Dec 05 11:17:15.172 INFO checking ktrace-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 11:17:15.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 11:17:15.624 INFO [stdout] 1a28cd7d41aea7e0b08ef1e836be08d45870ded27c23324020c1378393b49010
Dec 05 11:17:15.626 INFO running `"docker" "start" "-a" "1a28cd7d41aea7e0b08ef1e836be08d45870ded27c23324020c1378393b49010"`
Dec 05 11:17:16.395 INFO [stderr] usermod: no changes
Dec 05 11:17:16.503 INFO [stderr]     Checking ktrace v0.1.0 (/source)
Dec 05 11:17:17.545 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:17:17.545 INFO [stderr]   --> src/lib.rs:30:17
Dec 05 11:17:17.545 INFO [stderr]    |
Dec 05 11:17:17.545 INFO [stderr] 30 | pub fn parse<E>(mut r: &mut io::Read) -> Result<Vec<(Header,Result<Record>)>>
Dec 05 11:17:17.545 INFO [stderr]    |                 ----^
Dec 05 11:17:17.545 INFO [stderr]    |                 |
Dec 05 11:17:17.545 INFO [stderr]    |                 help: remove this `mut`
Dec 05 11:17:17.545 INFO [stderr]    |
Dec 05 11:17:17.545 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:17:17.545 INFO [stderr] 
Dec 05 11:17:17.754 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:17:17.754 INFO [stderr]   --> src/lib.rs:30:17
Dec 05 11:17:17.754 INFO [stderr]    |
Dec 05 11:17:17.754 INFO [stderr] 30 | pub fn parse<E>(mut r: &mut io::Read) -> Result<Vec<(Header,Result<Record>)>>
Dec 05 11:17:17.754 INFO [stderr]    |                 ----^
Dec 05 11:17:17.754 INFO [stderr]    |                 |
Dec 05 11:17:17.754 INFO [stderr]    |                 help: remove this `mut`
Dec 05 11:17:17.754 INFO [stderr]    |
Dec 05 11:17:17.754 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:17:17.754 INFO [stderr] 
Dec 05 11:17:19.255 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
Dec 05 11:17:19.260 INFO [stderr] su: No module specific data is present
Dec 05 11:17:19.701 INFO running `"docker" "inspect" "1a28cd7d41aea7e0b08ef1e836be08d45870ded27c23324020c1378393b49010"`
Dec 05 11:17:19.911 INFO running `"docker" "rm" "-f" "1a28cd7d41aea7e0b08ef1e836be08d45870ded27c23324020c1378393b49010"`
Dec 05 11:17:20.179 INFO [stdout] 1a28cd7d41aea7e0b08ef1e836be08d45870ded27c23324020c1378393b49010