[INFO] crate hue_persistence 0.2.5 is already in cache
[INFO] extracting crate hue_persistence 0.2.5 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/hue_persistence/0.2.5
[INFO] extracting crate hue_persistence 0.2.5 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hue_persistence/0.2.5
[INFO] validating manifest of hue_persistence-0.2.5 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hue_persistence-0.2.5 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hue_persistence-0.2.5
[INFO] finished frobbing hue_persistence-0.2.5
[INFO] frobbed toml for hue_persistence-0.2.5 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/hue_persistence/0.2.5/Cargo.toml
[INFO] started frobbing hue_persistence-0.2.5
[INFO] finished frobbing hue_persistence-0.2.5
[INFO] frobbed toml for hue_persistence-0.2.5 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hue_persistence/0.2.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking hue_persistence-0.2.5 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hue_persistence/0.2.5:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b89c8ff74887521a70c574587a248c8eb10355a28d35d584b473a2b73e12740a
[INFO] running `"docker" "start" "-a" "b89c8ff74887521a70c574587a248c8eb10355a28d35d584b473a2b73e12740a"`
[INFO] [stderr]    Compiling philipshue v0.2.4
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking ifaces v0.0.3
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]    Compiling serde_derive v0.8.23
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking ssdp v0.5.0
[INFO] [stderr] error[E0635]: unknown feature `lookup_host`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ssdp-0.5.0/src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(lookup_host, ip)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: Could not compile `ssdp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b89c8ff74887521a70c574587a248c8eb10355a28d35d584b473a2b73e12740a"`
[INFO] running `"docker" "rm" "-f" "b89c8ff74887521a70c574587a248c8eb10355a28d35d584b473a2b73e12740a"`
[INFO] [stdout] b89c8ff74887521a70c574587a248c8eb10355a28d35d584b473a2b73e12740a