[INFO] crate tracing-opentelemetry 0.1.0 is already in cache
[INFO] checking tracing-opentelemetry-0.1.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate tracing-opentelemetry 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tracing-opentelemetry 0.1.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tracing-opentelemetry 0.1.0
[INFO] finished tweaking crates.io crate tracing-opentelemetry 0.1.0
[INFO] tweaked toml for crates.io crate tracing-opentelemetry 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate tracing-opentelemetry 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 1bf20e0ed4ce4d197a45c591e18b886d0b02a311d87d110c079ecae2349964a4
[INFO] running `"docker" "start" "-a" "1bf20e0ed4ce4d197a45c591e18b886d0b02a311d87d110c079ecae2349964a4"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking sharded-slab v0.0.6
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking tracing-serde v0.1.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.0-alpha.1
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking rustracing v0.2.0
[INFO] [stderr]     Checking thrift_codec v0.1.1
[INFO] [stderr]     Checking rustracing_jaeger v0.2.1
[INFO] [stderr]     Checking opentelemetry v0.1.3
[INFO] [stderr]     Checking tracing-opentelemetry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr] error[E0425]: cannot find value `__tracing_attr_span` in this scope
[INFO] [stderr]   --> examples/report.rs:13:31
[INFO] [stderr]    |
[INFO] [stderr] 13 |   fn expensive_work() -> String {
[INFO] [stderr]    |  _______________________________^
[INFO] [stderr] 14 | |     span!(tracing::Level::INFO, "expensive_step_1")
[INFO] [stderr] 15 | |         .in_scope(|| thread::sleep(Duration::from_millis(25)));
[INFO] [stderr] 16 | |     span!(tracing::Level::INFO, "expensive_step_2")
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |     format!("success")
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `tracing-opentelemetry`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1bf20e0ed4ce4d197a45c591e18b886d0b02a311d87d110c079ecae2349964a4"`
[INFO] running `"docker" "rm" "-f" "1bf20e0ed4ce4d197a45c591e18b886d0b02a311d87d110c079ecae2349964a4"`
[INFO] [stdout] 1bf20e0ed4ce4d197a45c591e18b886d0b02a311d87d110c079ecae2349964a4