Dec 04 07:55:46.098 INFO checking ubsan/z80 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 07:55:46.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 07:55:46.632 INFO [stdout] cbd22fbb8240307559ea698366f5f8d3c10d877cba75324fea16744720a6976e
Dec 04 07:55:46.632 INFO running `"docker" "start" "-a" "cbd22fbb8240307559ea698366f5f8d3c10d877cba75324fea16744720a6976e"`
Dec 04 07:55:47.967 INFO [stderr] usermod: no changes
Dec 04 07:55:48.051 INFO [stderr]     Checking atty v0.2.2
Dec 04 07:55:48.052 INFO [stderr]     Checking term_size v0.3.0
Dec 04 07:55:48.052 INFO [stderr]     Checking nix v0.5.1
Dec 04 07:55:48.654 INFO [stderr]     Checking clap v2.23.3
Dec 04 07:55:52.099 INFO [stderr]     Checking rustyline v1.0.0
Dec 04 07:55:56.996 INFO [stderr]     Checking retro v0.1.2 (/source)
Dec 04 07:55:57.583 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 04 07:55:57.583 INFO [stderr]   --> src/chip/mod.rs:58:33
Dec 04 07:55:57.584 INFO [stderr]    |
Dec 04 07:55:57.584 INFO [stderr] 58 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 04 07:55:57.584 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 04 07:55:57.585 INFO [stderr]    |
Dec 04 07:55:57.585 INFO [stderr]    = note: #[warn(unstable_name_collisions)] on by default
Dec 04 07:55:57.585 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 04 07:55:57.585 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 04 07:55:57.586 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 04 07:55:57.586 INFO [stderr]    = help: add #![feature(wrapping_int_impl)] to the crate attributes to enable `core::num::wrapping::<impl std::num::Wrapping<u8>>::count_ones`
Dec 04 07:55:57.586 INFO [stderr] 
Dec 04 07:55:57.591 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 04 07:55:57.591 INFO [stderr]   --> src/chip/mod.rs:62:33
Dec 04 07:55:57.592 INFO [stderr]    |
Dec 04 07:55:57.592 INFO [stderr] 62 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 04 07:55:57.592 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 04 07:55:57.592 INFO [stderr]    |
Dec 04 07:55:57.593 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 04 07:55:57.593 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 04 07:55:57.593 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 04 07:55:57.594 INFO [stderr]    = help: add #![feature(wrapping_int_impl)] to the crate attributes to enable `core::num::wrapping::<impl std::num::Wrapping<u8>>::count_ones`
Dec 04 07:55:57.594 INFO [stderr] 
Dec 04 07:55:57.594 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 04 07:55:57.595 INFO [stderr]   --> src/chip/mod.rs:66:33
Dec 04 07:55:57.595 INFO [stderr]    |
Dec 04 07:55:57.595 INFO [stderr] 66 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 04 07:55:57.596 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 04 07:55:57.596 INFO [stderr]    |
Dec 04 07:55:57.596 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 04 07:55:57.597 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 04 07:55:57.597 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 04 07:55:57.597 INFO [stderr]    = help: add #![feature(wrapping_int_impl)] to the crate attributes to enable `core::num::wrapping::<impl std::num::Wrapping<u8>>::count_ones`
Dec 04 07:55:57.597 INFO [stderr] 
Dec 04 07:55:57.640 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 04 07:55:57.640 INFO [stderr]   --> src/chip/mod.rs:58:33
Dec 04 07:55:57.640 INFO [stderr]    |
Dec 04 07:55:57.640 INFO [stderr] 58 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 04 07:55:57.640 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 04 07:55:57.640 INFO [stderr]    |
Dec 04 07:55:57.640 INFO [stderr]    = note: #[warn(unstable_name_collisions)] on by default
Dec 04 07:55:57.640 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 04 07:55:57.640 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 04 07:55:57.640 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 04 07:55:57.640 INFO [stderr]    = help: add #![feature(wrapping_int_impl)] to the crate attributes to enable `core::num::wrapping::<impl std::num::Wrapping<u8>>::count_ones`
Dec 04 07:55:57.640 INFO [stderr] 
Dec 04 07:55:57.640 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 04 07:55:57.640 INFO [stderr]   --> src/chip/mod.rs:62:33
Dec 04 07:55:57.640 INFO [stderr]    |
Dec 04 07:55:57.640 INFO [stderr] 62 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 04 07:55:57.640 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 04 07:55:57.640 INFO [stderr]    |
Dec 04 07:55:57.640 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 04 07:55:57.640 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 04 07:55:57.640 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 04 07:55:57.641 INFO [stderr]    = help: add #![feature(wrapping_int_impl)] to the crate attributes to enable `core::num::wrapping::<impl std::num::Wrapping<u8>>::count_ones`
Dec 04 07:55:57.641 INFO [stderr] 
Dec 04 07:55:57.641 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 04 07:55:57.641 INFO [stderr]   --> src/chip/mod.rs:66:33
Dec 04 07:55:57.641 INFO [stderr]    |
Dec 04 07:55:57.641 INFO [stderr] 66 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 04 07:55:57.641 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 04 07:55:57.641 INFO [stderr]    |
Dec 04 07:55:57.641 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 04 07:55:57.641 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 04 07:55:57.641 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 04 07:55:57.641 INFO [stderr]    = help: add #![feature(wrapping_int_impl)] to the crate attributes to enable `core::num::wrapping::<impl std::num::Wrapping<u8>>::count_ones`
Dec 04 07:55:57.641 INFO [stderr] 
Dec 04 07:55:57.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.98s
Dec 04 07:55:57.975 INFO [stderr] su: No module specific data is present
Dec 04 07:55:59.045 INFO running `"docker" "inspect" "cbd22fbb8240307559ea698366f5f8d3c10d877cba75324fea16744720a6976e"`
Dec 04 07:55:59.404 INFO running `"docker" "rm" "-f" "cbd22fbb8240307559ea698366f5f8d3c10d877cba75324fea16744720a6976e"`
Dec 04 07:55:59.831 INFO [stdout] cbd22fbb8240307559ea698366f5f8d3c10d877cba75324fea16744720a6976e