[INFO] crate piston_mix_economy 0.2.0 is already in cache
[INFO] checking piston_mix_economy-0.2.0 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate piston_mix_economy 0.2.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate piston_mix_economy 0.2.0 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate piston_mix_economy 0.2.0
[INFO] finished tweaking crates.io crate piston_mix_economy 0.2.0
[INFO] tweaked toml for crates.io crate piston_mix_economy 0.2.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e24729f99524b7e59c95ee4805c013f3b6a95b096cbfa8ea34b5979d29fc572a
[INFO] running `"docker" "start" "-a" "e24729f99524b7e59c95ee4805c013f3b6a95b096cbfa8ea34b5979d29fc572a"`
[INFO] [stderr]     Checking piston-float v0.2.0
[INFO] [stderr]     Checking shader_version v0.2.2
[INFO] [stderr]     Checking read_color v0.1.0
[INFO] [stderr]     Checking piston-texture v0.5.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.2.1
[INFO] [stderr]     Checking piston_mix_economy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gfx_core v0.4.0
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking piston-viewport v0.2.0
[INFO] [stderr]     Checking vecmath v0.2.0
[INFO] [stderr]     Checking pistoncore-input v0.14.0
[INFO] [stderr]     Checking piston2d-graphics v0.17.3
[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 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 42.09s
[INFO] running `"docker" "inspect" "e24729f99524b7e59c95ee4805c013f3b6a95b096cbfa8ea34b5979d29fc572a"`
[INFO] running `"docker" "rm" "-f" "e24729f99524b7e59c95ee4805c013f3b6a95b096cbfa8ea34b5979d29fc572a"`
[INFO] [stdout] e24729f99524b7e59c95ee4805c013f3b6a95b096cbfa8ea34b5979d29fc572a