Dec 04 12:42:30.078 INFO checking padenot/trace-filtering against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 12:42:30.078 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 12:42:30.579 INFO [stdout] b27ee8fb77f8f5116f786dffa358fc4f65fcf2e36795b682a25ed75a1dcf82d4
Dec 04 12:42:30.581 INFO running `"docker" "start" "-a" "b27ee8fb77f8f5116f786dffa358fc4f65fcf2e36795b682a25ed75a1dcf82d4"`
Dec 04 12:42:31.902 INFO [stderr] usermod: no changes
Dec 04 12:42:32.011 INFO [stderr]    Compiling syn v0.15.8
Dec 04 12:42:41.699 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 04 12:42:55.207 INFO [stderr]     Checking trace-filtering v0.1.0 (/source)
Dec 04 12:42:55.663 INFO [stderr] warning: unused import: `std::io::Read`
Dec 04 12:42:55.663 INFO [stderr]  --> src/main.rs:7:5
Dec 04 12:42:55.663 INFO [stderr]   |
Dec 04 12:42:55.663 INFO [stderr] 7 | use std::io::Read;
Dec 04 12:42:55.663 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 12:42:55.663 INFO [stderr]   |
Dec 04 12:42:55.663 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 12:42:55.663 INFO [stderr] 
Dec 04 12:42:55.671 INFO [stderr] warning: unused import: `std::io::Read`
Dec 04 12:42:55.671 INFO [stderr]  --> src/main.rs:7:5
Dec 04 12:42:55.671 INFO [stderr]   |
Dec 04 12:42:55.671 INFO [stderr] 7 | use std::io::Read;
Dec 04 12:42:55.671 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 12:42:55.671 INFO [stderr]   |
Dec 04 12:42:55.671 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 12:42:55.671 INFO [stderr] 
Dec 04 12:42:55.791 INFO [stderr] warning: unused variable: `duration`
Dec 04 12:42:55.791 INFO [stderr]   --> src/main.rs:33:13
Dec 04 12:42:55.791 INFO [stderr]    |
Dec 04 12:42:55.791 INFO [stderr] 33 |     let mut duration = 0;
Dec 04 12:42:55.791 INFO [stderr]    |             ^^^^^^^^ help: consider using `_duration` instead
Dec 04 12:42:55.791 INFO [stderr]    |
Dec 04 12:42:55.791 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 12:42:55.791 INFO [stderr] 
Dec 04 12:42:55.851 INFO [stderr] warning: variable does not need to be mutable
Dec 04 12:42:55.851 INFO [stderr]   --> src/main.rs:27:9
Dec 04 12:42:55.851 INFO [stderr]    |
Dec 04 12:42:55.851 INFO [stderr] 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Dec 04 12:42:55.851 INFO [stderr]    |         ----^
Dec 04 12:42:55.851 INFO [stderr]    |         |
Dec 04 12:42:55.851 INFO [stderr]    |         help: remove this `mut`
Dec 04 12:42:55.851 INFO [stderr]    |
Dec 04 12:42:55.851 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 12:42:55.851 INFO [stderr] 
Dec 04 12:42:55.851 INFO [stderr] warning: variable does not need to be mutable
Dec 04 12:42:55.851 INFO [stderr]   --> src/main.rs:33:9
Dec 04 12:42:55.851 INFO [stderr]    |
Dec 04 12:42:55.851 INFO [stderr] 33 |     let mut duration = 0;
Dec 04 12:42:55.851 INFO [stderr]    |         ----^^^^^^^^
Dec 04 12:42:55.851 INFO [stderr]    |         |
Dec 04 12:42:55.851 INFO [stderr]    |         help: remove this `mut`
Dec 04 12:42:55.851 INFO [stderr] 
Dec 04 12:42:55.871 INFO [stderr] warning: unused variable: `duration`
Dec 04 12:42:55.871 INFO [stderr]   --> src/main.rs:33:13
Dec 04 12:42:55.871 INFO [stderr]    |
Dec 04 12:42:55.871 INFO [stderr] 33 |     let mut duration = 0;
Dec 04 12:42:55.871 INFO [stderr]    |             ^^^^^^^^ help: consider using `_duration` instead
Dec 04 12:42:55.871 INFO [stderr]    |
Dec 04 12:42:55.871 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 12:42:55.871 INFO [stderr] 
Dec 04 12:42:55.938 INFO [stderr] warning: variable does not need to be mutable
Dec 04 12:42:55.938 INFO [stderr]   --> src/main.rs:27:9
Dec 04 12:42:55.938 INFO [stderr]    |
Dec 04 12:42:55.938 INFO [stderr] 27 |     let mut f = File::open("trace.log.child-1").expect("file not found");
Dec 04 12:42:55.938 INFO [stderr]    |         ----^
Dec 04 12:42:55.938 INFO [stderr]    |         |
Dec 04 12:42:55.938 INFO [stderr]    |         help: remove this `mut`
Dec 04 12:42:55.938 INFO [stderr]    |
Dec 04 12:42:55.938 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 12:42:55.938 INFO [stderr] 
Dec 04 12:42:55.938 INFO [stderr] warning: variable does not need to be mutable
Dec 04 12:42:55.938 INFO [stderr]   --> src/main.rs:33:9
Dec 04 12:42:55.938 INFO [stderr]    |
Dec 04 12:42:55.938 INFO [stderr] 33 |     let mut duration = 0;
Dec 04 12:42:55.938 INFO [stderr]    |         ----^^^^^^^^
Dec 04 12:42:55.938 INFO [stderr]    |         |
Dec 04 12:42:55.938 INFO [stderr]    |         help: remove this `mut`
Dec 04 12:42:55.938 INFO [stderr] 
Dec 04 12:42:55.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.02s
Dec 04 12:42:55.967 INFO [stderr] su: No module specific data is present
Dec 04 12:42:56.985 INFO running `"docker" "inspect" "b27ee8fb77f8f5116f786dffa358fc4f65fcf2e36795b682a25ed75a1dcf82d4"`
Dec 04 12:42:57.328 INFO running `"docker" "rm" "-f" "b27ee8fb77f8f5116f786dffa358fc4f65fcf2e36795b682a25ed75a1dcf82d4"`
Dec 04 12:42:57.646 INFO [stdout] b27ee8fb77f8f5116f786dffa358fc4f65fcf2e36795b682a25ed75a1dcf82d4