Dec 18 18:37:50.174 INFO checking amazon_cognito_rust-0.1.4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:37:50.174 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/amazon_cognito_rust/0.1.4:/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 18:37:50.712 INFO [stdout] 0c943054485fead615847355d29c83753137653b61fc0b8aeebfcbaca26aa72b
Dec 18 18:37:50.720 INFO running `"docker" "start" "-a" "0c943054485fead615847355d29c83753137653b61fc0b8aeebfcbaca26aa72b"`
Dec 18 18:37:52.905 INFO [stderr]    Compiling rusoto_core v0.28.0
Dec 18 18:37:52.908 INFO [stderr]     Checking rusoto_credential v0.8.0
Dec 18 18:37:57.367 INFO [stderr]     Checking rusoto_cognito_identity v0.28.0
Dec 18 18:38:01.544 INFO [stderr]     Checking amazon_cognito_rust v0.1.4 (/opt/crater/workdir)
Dec 18 18:38:06.823 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.26s
Dec 18 18:38:07.470 INFO running `"docker" "inspect" "0c943054485fead615847355d29c83753137653b61fc0b8aeebfcbaca26aa72b"`
Dec 18 18:38:07.689 INFO running `"docker" "rm" "-f" "0c943054485fead615847355d29c83753137653b61fc0b8aeebfcbaca26aa72b"`
Dec 18 18:38:07.996 INFO [stdout] 0c943054485fead615847355d29c83753137653b61fc0b8aeebfcbaca26aa72b