Dec 17 23:12:28.086 INFO checking hso132/sapphbot against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:12:28.087 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/hso132/sapphbot:/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 17 23:12:28.276 INFO [stdout] da9e41ad428d43d3d17e8edcf76913274ed823b0524d5b7da07ee52dd88f13c4
Dec 17 23:12:28.278 INFO running `"docker" "start" "-a" "da9e41ad428d43d3d17e8edcf76913274ed823b0524d5b7da07ee52dd88f13c4"`
Dec 17 23:12:29.308 INFO [stderr]     Checking hyper v0.12.17
Dec 17 23:12:33.438 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 17 23:12:34.303 INFO [stderr]     Checking reqwest v0.9.5
Dec 17 23:12:36.033 INFO [stderr]     Checking sapphbot v0.1.0 (/opt/crater/workdir)
Dec 17 23:12:40.008 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
Dec 17 23:12:40.419 INFO running `"docker" "inspect" "da9e41ad428d43d3d17e8edcf76913274ed823b0524d5b7da07ee52dd88f13c4"`
Dec 17 23:12:40.626 INFO running `"docker" "rm" "-f" "da9e41ad428d43d3d17e8edcf76913274ed823b0524d5b7da07ee52dd88f13c4"`
Dec 17 23:12:40.756 INFO [stdout] da9e41ad428d43d3d17e8edcf76913274ed823b0524d5b7da07ee52dd88f13c4