[INFO] crate futures-signals 0.2.4 is already in cache
[INFO] extracting crate futures-signals 0.2.4 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/futures-signals/0.2.4
[INFO] extracting crate futures-signals 0.2.4 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/futures-signals/0.2.4
[INFO] validating manifest of futures-signals-0.2.4 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futures-signals-0.2.4 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing futures-signals-0.2.4
[INFO] finished frobbing futures-signals-0.2.4
[INFO] frobbed toml for futures-signals-0.2.4 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/futures-signals/0.2.4/Cargo.toml
[INFO] started frobbing futures-signals-0.2.4
[INFO] finished frobbing futures-signals-0.2.4
[INFO] frobbed toml for futures-signals-0.2.4 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/futures-signals/0.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking futures-signals-0.2.4 against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-1/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/futures-signals/0.2.4:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8b0a5531c75f7fe872e98b3bda95bfaf83adf26ff2c149e51921400bdbfb1043
[INFO] running `"docker" "start" "-a" "8b0a5531c75f7fe872e98b3bda95bfaf83adf26ff2c149e51921400bdbfb1043"`
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking futures-signals v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]  --> src/signal/broadcaster.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::pin::{Pin, Unpin};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]  --> src/signal/channel.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::pin::{Pin, Unpin};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]  --> src/signal/mutable.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::pin::{Pin, Unpin};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]  --> src/signal/signal.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::pin::{Pin, Unpin};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]  --> src/signal_vec.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::pin::{Pin, Unpin};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]     --> src/signal_vec.rs:1765:25
[INFO] [stderr]      |
[INFO] [stderr] 1765 |     use std::pin::{Pin, Unpin};
[INFO] [stderr]      |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]  --> src/internal.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::pin::{Unpin, Pin};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]  --> src/future.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::pin::{Pin, Unpin};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0603`.
[INFO] [stderr] error: Could not compile `futures-signals`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8b0a5531c75f7fe872e98b3bda95bfaf83adf26ff2c149e51921400bdbfb1043"`
[INFO] running `"docker" "rm" "-f" "8b0a5531c75f7fe872e98b3bda95bfaf83adf26ff2c149e51921400bdbfb1043"`
[INFO] [stdout] 8b0a5531c75f7fe872e98b3bda95bfaf83adf26ff2c149e51921400bdbfb1043