Dec 01 01:12:06.856 INFO testing stephen-lazaro/reuler against 1.30.1 for beta-1.31-5
Dec 01 01:12:06.858 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 01:12:07.489 INFO [stdout] 52e41f6e539a55f0fa2e6045e2065155e84b59ebf8af2803f97950898cd13369
Dec 01 01:12:07.492 INFO running `"docker" "start" "-a" "52e41f6e539a55f0fa2e6045e2065155e84b59ebf8af2803f97950898cd13369"`
Dec 01 01:12:09.475 INFO [stderr] usermod: no changes
Dec 01 01:12:09.555 INFO [stderr]    Compiling itertools v0.7.3
Dec 01 01:12:11.923 INFO [stderr]    Compiling reuler v0.1.0 (/source)
Dec 01 01:12:12.043 INFO [stderr] warning: unknown lint: `unused_import`
Dec 01 01:12:12.043 INFO [stderr]  --> src/lib.rs:5:9
Dec 01 01:12:12.043 INFO [stderr]   |
Dec 01 01:12:12.043 INFO [stderr] 5 | #[allow(unused_import)]
Dec 01 01:12:12.043 INFO [stderr]   |         ^^^^^^^^^^^^^
Dec 01 01:12:12.043 INFO [stderr]   |
Dec 01 01:12:12.043 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 01 01:12:12.043 INFO [stderr] 
Dec 01 01:12:12.287 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 01:12:12.287 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 01:12:12.287 INFO [stderr]   |
Dec 01 01:12:12.287 INFO [stderr] 1 | #![feature(inclusive_range_syntax)]
Dec 01 01:12:12.287 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:12:12.287 INFO [stderr] 
Dec 01 01:12:12.287 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 01:12:12.287 INFO [stderr]  --> src/lib.rs:2:1
Dec 01 01:12:12.287 INFO [stderr]   |
Dec 01 01:12:12.287 INFO [stderr] 2 | #![feature(iterator_step_by)]
Dec 01 01:12:12.287 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 01:12:12.287 INFO [stderr] 
Dec 01 01:12:12.287 INFO [stderr] error: aborting due to 2 previous errors
Dec 01 01:12:12.287 INFO [stderr] 
Dec 01 01:12:12.287 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 01:12:12.293 INFO [stderr] error: Could not compile `reuler`.
Dec 01 01:12:12.293 INFO [stderr] 
Dec 01 01:12:12.293 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 01:12:12.293 INFO [stderr] su: No module specific data is present
Dec 01 01:12:13.817 INFO running `"docker" "inspect" "52e41f6e539a55f0fa2e6045e2065155e84b59ebf8af2803f97950898cd13369"`
Dec 01 01:12:14.107 INFO running `"docker" "rm" "-f" "52e41f6e539a55f0fa2e6045e2065155e84b59ebf8af2803f97950898cd13369"`
Dec 01 01:12:14.499 INFO [stdout] 52e41f6e539a55f0fa2e6045e2065155e84b59ebf8af2803f97950898cd13369
