[INFO] updating cached repository sctincman/shader_playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sctincman/shader_playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sctincman/shader_playground" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sctincman/shader_playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sctincman/shader_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sctincman/shader_playground" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sctincman/shader_playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sctincman/shader_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd9e700551e0a5f70e04e734687809b48ae3e9a3
[INFO] sha for GitHub repo sctincman/shader_playground: bd9e700551e0a5f70e04e734687809b48ae3e9a3
[INFO] validating manifest of sctincman/shader_playground on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sctincman/shader_playground on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sctincman/shader_playground
[INFO] finished frobbing sctincman/shader_playground
[INFO] frobbed toml for sctincman/shader_playground written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sctincman/shader_playground/Cargo.toml
[INFO] started frobbing sctincman/shader_playground
[INFO] finished frobbing sctincman/shader_playground
[INFO] frobbed toml for sctincman/shader_playground written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sctincman/shader_playground/Cargo.toml
[INFO] crate sctincman/shader_playground has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sctincman/shader_playground against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sctincman/shader_playground:/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=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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] afe18901750ca0baef36ba62d4c712e4a87671107599c37819e31fa16abc310f
[INFO] running `"docker" "start" "-a" "afe18901750ca0baef36ba62d4c712e4a87671107599c37819e31fa16abc310f"`
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling approx v0.3.0
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling nalgebra v0.16.8
[INFO] [stderr]    Compiling shader_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `time_step`
[INFO] [stderr]    --> src/main.rs:136:24
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn step(&mut self, time_step: time::Duration) {
[INFO] [stderr]     |                        ^^^^^^^^^ help: consider prefixing with an underscore: `_time_step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.07s
[INFO] running `"docker" "inspect" "afe18901750ca0baef36ba62d4c712e4a87671107599c37819e31fa16abc310f"`
[INFO] running `"docker" "rm" "-f" "afe18901750ca0baef36ba62d4c712e4a87671107599c37819e31fa16abc310f"`
[INFO] [stdout] afe18901750ca0baef36ba62d4c712e4a87671107599c37819e31fa16abc310f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sctincman/shader_playground:/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=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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2b03a572cce8a315bf5efc8746b97c2c6177e66580b11a6fce1b56c90d18b125
[INFO] running `"docker" "start" "-a" "2b03a572cce8a315bf5efc8746b97c2c6177e66580b11a6fce1b56c90d18b125"`
[INFO] [stderr]    Compiling shader_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `time_step`
[INFO] [stderr]    --> src/main.rs:136:24
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn step(&mut self, time_step: time::Duration) {
[INFO] [stderr]     |                        ^^^^^^^^^ help: consider prefixing with an underscore: `_time_step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "2b03a572cce8a315bf5efc8746b97c2c6177e66580b11a6fce1b56c90d18b125"`
[INFO] running `"docker" "rm" "-f" "2b03a572cce8a315bf5efc8746b97c2c6177e66580b11a6fce1b56c90d18b125"`
[INFO] [stdout] 2b03a572cce8a315bf5efc8746b97c2c6177e66580b11a6fce1b56c90d18b125
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sctincman/shader_playground:/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=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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 213225f2a9faf8f622ed82da9c7d4878cbb0cf6eaa145012ec8e3dbef5378c4b
[INFO] running `"docker" "start" "-a" "213225f2a9faf8f622ed82da9c7d4878cbb0cf6eaa145012ec8e3dbef5378c4b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shader_playground-7b80d9278982e98e
[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" "213225f2a9faf8f622ed82da9c7d4878cbb0cf6eaa145012ec8e3dbef5378c4b"`
[INFO] running `"docker" "rm" "-f" "213225f2a9faf8f622ed82da9c7d4878cbb0cf6eaa145012ec8e3dbef5378c4b"`
[INFO] [stdout] 213225f2a9faf8f622ed82da9c7d4878cbb0cf6eaa145012ec8e3dbef5378c4b