Nov 28 17:57:40.982 INFO checking skylane-0.1.2 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 17:57:40.982 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 17:57:41.396 INFO [stdout] ca04d1c6c87eaba797d51b2749237fd10cf7e4845c470596cd20b475c3534453
Nov 28 17:57:41.410 INFO running `"docker" "start" "-a" "ca04d1c6c87eaba797d51b2749237fd10cf7e4845c470596cd20b475c3534453"`
Nov 28 17:57:42.327 INFO [stderr] usermod: no changes
Nov 28 17:57:42.432 INFO [stderr]     Checking nix v0.8.1
Nov 28 17:57:46.436 INFO [stderr]     Checking skylane v0.1.2 (/source)
Nov 28 17:57:47.841 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:57:47.841 INFO [stderr]    --> src/connection.rs:201:22
Nov 28 17:57:47.842 INFO [stderr]     |
Nov 28 17:57:47.842 INFO [stderr] 201 |                      mut bytes_buf: &mut Cursor<&[u8]>,
Nov 28 17:57:47.842 INFO [stderr]     |                      ----^^^^^^^^^
Nov 28 17:57:47.843 INFO [stderr]     |                      |
Nov 28 17:57:47.843 INFO [stderr]     |                      help: remove this `mut`
Nov 28 17:57:47.843 INFO [stderr]     |
Nov 28 17:57:47.843 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 17:57:47.844 INFO [stderr] 
Nov 28 17:57:47.844 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:57:47.844 INFO [stderr]    --> src/connection.rs:202:22
Nov 28 17:57:47.845 INFO [stderr]     |
Nov 28 17:57:47.845 INFO [stderr] 202 |                      mut fds_buf: &mut Cursor<&[u8]>)
Nov 28 17:57:47.845 INFO [stderr]     |                      ----^^^^^^^
Nov 28 17:57:47.845 INFO [stderr]     |                      |
Nov 28 17:57:47.846 INFO [stderr]     |                      help: remove this `mut`
Nov 28 17:57:47.846 INFO [stderr] 
Nov 28 17:57:48.145 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:57:48.145 INFO [stderr]    --> src/connection.rs:201:22
Nov 28 17:57:48.145 INFO [stderr]     |
Nov 28 17:57:48.146 INFO [stderr] 201 |                      mut bytes_buf: &mut Cursor<&[u8]>,
Nov 28 17:57:48.146 INFO [stderr]     |                      ----^^^^^^^^^
Nov 28 17:57:48.146 INFO [stderr]     |                      |
Nov 28 17:57:48.146 INFO [stderr]     |                      help: remove this `mut`
Nov 28 17:57:48.147 INFO [stderr]     |
Nov 28 17:57:48.147 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 17:57:48.147 INFO [stderr] 
Nov 28 17:57:48.147 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:57:48.148 INFO [stderr]    --> src/connection.rs:202:22
Nov 28 17:57:48.148 INFO [stderr]     |
Nov 28 17:57:48.148 INFO [stderr] 202 |                      mut fds_buf: &mut Cursor<&[u8]>)
Nov 28 17:57:48.149 INFO [stderr]     |                      ----^^^^^^^
Nov 28 17:57:48.149 INFO [stderr]     |                      |
Nov 28 17:57:48.149 INFO [stderr]     |                      help: remove this `mut`
Nov 28 17:57:48.149 INFO [stderr] 
Nov 28 17:57:48.208 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.84s
Nov 28 17:57:48.212 INFO [stderr] su: No module specific data is present
Nov 28 17:57:49.141 INFO running `"docker" "inspect" "ca04d1c6c87eaba797d51b2749237fd10cf7e4845c470596cd20b475c3534453"`
Nov 28 17:57:49.552 INFO running `"docker" "rm" "-f" "ca04d1c6c87eaba797d51b2749237fd10cf7e4845c470596cd20b475c3534453"`
Nov 28 17:57:50.012 INFO [stdout] ca04d1c6c87eaba797d51b2749237fd10cf7e4845c470596cd20b475c3534453