Dec 18 12:49:08.540 INFO checking prom-attire-bootstrap-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:49:08.540 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/prom-attire-bootstrap/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:49:09.081 INFO [stdout] 7e7b9a27ca2bff3800a3764d2b51fee4ae639c8d331567ac7a86849853ca32b8
Dec 18 12:49:09.083 INFO running `"docker" "start" "-a" "7e7b9a27ca2bff3800a3764d2b51fee4ae639c8d331567ac7a86849853ca32b8"`
Dec 18 12:49:11.320 INFO [stderr]     Checking error-chain v0.8.1
Dec 18 12:49:11.830 INFO [stderr]     Checking prom-attire-impl v0.1.0
Dec 18 12:49:12.768 INFO [stderr]     Checking prom-attire-bootstrap v0.1.0 (/opt/crater/workdir)
Dec 18 12:49:13.184 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
Dec 18 12:49:13.530 INFO running `"docker" "inspect" "7e7b9a27ca2bff3800a3764d2b51fee4ae639c8d331567ac7a86849853ca32b8"`
Dec 18 12:49:13.670 INFO running `"docker" "rm" "-f" "7e7b9a27ca2bff3800a3764d2b51fee4ae639c8d331567ac7a86849853ca32b8"`
Dec 18 12:49:13.847 INFO [stdout] 7e7b9a27ca2bff3800a3764d2b51fee4ae639c8d331567ac7a86849853ca32b8