Sep 02 13:56:02.706 INFO checking funfun-0.2.4 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 13:56:02.707 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 13:56:02.707 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 13:56:02.890 INFO blam! 1f7a03b1cae439d391864122cf6df3434e5b49b4581e5af4d33af129260e26d7
Sep 02 13:56:02.891 INFO running `"docker" "start" "-a" "1f7a03b1cae439d391864122cf6df3434e5b49b4581e5af4d33af129260e26d7"`
Sep 02 13:56:03.471 INFO kablam!     Checking funfun v0.2.4 (file:///source)
Sep 02 13:56:03.872 INFO kablam! warning: unused import: `std::fmt`
Sep 02 13:56:03.872 INFO kablam!  --> src/lib.rs:2:5
Sep 02 13:56:03.872 INFO kablam!   |
Sep 02 13:56:03.872 INFO kablam! 2 | use std::fmt;
Sep 02 13:56:03.872 INFO kablam!   |     ^^^^^^^^
Sep 02 13:56:03.872 INFO kablam!   |
Sep 02 13:56:03.872 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 13:56:03.872 INFO kablam! 
Sep 02 13:56:04.090 INFO kablam! warning: unused import: `std::fmt`
Sep 02 13:56:04.090 INFO kablam!  --> src/lib.rs:2:5
Sep 02 13:56:04.090 INFO kablam!   |
Sep 02 13:56:04.090 INFO kablam! 2 | use std::fmt;
Sep 02 13:56:04.090 INFO kablam!   |     ^^^^^^^^
Sep 02 13:56:04.090 INFO kablam!   |
Sep 02 13:56:04.090 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 13:56:04.090 INFO kablam! 
Sep 02 13:56:04.206 INFO kablam! warning: unused variable: `d`
Sep 02 13:56:04.206 INFO kablam!    --> src/lib.rs:104:14
Sep 02 13:56:04.206 INFO kablam!     |
Sep 02 13:56:04.206 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Sep 02 13:56:04.206 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 02 13:56:04.206 INFO kablam!     |
Sep 02 13:56:04.206 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 13:56:04.206 INFO kablam! 
Sep 02 13:56:04.206 INFO kablam! warning: unused variable: `d`
Sep 02 13:56:04.206 INFO kablam!    --> src/lib.rs:127:14
Sep 02 13:56:04.206 INFO kablam!     |
Sep 02 13:56:04.206 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Sep 02 13:56:04.206 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 02 13:56:04.207 INFO kablam! 
Sep 02 13:56:04.249 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 13:56:04.249 INFO kablam!    --> src/lib.rs:147:13
Sep 02 13:56:04.249 INFO kablam!     |
Sep 02 13:56:04.250 INFO kablam! 147 |             res.join();
Sep 02 13:56:04.250 INFO kablam!     |             ^^^^^^^^^^^
Sep 02 13:56:04.250 INFO kablam!     |
Sep 02 13:56:04.250 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 02 13:56:04.250 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 13:56:04.250 INFO kablam! 
Sep 02 13:56:04.250 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 13:56:04.250 INFO kablam!    --> src/lib.rs:165:13
Sep 02 13:56:04.250 INFO kablam!     |
Sep 02 13:56:04.250 INFO kablam! 165 |             res.join();
Sep 02 13:56:04.250 INFO kablam!     |             ^^^^^^^^^^^
Sep 02 13:56:04.250 INFO kablam!     |
Sep 02 13:56:04.250 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 13:56:04.250 INFO kablam! 
Sep 02 13:56:04.264 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Sep 02 13:56:04.266 INFO kablam! su: No module specific data is present
Sep 02 13:56:04.625 INFO running `"docker" "rm" "-f" "1f7a03b1cae439d391864122cf6df3434e5b49b4581e5af4d33af129260e26d7"`
Sep 02 13:56:04.750 INFO blam! 1f7a03b1cae439d391864122cf6df3434e5b49b4581e5af4d33af129260e26d7