Dec 18 10:00:19.753 INFO checking trek-0.3.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:00:19.753 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/reg/trek/0.3.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:00:20.144 INFO [stdout] a35a620b56190bf35f173a6b4a95ccbe7b05e9d50f91cb286acb91428de1e628
Dec 18 10:00:20.151 INFO running `"docker" "start" "-a" "a35a620b56190bf35f173a6b4a95ccbe7b05e9d50f91cb286acb91428de1e628"`
Dec 18 10:00:21.372 INFO [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
Dec 18 10:00:21.372 INFO [stderr] disables Cargo from automatically inferring other example targets.
Dec 18 10:00:21.372 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 18 10:00:21.372 INFO [stderr] files will be included as a example target:
Dec 18 10:00:21.372 INFO [stderr] 
Dec 18 10:00:21.372 INFO [stderr] * /opt/crater/workdir/examples/migration_index.rs
Dec 18 10:00:21.372 INFO [stderr] 
Dec 18 10:00:21.372 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 18 10:00:21.372 INFO [stderr] ready to be compiled as a example target today. You can future-proof yourself
Dec 18 10:00:21.372 INFO [stderr] and disable this warning by adding `autoexamples = false` to your [package]
Dec 18 10:00:21.372 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 18 10:00:21.373 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 18 10:00:21.373 INFO [stderr] 
Dec 18 10:00:21.373 INFO [stderr] For more information on this warning you can consult
Dec 18 10:00:21.373 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 18 10:00:21.504 INFO [stderr]     Checking trek v0.3.1 (/opt/crater/workdir)
Dec 18 10:00:24.424 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
Dec 18 10:00:25.447 INFO running `"docker" "inspect" "a35a620b56190bf35f173a6b4a95ccbe7b05e9d50f91cb286acb91428de1e628"`
Dec 18 10:00:25.860 INFO running `"docker" "rm" "-f" "a35a620b56190bf35f173a6b4a95ccbe7b05e9d50f91cb286acb91428de1e628"`
Dec 18 10:00:26.163 INFO [stdout] a35a620b56190bf35f173a6b4a95ccbe7b05e9d50f91cb286acb91428de1e628