Dec 18 11:14:41.638 INFO checking signatory-0.10.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:14:41.638 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/signatory/0.10.1:/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 11:14:42.149 INFO [stdout] cf85ffcd1a44acdc30417c6224eabe2c4769540b6fa8741d7d01a7767675f87b
Dec 18 11:14:42.149 INFO running `"docker" "start" "-a" "cf85ffcd1a44acdc30417c6224eabe2c4769540b6fa8741d7d01a7767675f87b"`
Dec 18 11:14:43.584 INFO [stderr]    Compiling zeroize v0.4.2
Dec 18 11:14:43.584 INFO [stderr]     Checking rand v0.5.5
Dec 18 11:14:45.696 INFO [stderr]     Checking subtle-encoding v0.3.0
Dec 18 11:14:47.301 INFO [stderr]     Checking signatory v0.10.1 (/opt/crater/workdir)
Dec 18 11:14:47.974 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
Dec 18 11:14:48.397 INFO running `"docker" "inspect" "cf85ffcd1a44acdc30417c6224eabe2c4769540b6fa8741d7d01a7767675f87b"`
Dec 18 11:14:48.500 INFO running `"docker" "rm" "-f" "cf85ffcd1a44acdc30417c6224eabe2c4769540b6fa8741d7d01a7767675f87b"`
Dec 18 11:14:48.636 INFO [stdout] cf85ffcd1a44acdc30417c6224eabe2c4769540b6fa8741d7d01a7767675f87b