[INFO] fetching crate opentracing-rs 0.1.2...
[INFO] checking opentracing-rs-0.1.2 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate opentracing-rs 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate opentracing-rs 0.1.2 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate opentracing-rs 0.1.2
[INFO] finished tweaking crates.io crate opentracing-rs 0.1.2
[INFO] tweaked toml for crates.io crate opentracing-rs 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4c51f25fb432d0dbfa686b51b3a2af818e89d0707c6b986309e9bb782c52d0f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4c51f25fb432d0dbfa686b51b3a2af818e89d0707c6b986309e9bb782c52d0f1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking opentracing-rs-core v0.1.0
[INFO] [stderr]     Checking opentracing-rs-jaeger v0.1.0
[INFO] [stderr]     Checking opentracing-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `opentracing_rs::jaeger::TransportProtocol`
[INFO] [stderr]   --> examples/jaeger.rs:10:38
[INFO] [stderr]    |
[INFO] [stderr] 10 |     jaeger::{Tracer as JaegerTracer, TransportProtocol},
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ no `TransportProtocol` in `jaeger`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `builder` found for type `opentracing_rs::opentracing_rs_jaeger::Tracer<_, _>` in the current scope
[INFO] [stderr]   --> examples/jaeger.rs:16:40
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut tracer = JaegerTracer::builder()
[INFO] [stderr]    |                                        ^^^^^^^ function or associated item not found in `opentracing_rs::opentracing_rs_jaeger::Tracer<_, _>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SpanBuilder`
[INFO] [stderr]   --> examples/jaeger.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     SpanBuilder, Tracer,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tracer`
[INFO] [stderr]   --> examples/jaeger.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |     SpanBuilder, Tracer,
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `opentracing-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4c51f25fb432d0dbfa686b51b3a2af818e89d0707c6b986309e9bb782c52d0f1"`
[INFO] running `"docker" "rm" "-f" "4c51f25fb432d0dbfa686b51b3a2af818e89d0707c6b986309e9bb782c52d0f1"`
[INFO] [stdout] 4c51f25fb432d0dbfa686b51b3a2af818e89d0707c6b986309e9bb782c52d0f1