[INFO] fetching crate opcua-server 0.5.0...
[INFO] extracting crate opcua-server 0.5.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/opcua-server/0.5.0
[INFO] extracting crate opcua-server 0.5.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/opcua-server/0.5.0
[INFO] validating manifest of opcua-server-0.5.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of opcua-server-0.5.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing opcua-server-0.5.0
[INFO] finished frobbing opcua-server-0.5.0
[INFO] frobbed toml for opcua-server-0.5.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/opcua-server/0.5.0/Cargo.toml
[INFO] started frobbing opcua-server-0.5.0
[INFO] finished frobbing opcua-server-0.5.0
[INFO] frobbed toml for opcua-server-0.5.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/opcua-server/0.5.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opcua-types v0.5.0
[INFO] [stderr]   Downloaded opcua-core v0.5.0
[INFO] [stderr]   Downloaded opcua-client v0.5.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] building opcua-server-0.5.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/opcua-server/0.5.0:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 013d96a6b3f692e5a39efd196b6d388e1e8707c61a23c1a043c27688c92d952d
[INFO] running `"docker" "start" "-a" "013d96a6b3f692e5a39efd196b6d388e1e8707c61a23c1a043c27688c92d952d"`
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling opcua-types v0.5.0
[INFO] [stderr]    Compiling opcua-core v0.5.0
[INFO] [stderr]    Compiling opcua-client v0.5.0
[INFO] [stderr]    Compiling opcua-server v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `WriteMask` is imported redundantly
[INFO] [stderr]    --> src/services/attribute.rs:181:13
[INFO] [stderr]     |
[INFO] [stderr] 3   | use opcua_types::*;
[INFO] [stderr]     |     -------------- the item `WriteMask` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 181 |         use opcua_types::WriteMask;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]    --> src/server.rs:396:33
[INFO] [stderr]     |
[INFO] [stderr] 396 |                             use std;
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]    --> src/subscriptions/subscription.rs:381:17
[INFO] [stderr]     |
[INFO] [stderr] 381 |             use std;
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `opcua-server`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name opcua_server src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' -C metadata=d999cb93cc9c890f -C extra-filename=-d999cb93cc9c890f --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-e16bba26348a77f5.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-f19c84b6da6f9bb5.rlib --extern futures=/opt/crater/target/debug/deps/libfutures-330fde0ed5f39ce1.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-6b264ec86ae8595d.rlib --extern log=/opt/crater/target/debug/deps/liblog-123e4ee491db5719.rlib --extern opcua_client=/opt/crater/target/debug/deps/libopcua_client-8624e1a02464cdc1.rlib --extern opcua_core=/opt/crater/target/debug/deps/libopcua_core-a290902258200ae0.rlib --extern opcua_types=/opt/crater/target/debug/deps/libopcua_types-5a5836b80acc853f.rlib --extern ring=/opt/crater/target/debug/deps/libring-1113273d05444249.rlib --extern serde=/opt/crater/target/debug/deps/libserde-ee0a745999d717a9.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-6c9ae90dfa128aaf.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-0f4256df9898c97c.rlib --extern time=/opt/crater/target/debug/deps/libtime-090696ea0a79ecae.rlib --extern tokio=/opt/crater/target/debug/deps/libtokio-711c67d7e7253c38.rlib --extern tokio_codec=/opt/crater/target/debug/deps/libtokio_codec-9d59fd3540796b92.rlib --extern tokio_io=/opt/crater/target/debug/deps/libtokio_io-d86457edde4081aa.rlib --extern tokio_timer=/opt/crater/target/debug/deps/libtokio_timer-36d7c986eba0bf37.rlib --cap-lints=forbid -L native=/opt/crater/target/debug/build/ring-d69c543baf638c59/out` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "013d96a6b3f692e5a39efd196b6d388e1e8707c61a23c1a043c27688c92d952d"`
[INFO] running `"docker" "rm" "-f" "013d96a6b3f692e5a39efd196b6d388e1e8707c61a23c1a043c27688c92d952d"`
[INFO] [stdout] 013d96a6b3f692e5a39efd196b6d388e1e8707c61a23c1a043c27688c92d952d