[INFO] fetching crate tracing-opentelemetry 0.14.0...
[INFO] checking tracing-opentelemetry-0.14.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate tracing-opentelemetry 0.14.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tracing-opentelemetry 0.14.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-opentelemetry 0.14.0
[INFO] finished tweaking crates.io crate tracing-opentelemetry 0.14.0
[INFO] tweaked toml for crates.io crate tracing-opentelemetry 0.14.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa04d3ccb1cf8f951b37e9437cea4979c4872dc949e889f8f3414e59570aaca6
[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" "aa04d3ccb1cf8f951b37e9437cea4979c4872dc949e889f8f3414e59570aaca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa04d3ccb1cf8f951b37e9437cea4979c4872dc949e889f8f3414e59570aaca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa04d3ccb1cf8f951b37e9437cea4979c4872dc949e889f8f3414e59570aaca6", kill_on_drop: false }`
[INFO] [stdout] aa04d3ccb1cf8f951b37e9437cea4979c4872dc949e889f8f3414e59570aaca6
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7a1712e49c260f496c0f7db87c4fe513ab3c13e433e93f22ca6894a6340b9b1
[INFO] running `Command { std: "docker" "start" "-a" "f7a1712e49c260f496c0f7db87c4fe513ab3c13e433e93f22ca6894a6340b9b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking opentelemetry v0.15.0
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking opentelemetry-jaeger v0.14.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.84s
[INFO] running `Command { std: "docker" "inspect" "f7a1712e49c260f496c0f7db87c4fe513ab3c13e433e93f22ca6894a6340b9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a1712e49c260f496c0f7db87c4fe513ab3c13e433e93f22ca6894a6340b9b1", kill_on_drop: false }`
[INFO] [stdout] f7a1712e49c260f496c0f7db87c4fe513ab3c13e433e93f22ca6894a6340b9b1