Nov 02 11:50:37.446 INFO checking kk1fff/backprop against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 11:50:37.447 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11:50:37.898 INFO blam! f500c01d12b224efc0b3299184f7115fa4dbca39dcd60e233f599cf2dc191588
Nov 02 11:50:37.900 INFO running `"docker" "start" "-a" "f500c01d12b224efc0b3299184f7115fa4dbca39dcd60e233f599cf2dc191588"`
Nov 02 11:50:39.095 INFO kablam! usermod: no changes
Nov 02 11:50:39.127 INFO kablam!     Checking backprop v0.1.0 (/source)
Nov 02 11:50:39.646 INFO kablam! warning: field is never used: `name`
Nov 02 11:50:39.646 INFO kablam!   --> src/main.rs:46:5
Nov 02 11:50:39.646 INFO kablam!    |
Nov 02 11:50:39.646 INFO kablam! 46 |     name: String,
Nov 02 11:50:39.646 INFO kablam!    |     ^^^^^^^^^^^^
Nov 02 11:50:39.646 INFO kablam!    |
Nov 02 11:50:39.646 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 11:50:39.646 INFO kablam! 
Nov 02 11:50:39.652 INFO kablam! warning: field is never used: `name`
Nov 02 11:50:39.652 INFO kablam!   --> src/main.rs:93:5
Nov 02 11:50:39.652 INFO kablam!    |
Nov 02 11:50:39.652 INFO kablam! 93 |     name: String,
Nov 02 11:50:39.652 INFO kablam!    |     ^^^^^^^^^^^^
Nov 02 11:50:39.652 INFO kablam! 
Nov 02 11:50:39.652 INFO kablam! warning: field is never used: `op_set`
Nov 02 11:50:39.652 INFO kablam!   --> src/main.rs:94:5
Nov 02 11:50:39.652 INFO kablam!    |
Nov 02 11:50:39.652 INFO kablam! 94 |     op_set: HashSet<String>,
Nov 02 11:50:39.652 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 11:50:39.652 INFO kablam! 
Nov 02 11:50:39.800 INFO kablam! warning: field is never used: `name`
Nov 02 11:50:39.800 INFO kablam!   --> src/main.rs:46:5
Nov 02 11:50:39.800 INFO kablam!    |
Nov 02 11:50:39.800 INFO kablam! 46 |     name: String,
Nov 02 11:50:39.800 INFO kablam!    |     ^^^^^^^^^^^^
Nov 02 11:50:39.800 INFO kablam!    |
Nov 02 11:50:39.800 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 11:50:39.800 INFO kablam! 
Nov 02 11:50:39.800 INFO kablam! warning: field is never used: `name`
Nov 02 11:50:39.800 INFO kablam!   --> src/main.rs:93:5
Nov 02 11:50:39.800 INFO kablam!    |
Nov 02 11:50:39.800 INFO kablam! 93 |     name: String,
Nov 02 11:50:39.800 INFO kablam!    |     ^^^^^^^^^^^^
Nov 02 11:50:39.801 INFO kablam! 
Nov 02 11:50:39.801 INFO kablam! warning: field is never used: `op_set`
Nov 02 11:50:39.801 INFO kablam!   --> src/main.rs:94:5
Nov 02 11:50:39.801 INFO kablam!    |
Nov 02 11:50:39.801 INFO kablam! 94 |     op_set: HashSet<String>,
Nov 02 11:50:39.801 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 11:50:39.801 INFO kablam! 
Nov 02 11:50:39.839 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Nov 02 11:50:39.842 INFO kablam! su: No module specific data is present
Nov 02 11:50:40.564 INFO running `"docker" "rm" "-f" "f500c01d12b224efc0b3299184f7115fa4dbca39dcd60e233f599cf2dc191588"`
Nov 02 11:50:40.808 INFO blam! f500c01d12b224efc0b3299184f7115fa4dbca39dcd60e233f599cf2dc191588