[INFO] updating cached repository Emerentius/drain_experiments
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Emerentius/drain_experiments
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Emerentius/drain_experiments" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Emerentius/drain_experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Emerentius/drain_experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Emerentius/drain_experiments" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Emerentius/drain_experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Emerentius/drain_experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d693978cc0ae5cbb701145ae3d12f15e8ac80e7
[INFO] sha for GitHub repo Emerentius/drain_experiments: 5d693978cc0ae5cbb701145ae3d12f15e8ac80e7
[INFO] validating manifest of Emerentius/drain_experiments on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Emerentius/drain_experiments on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Emerentius/drain_experiments
[INFO] finished frobbing Emerentius/drain_experiments
[INFO] frobbed toml for Emerentius/drain_experiments written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Emerentius/drain_experiments/Cargo.toml
[INFO] started frobbing Emerentius/drain_experiments
[INFO] finished frobbing Emerentius/drain_experiments
[INFO] frobbed toml for Emerentius/drain_experiments written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Emerentius/drain_experiments/Cargo.toml
[INFO] crate Emerentius/drain_experiments already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Emerentius/drain_experiments against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-7/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Emerentius/drain_experiments:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e6582712807465c13ea05a0cbd4a92abbb516c82ad5b4c6255679f4e5c9b682f
[INFO] running `"docker" "start" "-a" "e6582712807465c13ea05a0cbd4a92abbb516c82ad5b4c6255679f4e5c9b682f"`
[INFO] [stderr]     Checking try_drain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Exhausting`, `IteratorExt`
[INFO] [stderr]   --> src/lib.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | use exhausting::{Exhausting, IteratorExt};
[INFO] [stderr]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StreamElement`
[INFO] [stderr]   --> src/lib.rs:14:44
[INFO] [stderr]    |
[INFO] [stderr] 14 | use drain_element_streaming::{StreamDrain, StreamElement};
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CursorIter`
[INFO] [stderr]   --> src/lib.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 | use cursor::{Cursor, CursorIter};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Exhausting`, `IteratorExt`
[INFO] [stderr]   --> src/lib.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | use exhausting::{Exhausting, IteratorExt};
[INFO] [stderr]    |                  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StreamElement`
[INFO] [stderr]   --> src/lib.rs:14:44
[INFO] [stderr]    |
[INFO] [stderr] 14 | use drain_element_streaming::{StreamDrain, StreamElement};
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CursorIter`
[INFO] [stderr]   --> src/lib.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 | use cursor::{Cursor, CursorIter};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rg`
[INFO] [stderr]   --> src/lib.rs:58:24
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn range(self, rg: std::ops::Range<usize>) -> Self {
[INFO] [stderr]    |                        ^^ help: consider prefixing with an underscore: `_rg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rg`
[INFO] [stderr]   --> src/lib.rs:58:24
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn range(self, rg: std::ops::Range<usize>) -> Self {
[INFO] [stderr]    |                        ^^ help: consider prefixing with an underscore: `_rg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `take`
[INFO] [stderr]    --> src/cursor.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn take(self) -> T {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `take`
[INFO] [stderr]    --> src/cursor.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn take(self) -> T {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "e6582712807465c13ea05a0cbd4a92abbb516c82ad5b4c6255679f4e5c9b682f"`
[INFO] running `"docker" "rm" "-f" "e6582712807465c13ea05a0cbd4a92abbb516c82ad5b4c6255679f4e5c9b682f"`
[INFO] [stdout] e6582712807465c13ea05a0cbd4a92abbb516c82ad5b4c6255679f4e5c9b682f