Nov 28 16:43:18.341 INFO checking tlv-0.2.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 16:43:18.341 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 28 16:43:18.597 INFO [stdout] 42c8c49778a64c61e6ad03690e334180717109b14e7eef584c6252a8cb15e2b1
Nov 28 16:43:18.599 INFO running `"docker" "start" "-a" "42c8c49778a64c61e6ad03690e334180717109b14e7eef584c6252a8cb15e2b1"`
Nov 28 16:43:19.223 INFO [stderr] usermod: no changes
Nov 28 16:43:19.272 INFO [stderr]     Checking tlv v0.2.0 (/source)
Nov 28 16:43:19.904 INFO [stderr] warning: variable does not need to be mutable
Nov 28 16:43:19.905 INFO [stderr]   --> src/lib.rs:35:36
Nov 28 16:43:19.905 INFO [stderr]    |
Nov 28 16:43:19.905 INFO [stderr] 35 | pub fn decode<T: std::io::BufRead>(mut buf: &mut T) -> Result<HashMap<u16, String>, std::io::Error> {
Nov 28 16:43:19.906 INFO [stderr]    |                                    ----^^^
Nov 28 16:43:19.906 INFO [stderr]    |                                    |
Nov 28 16:43:19.906 INFO [stderr]    |                                    help: remove this `mut`
Nov 28 16:43:19.907 INFO [stderr]    |
Nov 28 16:43:19.907 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 16:43:19.907 INFO [stderr] 
Nov 28 16:43:19.952 INFO [stderr] warning: variable does not need to be mutable
Nov 28 16:43:19.952 INFO [stderr]   --> src/lib.rs:35:36
Nov 28 16:43:19.952 INFO [stderr]    |
Nov 28 16:43:19.952 INFO [stderr] 35 | pub fn decode<T: std::io::BufRead>(mut buf: &mut T) -> Result<HashMap<u16, String>, std::io::Error> {
Nov 28 16:43:19.952 INFO [stderr]    |                                    ----^^^
Nov 28 16:43:19.952 INFO [stderr]    |                                    |
Nov 28 16:43:19.952 INFO [stderr]    |                                    help: remove this `mut`
Nov 28 16:43:19.952 INFO [stderr]    |
Nov 28 16:43:19.952 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 16:43:19.952 INFO [stderr] 
Nov 28 16:43:20.002 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Nov 28 16:43:20.008 INFO [stderr] su: No module specific data is present
Nov 28 16:43:20.457 INFO running `"docker" "inspect" "42c8c49778a64c61e6ad03690e334180717109b14e7eef584c6252a8cb15e2b1"`
Nov 28 16:43:20.570 INFO running `"docker" "rm" "-f" "42c8c49778a64c61e6ad03690e334180717109b14e7eef584c6252a8cb15e2b1"`
Nov 28 16:43:20.675 INFO [stdout] 42c8c49778a64c61e6ad03690e334180717109b14e7eef584c6252a8cb15e2b1