Oct 31 23:30:19.625 INFO checking padenot/trace-filtering against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 23:30:19.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Oct 31 23:30:20.024 INFO blam! b19772928a609014aac357b0eed2848bac86eebd74c2eb91295d612f68f896cd
Oct 31 23:30:20.024 INFO running `"docker" "start" "-a" "b19772928a609014aac357b0eed2848bac86eebd74c2eb91295d612f68f896cd"`
Oct 31 23:30:21.396 INFO kablam! usermod: no changes
Oct 31 23:30:21.524 INFO kablam!    Compiling syn v0.15.8
Oct 31 23:30:33.617 INFO kablam!    Compiling serde_derive v1.0.79
Oct 31 23:30:52.359 INFO kablam!     Checking trace-filtering v0.1.0 (/source)
Oct 31 23:30:52.844 INFO kablam! warning: unused import: `std::io::Read`
Oct 31 23:30:52.844 INFO kablam!  --> src/main.rs:7:5
Oct 31 23:30:52.844 INFO kablam!   |
Oct 31 23:30:52.844 INFO kablam! 7 | use std::io::Read;
Oct 31 23:30:52.844 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 31 23:30:52.844 INFO kablam!   |
Oct 31 23:30:52.844 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 23:30:52.844 INFO kablam! 
Oct 31 23:30:52.923 INFO kablam! warning: unused import: `std::io::Read`
Oct 31 23:30:52.923 INFO kablam!  --> src/main.rs:7:5
Oct 31 23:30:52.923 INFO kablam!   |
Oct 31 23:30:52.923 INFO kablam! 7 | use std::io::Read;
Oct 31 23:30:52.923 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 31 23:30:52.923 INFO kablam!   |
Oct 31 23:30:52.923 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 23:30:52.923 INFO kablam! 
Oct 31 23:30:53.012 INFO kablam! warning: unused variable: `duration`
Oct 31 23:30:53.012 INFO kablam!   --> src/main.rs:33:13
Oct 31 23:30:53.012 INFO kablam!    |
Oct 31 23:30:53.012 INFO kablam! 33 |     let mut duration = 0;
Oct 31 23:30:53.012 INFO kablam!    |             ^^^^^^^^ help: consider using `_duration` instead
Oct 31 23:30:53.012 INFO kablam!    |
Oct 31 23:30:53.012 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 23:30:53.012 INFO kablam! 
Oct 31 23:30:53.136 INFO kablam! warning: unused variable: `duration`
Oct 31 23:30:53.136 INFO kablam!   --> src/main.rs:33:13
Oct 31 23:30:53.136 INFO kablam!    |
Oct 31 23:30:53.136 INFO kablam! 33 |     let mut duration = 0;
Oct 31 23:30:53.136 INFO kablam!    |             ^^^^^^^^ help: consider using `_duration` instead
Oct 31 23:30:53.136 INFO kablam!    |
Oct 31 23:30:53.136 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 23:30:53.136 INFO kablam! 
Oct 31 23:30:53.139 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:30:53.139 INFO kablam!   --> src/main.rs:27:9
Oct 31 23:30:53.139 INFO kablam!    |
Oct 31 23:30:53.139 INFO kablam! 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Oct 31 23:30:53.139 INFO kablam!    |         ----^
Oct 31 23:30:53.139 INFO kablam!    |         |
Oct 31 23:30:53.139 INFO kablam!    |         help: remove this `mut`
Oct 31 23:30:53.139 INFO kablam!    |
Oct 31 23:30:53.139 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 23:30:53.140 INFO kablam! 
Oct 31 23:30:53.140 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:30:53.140 INFO kablam!   --> src/main.rs:33:9
Oct 31 23:30:53.140 INFO kablam!    |
Oct 31 23:30:53.140 INFO kablam! 33 |     let mut duration = 0;
Oct 31 23:30:53.140 INFO kablam!    |         ----^^^^^^^^
Oct 31 23:30:53.140 INFO kablam!    |         |
Oct 31 23:30:53.140 INFO kablam!    |         help: remove this `mut`
Oct 31 23:30:53.140 INFO kablam! 
Oct 31 23:30:53.288 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:30:53.288 INFO kablam!   --> src/main.rs:27:9
Oct 31 23:30:53.288 INFO kablam!    |
Oct 31 23:30:53.288 INFO kablam! 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Oct 31 23:30:53.288 INFO kablam!    |         ----^
Oct 31 23:30:53.288 INFO kablam!    |         |
Oct 31 23:30:53.288 INFO kablam!    |         help: remove this `mut`
Oct 31 23:30:53.288 INFO kablam!    |
Oct 31 23:30:53.288 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 23:30:53.288 INFO kablam! 
Oct 31 23:30:53.288 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:30:53.288 INFO kablam!   --> src/main.rs:33:9
Oct 31 23:30:53.288 INFO kablam!    |
Oct 31 23:30:53.288 INFO kablam! 33 |     let mut duration = 0;
Oct 31 23:30:53.288 INFO kablam!    |         ----^^^^^^^^
Oct 31 23:30:53.288 INFO kablam!    |         |
Oct 31 23:30:53.288 INFO kablam!    |         help: remove this `mut`
Oct 31 23:30:53.288 INFO kablam! 
Oct 31 23:30:53.324 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 31.90s
Oct 31 23:30:53.360 INFO kablam! su: No module specific data is present
Oct 31 23:30:54.194 INFO running `"docker" "rm" "-f" "b19772928a609014aac357b0eed2848bac86eebd74c2eb91295d612f68f896cd"`
Oct 31 23:30:54.389 INFO blam! b19772928a609014aac357b0eed2848bac86eebd74c2eb91295d612f68f896cd