Oct 26 20:54:07.579 INFO checking simbo1905/extension_methods against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 26 20:54:07.579 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 26 20:54:08.092 INFO blam! d2cb8bf15f736332d135ed8c9657568ea3e83c4a697fc874964236cfdf964edd
Oct 26 20:54:08.094 INFO running `"docker" "start" "-a" "d2cb8bf15f736332d135ed8c9657568ea3e83c4a697fc874964236cfdf964edd"`
Oct 26 20:54:09.854 INFO kablam! usermod: no changes
Oct 26 20:54:09.979 INFO kablam!     Checking serde v1.0.10
Oct 26 20:54:09.979 INFO kablam!     Checking some_library v0.1.0 (/source/some_library)
Oct 26 20:54:09.979 INFO kablam!    Compiling serde_derive v1.0.10
Oct 26 20:54:24.258 INFO kablam!     Checking serde_json v1.0.2
Oct 26 20:54:26.732 INFO kablam!     Checking some_extension v0.1.0 (/source/some_extension)
Oct 26 20:54:27.007 INFO kablam! warning: the trait `JSON` cannot be made into an object
Oct 26 20:54:27.007 INFO kablam!   --> some_extension/src/lib.rs:39:5
Oct 26 20:54:27.007 INFO kablam!    |
Oct 26 20:54:27.007 INFO kablam! 39 | /     fn to_json(&self) -> String
Oct 26 20:54:27.007 INFO kablam! 40 | |             where Self: Serialize {
Oct 26 20:54:27.007 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Oct 26 20:54:27.007 INFO kablam! 42 | |     }
Oct 26 20:54:27.007 INFO kablam!    | |_____^
Oct 26 20:54:27.007 INFO kablam!    |
Oct 26 20:54:27.007 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 26 20:54:27.008 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 26 20:54:27.008 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 26 20:54:27.008 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Oct 26 20:54:27.008 INFO kablam! 
Oct 26 20:54:27.114 INFO kablam!     Checking extension_methods v0.1.0 (/source)
Oct 26 20:54:28.115 INFO kablam! warning: the trait `some_extension::JSON` cannot be made into an object
Oct 26 20:54:28.115 INFO kablam!   --> /source/some_extension/src/lib.rs:39:5
Oct 26 20:54:28.116 INFO kablam!    |
Oct 26 20:54:28.116 INFO kablam! 39 | /     fn to_json(&self) -> String
Oct 26 20:54:28.117 INFO kablam! 40 | |             where Self: Serialize {
Oct 26 20:54:28.117 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Oct 26 20:54:28.117 INFO kablam! 42 | |     }
Oct 26 20:54:28.118 INFO kablam!    | |_____^
Oct 26 20:54:28.118 INFO kablam!    |
Oct 26 20:54:28.118 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 26 20:54:28.119 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 26 20:54:28.119 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 26 20:54:28.119 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Oct 26 20:54:28.120 INFO kablam! 
Oct 26 20:54:28.159 INFO kablam! warning: the trait `some_extension::JSON` cannot be made into an object
Oct 26 20:54:28.159 INFO kablam!   --> /source/some_extension/src/lib.rs:39:5
Oct 26 20:54:28.159 INFO kablam!    |
Oct 26 20:54:28.159 INFO kablam! 39 | /     fn to_json(&self) -> String
Oct 26 20:54:28.159 INFO kablam! 40 | |             where Self: Serialize {
Oct 26 20:54:28.159 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Oct 26 20:54:28.159 INFO kablam! 42 | |     }
Oct 26 20:54:28.159 INFO kablam!    | |_____^
Oct 26 20:54:28.159 INFO kablam!    |
Oct 26 20:54:28.159 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 26 20:54:28.159 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 26 20:54:28.159 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 26 20:54:28.160 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Oct 26 20:54:28.160 INFO kablam! 
Oct 26 20:54:28.256 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.36s
Oct 26 20:54:28.259 INFO kablam! su: No module specific data is present
Oct 26 20:54:29.787 INFO running `"docker" "rm" "-f" "d2cb8bf15f736332d135ed8c9657568ea3e83c4a697fc874964236cfdf964edd"`
Oct 26 20:54:30.143 INFO blam! d2cb8bf15f736332d135ed8c9657568ea3e83c4a697fc874964236cfdf964edd