Nov 30 15:26:40.553 INFO checking skylane-0.1.2 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 15:26:40.553 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 15:26:40.804 INFO [stdout] 2cdb7b6e1f9403e396ddb963dec877542549294bc0aa190687b5a8c63b410af5
Nov 30 15:26:40.806 INFO running `"docker" "start" "-a" "2cdb7b6e1f9403e396ddb963dec877542549294bc0aa190687b5a8c63b410af5"`
Nov 30 15:26:41.595 INFO [stderr] usermod: no changes
Nov 30 15:26:41.688 INFO [stderr]     Checking nix v0.8.1
Nov 30 15:26:45.330 INFO [stderr]     Checking skylane v0.1.2 (/source)
Nov 30 15:26:46.056 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:26:46.056 INFO [stderr]    --> src/connection.rs:201:22
Nov 30 15:26:46.056 INFO [stderr]     |
Nov 30 15:26:46.056 INFO [stderr] 201 |                      mut bytes_buf: &mut Cursor<&[u8]>,
Nov 30 15:26:46.056 INFO [stderr]     |                      ----^^^^^^^^^
Nov 30 15:26:46.056 INFO [stderr]     |                      |
Nov 30 15:26:46.057 INFO [stderr]     |                      help: remove this `mut`
Nov 30 15:26:46.057 INFO [stderr]     |
Nov 30 15:26:46.057 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:26:46.057 INFO [stderr] 
Nov 30 15:26:46.057 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:26:46.057 INFO [stderr]    --> src/connection.rs:202:22
Nov 30 15:26:46.057 INFO [stderr]     |
Nov 30 15:26:46.059 INFO [stderr] 202 |                      mut fds_buf: &mut Cursor<&[u8]>)
Nov 30 15:26:46.059 INFO [stderr]     |                      ----^^^^^^^
Nov 30 15:26:46.059 INFO [stderr]     |                      |
Nov 30 15:26:46.059 INFO [stderr]     |                      help: remove this `mut`
Nov 30 15:26:46.059 INFO [stderr] 
Nov 30 15:26:46.248 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:26:46.248 INFO [stderr]    --> src/connection.rs:201:22
Nov 30 15:26:46.248 INFO [stderr]     |
Nov 30 15:26:46.248 INFO [stderr] 201 |                      mut bytes_buf: &mut Cursor<&[u8]>,
Nov 30 15:26:46.248 INFO [stderr]     |                      ----^^^^^^^^^
Nov 30 15:26:46.248 INFO [stderr]     |                      |
Nov 30 15:26:46.248 INFO [stderr]     |                      help: remove this `mut`
Nov 30 15:26:46.248 INFO [stderr]     |
Nov 30 15:26:46.248 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:26:46.248 INFO [stderr] 
Nov 30 15:26:46.248 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:26:46.248 INFO [stderr]    --> src/connection.rs:202:22
Nov 30 15:26:46.248 INFO [stderr]     |
Nov 30 15:26:46.248 INFO [stderr] 202 |                      mut fds_buf: &mut Cursor<&[u8]>)
Nov 30 15:26:46.248 INFO [stderr]     |                      ----^^^^^^^
Nov 30 15:26:46.248 INFO [stderr]     |                      |
Nov 30 15:26:46.248 INFO [stderr]     |                      help: remove this `mut`
Nov 30 15:26:46.248 INFO [stderr] 
Nov 30 15:26:46.320 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
Nov 30 15:26:46.320 INFO [stderr] su: No module specific data is present
Nov 30 15:26:46.735 INFO running `"docker" "inspect" "2cdb7b6e1f9403e396ddb963dec877542549294bc0aa190687b5a8c63b410af5"`
Nov 30 15:26:46.986 INFO running `"docker" "rm" "-f" "2cdb7b6e1f9403e396ddb963dec877542549294bc0aa190687b5a8c63b410af5"`
Nov 30 15:26:47.352 INFO [stdout] 2cdb7b6e1f9403e396ddb963dec877542549294bc0aa190687b5a8c63b410af5