Nov 02 08:58:29.754 INFO checking padenot/trace-filtering against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 08:58:29.754 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 08:58:30.179 INFO blam! cfbf39105738e818489aae647ae3a31d097a7580360d10127642efdf38b83d7b
Nov 02 08:58:30.186 INFO running `"docker" "start" "-a" "cfbf39105738e818489aae647ae3a31d097a7580360d10127642efdf38b83d7b"`
Nov 02 08:58:32.364 INFO kablam! usermod: no changes
Nov 02 08:58:32.520 INFO kablam!    Compiling syn v0.15.8
Nov 02 08:58:43.770 INFO kablam!    Compiling serde_derive v1.0.79
Nov 02 08:59:01.417 INFO kablam!     Checking trace-filtering v0.1.0 (/source)
Nov 02 08:59:01.968 INFO kablam! warning: unused import: `std::io::Read`
Nov 02 08:59:01.969 INFO kablam!  --> src/main.rs:7:5
Nov 02 08:59:01.969 INFO kablam!   |
Nov 02 08:59:01.969 INFO kablam! 7 | use std::io::Read;
Nov 02 08:59:01.970 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 02 08:59:01.970 INFO kablam!   |
Nov 02 08:59:01.970 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 08:59:01.971 INFO kablam! 
Nov 02 08:59:02.048 INFO kablam! warning: unused import: `std::io::Read`
Nov 02 08:59:02.049 INFO kablam!  --> src/main.rs:7:5
Nov 02 08:59:02.049 INFO kablam!   |
Nov 02 08:59:02.049 INFO kablam! 7 | use std::io::Read;
Nov 02 08:59:02.050 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 02 08:59:02.050 INFO kablam!   |
Nov 02 08:59:02.050 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 08:59:02.050 INFO kablam! 
Nov 02 08:59:02.168 INFO kablam! warning: unused variable: `duration`
Nov 02 08:59:02.169 INFO kablam!   --> src/main.rs:33:13
Nov 02 08:59:02.169 INFO kablam!    |
Nov 02 08:59:02.169 INFO kablam! 33 |     let mut duration = 0;
Nov 02 08:59:02.170 INFO kablam!    |             ^^^^^^^^ help: consider using `_duration` instead
Nov 02 08:59:02.170 INFO kablam!    |
Nov 02 08:59:02.170 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 08:59:02.171 INFO kablam! 
Nov 02 08:59:02.256 INFO kablam! warning: unused variable: `duration`
Nov 02 08:59:02.257 INFO kablam!   --> src/main.rs:33:13
Nov 02 08:59:02.257 INFO kablam!    |
Nov 02 08:59:02.257 INFO kablam! 33 |     let mut duration = 0;
Nov 02 08:59:02.258 INFO kablam!    |             ^^^^^^^^ help: consider using `_duration` instead
Nov 02 08:59:02.258 INFO kablam!    |
Nov 02 08:59:02.258 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 08:59:02.258 INFO kablam! 
Nov 02 08:59:02.344 INFO kablam! warning: variable does not need to be mutable
Nov 02 08:59:02.345 INFO kablam!   --> src/main.rs:27:9
Nov 02 08:59:02.345 INFO kablam!    |
Nov 02 08:59:02.345 INFO kablam! 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Nov 02 08:59:02.346 INFO kablam!    |         ----^
Nov 02 08:59:02.346 INFO kablam!    |         |
Nov 02 08:59:02.346 INFO kablam!    |         help: remove this `mut`
Nov 02 08:59:02.346 INFO kablam!    |
Nov 02 08:59:02.347 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 08:59:02.347 INFO kablam! 
Nov 02 08:59:02.347 INFO kablam! warning: variable does not need to be mutable
Nov 02 08:59:02.348 INFO kablam!   --> src/main.rs:33:9
Nov 02 08:59:02.348 INFO kablam!    |
Nov 02 08:59:02.348 INFO kablam! 33 |     let mut duration = 0;
Nov 02 08:59:02.349 INFO kablam!    |         ----^^^^^^^^
Nov 02 08:59:02.349 INFO kablam!    |         |
Nov 02 08:59:02.349 INFO kablam!    |         help: remove this `mut`
Nov 02 08:59:02.349 INFO kablam! 
Nov 02 08:59:02.457 INFO kablam! warning: variable does not need to be mutable
Nov 02 08:59:02.457 INFO kablam!   --> src/main.rs:27:9
Nov 02 08:59:02.457 INFO kablam!    |
Nov 02 08:59:02.457 INFO kablam! 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Nov 02 08:59:02.458 INFO kablam!    |         ----^
Nov 02 08:59:02.458 INFO kablam!    |         |
Nov 02 08:59:02.458 INFO kablam!    |         help: remove this `mut`
Nov 02 08:59:02.459 INFO kablam!    |
Nov 02 08:59:02.459 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 08:59:02.459 INFO kablam! 
Nov 02 08:59:02.459 INFO kablam! warning: variable does not need to be mutable
Nov 02 08:59:02.460 INFO kablam!   --> src/main.rs:33:9
Nov 02 08:59:02.460 INFO kablam!    |
Nov 02 08:59:02.460 INFO kablam! 33 |     let mut duration = 0;
Nov 02 08:59:02.460 INFO kablam!    |         ----^^^^^^^^
Nov 02 08:59:02.461 INFO kablam!    |         |
Nov 02 08:59:02.461 INFO kablam!    |         help: remove this `mut`
Nov 02 08:59:02.461 INFO kablam! 
Nov 02 08:59:02.520 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 30.12s
Nov 02 08:59:02.528 INFO kablam! su: No module specific data is present
Nov 02 08:59:03.354 INFO running `"docker" "rm" "-f" "cfbf39105738e818489aae647ae3a31d097a7580360d10127642efdf38b83d7b"`
Nov 02 08:59:03.647 INFO blam! cfbf39105738e818489aae647ae3a31d097a7580360d10127642efdf38b83d7b