Dec 18 07:13:59.815 INFO checking IcyDefiance/euler_solutions against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:13:59.815 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/gh/IcyDefiance/euler_solutions:/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 07:13:59.981 INFO [stdout] b23a487e17fec3f75add170c625be67ebceee1785a526d4b2f0bdf7b8fe7947d
Dec 18 07:13:59.985 INFO running `"docker" "start" "-a" "b23a487e17fec3f75add170c625be67ebceee1785a526d4b2f0bdf7b8fe7947d"`
Dec 18 07:14:00.507 INFO [stderr]     Checking fine_grained v0.1.2
Dec 18 07:14:00.507 INFO [stderr]     Checking primal-sieve v0.2.7
Dec 18 07:14:00.507 INFO [stderr]     Checking primal-check v0.2.2
Dec 18 07:14:01.731 INFO [stderr]     Checking primal v0.2.3
Dec 18 07:14:02.022 INFO [stderr]     Checking euler_solutions v0.1.0 (/opt/crater/workdir)
Dec 18 07:14:02.635 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 18 07:14:02.635 INFO [stderr]  --> src/main.rs:1:12
Dec 18 07:14:02.635 INFO [stderr]   |
Dec 18 07:14:02.635 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 18 07:14:02.635 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 18 07:14:02.635 INFO [stderr]   |
Dec 18 07:14:02.635 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 07:14:02.635 INFO [stderr] 
Dec 18 07:14:02.728 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 18 07:14:02.728 INFO [stderr]  --> src/main.rs:1:12
Dec 18 07:14:02.728 INFO [stderr]   |
Dec 18 07:14:02.728 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 18 07:14:02.728 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 18 07:14:02.728 INFO [stderr]   |
Dec 18 07:14:02.728 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 07:14:02.728 INFO [stderr] 
Dec 18 07:14:02.767 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
Dec 18 07:14:03.070 INFO running `"docker" "inspect" "b23a487e17fec3f75add170c625be67ebceee1785a526d4b2f0bdf7b8fe7947d"`
Dec 18 07:14:03.148 INFO running `"docker" "rm" "-f" "b23a487e17fec3f75add170c625be67ebceee1785a526d4b2f0bdf7b8fe7947d"`
Dec 18 07:14:03.230 INFO [stdout] b23a487e17fec3f75add170c625be67ebceee1785a526d4b2f0bdf7b8fe7947d