[INFO] crate domain-resolv 0.4.0 is already in cache
[INFO] extracting crate domain-resolv 0.4.0 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/domain-resolv/0.4.0
[INFO] extracting crate domain-resolv 0.4.0 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/domain-resolv/0.4.0
[INFO] validating manifest of domain-resolv-0.4.0 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of domain-resolv-0.4.0 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing domain-resolv-0.4.0
[INFO] finished frobbing domain-resolv-0.4.0
[INFO] frobbed toml for domain-resolv-0.4.0 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/domain-resolv/0.4.0/Cargo.toml
[INFO] started frobbing domain-resolv-0.4.0
[INFO] finished frobbing domain-resolv-0.4.0
[INFO] frobbed toml for domain-resolv-0.4.0 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/domain-resolv/0.4.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking domain-resolv-0.4.0 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/domain-resolv/0.4.0:/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cdc3c5ecf88a1636eaddcff39b241412cc64e6f70158eb1ebaeee1fa875fd8d9
[INFO] running `"docker" "start" "-a" "cdc3c5ecf88a1636eaddcff39b241412cc64e6f70158eb1ebaeee1fa875fd8d9"`
[INFO] [stderr]     Checking domain-core v0.4.0
[INFO] [stderr]     Checking domain-resolv v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] error: ambiguous associated item
[INFO] [stderr]   --> src/stub/net/udp.rs:86:53
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn poll(&mut self) -> Result<Async<Self::Item>, Self::Error> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^ help: use fully-qualified syntax: `<stub::net::udp::UdpQuery as Trait>::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(ambiguous_associated_items)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Error` could refer to variant defined here
[INFO] [stderr]   --> src/stub/net/udp.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Error(Option<io::Error>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: `Error` could also refer to associated type defined here
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.27/src/future/mod.rs:184:5
[INFO] [stderr]    |
[INFO] [stderr] 184|     type Error;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `domain-resolv`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: ambiguous associated item
[INFO] [stderr]   --> src/stub/net/udp.rs:86:53
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn poll(&mut self) -> Result<Async<Self::Item>, Self::Error> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^ help: use fully-qualified syntax: `<stub::net::udp::UdpQuery as Trait>::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(ambiguous_associated_items)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Error` could refer to variant defined here
[INFO] [stderr]   --> src/stub/net/udp.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Error(Option<io::Error>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: `Error` could also refer to associated type defined here
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.27/src/future/mod.rs:184:5
[INFO] [stderr]    |
[INFO] [stderr] 184|     type Error;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `domain-resolv`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cdc3c5ecf88a1636eaddcff39b241412cc64e6f70158eb1ebaeee1fa875fd8d9"`
[INFO] running `"docker" "rm" "-f" "cdc3c5ecf88a1636eaddcff39b241412cc64e6f70158eb1ebaeee1fa875fd8d9"`
[INFO] [stdout] cdc3c5ecf88a1636eaddcff39b241412cc64e6f70158eb1ebaeee1fa875fd8d9