Nov 02 06:33:31.921 INFO checking simbo1905/extension_methods against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 06:33:31.921 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-7/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 06:33:32.400 INFO blam! f0d57e617363be7d5e8406a8735f6c95dfba9ac8a3e94888ff08544af999e03a
Nov 02 06:33:32.405 INFO running `"docker" "start" "-a" "f0d57e617363be7d5e8406a8735f6c95dfba9ac8a3e94888ff08544af999e03a"`
Nov 02 06:33:33.424 INFO kablam! usermod: no changes
Nov 02 06:33:33.559 INFO kablam!     Checking some_library v0.1.0 (/source/some_library)
Nov 02 06:33:33.560 INFO kablam!     Checking serde_json v1.0.2
Nov 02 06:33:36.104 INFO kablam!     Checking some_extension v0.1.0 (/source/some_extension)
Nov 02 06:33:36.373 INFO kablam! warning: the trait `JSON` cannot be made into an object
Nov 02 06:33:36.373 INFO kablam!   --> some_extension/src/lib.rs:39:5
Nov 02 06:33:36.373 INFO kablam!    |
Nov 02 06:33:36.373 INFO kablam! 39 | /     fn to_json(&self) -> String
Nov 02 06:33:36.373 INFO kablam! 40 | |             where Self: Serialize {
Nov 02 06:33:36.373 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Nov 02 06:33:36.375 INFO kablam! 42 | |     }
Nov 02 06:33:36.375 INFO kablam!    | |_____^
Nov 02 06:33:36.375 INFO kablam!    |
Nov 02 06:33:36.375 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Nov 02 06:33:36.375 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!
Nov 02 06:33:36.375 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Nov 02 06:33:36.375 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Nov 02 06:33:36.376 INFO kablam! 
Nov 02 06:33:36.474 INFO kablam!     Checking extension_methods v0.1.0 (/source)
Nov 02 06:33:37.342 INFO kablam! warning: the trait `some_extension::JSON` cannot be made into an object
Nov 02 06:33:37.343 INFO kablam!   --> /source/some_extension/src/lib.rs:39:5
Nov 02 06:33:37.344 INFO kablam!    |
Nov 02 06:33:37.344 INFO kablam! 39 | /     fn to_json(&self) -> String
Nov 02 06:33:37.345 INFO kablam! 40 | |             where Self: Serialize {
Nov 02 06:33:37.345 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Nov 02 06:33:37.346 INFO kablam! 42 | |     }
Nov 02 06:33:37.347 INFO kablam!    | |_____^
Nov 02 06:33:37.347 INFO kablam!    |
Nov 02 06:33:37.348 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Nov 02 06:33:37.349 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!
Nov 02 06:33:37.349 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Nov 02 06:33:37.350 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Nov 02 06:33:37.350 INFO kablam! 
Nov 02 06:33:37.400 INFO kablam! warning: the trait `some_extension::JSON` cannot be made into an object
Nov 02 06:33:37.401 INFO kablam!   --> /source/some_extension/src/lib.rs:39:5
Nov 02 06:33:37.402 INFO kablam!    |
Nov 02 06:33:37.403 INFO kablam! 39 | /     fn to_json(&self) -> String
Nov 02 06:33:37.403 INFO kablam! 40 | |             where Self: Serialize {
Nov 02 06:33:37.404 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Nov 02 06:33:37.404 INFO kablam! 42 | |     }
Nov 02 06:33:37.405 INFO kablam!    | |_____^
Nov 02 06:33:37.406 INFO kablam!    |
Nov 02 06:33:37.406 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Nov 02 06:33:37.406 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!
Nov 02 06:33:37.406 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Nov 02 06:33:37.406 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Nov 02 06:33:37.406 INFO kablam! 
Nov 02 06:33:37.470 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
Nov 02 06:33:37.474 INFO kablam! su: No module specific data is present
Nov 02 06:33:39.172 INFO running `"docker" "rm" "-f" "f0d57e617363be7d5e8406a8735f6c95dfba9ac8a3e94888ff08544af999e03a"`
Nov 02 06:33:39.418 INFO blam! f0d57e617363be7d5e8406a8735f6c95dfba9ac8a3e94888ff08544af999e03a