Dec 06 14:18:46.541 INFO testing Emerentius/drain_experiments against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 14:18:46.541 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 14:18:46.719 INFO [stdout] 3885c5872cefcc885f0d7bca30e125c37e18188be658fb0eb980cb517ff405b8
Dec 06 14:18:46.721 INFO running `"docker" "start" "-a" "3885c5872cefcc885f0d7bca30e125c37e18188be658fb0eb980cb517ff405b8"`
Dec 06 14:18:47.096 INFO [stderr] usermod: no changes
Dec 06 14:18:47.127 INFO [stderr]    Compiling try_drain v0.1.0 (/source)
Dec 06 14:18:47.625 INFO [stderr] warning: unused imports: `Exhausting`, `IteratorExt`
Dec 06 14:18:47.626 INFO [stderr]   --> src/lib.rs:11:18
Dec 06 14:18:47.626 INFO [stderr]    |
Dec 06 14:18:47.626 INFO [stderr] 11 | use exhausting::{Exhausting, IteratorExt};
Dec 06 14:18:47.626 INFO [stderr]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
Dec 06 14:18:47.626 INFO [stderr]    |
Dec 06 14:18:47.626 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 14:18:47.626 INFO [stderr] 
Dec 06 14:18:47.626 INFO [stderr] warning: unused import: `StreamElement`
Dec 06 14:18:47.626 INFO [stderr]   --> src/lib.rs:14:44
Dec 06 14:18:47.626 INFO [stderr]    |
Dec 06 14:18:47.626 INFO [stderr] 14 | use drain_element_streaming::{StreamDrain, StreamElement};
Dec 06 14:18:47.626 INFO [stderr]    |                                            ^^^^^^^^^^^^^
Dec 06 14:18:47.626 INFO [stderr] 
Dec 06 14:18:47.626 INFO [stderr] warning: unused import: `CursorIter`
Dec 06 14:18:47.626 INFO [stderr]   --> src/lib.rs:17:22
Dec 06 14:18:47.626 INFO [stderr]    |
Dec 06 14:18:47.626 INFO [stderr] 17 | use cursor::{Cursor, CursorIter};
Dec 06 14:18:47.626 INFO [stderr]    |                      ^^^^^^^^^^
Dec 06 14:18:47.626 INFO [stderr] 
Dec 06 14:18:47.731 INFO [stderr] warning: unused variable: `rg`
Dec 06 14:18:47.732 INFO [stderr]   --> src/lib.rs:58:24
Dec 06 14:18:47.732 INFO [stderr]    |
Dec 06 14:18:47.733 INFO [stderr] 58 |     pub fn range(self, rg: std::ops::Range<usize>) -> Self {
Dec 06 14:18:47.733 INFO [stderr]    |                        ^^ help: consider using `_rg` instead
Dec 06 14:18:47.733 INFO [stderr]    |
Dec 06 14:18:47.733 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:18:47.734 INFO [stderr] 
Dec 06 14:18:47.762 INFO [stderr] warning: method is never used: `take`
Dec 06 14:18:47.762 INFO [stderr]    --> src/cursor.rs:225:5
Dec 06 14:18:47.762 INFO [stderr]     |
Dec 06 14:18:47.762 INFO [stderr] 225 |     fn take(self) -> T {
Dec 06 14:18:47.762 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 06 14:18:47.762 INFO [stderr]     |
Dec 06 14:18:47.762 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 06 14:18:47.762 INFO [stderr] 
Dec 06 14:18:47.825 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 06 14:18:47.833 INFO [stderr] su: No module specific data is present
Dec 06 14:18:48.545 INFO running `"docker" "inspect" "3885c5872cefcc885f0d7bca30e125c37e18188be658fb0eb980cb517ff405b8"`
Dec 06 14:18:48.802 INFO running `"docker" "rm" "-f" "3885c5872cefcc885f0d7bca30e125c37e18188be658fb0eb980cb517ff405b8"`
