[INFO] cloning repository https://github.com/danburkert/tracing-json-fmt-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danburkert/tracing-json-fmt-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanburkert%2Ftracing-json-fmt-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanburkert%2Ftracing-json-fmt-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f06c543b8d632587a7953154154e7719424e7f3
[INFO] testing danburkert/tracing-json-fmt-repro against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanburkert%2Ftracing-json-fmt-repro" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danburkert/tracing-json-fmt-repro on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danburkert/tracing-json-fmt-repro
[INFO] finished tweaking git repo https://github.com/danburkert/tracing-json-fmt-repro
[INFO] tweaked toml for git repo https://github.com/danburkert/tracing-json-fmt-repro written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/danburkert/tracing-json-fmt-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v0.4.10
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.5
[INFO] [stderr]   Downloaded threadpool v1.8.0
[INFO] [stderr]   Downloaded tracing v0.1.13
[INFO] [stderr]   Downloaded tracing-attributes v0.1.7
[INFO] [stderr]   Downloaded opentelemetry v0.4.0
[INFO] [stderr]   Downloaded pin-project v0.4.10
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.3.1
[INFO] [stderr]   Downloaded tracing-serde v0.1.1
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 7d8bb185b787beb3542d4aece4c3f25a993b38c4c4b863a2528f1b771e0f5040
[INFO] running `Command { std: "docker" "start" "-a" "7d8bb185b787beb3542d4aece4c3f25a993b38c4c4b863a2528f1b771e0f5040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d8bb185b787beb3542d4aece4c3f25a993b38c4c4b863a2528f1b771e0f5040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8bb185b787beb3542d4aece4c3f25a993b38c4c4b863a2528f1b771e0f5040", kill_on_drop: false }`
[INFO] [stdout] 7d8bb185b787beb3542d4aece4c3f25a993b38c4c4b863a2528f1b771e0f5040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e779c27b203af93e843e44221067ffc5096f9ede04eb87de13890fb574d16c15
[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" "e779c27b203af93e843e44221067ffc5096f9ede04eb87de13890fb574d16c15", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling integer-encoding v1.1.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling tracing-subscriber v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling pin-project v0.4.10
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling opentelemetry v0.4.0
[INFO] [stderr]    Compiling opentelemetry-jaeger v0.3.0
[INFO] [stderr]    Compiling tracing-opentelemetry v0.3.1
[INFO] [stderr]    Compiling tracing-json-fmt-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "e779c27b203af93e843e44221067ffc5096f9ede04eb87de13890fb574d16c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e779c27b203af93e843e44221067ffc5096f9ede04eb87de13890fb574d16c15", kill_on_drop: false }`
[INFO] [stdout] e779c27b203af93e843e44221067ffc5096f9ede04eb87de13890fb574d16c15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd3aadd0fdc611741dd49d726c700c9f9fbc86c1d2d6311aebdbbf32c8a4281
[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" "6fd3aadd0fdc611741dd49d726c700c9f9fbc86c1d2d6311aebdbbf32c8a4281", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-json-fmt-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "6fd3aadd0fdc611741dd49d726c700c9f9fbc86c1d2d6311aebdbbf32c8a4281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd3aadd0fdc611741dd49d726c700c9f9fbc86c1d2d6311aebdbbf32c8a4281", kill_on_drop: false }`
[INFO] [stdout] 6fd3aadd0fdc611741dd49d726c700c9f9fbc86c1d2d6311aebdbbf32c8a4281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d414489360b61b4c10b1414b847694f7722847e388c9aeb8bf570b496ad10098
[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" "d414489360b61b4c10b1414b847694f7722847e388c9aeb8bf570b496ad10098", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_json_fmt_repro-cce01f2e6b4c13b8
[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" "d414489360b61b4c10b1414b847694f7722847e388c9aeb8bf570b496ad10098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d414489360b61b4c10b1414b847694f7722847e388c9aeb8bf570b496ad10098", kill_on_drop: false }`
[INFO] [stdout] d414489360b61b4c10b1414b847694f7722847e388c9aeb8bf570b496ad10098
