Dec 11 07:03:31.048 INFO checking ubsan/z80 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:03:31.048 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 07:03:31.518 INFO [stdout] 4010e6853787665f9502cd737df222c31a2f2292561607f53e71e9d6ca3a2a8e
Dec 11 07:03:31.520 INFO running `"docker" "start" "-a" "4010e6853787665f9502cd737df222c31a2f2292561607f53e71e9d6ca3a2a8e"`
Dec 11 07:03:33.983 INFO [stderr] usermod: no changes
Dec 11 07:03:34.096 INFO [stderr]     Checking vec_map v0.7.0
Dec 11 07:03:34.100 INFO [stderr]     Checking term_size v0.3.0
Dec 11 07:03:34.100 INFO [stderr]     Checking nix v0.5.1
Dec 11 07:03:34.100 INFO [stderr]     Checking atty v0.2.2
Dec 11 07:03:35.134 INFO [stderr]     Checking clap v2.23.3
Dec 11 07:03:39.681 INFO [stderr]     Checking rustyline v1.0.0
Dec 11 07:03:43.237 INFO [stderr]     Checking retro v0.1.2 (/source)
Dec 11 07:03:43.780 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 11 07:03:43.780 INFO [stderr]   --> src/chip/mod.rs:58:33
Dec 11 07:03:43.780 INFO [stderr]    |
Dec 11 07:03:43.780 INFO [stderr] 58 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 11 07:03:43.780 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 11 07:03:43.780 INFO [stderr]    |
Dec 11 07:03:43.780 INFO [stderr]    = note: #[warn(unstable_name_collisions)] on by default
Dec 11 07:03:43.780 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 11 07:03:43.780 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 11 07:03:43.780 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 11 07:03:43.780 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 11 07:03:43.780 INFO [stderr] 
Dec 11 07:03:43.781 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 11 07:03:43.781 INFO [stderr]   --> src/chip/mod.rs:58:33
Dec 11 07:03:43.781 INFO [stderr]    |
Dec 11 07:03:43.781 INFO [stderr] 58 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 11 07:03:43.781 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 11 07:03:43.781 INFO [stderr]    |
Dec 11 07:03:43.781 INFO [stderr]    = note: #[warn(unstable_name_collisions)] on by default
Dec 11 07:03:43.781 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 11 07:03:43.781 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 11 07:03:43.781 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 11 07:03:43.781 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 11 07:03:43.781 INFO [stderr] 
Dec 11 07:03:43.792 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 11 07:03:43.792 INFO [stderr]   --> src/chip/mod.rs:62:33
Dec 11 07:03:43.792 INFO [stderr]    |
Dec 11 07:03:43.792 INFO [stderr] 62 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 11 07:03:43.792 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 11 07:03:43.792 INFO [stderr]    |
Dec 11 07:03:43.792 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 11 07:03:43.792 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 11 07:03:43.792 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 11 07:03:43.792 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 11 07:03:43.792 INFO [stderr] 
Dec 11 07:03:43.792 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 11 07:03:43.792 INFO [stderr]   --> src/chip/mod.rs:66:33
Dec 11 07:03:43.792 INFO [stderr]    |
Dec 11 07:03:43.792 INFO [stderr] 66 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 11 07:03:43.792 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 11 07:03:43.792 INFO [stderr]    |
Dec 11 07:03:43.792 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 11 07:03:43.792 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 11 07:03:43.792 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 11 07:03:43.792 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 11 07:03:43.792 INFO [stderr] 
Dec 11 07:03:43.800 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 11 07:03:43.800 INFO [stderr]   --> src/chip/mod.rs:62:33
Dec 11 07:03:43.800 INFO [stderr]    |
Dec 11 07:03:43.800 INFO [stderr] 62 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 11 07:03:43.800 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 11 07:03:43.800 INFO [stderr]    |
Dec 11 07:03:43.800 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 11 07:03:43.800 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 11 07:03:43.800 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 11 07:03:43.800 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 11 07:03:43.800 INFO [stderr] 
Dec 11 07:03:43.800 INFO [stderr] warning: a method with this name may be added to the standard library in the future
Dec 11 07:03:43.800 INFO [stderr]   --> src/chip/mod.rs:66:33
Dec 11 07:03:43.800 INFO [stderr]    |
Dec 11 07:03:43.800 INFO [stderr] 66 |         (res, false, false, res.count_ones() % 2 == 0)
Dec 11 07:03:43.800 INFO [stderr]    |                                 ^^^^^^^^^^
Dec 11 07:03:43.800 INFO [stderr]    |
Dec 11 07:03:43.800 INFO [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
Dec 11 07:03:43.800 INFO [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
Dec 11 07:03:43.800 INFO [stderr]    = help: call with fully qualified syntax `wrapping::Extensions::count_ones(...)` to keep using the current method
Dec 11 07:03:43.800 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 11 07:03:43.800 INFO [stderr] 
Dec 11 07:03:44.117 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.09s
Dec 11 07:03:44.129 INFO [stderr] su: No module specific data is present
Dec 11 07:03:45.356 INFO running `"docker" "inspect" "4010e6853787665f9502cd737df222c31a2f2292561607f53e71e9d6ca3a2a8e"`
Dec 11 07:03:45.652 INFO running `"docker" "rm" "-f" "4010e6853787665f9502cd737df222c31a2f2292561607f53e71e9d6ca3a2a8e"`
Dec 11 07:03:45.908 INFO [stdout] 4010e6853787665f9502cd737df222c31a2f2292561607f53e71e9d6ca3a2a8e