Nov 04 01:26:57.165 INFO checking padenot/trace-filtering against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 01:26:57.167 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 04 01:26:57.584 INFO blam! 3c19f3b98baeb8e44b42aab6ca39689930bb067701361723294a1db7b96c5401
Nov 04 01:26:57.604 INFO running `"docker" "start" "-a" "3c19f3b98baeb8e44b42aab6ca39689930bb067701361723294a1db7b96c5401"`
Nov 04 01:26:58.930 INFO kablam! usermod: no changes
Nov 04 01:26:59.067 INFO kablam!    Compiling syn v0.15.8
Nov 04 01:27:10.647 INFO kablam!    Compiling serde_derive v1.0.79
Nov 04 01:27:25.835 INFO kablam!     Checking trace-filtering v0.1.0 (/source)
Nov 04 01:27:26.267 INFO kablam! warning: unused import: `std::io::Read`
Nov 04 01:27:26.268 INFO kablam!  --> src/main.rs:7:5
Nov 04 01:27:26.268 INFO kablam!   |
Nov 04 01:27:26.268 INFO kablam! 7 | use std::io::Read;
Nov 04 01:27:26.269 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 04 01:27:26.269 INFO kablam!   |
Nov 04 01:27:26.269 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 01:27:26.269 INFO kablam! 
Nov 04 01:27:26.315 INFO kablam! warning: unused import: `std::io::Read`
Nov 04 01:27:26.316 INFO kablam!  --> src/main.rs:7:5
Nov 04 01:27:26.316 INFO kablam!   |
Nov 04 01:27:26.316 INFO kablam! 7 | use std::io::Read;
Nov 04 01:27:26.316 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 04 01:27:26.317 INFO kablam!   |
Nov 04 01:27:26.317 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 01:27:26.317 INFO kablam! 
Nov 04 01:27:26.428 INFO kablam! warning: unused variable: `duration`
Nov 04 01:27:26.428 INFO kablam!   --> src/main.rs:33:13
Nov 04 01:27:26.429 INFO kablam!    |
Nov 04 01:27:26.429 INFO kablam! 33 |     let mut duration = 0;
Nov 04 01:27:26.429 INFO kablam!    |             ^^^^^^^^ help: consider using `_duration` instead
Nov 04 01:27:26.429 INFO kablam!    |
Nov 04 01:27:26.430 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 01:27:26.430 INFO kablam! 
Nov 04 01:27:26.518 INFO kablam! warning: variable does not need to be mutable
Nov 04 01:27:26.518 INFO kablam!   --> src/main.rs:27:9
Nov 04 01:27:26.518 INFO kablam!    |
Nov 04 01:27:26.519 INFO kablam! 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Nov 04 01:27:26.519 INFO kablam!    |         ----^
Nov 04 01:27:26.519 INFO kablam!    |         |
Nov 04 01:27:26.519 INFO kablam!    |         help: remove this `mut`
Nov 04 01:27:26.519 INFO kablam!    |
Nov 04 01:27:26.519 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 01:27:26.519 INFO kablam! 
Nov 04 01:27:26.519 INFO kablam! warning: variable does not need to be mutable
Nov 04 01:27:26.519 INFO kablam!   --> src/main.rs:33:9
Nov 04 01:27:26.519 INFO kablam!    |
Nov 04 01:27:26.519 INFO kablam! 33 |     let mut duration = 0;
Nov 04 01:27:26.519 INFO kablam!    |         ----^^^^^^^^
Nov 04 01:27:26.519 INFO kablam!    |         |
Nov 04 01:27:26.519 INFO kablam!    |         help: remove this `mut`
Nov 04 01:27:26.522 INFO kablam! 
Nov 04 01:27:26.561 INFO kablam! warning: unused variable: `duration`
Nov 04 01:27:26.561 INFO kablam!   --> src/main.rs:33:13
Nov 04 01:27:26.561 INFO kablam!    |
Nov 04 01:27:26.561 INFO kablam! 33 |     let mut duration = 0;
Nov 04 01:27:26.561 INFO kablam!    |             ^^^^^^^^ help: consider using `_duration` instead
Nov 04 01:27:26.561 INFO kablam!    |
Nov 04 01:27:26.561 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 01:27:26.561 INFO kablam! 
Nov 04 01:27:26.721 INFO kablam! warning: variable does not need to be mutable
Nov 04 01:27:26.721 INFO kablam!   --> src/main.rs:27:9
Nov 04 01:27:26.721 INFO kablam!    |
Nov 04 01:27:26.721 INFO kablam! 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Nov 04 01:27:26.721 INFO kablam!    |         ----^
Nov 04 01:27:26.721 INFO kablam!    |         |
Nov 04 01:27:26.721 INFO kablam!    |         help: remove this `mut`
Nov 04 01:27:26.721 INFO kablam!    |
Nov 04 01:27:26.721 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 01:27:26.722 INFO kablam! 
Nov 04 01:27:26.722 INFO kablam! warning: variable does not need to be mutable
Nov 04 01:27:26.722 INFO kablam!   --> src/main.rs:33:9
Nov 04 01:27:26.722 INFO kablam!    |
Nov 04 01:27:26.722 INFO kablam! 33 |     let mut duration = 0;
Nov 04 01:27:26.722 INFO kablam!    |         ----^^^^^^^^
Nov 04 01:27:26.722 INFO kablam!    |         |
Nov 04 01:27:26.722 INFO kablam!    |         help: remove this `mut`
Nov 04 01:27:26.722 INFO kablam! 
Nov 04 01:27:26.791 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 27.83s
Nov 04 01:27:26.795 INFO kablam! su: No module specific data is present
Nov 04 01:27:27.907 INFO running `"docker" "rm" "-f" "3c19f3b98baeb8e44b42aab6ca39689930bb067701361723294a1db7b96c5401"`
Nov 04 01:27:28.249 INFO blam! 3c19f3b98baeb8e44b42aab6ca39689930bb067701361723294a1db7b96c5401