Nov 29 03:56:39.565 INFO checking buffoon-0.5.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 03:56:39.565 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 29 03:56:40.028 INFO [stdout] 31797ceec91e38eaf826d16a266feb851f98902c2a45e0dab81077eb8dac90f4
Nov 29 03:56:40.034 INFO running `"docker" "start" "-a" "31797ceec91e38eaf826d16a266feb851f98902c2a45e0dab81077eb8dac90f4"`
Nov 29 03:56:40.997 INFO [stderr] usermod: no changes
Nov 29 03:56:41.063 INFO [stderr]     Checking buffoon v0.5.0 (/source)
Nov 29 03:56:42.008 INFO [stderr] warning: variable does not need to be mutable
Nov 29 03:56:42.008 INFO [stderr]    --> src/input_stream.rs:104:17
Nov 29 03:56:42.008 INFO [stderr]     |
Nov 29 03:56:42.008 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Nov 29 03:56:42.008 INFO [stderr]     |                 ----^^^
Nov 29 03:56:42.008 INFO [stderr]     |                 |
Nov 29 03:56:42.008 INFO [stderr]     |                 help: remove this `mut`
Nov 29 03:56:42.008 INFO [stderr]     |
Nov 29 03:56:42.008 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 03:56:42.008 INFO [stderr] 
Nov 29 03:56:42.344 INFO [stderr] warning: variable does not need to be mutable
Nov 29 03:56:42.344 INFO [stderr]    --> src/input_stream.rs:104:17
Nov 29 03:56:42.344 INFO [stderr]     |
Nov 29 03:56:42.344 INFO [stderr] 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Nov 29 03:56:42.344 INFO [stderr]     |                 ----^^^
Nov 29 03:56:42.344 INFO [stderr]     |                 |
Nov 29 03:56:42.344 INFO [stderr]     |                 help: remove this `mut`
Nov 29 03:56:42.344 INFO [stderr]     |
Nov 29 03:56:42.344 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 03:56:42.344 INFO [stderr] 
Nov 29 03:56:42.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Nov 29 03:56:42.419 INFO [stderr] su: No module specific data is present
Nov 29 03:56:43.144 INFO running `"docker" "inspect" "31797ceec91e38eaf826d16a266feb851f98902c2a45e0dab81077eb8dac90f4"`
Nov 29 03:56:43.388 INFO running `"docker" "rm" "-f" "31797ceec91e38eaf826d16a266feb851f98902c2a45e0dab81077eb8dac90f4"`
Nov 29 03:56:43.723 INFO [stdout] 31797ceec91e38eaf826d16a266feb851f98902c2a45e0dab81077eb8dac90f4