Dec 17 19:37:20.138 INFO checking milesand/calculator-the-solver against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:37:20.138 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/milesand/calculator-the-solver:/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 17 19:37:20.351 INFO [stdout] 143165eea4be9877f07adc640d2ca64ee9f388ee861cb67f92084069404f75c1
Dec 17 19:37:20.353 INFO running `"docker" "start" "-a" "143165eea4be9877f07adc640d2ca64ee9f388ee861cb67f92084069404f75c1"`
Dec 17 19:37:20.904 INFO [stderr]     Checking libc v0.2.35
Dec 17 19:37:21.892 INFO [stderr]     Checking rand v0.4.2
Dec 17 19:37:21.892 INFO [stderr]     Checking memchr v2.0.1
Dec 17 19:37:22.472 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 17 19:37:23.261 INFO [stderr]     Checking regex v0.2.5
Dec 17 19:37:24.348 INFO [stderr]     Checking rand v0.3.22
Dec 17 19:37:24.644 INFO [stderr]     Checking num-bigint v0.1.41
Dec 17 19:37:26.871 INFO [stderr]     Checking num-rational v0.1.41
Dec 17 19:37:27.409 INFO [stderr]     Checking num v0.1.41
Dec 17 19:37:27.668 INFO [stderr]     Checking calculator-the-solver v0.0.1 (/opt/crater/workdir)
Dec 17 19:37:28.448 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 17 19:37:28.448 INFO [stderr]  --> src/lib.rs:1:12
Dec 17 19:37:28.448 INFO [stderr]   |
Dec 17 19:37:28.448 INFO [stderr] 1 | #![feature(option_filter)]
Dec 17 19:37:28.448 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 17 19:37:28.448 INFO [stderr]   |
Dec 17 19:37:28.448 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 19:37:28.448 INFO [stderr] 
Dec 17 19:37:28.896 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 17 19:37:28.896 INFO [stderr]  --> src/lib.rs:1:12
Dec 17 19:37:28.896 INFO [stderr]   |
Dec 17 19:37:28.896 INFO [stderr] 1 | #![feature(option_filter)]
Dec 17 19:37:28.896 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 17 19:37:28.896 INFO [stderr]   |
Dec 17 19:37:28.896 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 19:37:28.896 INFO [stderr] 
Dec 17 19:37:29.044 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.19s
Dec 17 19:37:29.582 INFO running `"docker" "inspect" "143165eea4be9877f07adc640d2ca64ee9f388ee861cb67f92084069404f75c1"`
Dec 17 19:37:29.900 INFO running `"docker" "rm" "-f" "143165eea4be9877f07adc640d2ca64ee9f388ee861cb67f92084069404f75c1"`
Dec 17 19:37:30.176 INFO [stdout] 143165eea4be9877f07adc640d2ca64ee9f388ee861cb67f92084069404f75c1