[INFO] crate opentracing-rs 0.1.2 is already in cache
[INFO] testing opentracing-rs-0.1.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate opentracing-rs 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate opentracing-rs 0.1.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2357d2c33b690bb17c8d9436b906db68ae9713e96f7efb361cbcab1830ecc3de
[INFO] running `"docker" "start" "-a" "2357d2c33b690bb17c8d9436b906db68ae9713e96f7efb361cbcab1830ecc3de"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling opentracing-rs-core v0.1.0
[INFO] [stderr]    Compiling opentracing-rs-jaeger v0.1.0
[INFO] [stderr]    Compiling opentracing-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `"docker" "inspect" "2357d2c33b690bb17c8d9436b906db68ae9713e96f7efb361cbcab1830ecc3de"`
[INFO] running `"docker" "rm" "-f" "2357d2c33b690bb17c8d9436b906db68ae9713e96f7efb361cbcab1830ecc3de"`
[INFO] [stdout] 2357d2c33b690bb17c8d9436b906db68ae9713e96f7efb361cbcab1830ecc3de
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57494d4d7521d29f5bcd4d8dc43eb6cbd9b8815f44a54574e55f56a2cd10b1f3
[INFO] running `"docker" "start" "-a" "57494d4d7521d29f5bcd4d8dc43eb6cbd9b8815f44a54574e55f56a2cd10b1f3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling 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 struct `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; 2 warnings emitted
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "57494d4d7521d29f5bcd4d8dc43eb6cbd9b8815f44a54574e55f56a2cd10b1f3"`
[INFO] running `"docker" "rm" "-f" "57494d4d7521d29f5bcd4d8dc43eb6cbd9b8815f44a54574e55f56a2cd10b1f3"`
[INFO] [stdout] 57494d4d7521d29f5bcd4d8dc43eb6cbd9b8815f44a54574e55f56a2cd10b1f3