Dec 18 16:20:41.109 INFO checking futures-0.1.25 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:20:41.109 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/futures/0.1.25:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:20:41.313 INFO [stdout] d3bdc54ee072a49aec8f02402f68e4186942798ba5ac28c6376c9b52ad3d0533
Dec 18 16:20:41.314 INFO running `"docker" "start" "-a" "d3bdc54ee072a49aec8f02402f68e4186942798ba5ac28c6376c9b52ad3d0533"`
Dec 18 16:20:41.889 INFO [stderr]     Checking futures v0.1.25 (/opt/crater/workdir)
Dec 18 16:20:44.310 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:20:44.310 INFO [stderr]    --> src/future/shared.rs:310:20
Dec 18 16:20:44.310 INFO [stderr]     |
Dec 18 16:20:44.310 INFO [stderr] 310 |         self.error.cause()
Dec 18 16:20:44.310 INFO [stderr]     |                    ^^^^^
Dec 18 16:20:44.310 INFO [stderr]     |
Dec 18 16:20:44.310 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 16:20:44.311 INFO [stderr] 
Dec 18 16:20:44.347 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:20:44.347 INFO [stderr]    --> src/future/shared.rs:310:20
Dec 18 16:20:44.347 INFO [stderr]     |
Dec 18 16:20:44.347 INFO [stderr] 310 |         self.error.cause()
Dec 18 16:20:44.347 INFO [stderr]     |                    ^^^^^
Dec 18 16:20:44.347 INFO [stderr]     |
Dec 18 16:20:44.347 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 16:20:44.347 INFO [stderr] 
Dec 18 16:20:51.192 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 16:20:51.192 INFO [stderr]  --> benches/sync_mpsc.rs:3:1
Dec 18 16:20:51.192 INFO [stderr]   |
Dec 18 16:20:51.192 INFO [stderr] 3 | #[macro_use]
Dec 18 16:20:51.192 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 16:20:51.208 INFO [stderr]   |
Dec 18 16:20:51.208 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:20:51.208 INFO [stderr] 
Dec 18 16:20:53.860 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 16:20:53.860 INFO [stderr]   --> tests/bilock.rs:62:38
Dec 18 16:20:53.860 INFO [stderr]    |
Dec 18 16:20:53.860 INFO [stderr] 62 |     let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| {
Dec 18 16:20:53.860 INFO [stderr]    |                                      ^^^^^^ help: remove these parentheses
Dec 18 16:20:53.860 INFO [stderr]    |
Dec 18 16:20:53.860 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 16:20:53.860 INFO [stderr] 
Dec 18 16:20:54.295 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.43s
Dec 18 16:20:54.604 INFO running `"docker" "inspect" "d3bdc54ee072a49aec8f02402f68e4186942798ba5ac28c6376c9b52ad3d0533"`
Dec 18 16:20:54.680 INFO running `"docker" "rm" "-f" "d3bdc54ee072a49aec8f02402f68e4186942798ba5ac28c6376c9b52ad3d0533"`
Dec 18 16:20:54.762 INFO [stdout] d3bdc54ee072a49aec8f02402f68e4186942798ba5ac28c6376c9b52ad3d0533