Dec 18 11:54:21.415 INFO checking ruse-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:54:21.415 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/ruse/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:54:21.555 INFO [stdout] fa7199966d5642999a7c400f7ad056b0e491cab9f5433e7c0529a86d3b88550d
Dec 18 11:54:21.557 INFO running `"docker" "start" "-a" "fa7199966d5642999a7c400f7ad056b0e491cab9f5433e7c0529a86d3b88550d"`
Dec 18 11:54:22.068 INFO [stderr]     Checking ruse v0.1.0 (/opt/crater/workdir)
Dec 18 11:54:22.472 INFO [stderr] warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Dec 18 11:54:22.472 INFO [stderr]  --> src/ruse/lib.rs:2:12
Dec 18 11:54:22.472 INFO [stderr]   |
Dec 18 11:54:22.472 INFO [stderr] 2 | #![feature(question_mark)]
Dec 18 11:54:22.472 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 18 11:54:22.472 INFO [stderr]   |
Dec 18 11:54:22.472 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 11:54:22.472 INFO [stderr] 
Dec 18 11:54:22.553 INFO [stderr] warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Dec 18 11:54:22.553 INFO [stderr]  --> src/ruse/lib.rs:2:12
Dec 18 11:54:22.553 INFO [stderr]   |
Dec 18 11:54:22.553 INFO [stderr] 2 | #![feature(question_mark)]
Dec 18 11:54:22.553 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 18 11:54:22.560 INFO [stderr]   |
Dec 18 11:54:22.560 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 11:54:22.560 INFO [stderr] 
Dec 18 11:54:22.912 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 18 11:54:23.199 INFO running `"docker" "inspect" "fa7199966d5642999a7c400f7ad056b0e491cab9f5433e7c0529a86d3b88550d"`
Dec 18 11:54:23.350 INFO running `"docker" "rm" "-f" "fa7199966d5642999a7c400f7ad056b0e491cab9f5433e7c0529a86d3b88550d"`
Dec 18 11:54:23.500 INFO [stdout] fa7199966d5642999a7c400f7ad056b0e491cab9f5433e7c0529a86d3b88550d