Dec 19 16:33:07.460 INFO checking giansalex/rust-sample against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:33:07.460 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/giansalex/rust-sample:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:33:07.904 INFO [stdout] 08d276ed39df5f700813ec7102a591cb4ca716b015bc55d84cf2076bcfd05f14
Dec 19 16:33:07.907 INFO running `"docker" "start" "-a" "08d276ed39df5f700813ec7102a591cb4ca716b015bc55d84cf2076bcfd05f14"`
Dec 19 16:33:09.547 INFO [stderr]     Checking json v0.11.12
Dec 19 16:33:09.549 INFO [stderr]     Checking hyper-native-tls v0.2.4
Dec 19 16:33:10.882 INFO [stderr]     Checking requests v0.0.30
Dec 19 16:33:11.468 INFO [stderr]     Checking hello_cargo v0.1.0 (/opt/crater/workdir)
Dec 19 16:33:12.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
Dec 19 16:33:13.814 INFO running `"docker" "inspect" "08d276ed39df5f700813ec7102a591cb4ca716b015bc55d84cf2076bcfd05f14"`
Dec 19 16:33:14.127 INFO running `"docker" "rm" "-f" "08d276ed39df5f700813ec7102a591cb4ca716b015bc55d84cf2076bcfd05f14"`
Dec 19 16:33:14.452 INFO [stdout] 08d276ed39df5f700813ec7102a591cb4ca716b015bc55d84cf2076bcfd05f14