Dec 18 05:20:32.517 INFO checking SuchMonkey/caribou against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:20:32.517 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/SuchMonkey/caribou:/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 05:20:33.151 INFO [stdout] f2af6049d68e90c142f5d6703584bfe5cca7e894c92aee02b60312ec334c14fb
Dec 18 05:20:33.154 INFO running `"docker" "start" "-a" "f2af6049d68e90c142f5d6703584bfe5cca7e894c92aee02b60312ec334c14fb"`
Dec 18 05:20:35.300 INFO [stderr]    Compiling syn v0.13.10
Dec 18 05:20:35.300 INFO [stderr]     Checking postgres-protocol v0.3.2
Dec 18 05:20:37.042 INFO [stderr]     Checking postgres-shared v0.4.1
Dec 18 05:20:39.624 INFO [stderr]     Checking postgres v0.15.2
Dec 18 05:20:49.528 INFO [stderr]    Compiling derive-error-chain v0.11.1
Dec 18 05:20:54.670 INFO [stderr]     Checking dotenv v0.11.0
Dec 18 05:20:55.171 INFO [stderr]     Checking caribou v0.1.0 (/opt/crater/workdir)
Dec 18 05:20:55.894 INFO [stderr] warning: unused import: `dotenv::dotenv`
Dec 18 05:20:55.894 INFO [stderr]  --> src/main.rs:6:5
Dec 18 05:20:55.894 INFO [stderr]   |
Dec 18 05:20:55.894 INFO [stderr] 6 | use dotenv::dotenv;
Dec 18 05:20:55.894 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 18 05:20:55.894 INFO [stderr]   |
Dec 18 05:20:55.894 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:20:55.894 INFO [stderr] 
Dec 18 05:20:55.968 INFO [stderr] warning: unused import: `dotenv::dotenv`
Dec 18 05:20:55.968 INFO [stderr]  --> src/main.rs:6:5
Dec 18 05:20:55.968 INFO [stderr]   |
Dec 18 05:20:55.968 INFO [stderr] 6 | use dotenv::dotenv;
Dec 18 05:20:55.968 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 18 05:20:55.968 INFO [stderr]   |
Dec 18 05:20:55.968 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 05:20:55.968 INFO [stderr] 
Dec 18 05:20:56.066 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.93s
Dec 18 05:20:56.302 INFO running `"docker" "inspect" "f2af6049d68e90c142f5d6703584bfe5cca7e894c92aee02b60312ec334c14fb"`
Dec 18 05:20:56.385 INFO running `"docker" "rm" "-f" "f2af6049d68e90c142f5d6703584bfe5cca7e894c92aee02b60312ec334c14fb"`
Dec 18 05:20:56.492 INFO [stdout] f2af6049d68e90c142f5d6703584bfe5cca7e894c92aee02b60312ec334c14fb