Dec 18 13:22:05.579 INFO checking opentracing-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:22:05.579 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/opentracing/0.1.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:22:05.856 INFO [stdout] 20c90cee66dd781e23d8c9780e770046ac29bcc3a14478d2d8a115af59a72003
Dec 18 13:22:05.858 INFO running `"docker" "start" "-a" "20c90cee66dd781e23d8c9780e770046ac29bcc3a14478d2d8a115af59a72003"`
Dec 18 13:22:06.440 INFO [stderr]     Checking errno v0.1.8
Dec 18 13:22:06.440 INFO [stderr]     Checking rpassword v0.2.3
Dec 18 13:22:06.824 INFO [stderr]     Checking lsio v0.1.18
Dec 18 13:22:07.357 INFO [stderr]     Checking opentracing v0.1.0 (/opt/crater/workdir)
Dec 18 13:22:07.804 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 18 13:22:08.065 INFO running `"docker" "inspect" "20c90cee66dd781e23d8c9780e770046ac29bcc3a14478d2d8a115af59a72003"`
Dec 18 13:22:08.155 INFO running `"docker" "rm" "-f" "20c90cee66dd781e23d8c9780e770046ac29bcc3a14478d2d8a115af59a72003"`
Dec 18 13:22:08.249 INFO [stdout] 20c90cee66dd781e23d8c9780e770046ac29bcc3a14478d2d8a115af59a72003