[INFO] crate piston_mix_economy 0.2.0 is already in cache
[INFO] checking piston_mix_economy-0.2.0 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate piston_mix_economy 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate piston_mix_economy 0.2.0 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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 /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ea709a2ab1b07daf707f5e3b1d18f8cfddb076d62e381c3de4fc87ba49766de7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ea709a2ab1b07daf707f5e3b1d18f8cfddb076d62e381c3de4fc87ba49766de7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking piston_mix_economy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[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 num-bigint v0.1.44
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking pistoncore-event_loop v0.25.1
[INFO] [stderr]     Checking piston v0.25.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking piston-gfx_texture v0.17.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.31.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.30.0
[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 21.81s
[INFO] running `"docker" "inspect" "ea709a2ab1b07daf707f5e3b1d18f8cfddb076d62e381c3de4fc87ba49766de7"`
[INFO] running `"docker" "rm" "-f" "ea709a2ab1b07daf707f5e3b1d18f8cfddb076d62e381c3de4fc87ba49766de7"`
[INFO] [stdout] ea709a2ab1b07daf707f5e3b1d18f8cfddb076d62e381c3de4fc87ba49766de7