[INFO] fetching crate tracing-stackdriver 0.1.0...
[INFO] checking tracing-stackdriver-0.1.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate tracing-stackdriver 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tracing-stackdriver 0.1.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-stackdriver 0.1.0
[INFO] finished tweaking crates.io crate tracing-stackdriver 0.1.0
[INFO] tweaked toml for crates.io crate tracing-stackdriver 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4848a1f305e79b39651aded37dbb0178f1b8d233c71a544c7c6fbb12bdbe324f
[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" "4848a1f305e79b39651aded37dbb0178f1b8d233c71a544c7c6fbb12bdbe324f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4848a1f305e79b39651aded37dbb0178f1b8d233c71a544c7c6fbb12bdbe324f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4848a1f305e79b39651aded37dbb0178f1b8d233c71a544c7c6fbb12bdbe324f", kill_on_drop: false }`
[INFO] [stdout] 4848a1f305e79b39651aded37dbb0178f1b8d233c71a544c7c6fbb12bdbe324f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88d302ea1a2ecb114a71b9ea1ac87533a3f9dc64d1839e3f4eab77eb18d3c79f
[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" "88d302ea1a2ecb114a71b9ea1ac87533a3f9dc64d1839e3f4eab77eb18d3c79f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking tracing-stackdriver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.48s
[INFO] running `Command { std: "docker" "inspect" "88d302ea1a2ecb114a71b9ea1ac87533a3f9dc64d1839e3f4eab77eb18d3c79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d302ea1a2ecb114a71b9ea1ac87533a3f9dc64d1839e3f4eab77eb18d3c79f", kill_on_drop: false }`
[INFO] [stdout] 88d302ea1a2ecb114a71b9ea1ac87533a3f9dc64d1839e3f4eab77eb18d3c79f