[INFO] crate opcua-server 0.7.0 is already in cache
[INFO] checking opcua-server-0.7.0 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate opcua-server 0.7.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate opcua-server 0.7.0 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate opcua-server 0.7.0
[INFO] finished tweaking crates.io crate opcua-server 0.7.0
[INFO] tweaked toml for crates.io crate opcua-server 0.7.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 271b3f5d7957ef5cd5d2794f954a03dccdcb646cf777f4c6c66be330f7d6cc95
[INFO] running `"docker" "start" "-a" "271b3f5d7957ef5cd5d2794f954a03dccdcb646cf777f4c6c66be330f7d6cc95"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking openssl-sys v0.9.57
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking opcua-console-logging v0.7.0
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking opcua-types v0.7.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking opcua-core v0.7.0
[INFO] [stderr]     Checking opcua-server v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `server_state`
[INFO] [stderr]   --> src/tests/services/subscription.rs:36:35
[INFO] [stderr]    |
[INFO] [stderr] 36 |     do_subscription_service_test(|server_state, session, _, ss, _| {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `session`
[INFO] [stderr]   --> src/tests/services/subscription.rs:36:49
[INFO] [stderr]    |
[INFO] [stderr] 36 |     do_subscription_service_test(|server_state, session, _, ss, _| {
[INFO] [stderr]    |                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ss`
[INFO] [stderr]   --> src/tests/services/subscription.rs:36:61
[INFO] [stderr]    |
[INFO] [stderr] 36 |     do_subscription_service_test(|server_state, session, _, ss, _| {
[INFO] [stderr]    |                                                             ^^ help: if this is intentional, prefix it with an underscore: `_ss`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subscription_id`
[INFO] [stderr]    --> src/tests/services/subscription.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         let subscription_id = create_subscription(server_state, session, &ss);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subscription_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address_space`
[INFO] [stderr]    --> src/tests/services/subscription.rs:230:58
[INFO] [stderr]     |
[INFO] [stderr] 230 |     do_subscription_service_test(|server_state, session, address_space, ss, mis| {
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address_space`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mis`
[INFO] [stderr]    --> src/tests/services/subscription.rs:230:77
[INFO] [stderr]     |
[INFO] [stderr] 230 |     do_subscription_service_test(|server_state, session, address_space, ss, mis| {
[INFO] [stderr]     |                                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_mis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_state`
[INFO] [stderr]    --> src/tests/services/subscription.rs:240:35
[INFO] [stderr]     |
[INFO] [stderr] 240 |     do_subscription_service_test(|server_state, session, address_space, ss, mis| {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `session`
[INFO] [stderr]    --> src/tests/services/subscription.rs:240:49
[INFO] [stderr]     |
[INFO] [stderr] 240 |     do_subscription_service_test(|server_state, session, address_space, ss, mis| {
[INFO] [stderr]     |                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address_space`
[INFO] [stderr]    --> src/tests/services/subscription.rs:240:58
[INFO] [stderr]     |
[INFO] [stderr] 240 |     do_subscription_service_test(|server_state, session, address_space, ss, mis| {
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address_space`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ss`
[INFO] [stderr]    --> src/tests/services/subscription.rs:240:73
[INFO] [stderr]     |
[INFO] [stderr] 240 |     do_subscription_service_test(|server_state, session, address_space, ss, mis| {
[INFO] [stderr]     |                                                                         ^^ help: if this is intentional, prefix it with an underscore: `_ss`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mis`
[INFO] [stderr]    --> src/tests/services/subscription.rs:240:77
[INFO] [stderr]     |
[INFO] [stderr] 240 |     do_subscription_service_test(|server_state, session, address_space, ss, mis| {
[INFO] [stderr]     |                                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_mis`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `"docker" "inspect" "271b3f5d7957ef5cd5d2794f954a03dccdcb646cf777f4c6c66be330f7d6cc95"`
[INFO] running `"docker" "rm" "-f" "271b3f5d7957ef5cd5d2794f954a03dccdcb646cf777f4c6c66be330f7d6cc95"`
[INFO] [stdout] 271b3f5d7957ef5cd5d2794f954a03dccdcb646cf777f4c6c66be330f7d6cc95