[INFO] crate futures-signals 0.2.4 is already in cache
[INFO] extracting crate futures-signals 0.2.4 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/futures-signals/0.2.4
[INFO] extracting crate futures-signals 0.2.4 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/futures-signals/0.2.4
[INFO] validating manifest of futures-signals-0.2.4 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futures-signals-0.2.4 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/futures-signals/0.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking futures-signals-0.2.4 against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-5/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ae23a73e7aeab240eda0031a991bd8d706c4d6d0ebc58243f5c2b87a8763ba7b
[INFO] running `"docker" "start" "-a" "ae23a73e7aeab240eda0031a991bd8d706c4d6d0ebc58243f5c2b87a8763ba7b"`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.10
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.10
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.10
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.10
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.10
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.10
[INFO] [stderr]     Checking futures-signals v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.10
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `"docker" "inspect" "ae23a73e7aeab240eda0031a991bd8d706c4d6d0ebc58243f5c2b87a8763ba7b"`
[INFO] running `"docker" "rm" "-f" "ae23a73e7aeab240eda0031a991bd8d706c4d6d0ebc58243f5c2b87a8763ba7b"`
[INFO] [stdout] ae23a73e7aeab240eda0031a991bd8d706c4d6d0ebc58243f5c2b87a8763ba7b