[INFO] crate futures 0.1.26 is already in cache
[INFO] extracting crate futures 0.1.26 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/futures/0.1.26
[INFO] extracting crate futures 0.1.26 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/futures/0.1.26
[INFO] validating manifest of futures-0.1.26 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 futures-0.1.26 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 futures-0.1.26
[INFO] finished frobbing futures-0.1.26
[INFO] frobbed toml for futures-0.1.26 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/futures/0.1.26/Cargo.toml
[INFO] started frobbing futures-0.1.26
[INFO] finished frobbing futures-0.1.26
[INFO] frobbed toml for futures-0.1.26 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/futures/0.1.26/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 futures-0.1.26 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-0/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/futures/0.1.26:/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] 53d5b5c5a1e16a4c9b49f9eb01136cc9d7b7c49bd33526ff8ddb6d1bc1856e37
[INFO] running `"docker" "start" "-a" "53d5b5c5a1e16a4c9b49f9eb01136cc9d7b7c49bd33526ff8ddb6d1bc1856e37"`
[INFO] [stderr]     Checking futures v0.1.26 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> benches/sync_mpsc.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> tests/bilock.rs:62:38
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let b = stream::iter_ok::<_, ()>((0..N)).fold(b, |b, _n| {
[INFO] [stderr]    |                                      ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `"docker" "inspect" "53d5b5c5a1e16a4c9b49f9eb01136cc9d7b7c49bd33526ff8ddb6d1bc1856e37"`
[INFO] running `"docker" "rm" "-f" "53d5b5c5a1e16a4c9b49f9eb01136cc9d7b7c49bd33526ff8ddb6d1bc1856e37"`
[INFO] [stdout] 53d5b5c5a1e16a4c9b49f9eb01136cc9d7b7c49bd33526ff8ddb6d1bc1856e37