Dec 05 02:41:45.979 INFO checking Emerentius/drain_experiments against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:41:45.979 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 02:41:46.445 INFO [stdout] 759533131b03b329abb16a2a2a304cead0682faf123dd8b7b5357955c5c45a8d
Dec 05 02:41:46.447 INFO running `"docker" "start" "-a" "759533131b03b329abb16a2a2a304cead0682faf123dd8b7b5357955c5c45a8d"`
Dec 05 02:41:47.711 INFO [stderr] usermod: no changes
Dec 05 02:41:47.811 INFO [stderr]     Checking try_drain v0.1.0 (/source)
Dec 05 02:41:48.535 INFO [stderr] warning: unused imports: `Exhausting`, `IteratorExt`
Dec 05 02:41:48.535 INFO [stderr]   --> src/lib.rs:11:18
Dec 05 02:41:48.535 INFO [stderr]    |
Dec 05 02:41:48.535 INFO [stderr] 11 | use exhausting::{Exhausting, IteratorExt};
Dec 05 02:41:48.535 INFO [stderr]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
Dec 05 02:41:48.535 INFO [stderr]    |
Dec 05 02:41:48.535 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 02:41:48.535 INFO [stderr] 
Dec 05 02:41:48.535 INFO [stderr] warning: unused import: `StreamElement`
Dec 05 02:41:48.535 INFO [stderr]   --> src/lib.rs:14:44
Dec 05 02:41:48.535 INFO [stderr]    |
Dec 05 02:41:48.535 INFO [stderr] 14 | use drain_element_streaming::{StreamDrain, StreamElement};
Dec 05 02:41:48.535 INFO [stderr]    |                                            ^^^^^^^^^^^^^
Dec 05 02:41:48.535 INFO [stderr] 
Dec 05 02:41:48.535 INFO [stderr] warning: unused import: `CursorIter`
Dec 05 02:41:48.535 INFO [stderr]   --> src/lib.rs:17:22
Dec 05 02:41:48.535 INFO [stderr]    |
Dec 05 02:41:48.535 INFO [stderr] 17 | use cursor::{Cursor, CursorIter};
Dec 05 02:41:48.535 INFO [stderr]    |                      ^^^^^^^^^^
Dec 05 02:41:48.535 INFO [stderr] 
Dec 05 02:41:48.739 INFO [stderr] warning: unused imports: `Exhausting`, `IteratorExt`
Dec 05 02:41:48.739 INFO [stderr]   --> src/lib.rs:11:18
Dec 05 02:41:48.739 INFO [stderr]    |
Dec 05 02:41:48.739 INFO [stderr] 11 | use exhausting::{Exhausting, IteratorExt};
Dec 05 02:41:48.739 INFO [stderr]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
Dec 05 02:41:48.739 INFO [stderr]    |
Dec 05 02:41:48.739 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 02:41:48.739 INFO [stderr] 
Dec 05 02:41:48.739 INFO [stderr] warning: unused import: `StreamElement`
Dec 05 02:41:48.739 INFO [stderr]   --> src/lib.rs:14:44
Dec 05 02:41:48.739 INFO [stderr]    |
Dec 05 02:41:48.739 INFO [stderr] 14 | use drain_element_streaming::{StreamDrain, StreamElement};
Dec 05 02:41:48.739 INFO [stderr]    |                                            ^^^^^^^^^^^^^
Dec 05 02:41:48.739 INFO [stderr] 
Dec 05 02:41:48.739 INFO [stderr] warning: unused import: `CursorIter`
Dec 05 02:41:48.739 INFO [stderr]   --> src/lib.rs:17:22
Dec 05 02:41:48.739 INFO [stderr]    |
Dec 05 02:41:48.739 INFO [stderr] 17 | use cursor::{Cursor, CursorIter};
Dec 05 02:41:48.739 INFO [stderr]    |                      ^^^^^^^^^^
Dec 05 02:41:48.739 INFO [stderr] 
Dec 05 02:41:48.779 INFO [stderr] warning: unused variable: `rg`
Dec 05 02:41:48.783 INFO [stderr]   --> src/lib.rs:58:24
Dec 05 02:41:48.783 INFO [stderr]    |
Dec 05 02:41:48.783 INFO [stderr] 58 |     pub fn range(self, rg: std::ops::Range<usize>) -> Self {
Dec 05 02:41:48.783 INFO [stderr]    |                        ^^ help: consider using `_rg` instead
Dec 05 02:41:48.783 INFO [stderr]    |
Dec 05 02:41:48.783 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:41:48.783 INFO [stderr] 
Dec 05 02:41:48.844 INFO [stderr] warning: method is never used: `take`
Dec 05 02:41:48.844 INFO [stderr]    --> src/cursor.rs:225:5
Dec 05 02:41:48.844 INFO [stderr]     |
Dec 05 02:41:48.844 INFO [stderr] 225 |     fn take(self) -> T {
Dec 05 02:41:48.844 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 05 02:41:48.844 INFO [stderr]     |
Dec 05 02:41:48.847 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 02:41:48.847 INFO [stderr] 
Dec 05 02:41:49.064 INFO [stderr] warning: unused variable: `rg`
Dec 05 02:41:49.064 INFO [stderr]   --> src/lib.rs:58:24
Dec 05 02:41:49.064 INFO [stderr]    |
Dec 05 02:41:49.064 INFO [stderr] 58 |     pub fn range(self, rg: std::ops::Range<usize>) -> Self {
Dec 05 02:41:49.064 INFO [stderr]    |                        ^^ help: consider using `_rg` instead
Dec 05 02:41:49.064 INFO [stderr]    |
Dec 05 02:41:49.064 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:41:49.064 INFO [stderr] 
Dec 05 02:41:49.135 INFO [stderr] warning: method is never used: `take`
Dec 05 02:41:49.135 INFO [stderr]    --> src/cursor.rs:225:5
Dec 05 02:41:49.135 INFO [stderr]     |
Dec 05 02:41:49.135 INFO [stderr] 225 |     fn take(self) -> T {
Dec 05 02:41:49.135 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 05 02:41:49.135 INFO [stderr]     |
Dec 05 02:41:49.135 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 02:41:49.135 INFO [stderr] 
Dec 05 02:41:50.211 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
Dec 05 02:41:50.221 INFO [stderr] su: No module specific data is present
Dec 05 02:41:51.228 INFO running `"docker" "inspect" "759533131b03b329abb16a2a2a304cead0682faf123dd8b7b5357955c5c45a8d"`
Dec 05 02:41:51.551 INFO running `"docker" "rm" "-f" "759533131b03b329abb16a2a2a304cead0682faf123dd8b7b5357955c5c45a8d"`
Dec 05 02:41:51.905 INFO [stdout] 759533131b03b329abb16a2a2a304cead0682faf123dd8b7b5357955c5c45a8d