Dec 06 14:18:49.048 INFO [stdout] 3885c5872cefcc885f0d7bca30e125c37e18188be658fb0eb980cb517ff405b8
Dec 06 14:18:49.050 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 14:18:49.443 INFO [stdout] dc1e7cf86e407c60afbeecf8e2b35b71cb9e6ea8eb90cb365335ae8f88119077
Dec 06 14:18:49.445 INFO running `"docker" "start" "-a" "dc1e7cf86e407c60afbeecf8e2b35b71cb9e6ea8eb90cb365335ae8f88119077"`
Dec 06 14:18:50.062 INFO [stderr] usermod: no changes
Dec 06 14:18:50.148 INFO [stderr]    Compiling try_drain v0.1.0 (/source)
Dec 06 14:18:50.696 INFO [stderr] warning: unused imports: `Exhausting`, `IteratorExt`
Dec 06 14:18:50.697 INFO [stderr]   --> src/lib.rs:11:18
Dec 06 14:18:50.697 INFO [stderr]    |
Dec 06 14:18:50.697 INFO [stderr] 11 | use exhausting::{Exhausting, IteratorExt};
Dec 06 14:18:50.698 INFO [stderr]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
Dec 06 14:18:50.698 INFO [stderr]    |
Dec 06 14:18:50.698 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 14:18:50.698 INFO [stderr] 
Dec 06 14:18:50.698 INFO [stderr] warning: unused import: `StreamElement`
Dec 06 14:18:50.698 INFO [stderr]   --> src/lib.rs:14:44
Dec 06 14:18:50.698 INFO [stderr]    |
Dec 06 14:18:50.698 INFO [stderr] 14 | use drain_element_streaming::{StreamDrain, StreamElement};
Dec 06 14:18:50.698 INFO [stderr]    |                                            ^^^^^^^^^^^^^
Dec 06 14:18:50.698 INFO [stderr] 
Dec 06 14:18:50.698 INFO [stderr] warning: unused import: `CursorIter`
Dec 06 14:18:50.698 INFO [stderr]   --> src/lib.rs:17:22
Dec 06 14:18:50.698 INFO [stderr]    |
Dec 06 14:18:50.698 INFO [stderr] 17 | use cursor::{Cursor, CursorIter};
Dec 06 14:18:50.698 INFO [stderr]    |                      ^^^^^^^^^^
Dec 06 14:18:50.698 INFO [stderr] 
Dec 06 14:18:50.812 INFO [stderr] warning: unused variable: `rg`
Dec 06 14:18:50.812 INFO [stderr]   --> src/lib.rs:58:24
Dec 06 14:18:50.812 INFO [stderr]    |
Dec 06 14:18:50.812 INFO [stderr] 58 |     pub fn range(self, rg: std::ops::Range<usize>) -> Self {
Dec 06 14:18:50.812 INFO [stderr]    |                        ^^ help: consider using `_rg` instead
Dec 06 14:18:50.812 INFO [stderr]    |
Dec 06 14:18:50.812 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:18:50.812 INFO [stderr] 
Dec 06 14:18:50.846 INFO [stderr] warning: method is never used: `take`
Dec 06 14:18:50.846 INFO [stderr]    --> src/cursor.rs:225:5
Dec 06 14:18:50.846 INFO [stderr]     |
Dec 06 14:18:50.846 INFO [stderr] 225 |     fn take(self) -> T {
Dec 06 14:18:50.846 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^
Dec 06 14:18:50.846 INFO [stderr]     |
Dec 06 14:18:50.846 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 06 14:18:50.846 INFO [stderr] 
Dec 06 14:18:51.625 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Dec 06 14:18:51.627 INFO [stderr] su: No module specific data is present
Dec 06 14:18:51.885 INFO running `"docker" "inspect" "dc1e7cf86e407c60afbeecf8e2b35b71cb9e6ea8eb90cb365335ae8f88119077"`
Dec 06 14:18:51.982 INFO running `"docker" "rm" "-f" "dc1e7cf86e407c60afbeecf8e2b35b71cb9e6ea8eb90cb365335ae8f88119077"`
