[INFO] fetching crate opentracing-rs 0.1.2...
[INFO] checking opentracing-rs-0.1.2 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate opentracing-rs 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate opentracing-rs 0.1.2 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentracing-rs-jaeger v0.1.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 609b72e20f21c4d44dddd3749f7a8949b2d1aebe861e456bc2a54b5bfc8d451e
[INFO] running `"docker" "start" "-a" "609b72e20f21c4d44dddd3749f7a8949b2d1aebe861e456bc2a54b5bfc8d451e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[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 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 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] running `"docker" "inspect" "609b72e20f21c4d44dddd3749f7a8949b2d1aebe861e456bc2a54b5bfc8d451e"`
[INFO] running `"docker" "rm" "-f" "609b72e20f21c4d44dddd3749f7a8949b2d1aebe861e456bc2a54b5bfc8d451e"`
[INFO] [stdout] 609b72e20f21c4d44dddd3749f7a8949b2d1aebe861e456bc2a54b5bfc8d451e