Oct 31 23:30:19.402 INFO checking padenot/trace-filtering against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 23:30:19.404 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 23:30:19.810 INFO blam! 346ff56f4f4be26532ff98ef2c48f12ce60422106da5582bc4bb8093c85797b7
Oct 31 23:30:19.813 INFO running `"docker" "start" "-a" "346ff56f4f4be26532ff98ef2c48f12ce60422106da5582bc4bb8093c85797b7"`
Oct 31 23:30:20.848 INFO kablam! usermod: no changes
Oct 31 23:30:20.972 INFO kablam!    Compiling syn v0.15.8
Oct 31 23:30:32.840 INFO kablam!    Compiling serde_derive v1.0.79
Oct 31 23:30:51.446 INFO kablam!     Checking trace-filtering v0.1.0 (/source)
Oct 31 23:30:52.093 INFO kablam! warning: unused import: `std::io::Read`
Oct 31 23:30:52.093 INFO kablam!  --> src/main.rs:7:5
Oct 31 23:30:52.093 INFO kablam!   |
Oct 31 23:30:52.093 INFO kablam! 7 | use std::io::Read;
Oct 31 23:30:52.093 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 31 23:30:52.094 INFO kablam!   |
Oct 31 23:30:52.094 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 23:30:52.094 INFO kablam! 
Oct 31 23:30:52.220 INFO kablam! warning: unused import: `std::io::Read`
Oct 31 23:30:52.221 INFO kablam!  --> src/main.rs:7:5
Oct 31 23:30:52.221 INFO kablam!   |
Oct 31 23:30:52.222 INFO kablam! 7 | use std::io::Read;
Oct 31 23:30:52.223 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 31 23:30:52.223 INFO kablam!   |
Oct 31 23:30:52.224 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 23:30:52.224 INFO kablam! 
Oct 31 23:30:52.250 INFO kablam! warning: unused variable: `duration`
Oct 31 23:30:52.250 INFO kablam!   --> src/main.rs:33:13
Oct 31 23:30:52.250 INFO kablam!    |
Oct 31 23:30:52.250 INFO kablam! 33 |     let mut duration = 0;
Oct 31 23:30:52.250 INFO kablam!    |             ^^^^^^^^ help: consider using `_duration` instead
Oct 31 23:30:52.251 INFO kablam!    |
Oct 31 23:30:52.251 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 23:30:52.251 INFO kablam! 
Oct 31 23:30:52.411 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:30:52.411 INFO kablam!   --> src/main.rs:27:9
Oct 31 23:30:52.411 INFO kablam!    |
Oct 31 23:30:52.411 INFO kablam! 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Oct 31 23:30:52.411 INFO kablam!    |         ----^
Oct 31 23:30:52.411 INFO kablam!    |         |
Oct 31 23:30:52.411 INFO kablam!    |         help: remove this `mut`
Oct 31 23:30:52.411 INFO kablam!    |
Oct 31 23:30:52.413 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 23:30:52.413 INFO kablam! 
Oct 31 23:30:52.413 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:30:52.413 INFO kablam!   --> src/main.rs:33:9
Oct 31 23:30:52.413 INFO kablam!    |
Oct 31 23:30:52.414 INFO kablam! 33 |     let mut duration = 0;
Oct 31 23:30:52.414 INFO kablam!    |         ----^^^^^^^^
Oct 31 23:30:52.414 INFO kablam!    |         |
Oct 31 23:30:52.414 INFO kablam!    |         help: remove this `mut`
Oct 31 23:30:52.414 INFO kablam! 
Oct 31 23:30:52.487 INFO kablam! warning: unused variable: `duration`
Oct 31 23:30:52.488 INFO kablam!   --> src/main.rs:33:13
Oct 31 23:30:52.488 INFO kablam!    |
Oct 31 23:30:52.489 INFO kablam! 33 |     let mut duration = 0;
Oct 31 23:30:52.489 INFO kablam!    |             ^^^^^^^^ help: consider using `_duration` instead
Oct 31 23:30:52.490 INFO kablam!    |
Oct 31 23:30:52.491 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 23:30:52.491 INFO kablam! 
Oct 31 23:30:52.628 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:30:52.629 INFO kablam!   --> src/main.rs:27:9
Oct 31 23:30:52.630 INFO kablam!    |
Oct 31 23:30:52.631 INFO kablam! 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Oct 31 23:30:52.631 INFO kablam!    |         ----^
Oct 31 23:30:52.632 INFO kablam!    |         |
Oct 31 23:30:52.632 INFO kablam!    |         help: remove this `mut`
Oct 31 23:30:52.633 INFO kablam!    |
Oct 31 23:30:52.634 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 23:30:52.634 INFO kablam! 
Oct 31 23:30:52.635 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:30:52.635 INFO kablam!   --> src/main.rs:33:9
Oct 31 23:30:52.636 INFO kablam!    |
Oct 31 23:30:52.636 INFO kablam! 33 |     let mut duration = 0;
Oct 31 23:30:52.637 INFO kablam!    |         ----^^^^^^^^
Oct 31 23:30:52.640 INFO kablam!    |         |
Oct 31 23:30:52.640 INFO kablam!    |         help: remove this `mut`
Oct 31 23:30:52.640 INFO kablam! 
Oct 31 23:30:52.665 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 31.77s
Oct 31 23:30:52.680 INFO kablam! su: No module specific data is present
Oct 31 23:30:53.892 INFO running `"docker" "rm" "-f" "346ff56f4f4be26532ff98ef2c48f12ce60422106da5582bc4bb8093c85797b7"`
Oct 31 23:30:54.222 INFO blam! 346ff56f4f4be26532ff98ef2c48f12ce60422106da5582bc4bb8093c85797b7