[INFO] crate sp-tracing 2.0.0-rc4 is already in cache
[INFO] testing sp-tracing-2.0.0-rc4 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate sp-tracing 2.0.0-rc4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sp-tracing 2.0.0-rc4 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-tracing 2.0.0-rc4
[INFO] finished tweaking crates.io crate sp-tracing 2.0.0-rc4
[INFO] tweaked toml for crates.io crate sp-tracing 2.0.0-rc4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33dfd5cc76151179b84759d43202c2afb42a491bdf6a2a1de568093b7772d906
[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" "33dfd5cc76151179b84759d43202c2afb42a491bdf6a2a1de568093b7772d906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33dfd5cc76151179b84759d43202c2afb42a491bdf6a2a1de568093b7772d906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33dfd5cc76151179b84759d43202c2afb42a491bdf6a2a1de568093b7772d906", kill_on_drop: false }`
[INFO] [stdout] 33dfd5cc76151179b84759d43202c2afb42a491bdf6a2a1de568093b7772d906
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] fedb9c8806046f6f605b18d810ea6bcb968962e7eaceb734da14a69f058f05b2
[INFO] running `Command { std: "docker" "start" "-a" "fedb9c8806046f6f605b18d810ea6bcb968962e7eaceb734da14a69f058f05b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.11
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling tracing v0.1.17
[INFO] [stderr]    Compiling rental v0.5.5
[INFO] [stderr]    Compiling sp-tracing v2.0.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.99s
[INFO] running `Command { std: "docker" "inspect" "fedb9c8806046f6f605b18d810ea6bcb968962e7eaceb734da14a69f058f05b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fedb9c8806046f6f605b18d810ea6bcb968962e7eaceb734da14a69f058f05b2", kill_on_drop: false }`
[INFO] [stdout] fedb9c8806046f6f605b18d810ea6bcb968962e7eaceb734da14a69f058f05b2
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--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] babae2b0c00d220303f5ed2fdd11b08c8c0509f98839aad1d9715d22e338341f
[INFO] running `Command { std: "docker" "start" "-a" "babae2b0c00d220303f5ed2fdd11b08c8c0509f98839aad1d9715d22e338341f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-tracing v2.0.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "babae2b0c00d220303f5ed2fdd11b08c8c0509f98839aad1d9715d22e338341f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "babae2b0c00d220303f5ed2fdd11b08c8c0509f98839aad1d9715d22e338341f", kill_on_drop: false }`
[INFO] [stdout] babae2b0c00d220303f5ed2fdd11b08c8c0509f98839aad1d9715d22e338341f
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] 3f229dfae2d1e9b35cbaa6fcdf0c49db938bd0e4ca1ec773d535042e8029cff6
[INFO] running `Command { std: "docker" "start" "-a" "3f229dfae2d1e9b35cbaa6fcdf0c49db938bd0e4ca1ec773d535042e8029cff6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sp_tracing-e155befcdc2ba6b7
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test proxy::tests::handles_span_exit_scenarios ... ok
[INFO] [stdout] test proxy::tests::max_spans_len_respected ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sp-tracing
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - tracing_span (line 57) ... ok
[INFO] [stdout] test src/lib.rs - enter_span (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f229dfae2d1e9b35cbaa6fcdf0c49db938bd0e4ca1ec773d535042e8029cff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f229dfae2d1e9b35cbaa6fcdf0c49db938bd0e4ca1ec773d535042e8029cff6", kill_on_drop: false }`
[INFO] [stdout] 3f229dfae2d1e9b35cbaa6fcdf0c49db938bd0e4ca1ec773d535042e8029cff6