[INFO] fetching crate sp-tracing 2.0.0-rc5...
[INFO] checking sp-tracing-2.0.0-rc5 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate sp-tracing 2.0.0-rc5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sp-tracing 2.0.0-rc5 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-tracing 2.0.0-rc5
[INFO] finished tweaking crates.io crate sp-tracing 2.0.0-rc5
[INFO] tweaked toml for crates.io crate sp-tracing 2.0.0-rc5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", 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] 306ab902f8b1aaeecc9815ca704c4333541115d435e187d777f725392e4c651d
[INFO] running `Command { std: "docker" "start" "-a" "306ab902f8b1aaeecc9815ca704c4333541115d435e187d777f725392e4c651d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "306ab902f8b1aaeecc9815ca704c4333541115d435e187d777f725392e4c651d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306ab902f8b1aaeecc9815ca704c4333541115d435e187d777f725392e4c651d", kill_on_drop: false }`
[INFO] [stdout] 306ab902f8b1aaeecc9815ca704c4333541115d435e187d777f725392e4c651d
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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] e2101ccfcdb4f51397591bf6d1fdf217078552fd5d2ed79a8013093c5b901a77
[INFO] running `Command { std: "docker" "start" "-a" "e2101ccfcdb4f51397591bf6d1fdf217078552fd5d2ed79a8013093c5b901a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.10
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking sp-tracing v2.0.0-rc5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.46s
[INFO] running `Command { std: "docker" "inspect" "e2101ccfcdb4f51397591bf6d1fdf217078552fd5d2ed79a8013093c5b901a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2101ccfcdb4f51397591bf6d1fdf217078552fd5d2ed79a8013093c5b901a77", kill_on_drop: false }`
[INFO] [stdout] e2101ccfcdb4f51397591bf6d1fdf217078552fd5d2ed79a8013093c5b901a77