [stderr]    Compiling genesis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/app/mod.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/app/mod.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         for mut b in &mut self.biots {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.85s
[INFO] running `"docker" "inspect" "c600d657f0c1332ce55c70c362a41cc1330208ba88ee93e8fd1cef602b5e8ef5"`
[INFO] running `"docker" "rm" "-f" "c600d657f0c1332ce55c70c362a41cc1330208ba88ee93e8fd1cef602b5e8ef5"`
[INFO] [stdout] c600d657f0c1332ce55c70c362a41cc1330208ba88ee93e8fd1cef602b5e8ef5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/briancollins/genesis:/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] bef5eeea39622b976b7d931cfbd2e953390bcf92e34359df8e73ad484a7fa5a7
[INFO] running `"docker" "start" "-a" "bef5eeea39622b976b7d931cfbd2e953390bcf92e34359df8e73ad484a7fa5a7"`
[INFO] [stderr]    Compiling genesis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/app/mod.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/app/mod.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         for mut b in &mut self.biots {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "bef5eeea39622b976b7d931cfbd2e953390bcf92e34359df8e73ad484a7fa5a7"`
[INFO] running `"docker" "rm" "-f" "bef5eeea39622b976b7d931cfbd2e953390bcf92e34359df8e73ad484a7fa5a7"`
[INFO] [stdout] bef5eeea39622b976b7d931cfbd2e953390bcf92e34359df8e73ad484a7fa5a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/briancollins/genesis:/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] b8eaf174cd723848f2f346f68298d7dcabfb245deb108f0ee4e2dee18b17daa7
[INFO] running `"docker" "start" "-a" "b8eaf174cd723848f2f346f68298d7dcabfb245deb108f0ee4e2dee18b17daa7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/genesis-ea51c555e8d43432
[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" "b8eaf174cd723848f2f346f68298d7dcabfb245deb108f0ee4e2dee18b17daa7"`
[INFO] running `"docker" "rm" "-f" "b8eaf174cd723848f2f346f68298d7dcabfb245deb108f0ee4e2dee18b17daa7"`
[INFO] [stdout] b8eaf174cd723848f2f346f68298d7dcabfb245deb108f0ee4e2dee18b17daa7