Dec 17 10:55:54.060 INFO checking zhenhuanlee/rust_guess_no against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 10:55:54.060 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/zhenhuanlee/rust_guess_no:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 10:55:54.572 INFO [stdout] 156f918717ff0cbae7fb9be5676fc701fa75670ae752af384d06e2335bfcd825
Dec 17 10:55:54.580 INFO running `"docker" "start" "-a" "156f918717ff0cbae7fb9be5676fc701fa75670ae752af384d06e2335bfcd825"`
Dec 17 10:55:55.756 INFO [stderr]     Checking libc v0.2.40
Dec 17 10:55:56.733 INFO [stderr]     Checking rand v0.4.2
Dec 17 10:55:57.821 INFO [stderr]     Checking rand v0.3.22
Dec 17 10:55:57.912 INFO [stderr]     Checking guess v0.1.0 (/opt/crater/workdir)
Dec 17 10:55:58.114 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
Dec 17 10:55:58.455 INFO running `"docker" "inspect" "156f918717ff0cbae7fb9be5676fc701fa75670ae752af384d06e2335bfcd825"`
Dec 17 10:55:58.646 INFO running `"docker" "rm" "-f" "156f918717ff0cbae7fb9be5676fc701fa75670ae752af384d06e2335bfcd825"`
Dec 17 10:55:58.996 INFO [stdout] 156f918717ff0cbae7fb9be5676fc701fa75670ae752af384d06e2335bfcd825