Sep 10 03:49:06.556 INFO checking jvns/rust-bcc against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 03:49:06.556 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 03:49:06.556 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 03:49:06.763 INFO blam! 9edd1e591077ca3dd489a9c822a9d179082b3cd736de87e3a8f2b72522910dde
Sep 10 03:49:06.768 INFO running `"docker" "start" "-a" "9edd1e591077ca3dd489a9c822a9d179082b3cd736de87e3a8f2b72522910dde"`
Sep 10 03:49:08.661 INFO kablam! usermod: no changes
Sep 10 03:49:08.897 INFO kablam!    Compiling bindgen v0.31.3
Sep 10 03:49:08.897 INFO kablam!    Compiling regex-syntax v0.5.6
Sep 10 03:49:08.897 INFO kablam!    Compiling clang-sys v0.21.2
Sep 10 03:49:08.898 INFO kablam!    Compiling log v0.4.5
Sep 10 03:49:08.918 INFO kablam!    Compiling aho-corasick v0.6.8
Sep 10 03:49:08.918 INFO kablam!    Compiling libloading v0.4.3
Sep 10 03:49:08.918 INFO kablam!    Compiling syn v0.14.9
Sep 10 03:49:13.719 INFO kablam!    Compiling log v0.3.9
Sep 10 03:49:46.887 INFO kablam!    Compiling synstructure v0.9.0
Sep 10 03:49:51.515 INFO kablam!    Compiling regex v0.2.11
Sep 10 03:49:56.367 INFO kablam!    Compiling failure_derive v0.1.2
Sep 10 03:50:00.106 INFO kablam!     Checking failure v0.1.2
Sep 10 03:50:08.431 INFO kablam!    Compiling env_logger v0.4.3
Sep 10 03:50:33.759 INFO kablam!    Compiling bcc-sys v0.4.0
Sep 10 03:50:36.443 INFO kablam!     Checking bcc v0.0.4 (file:///source)
Sep 10 03:50:37.365 INFO kablam! warning: field is never used: `table`
Sep 10 03:50:37.365 INFO kablam!   --> src/perf.rs:51:5
Sep 10 03:50:37.365 INFO kablam!    |
Sep 10 03:50:37.365 INFO kablam! 51 |     table: Table,
Sep 10 03:50:37.365 INFO kablam!    |     ^^^^^^^^^^^^
Sep 10 03:50:37.365 INFO kablam!    |
Sep 10 03:50:37.365 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 03:50:37.365 INFO kablam! 
Sep 10 03:50:37.365 INFO kablam! warning: field is never used: `callbacks`
Sep 10 03:50:37.365 INFO kablam!   --> src/perf.rs:53:5
Sep 10 03:50:37.365 INFO kablam!    |
Sep 10 03:50:37.365 INFO kablam! 53 |     callbacks: Vec<Box<PerfCallback>>,
Sep 10 03:50:37.365 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 03:50:37.365 INFO kablam! 
Sep 10 03:50:37.495 INFO kablam! warning: field is never used: `table`
Sep 10 03:50:37.495 INFO kablam!   --> src/perf.rs:51:5
Sep 10 03:50:37.495 INFO kablam!    |
Sep 10 03:50:37.495 INFO kablam! 51 |     table: Table,
Sep 10 03:50:37.495 INFO kablam!    |     ^^^^^^^^^^^^
Sep 10 03:50:37.495 INFO kablam!    |
Sep 10 03:50:37.496 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 03:50:37.496 INFO kablam! 
Sep 10 03:50:37.496 INFO kablam! warning: field is never used: `callbacks`
Sep 10 03:50:37.496 INFO kablam!   --> src/perf.rs:53:5
Sep 10 03:50:37.496 INFO kablam!    |
Sep 10 03:50:37.496 INFO kablam! 53 |     callbacks: Vec<Box<PerfCallback>>,
Sep 10 03:50:37.496 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 03:50:37.497 INFO kablam! 
Sep 10 03:50:38.474 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
Sep 10 03:50:38.494 INFO kablam! su: No module specific data is present
Sep 10 03:50:40.331 INFO running `"docker" "rm" "-f" "9edd1e591077ca3dd489a9c822a9d179082b3cd736de87e3a8f2b72522910dde"`
Sep 10 03:50:40.449 INFO blam! 9edd1e591077ca3dd489a9c822a9d179082b3cd736de87e3a8f2b72522910dde