Oct 31 21:05:53.767 INFO checking simbo1905/extension_methods against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 21:05:53.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Oct 31 21:05:54.329 INFO blam! 030c879a6cdd792233f405ce9e19639cb77a5a483e6189937920a969a9111f30
Oct 31 21:05:54.348 INFO running `"docker" "start" "-a" "030c879a6cdd792233f405ce9e19639cb77a5a483e6189937920a969a9111f30"`
Oct 31 21:05:56.392 INFO kablam! usermod: no changes
Oct 31 21:05:56.544 INFO kablam!     Checking some_library v0.1.0 (/source/some_library)
Oct 31 21:05:56.572 INFO kablam!     Checking serde_json v1.0.2
Oct 31 21:05:59.361 INFO kablam!     Checking some_extension v0.1.0 (/source/some_extension)
Oct 31 21:05:59.741 INFO kablam! warning: the trait `JSON` cannot be made into an object
Oct 31 21:05:59.741 INFO kablam!   --> some_extension/src/lib.rs:39:5
Oct 31 21:05:59.741 INFO kablam!    |
Oct 31 21:05:59.742 INFO kablam! 39 | /     fn to_json(&self) -> String
Oct 31 21:05:59.742 INFO kablam! 40 | |             where Self: Serialize {
Oct 31 21:05:59.742 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Oct 31 21:05:59.743 INFO kablam! 42 | |     }
Oct 31 21:05:59.743 INFO kablam!    | |_____^
Oct 31 21:05:59.743 INFO kablam!    |
Oct 31 21:05:59.744 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 31 21:05:59.744 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Oct 31 21:05:59.748 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 31 21:05:59.749 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Oct 31 21:05:59.749 INFO kablam! 
Oct 31 21:05:59.852 INFO kablam!     Checking extension_methods v0.1.0 (/source)
Oct 31 21:06:00.699 INFO kablam! warning: the trait `some_extension::JSON` cannot be made into an object
Oct 31 21:06:00.699 INFO kablam!   --> /source/some_extension/src/lib.rs:39:5
Oct 31 21:06:00.699 INFO kablam!    |
Oct 31 21:06:00.700 INFO kablam! 39 | /     fn to_json(&self) -> String
Oct 31 21:06:00.700 INFO kablam! 40 | |             where Self: Serialize {
Oct 31 21:06:00.700 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Oct 31 21:06:00.700 INFO kablam! 42 | |     }
Oct 31 21:06:00.701 INFO kablam!    | |_____^
Oct 31 21:06:00.701 INFO kablam!    |
Oct 31 21:06:00.701 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 31 21:06:00.701 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Oct 31 21:06:00.702 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 31 21:06:00.702 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Oct 31 21:06:00.702 INFO kablam! 
Oct 31 21:06:00.712 INFO kablam! warning: the trait `some_extension::JSON` cannot be made into an object
Oct 31 21:06:00.713 INFO kablam!   --> /source/some_extension/src/lib.rs:39:5
Oct 31 21:06:00.713 INFO kablam!    |
Oct 31 21:06:00.713 INFO kablam! 39 | /     fn to_json(&self) -> String
Oct 31 21:06:00.713 INFO kablam! 40 | |             where Self: Serialize {
Oct 31 21:06:00.714 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Oct 31 21:06:00.714 INFO kablam! 42 | |     }
Oct 31 21:06:00.714 INFO kablam!    | |_____^
Oct 31 21:06:00.714 INFO kablam!    |
Oct 31 21:06:00.715 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 31 21:06:00.715 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Oct 31 21:06:00.715 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 31 21:06:00.715 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Oct 31 21:06:00.716 INFO kablam! 
Oct 31 21:06:00.812 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
Oct 31 21:06:00.816 INFO kablam! su: No module specific data is present
Oct 31 21:06:01.680 INFO running `"docker" "rm" "-f" "030c879a6cdd792233f405ce9e19639cb77a5a483e6189937920a969a9111f30"`
Oct 31 21:06:01.984 INFO blam! 030c879a6cdd792233f405ce9e19639cb77a5a483e6189937920a969a9111f30