Dec 06 14:18:52.097 INFO [stdout] dc1e7cf86e407c60afbeecf8e2b35b71cb9e6ea8eb90cb365335ae8f88119077
Dec 06 14:18:52.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"`
Dec 06 14:18:52.269 INFO [stdout] 271283af9de3c4259447c249f65c3383aaee92e74693c2ec3107eb97a1b56dd6
Dec 06 14:18:52.273 INFO running `"docker" "start" "-a" "271283af9de3c4259447c249f65c3383aaee92e74693c2ec3107eb97a1b56dd6"`
Dec 06 14:18:52.700 INFO [stderr] usermod: no changes
Dec 06 14:18:52.732 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 14:18:52.732 INFO [stderr]      Running /target/debug/deps/try_drain-3e26d666f90db1a2
Dec 06 14:18:52.737 INFO [stderr]      Running /target/debug/deps/lib-f1c39f1a91d12938
Dec 06 14:18:52.737 INFO [stdout] 
Dec 06 14:18:52.737 INFO [stdout] running 0 tests
Dec 06 14:18:52.737 INFO [stdout] 
Dec 06 14:18:52.737 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:18:52.737 INFO [stdout] 
Dec 06 14:18:52.741 INFO [stdout] 
Dec 06 14:18:52.741 INFO [stdout] running 19 tests
Dec 06 14:18:52.770 INFO [stdout] test _0b_bomb_drain ... ok
Dec 06 14:18:52.776 INFO [stdout] test _0a_noop ... ok
Dec 06 14:18:52.781 INFO [stdout] test _0c_bomb_drain_filter ... ok
Dec 06 14:18:52.795 INFO [stdout] test _0e_bomb_stream_drain ... ok
Dec 06 14:18:52.825 INFO [stdout] test _0d_bomb_elem_move_drain ... ok
Dec 06 14:18:52.827 INFO [stdout] test _0f_bomb_cursor ... ok
Dec 06 14:18:52.829 INFO [stdout] test _0d_bomb_elem_try_drain ... ok
Dec 06 14:18:52.835 INFO [stdout] test _0d_bomb_try_drain ... ok
Dec 06 14:18:52.837 INFO [stdout] test _0f_bomb_cursor_iter ... ok
Dec 06 14:18:53.179 INFO [stdout] test _1b_exhaust_string_drain ... ok
Dec 06 14:18:53.351 INFO [stdout] test _1c_exhaust_string_drain_filter ... ok
Dec 06 14:18:53.384 INFO [stdout] test _1d_exhaust_string_elem_move_drain ... ok
Dec 06 14:18:53.402 INFO [stdout] test _1d_exhaust_string_try_drain ... ok
Dec 06 14:18:53.439 INFO [stdout] test _1f_exhaust_string_cursor ... ok
Dec 06 14:18:53.441 INFO [stdout] test _1a_noop ... ok
Dec 06 14:18:53.450 INFO [stdout] test _1d_exhaust_string_elem_try_drain ... ok
Dec 06 14:18:53.457 INFO [stdout] test _1e_exhaust_string_stream_drain ... ok
Dec 06 14:18:53.522 INFO [stdout] test _1f_exhaust_string_cursor_clear ... ok
Dec 06 14:18:53.536 INFO [stdout] test _1f_exhaust_string_cursor_iter ... ok
Dec 06 14:18:53.536 INFO [stdout] 
Dec 06 14:18:53.536 INFO [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:18:53.536 INFO [stdout] 
Dec 06 14:18:53.539 INFO [stderr]    Doc-tests try_drain
Dec 06 14:18:54.065 INFO [stdout] 
Dec 06 14:18:54.065 INFO [stdout] running 0 tests
Dec 06 14:18:54.065 INFO [stdout] 
Dec 06 14:18:54.065 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:18:54.065 INFO [stdout] 
Dec 06 14:18:54.072 INFO [stderr] su: No module specific data is present
Dec 06 14:18:54.336 INFO running `"docker" "inspect" "271283af9de3c4259447c249f65c3383aaee92e74693c2ec3107eb97a1b56dd6"`
Dec 06 14:18:54.408 INFO running `"docker" "rm" "-f" "271283af9de3c4259447c249f65c3383aaee92e74693c2ec3107eb97a1b56dd6"`
Dec 06 14:18:54.495 INFO [stdout] 271283af9de3c4259447c249f65c3383aaee92e74693c2ec3107eb97a1b56dd6