Dec 19 19:48:55.213 INFO checking bjackson/iridium against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:48:55.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/bjackson/iridium:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:48:55.581 INFO [stdout] a730440336df01336cbfb190a2a6926fe8bdb5ff9c2529c6340f663edf9ecab1
Dec 19 19:48:55.592 INFO running `"docker" "start" "-a" "a730440336df01336cbfb190a2a6926fe8bdb5ff9c2529c6340f663edf9ecab1"`
Dec 19 19:48:56.874 INFO [stderr]     Checking num-bigint v0.2.0
Dec 19 19:48:56.874 INFO [stderr]     Checking num-iter v0.1.37
Dec 19 19:48:58.773 INFO [stderr]     Checking num-rational v0.2.1
Dec 19 19:48:59.372 INFO [stderr]     Checking num v0.2.0
Dec 19 19:48:59.536 INFO [stderr]     Checking iridium v0.1.0 (/opt/crater/workdir)
Dec 19 19:48:59.892 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 19 19:48:59.892 INFO [stderr]  --> src/main.rs:1:12
Dec 19 19:48:59.892 INFO [stderr]   |
Dec 19 19:48:59.892 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 19:48:59.892 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 19 19:48:59.892 INFO [stderr]   |
Dec 19 19:48:59.892 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 19:48:59.892 INFO [stderr] 
Dec 19 19:48:59.940 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 19 19:48:59.940 INFO [stderr]  --> src/main.rs:1:12
Dec 19 19:48:59.940 INFO [stderr]   |
Dec 19 19:48:59.940 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 19:48:59.940 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 19 19:48:59.940 INFO [stderr]   |
Dec 19 19:48:59.940 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 19:48:59.940 INFO [stderr] 
Dec 19 19:48:59.960 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
Dec 19 19:49:00.232 INFO running `"docker" "inspect" "a730440336df01336cbfb190a2a6926fe8bdb5ff9c2529c6340f663edf9ecab1"`
Dec 19 19:49:00.305 INFO running `"docker" "rm" "-f" "a730440336df01336cbfb190a2a6926fe8bdb5ff9c2529c6340f663edf9ecab1"`
Dec 19 19:49:00.484 INFO [stdout] a730440336df01336cbfb190a2a6926fe8bdb5ff9c2529c6340f663edf9ecab1