[INFO] fetching crate tracing-json 0.1.0...
[INFO] testing tracing-json-0.1.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate tracing-json 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tracing-json 0.1.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-json 0.1.0
[INFO] finished tweaking crates.io crate tracing-json 0.1.0
[INFO] tweaked toml for crates.io crate tracing-json 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate tracing-json 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa8c8218579f374d748a7d8d9ab8fb906632bbba5f28cbea91a12927bb6fed2
[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" "4fa8c8218579f374d748a7d8d9ab8fb906632bbba5f28cbea91a12927bb6fed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa8c8218579f374d748a7d8d9ab8fb906632bbba5f28cbea91a12927bb6fed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa8c8218579f374d748a7d8d9ab8fb906632bbba5f28cbea91a12927bb6fed2", kill_on_drop: false }`
[INFO] [stdout] 4fa8c8218579f374d748a7d8d9ab8fb906632bbba5f28cbea91a12927bb6fed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9380b247090abe359d69df5ec523a4cd8a3e9ebbb9ee2fae8c5c91b5249fe0af
[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" "9380b247090abe359d69df5ec523a4cd8a3e9ebbb9ee2fae8c5c91b5249fe0af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling tracing-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "9380b247090abe359d69df5ec523a4cd8a3e9ebbb9ee2fae8c5c91b5249fe0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9380b247090abe359d69df5ec523a4cd8a3e9ebbb9ee2fae8c5c91b5249fe0af", kill_on_drop: false }`
[INFO] [stdout] 9380b247090abe359d69df5ec523a4cd8a3e9ebbb9ee2fae8c5c91b5249fe0af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa083a1256369c3b9c5b5c88e266ab449638e839564dda5a642b373c2fabc2b0
[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" "aa083a1256369c3b9c5b5c88e266ab449638e839564dda5a642b373c2fabc2b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "aa083a1256369c3b9c5b5c88e266ab449638e839564dda5a642b373c2fabc2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa083a1256369c3b9c5b5c88e266ab449638e839564dda5a642b373c2fabc2b0", kill_on_drop: false }`
[INFO] [stdout] aa083a1256369c3b9c5b5c88e266ab449638e839564dda5a642b373c2fabc2b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] db95750cc1dcc7b626f5a9c4d7f40ea41a709db634c53b9ee72cc0290fbc6dfc
[INFO] running `Command { std: "docker" "start" "-a" "db95750cc1dcc7b626f5a9c4d7f40ea41a709db634c53b9ee72cc0290fbc6dfc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_json-aa82e1528358bddf
[INFO] [stderr]    Doc-tests tracing-json
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test layers::formatter::structured::tracing_json_structured_tests::parse_structured ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "db95750cc1dcc7b626f5a9c4d7f40ea41a709db634c53b9ee72cc0290fbc6dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db95750cc1dcc7b626f5a9c4d7f40ea41a709db634c53b9ee72cc0290fbc6dfc", kill_on_drop: false }`
[INFO] [stdout] db95750cc1dcc7b626f5a9c4d7f40ea41a709db634c53b9ee72cc0290fbc6dfc