Dec 18 12:25:10.577 INFO checking render-tree-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:25:10.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/render-tree/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 12:25:10.780 INFO [stdout] 96516dd205d5e819e013ee1aa3e5bedb01d8ff06376f2972c38f82c27e316eca
Dec 18 12:25:10.782 INFO running `"docker" "start" "-a" "96516dd205d5e819e013ee1aa3e5bedb01d8ff06376f2972c38f82c27e316eca"`
Dec 18 12:25:11.339 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 18 12:25:11.398 INFO [stderr]     Checking render-tree v0.1.0 (/opt/crater/workdir)
Dec 18 12:25:11.398 INFO [stderr]     Checking pretty_env_logger v0.2.5
Dec 18 12:25:11.516 INFO [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Dec 18 12:25:11.516 INFO [stderr]  --> src/lib.rs:1:12
Dec 18 12:25:11.516 INFO [stderr]   |
Dec 18 12:25:11.516 INFO [stderr] 1 | #![feature(rust_2018_preview)]
Dec 18 12:25:11.516 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 18 12:25:11.516 INFO [stderr] 
Dec 18 12:25:12.294 INFO [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Dec 18 12:25:12.294 INFO [stderr]  --> src/lib.rs:1:12
Dec 18 12:25:12.294 INFO [stderr]   |
Dec 18 12:25:12.294 INFO [stderr] 1 | #![feature(rust_2018_preview)]
Dec 18 12:25:12.294 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 18 12:25:12.294 INFO [stderr] 
Dec 18 12:25:13.640 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
Dec 18 12:25:14.334 INFO running `"docker" "inspect" "96516dd205d5e819e013ee1aa3e5bedb01d8ff06376f2972c38f82c27e316eca"`
Dec 18 12:25:14.591 INFO running `"docker" "rm" "-f" "96516dd205d5e819e013ee1aa3e5bedb01d8ff06376f2972c38f82c27e316eca"`
Dec 18 12:25:14.836 INFO [stdout] 96516dd205d5e819e013ee1aa3e5bedb01d8ff06376f2972c38f82c27e316eca