Oct 21 13:46:21.011 INFO checking simbo1905/extension_methods against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 13:46:21.011 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-7/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 13:46:21.524 INFO blam! a78e3614688b76db33901b20c51ca3ecc369f58c88ffd00d9218a1657670ee40
Oct 21 13:46:21.526 INFO running `"docker" "start" "-a" "a78e3614688b76db33901b20c51ca3ecc369f58c88ffd00d9218a1657670ee40"`
Oct 21 13:46:23.627 INFO kablam! usermod: no changes
Oct 21 13:46:23.810 INFO kablam!     Checking serde v1.0.10
Oct 21 13:46:23.811 INFO kablam!     Checking some_library v0.1.0 (/source/some_library)
Oct 21 13:46:23.811 INFO kablam!    Compiling serde_derive v1.0.10
Oct 21 13:46:39.596 INFO kablam!     Checking serde_json v1.0.2
Oct 21 13:46:42.000 INFO kablam!     Checking some_extension v0.1.0 (/source/some_extension)
Oct 21 13:46:42.308 INFO kablam! warning: the trait `JSON` cannot be made into an object
Oct 21 13:46:42.308 INFO kablam!   --> some_extension/src/lib.rs:39:5
Oct 21 13:46:42.308 INFO kablam!    |
Oct 21 13:46:42.308 INFO kablam! 39 | /     fn to_json(&self) -> String
Oct 21 13:46:42.308 INFO kablam! 40 | |             where Self: Serialize {
Oct 21 13:46:42.308 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Oct 21 13:46:42.308 INFO kablam! 42 | |     }
Oct 21 13:46:42.308 INFO kablam!    | |_____^
Oct 21 13:46:42.308 INFO kablam!    |
Oct 21 13:46:42.309 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 21 13:46:42.309 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 21 13:46:42.309 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 21 13:46:42.309 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Oct 21 13:46:42.309 INFO kablam! 
Oct 21 13:46:42.405 INFO kablam!     Checking extension_methods v0.1.0 (/source)
Oct 21 13:46:43.445 INFO kablam! warning: the trait `some_extension::JSON` cannot be made into an object
Oct 21 13:46:43.445 INFO kablam!   --> /source/some_extension/src/lib.rs:39:5
Oct 21 13:46:43.446 INFO kablam!    |
Oct 21 13:46:43.447 INFO kablam! 39 | /     fn to_json(&self) -> String
Oct 21 13:46:43.447 INFO kablam! 40 | |             where Self: Serialize {
Oct 21 13:46:43.447 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Oct 21 13:46:43.447 INFO kablam! 42 | |     }
Oct 21 13:46:43.448 INFO kablam!    | |_____^
Oct 21 13:46:43.465 INFO kablam!    |
Oct 21 13:46:43.466 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 21 13:46:43.468 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 21 13:46:43.469 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 21 13:46:43.469 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Oct 21 13:46:43.469 INFO kablam! 
Oct 21 13:46:43.521 INFO kablam! warning: the trait `some_extension::JSON` cannot be made into an object
Oct 21 13:46:43.522 INFO kablam!   --> /source/some_extension/src/lib.rs:39:5
Oct 21 13:46:43.522 INFO kablam!    |
Oct 21 13:46:43.523 INFO kablam! 39 | /     fn to_json(&self) -> String
Oct 21 13:46:43.524 INFO kablam! 40 | |             where Self: Serialize {
Oct 21 13:46:43.524 INFO kablam! 41 | |         return serde_json::to_string(&self).unwrap();
Oct 21 13:46:43.524 INFO kablam! 42 | |     }
Oct 21 13:46:43.524 INFO kablam!    | |_____^
Oct 21 13:46:43.525 INFO kablam!    |
Oct 21 13:46:43.525 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 21 13:46:43.525 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 21 13:46:43.526 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 21 13:46:43.526 INFO kablam!    = note: method `to_json` references the `Self` type in where clauses
Oct 21 13:46:43.526 INFO kablam! 
Oct 21 13:46:43.613 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.95s
Oct 21 13:46:43.621 INFO kablam! su: No module specific data is present
Oct 21 13:46:44.904 INFO running `"docker" "rm" "-f" "a78e3614688b76db33901b20c51ca3ecc369f58c88ffd00d9218a1657670ee40"`
Oct 21 13:46:45.196 INFO blam! a78e3614688b76db33901b20c51ca3ecc369f58c88ffd00d9218a1657670ee40