Nov 17 22:45:29.294 INFO testing skylane-0.1.2 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 22:45:29.294 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 22:45:29.556 INFO [stdout] cd0ae15f9f4ded2f1d19399646ae6625f9d17aa2ca58124c04c05fff5d61d931
Nov 17 22:45:29.556 INFO running `"docker" "start" "-a" "cd0ae15f9f4ded2f1d19399646ae6625f9d17aa2ca58124c04c05fff5d61d931"`
Nov 17 22:45:29.966 INFO [stderr] usermod: no changes
Nov 17 22:45:30.006 INFO [stderr]    Compiling skylane v0.1.2 (/source)
Nov 17 22:45:30.699 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:45:30.700 INFO [stderr]    --> src/connection.rs:201:22
Nov 17 22:45:30.701 INFO [stderr]     |
Nov 17 22:45:30.701 INFO [stderr] 201 |                      mut bytes_buf: &mut Cursor<&[u8]>,
Nov 17 22:45:30.702 INFO [stderr]     |                      ----^^^^^^^^^
Nov 17 22:45:30.702 INFO [stderr]     |                      |
Nov 17 22:45:30.703 INFO [stderr]     |                      help: remove this `mut`
Nov 17 22:45:30.704 INFO [stderr]     |
Nov 17 22:45:30.704 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 22:45:30.705 INFO [stderr] 
Nov 17 22:45:30.705 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:45:30.706 INFO [stderr]    --> src/connection.rs:202:22
Nov 17 22:45:30.706 INFO [stderr]     |
Nov 17 22:45:30.707 INFO [stderr] 202 |                      mut fds_buf: &mut Cursor<&[u8]>)
Nov 17 22:45:30.708 INFO [stderr]     |                      ----^^^^^^^
Nov 17 22:45:30.708 INFO [stderr]     |                      |
Nov 17 22:45:30.709 INFO [stderr]     |                      help: remove this `mut`
Nov 17 22:45:30.709 INFO [stderr] 
Nov 17 22:45:31.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Nov 17 22:45:31.123 INFO [stderr] su: No module specific data is present
Nov 17 22:45:31.508 INFO running `"docker" "inspect" "cd0ae15f9f4ded2f1d19399646ae6625f9d17aa2ca58124c04c05fff5d61d931"`
Nov 17 22:45:31.839 INFO running `"docker" "rm" "-f" "cd0ae15f9f4ded2f1d19399646ae6625f9d17aa2ca58124c04c05fff5d61d931"`
Nov 17 22:45:32.114 INFO [stdout] cd0ae15f9f4ded2f1d19399646ae6625f9d17aa2ca58124c04c05fff5d61d931
Nov 17 22:45:32.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 22:45:32.291 INFO [stdout] 0b4a743bd5a96776956b09e1e32f7b97f3cd4890eee16df631f3d953c68e9775
Nov 17 22:45:32.294 INFO running `"docker" "start" "-a" "0b4a743bd5a96776956b09e1e32f7b97f3cd4890eee16df631f3d953c68e9775"`
Nov 17 22:45:32.653 INFO [stderr] usermod: no changes
Nov 17 22:45:32.692 INFO [stderr]    Compiling skylane v0.1.2 (/source)
Nov 17 22:45:33.555 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:45:33.555 INFO [stderr]    --> src/connection.rs:201:22
Nov 17 22:45:33.555 INFO [stderr]     |
Nov 17 22:45:33.555 INFO [stderr] 201 |                      mut bytes_buf: &mut Cursor<&[u8]>,
Nov 17 22:45:33.555 INFO [stderr]     |                      ----^^^^^^^^^
Nov 17 22:45:33.555 INFO [stderr]     |                      |
Nov 17 22:45:33.555 INFO [stderr]     |                      help: remove this `mut`
Nov 17 22:45:33.555 INFO [stderr]     |
Nov 17 22:45:33.555 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 22:45:33.555 INFO [stderr] 
Nov 17 22:45:33.555 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:45:33.555 INFO [stderr]    --> src/connection.rs:202:22
Nov 17 22:45:33.555 INFO [stderr]     |
Nov 17 22:45:33.555 INFO [stderr] 202 |                      mut fds_buf: &mut Cursor<&[u8]>)
Nov 17 22:45:33.555 INFO [stderr]     |                      ----^^^^^^^
Nov 17 22:45:33.555 INFO [stderr]     |                      |
Nov 17 22:45:33.555 INFO [stderr]     |                      help: remove this `mut`
Nov 17 22:45:33.555 INFO [stderr] 
Nov 17 22:45:33.844 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Nov 17 22:45:33.848 INFO [stderr] su: No module specific data is present
Nov 17 22:45:34.225 INFO running `"docker" "inspect" "0b4a743bd5a96776956b09e1e32f7b97f3cd4890eee16df631f3d953c68e9775"`
Nov 17 22:45:34.336 INFO running `"docker" "rm" "-f" "0b4a743bd5a96776956b09e1e32f7b97f3cd4890eee16df631f3d953c68e9775"`
Nov 17 22:45:34.441 INFO [stdout] 0b4a743bd5a96776956b09e1e32f7b97f3cd4890eee16df631f3d953c68e9775
Nov 17 22:45:34.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 17 22:45:34.721 INFO [stdout] ddf4a567e92d49438a905385cd3a5a3dfebfcdbc049b1dea58c8585f90018fdc
Nov 17 22:45:34.725 INFO running `"docker" "start" "-a" "ddf4a567e92d49438a905385cd3a5a3dfebfcdbc049b1dea58c8585f90018fdc"`
Nov 17 22:45:35.411 INFO [stderr] usermod: no changes
Nov 17 22:45:35.460 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 17 22:45:35.471 INFO [stderr]      Running /target/debug/deps/skylane-fc9bd47ff3ce1184
Nov 17 22:45:35.479 INFO [stdout] 
Nov 17 22:45:35.479 INFO [stdout] running 0 tests
Nov 17 22:45:35.479 INFO [stdout] 
Nov 17 22:45:35.479 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 22:45:35.479 INFO [stdout] 
Nov 17 22:45:35.479 INFO [stderr]    Doc-tests skylane
Nov 17 22:45:36.641 INFO [stdout] 
Nov 17 22:45:36.641 INFO [stdout] running 0 tests
Nov 17 22:45:36.641 INFO [stdout] 
Nov 17 22:45:36.641 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 22:45:36.641 INFO [stdout] 
Nov 17 22:45:36.649 INFO [stderr] su: No module specific data is present
Nov 17 22:45:37.036 INFO running `"docker" "inspect" "ddf4a567e92d49438a905385cd3a5a3dfebfcdbc049b1dea58c8585f90018fdc"`
Nov 17 22:45:37.136 INFO running `"docker" "rm" "-f" "ddf4a567e92d49438a905385cd3a5a3dfebfcdbc049b1dea58c8585f90018fdc"`
Nov 17 22:45:37.264 INFO [stdout] ddf4a567e92d49438a905385cd3a5a3dfebfcdbc049b1dea58c8585f90018fdc