[INFO] fetching crate piston_mix_economy 0.2.0...
[INFO] extracting crate piston_mix_economy 0.2.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/piston_mix_economy/0.2.0
[INFO] extracting crate piston_mix_economy 0.2.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/piston_mix_economy/0.2.0
[INFO] validating manifest of piston_mix_economy-0.2.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of piston_mix_economy-0.2.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing piston_mix_economy-0.2.0
[INFO] finished frobbing piston_mix_economy-0.2.0
[INFO] frobbed toml for piston_mix_economy-0.2.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/piston_mix_economy/0.2.0/Cargo.toml
[INFO] started frobbing piston_mix_economy-0.2.0
[INFO] finished frobbing piston_mix_economy-0.2.0
[INFO] frobbed toml for piston_mix_economy-0.2.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/piston_mix_economy/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston-timer_controller v0.6.0
[INFO] [stderr]   Downloaded piston_window v0.53.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.30.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking piston_mix_economy-0.2.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/piston_mix_economy/0.2.0:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 285680a402211bb63adb210ef585f6f206474cf187ac1a09fc1de5bc2f123e6f
[INFO] running `"docker" "start" "-a" "285680a402211bb63adb210ef585f6f206474cf187ac1a09fc1de5bc2f123e6f"`
[INFO] [stderr]     Checking piston_mix_economy v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]     Checking pistoncore-input v0.14.0
[INFO] [stderr]     Checking piston2d-graphics v0.17.3
[INFO] [stderr]     Checking gfx_core v0.4.0
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]     Checking pistoncore-window v0.22.1
[INFO] [stderr]     Checking piston-timer_controller v0.6.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.25.1
[INFO] [stderr]     Checking piston v0.25.1
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking pistoncore-glutin_window v0.30.0
[INFO] [stderr]     Checking gfx v0.12.2
[INFO] [stderr]     Checking gfx_device_gl v0.11.2
[INFO] [stderr]     Checking piston-gfx_texture v0.17.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.31.2
[INFO] [stderr]     Checking piston_window v0.53.0
[INFO] [stderr] warning: field is never used: `min_tax_2`
[INFO] [stderr]   --> examples/random_transactions_solver.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     min_tax_2: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.90s
[INFO] running `"docker" "inspect" "285680a402211bb63adb210ef585f6f206474cf187ac1a09fc1de5bc2f123e6f"`
[INFO] running `"docker" "rm" "-f" "285680a402211bb63adb210ef585f6f206474cf187ac1a09fc1de5bc2f123e6f"`
[INFO] [stdout] 285680a402211bb63adb210ef585f6f206474cf187ac1a09fc1de5bc2f123e6f