[INFO] cloning repository https://github.com/GeorgeHahn/tracing-minimal-reproduction [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GeorgeHahn/tracing-minimal-reproduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorgeHahn%2Ftracing-minimal-reproduction", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorgeHahn%2Ftracing-minimal-reproduction'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 95b9191dbebb3c5fee8ab62faccecf36762ef563 [INFO] testing GeorgeHahn/tracing-minimal-reproduction against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorgeHahn%2Ftracing-minimal-reproduction" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction [INFO] finished tweaking git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction [INFO] tweaked toml for git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/GeorgeHahn/tracing-minimal-reproduction already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sharded-slab v0.0.9 [INFO] [stderr] Downloaded tracing-subscriber v0.2.9 [INFO] [stderr] Downloaded protobuf v2.16.2 [INFO] [stderr] Downloaded opentelemetry v0.6.0 [INFO] [stderr] Downloaded integer-encoding v1.1.5 [INFO] [stderr] Downloaded tracing v0.1.17 [INFO] [stderr] Downloaded tracing-serde v0.1.1 [INFO] [stderr] Downloaded thrift v0.13.0 [INFO] [stderr] Downloaded tracing-opentelemetry v0.5.0 [INFO] [stderr] Downloaded opentelemetry-jaeger v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70b0daf2b48c249e37f4c1956210d3bb1d73928c830a10b3e258bbff950a858f [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" "70b0daf2b48c249e37f4c1956210d3bb1d73928c830a10b3e258bbff950a858f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70b0daf2b48c249e37f4c1956210d3bb1d73928c830a10b3e258bbff950a858f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70b0daf2b48c249e37f4c1956210d3bb1d73928c830a10b3e258bbff950a858f", kill_on_drop: false }` [INFO] [stdout] 70b0daf2b48c249e37f4c1956210d3bb1d73928c830a10b3e258bbff950a858f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 7de02851830facfc4c64aa94f54653445d89ab521e6d23a545d08be974e837aa [INFO] running `Command { std: "docker" "start" "-a" "7de02851830facfc4c64aa94f54653445d89ab521e6d23a545d08be974e837aa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling protobuf v2.16.2 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling prometheus v0.7.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling smallvec v1.4.1 [INFO] [stderr] Compiling integer-encoding v1.1.5 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling tracing-core v0.1.11 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling sharded-slab v0.0.9 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling ordered-float v1.1.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling thrift v0.13.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling chrono v0.4.13 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tracing-serde v0.1.1 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling tracing-subscriber v0.2.9 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tracing-attributes v0.1.9 [INFO] [stderr] Compiling tracing v0.1.17 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling tracing-futures v0.2.4 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling opentelemetry v0.6.0 [INFO] [stderr] Compiling tracing-opentelemetry v0.5.0 [INFO] [stderr] Compiling opentelemetry-jaeger v0.5.0 [INFO] [stderr] Compiling tracing-minrepr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 11s [INFO] running `Command { std: "docker" "inspect" "7de02851830facfc4c64aa94f54653445d89ab521e6d23a545d08be974e837aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7de02851830facfc4c64aa94f54653445d89ab521e6d23a545d08be974e837aa", kill_on_drop: false }` [INFO] [stdout] 7de02851830facfc4c64aa94f54653445d89ab521e6d23a545d08be974e837aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 4b06eb885745fad4c2ae42ac241bca5fbdfb6006b301f99a8bb96400938e08c0 [INFO] running `Command { std: "docker" "start" "-a" "4b06eb885745fad4c2ae42ac241bca5fbdfb6006b301f99a8bb96400938e08c0", kill_on_drop: false }` [INFO] [stderr] Compiling tracing-minrepr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "4b06eb885745fad4c2ae42ac241bca5fbdfb6006b301f99a8bb96400938e08c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b06eb885745fad4c2ae42ac241bca5fbdfb6006b301f99a8bb96400938e08c0", kill_on_drop: false }` [INFO] [stdout] 4b06eb885745fad4c2ae42ac241bca5fbdfb6006b301f99a8bb96400938e08c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 13de252d8cd8d15226022cab454ee52631ac7f4e80f78bed7dc4f202dfb829dc [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" "13de252d8cd8d15226022cab454ee52631ac7f4e80f78bed7dc4f202dfb829dc", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tracing_minrepr-7257a0ac16e962cd [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "13de252d8cd8d15226022cab454ee52631ac7f4e80f78bed7dc4f202dfb829dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13de252d8cd8d15226022cab454ee52631ac7f4e80f78bed7dc4f202dfb829dc", kill_on_drop: false }` [INFO] [stdout] 13de252d8cd8d15226022cab454ee52631ac7f4e80f78bed7dc4f202dfb829dc