[INFO] fetching crate tracing-opentelemetry 0.7.0...
[INFO] checking tracing-opentelemetry-0.7.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate tracing-opentelemetry 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tracing-opentelemetry 0.7.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-opentelemetry 0.7.0
[INFO] finished tweaking crates.io crate tracing-opentelemetry 0.7.0
[INFO] tweaked toml for crates.io crate tracing-opentelemetry 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded opentelemetry v0.8.0
[INFO] [stderr]   Downloaded thrift v0.13.0
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.7.0
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d5ca1b910a9c91ca7a7eb24aa2cdc4569a8a2217f052263e0fcda04970aaa6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20d5ca1b910a9c91ca7a7eb24aa2cdc4569a8a2217f052263e0fcda04970aaa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d5ca1b910a9c91ca7a7eb24aa2cdc4569a8a2217f052263e0fcda04970aaa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d5ca1b910a9c91ca7a7eb24aa2cdc4569a8a2217f052263e0fcda04970aaa6", kill_on_drop: false }`
[INFO] [stdout] 20d5ca1b910a9c91ca7a7eb24aa2cdc4569a8a2217f052263e0fcda04970aaa6
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 529049119e5e6a7c22cfa7af5e8410404046e8e89b7c3f4a50eab231489d9454
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "529049119e5e6a7c22cfa7af5e8410404046e8e89b7c3f4a50eab231489d9454", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.13
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking opentelemetry v0.8.0
[INFO] [stderr]     Checking opentelemetry-jaeger v0.7.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.16s
[INFO] running `Command { std: "docker" "inspect" "529049119e5e6a7c22cfa7af5e8410404046e8e89b7c3f4a50eab231489d9454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529049119e5e6a7c22cfa7af5e8410404046e8e89b7c3f4a50eab231489d9454", kill_on_drop: false }`
[INFO] [stdout] 529049119e5e6a7c22cfa7af5e8410404046e8e89b7c3f4a50eab231489d9454