Dec 17 17:49:18.537 INFO checking pigeon-working-group/9000d against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:49:18.537 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/pigeon-working-group/9000d:/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 17 17:49:19.118 INFO [stdout] 2e3e2b4e26588619aec13e3fc8c9235466e109856b9b7f55824d33b6c36e9deb
Dec 17 17:49:19.118 INFO running `"docker" "start" "-a" "2e3e2b4e26588619aec13e3fc8c9235466e109856b9b7f55824d33b6c36e9deb"`
Dec 17 17:49:20.880 INFO [stderr]    Compiling libc v0.2.29
Dec 17 17:49:20.880 INFO [stderr]    Compiling lazy_static v0.2.8
Dec 17 17:49:20.880 INFO [stderr]    Compiling serde v1.0.11
Dec 17 17:49:20.880 INFO [stderr]    Compiling regex-syntax v0.4.1
Dec 17 17:49:20.880 INFO [stderr]    Compiling percent-encoding v1.0.0
Dec 17 17:49:20.880 INFO [stderr]    Compiling if_chain v0.1.2
Dec 17 17:49:20.880 INFO [stderr]     Checking quick-error v1.2.0
Dec 17 17:49:20.880 INFO [stderr]     Checking serde_json v1.0.2
Dec 17 17:49:22.240 INFO [stderr]     Checking rppal v0.1.3
Dec 17 17:49:23.134 INFO [stderr]    Compiling thread_local v0.3.4
Dec 17 17:49:23.242 INFO [stderr]    Compiling url v1.5.1
Dec 17 17:49:27.049 INFO [stderr]    Compiling memchr v1.0.1
Dec 17 17:49:28.481 INFO [stderr]    Compiling aho-corasick v0.6.3
Dec 17 17:49:32.994 INFO [stderr]     Checking validator v0.6.0
Dec 17 17:49:39.154 INFO [stderr]    Compiling regex v0.2.2
Dec 17 17:49:56.970 INFO [stderr]    Compiling validator_derive v0.6.0
Dec 17 17:50:00.424 INFO [stderr]     Checking 9000d v0.1.0 (/opt/crater/workdir)
Dec 17 17:50:01.478 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.76s
Dec 17 17:50:02.534 INFO running `"docker" "inspect" "2e3e2b4e26588619aec13e3fc8c9235466e109856b9b7f55824d33b6c36e9deb"`
Dec 17 17:50:02.936 INFO running `"docker" "rm" "-f" "2e3e2b4e26588619aec13e3fc8c9235466e109856b9b7f55824d33b6c36e9deb"`
Dec 17 17:50:03.252 INFO [stdout] 2e3e2b4e26588619aec13e3fc8c9235466e109856b9b7f55824d33b6c36e9deb