Dec 19 07:38:53.757 INFO checking tahoe/rust-guess against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:38:53.757 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/tahoe/rust-guess:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:38:54.312 INFO [stdout] 5d5a88ad495b5d685fdcc289215022c5e64174de8c60ef8e54defad433cd34e7
Dec 19 07:38:54.314 INFO running `"docker" "start" "-a" "5d5a88ad495b5d685fdcc289215022c5e64174de8c60ef8e54defad433cd34e7"`
Dec 19 07:38:55.801 INFO [stderr]     Checking parking_lot_core v0.2.10
Dec 19 07:38:55.801 INFO [stderr]     Checking clap v2.29.4
Dec 19 07:38:56.516 INFO [stderr]     Checking parking_lot v0.5.3
Dec 19 07:38:57.104 INFO [stderr]     Checking console v0.6.1
Dec 19 07:39:00.788 INFO [stderr]     Checking gg v1.0.0 (/opt/crater/workdir)
Dec 19 07:39:01.225 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
Dec 19 07:39:02.282 INFO running `"docker" "inspect" "5d5a88ad495b5d685fdcc289215022c5e64174de8c60ef8e54defad433cd34e7"`
Dec 19 07:39:02.718 INFO running `"docker" "rm" "-f" "5d5a88ad495b5d685fdcc289215022c5e64174de8c60ef8e54defad433cd34e7"`
Dec 19 07:39:03.032 INFO [stdout] 5d5a88ad495b5d685fdcc289215022c5e64174de8c60ef8e54defad433cd34e7