[INFO] fetching crate tracing-microjson 0.3.0...
[INFO] testing tracing-microjson-0.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate tracing-microjson 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tracing-microjson 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-microjson 0.3.0
[INFO] tweaked toml for crates.io crate tracing-microjson 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-microjson 0.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-microjson 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.109
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.109
[INFO] [stderr]   Downloaded js-sys v0.3.86
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.109
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.109
[INFO] [stderr]   Downloaded web-sys v0.3.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 550e6cf8aff40946fc86814aa0ae80cd00464f0175308d2e9471bf7e8a93e125
[INFO] running `Command { std: "docker" "start" "-a" "550e6cf8aff40946fc86814aa0ae80cd00464f0175308d2e9471bf7e8a93e125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "550e6cf8aff40946fc86814aa0ae80cd00464f0175308d2e9471bf7e8a93e125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550e6cf8aff40946fc86814aa0ae80cd00464f0175308d2e9471bf7e8a93e125", kill_on_drop: false }`
[INFO] [stdout] 550e6cf8aff40946fc86814aa0ae80cd00464f0175308d2e9471bf7e8a93e125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb7774637fa0d38dd0257c41ab2a7ec77eec5e8de00876a000d061499c8d68b6
[INFO] running `Command { std: "docker" "start" "-a" "cb7774637fa0d38dd0257c41ab2a7ec77eec5e8de00876a000d061499c8d68b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling tracing-microjson v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "cb7774637fa0d38dd0257c41ab2a7ec77eec5e8de00876a000d061499c8d68b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7774637fa0d38dd0257c41ab2a7ec77eec5e8de00876a000d061499c8d68b6", kill_on_drop: false }`
[INFO] [stdout] cb7774637fa0d38dd0257c41ab2a7ec77eec5e8de00876a000d061499c8d68b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce8a933c821a7b7b37f24cb1ceb1a9716b607188ed5e39ecda7727ae9ff092c3
[INFO] running `Command { std: "docker" "start" "-a" "ce8a933c821a7b7b37f24cb1ceb1a9716b607188ed5e39ecda7727ae9ff092c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.39
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling tracing-microjson v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.8.2
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.54s
[INFO] running `Command { std: "docker" "inspect" "ce8a933c821a7b7b37f24cb1ceb1a9716b607188ed5e39ecda7727ae9ff092c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8a933c821a7b7b37f24cb1ceb1a9716b607188ed5e39ecda7727ae9ff092c3", kill_on_drop: false }`
[INFO] [stdout] ce8a933c821a7b7b37f24cb1ceb1a9716b607188ed5e39ecda7727ae9ff092c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3150688c838048db7f7bc1ae345d128f313d78cf63bba8be1929cf09fa1c74ec
[INFO] running `Command { std: "docker" "start" "-a" "3150688c838048db7f7bc1ae345d128f313d78cf63bba8be1929cf09fa1c74ec", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_microjson-c161886c3debaba6)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_timestamp_format ... ok
[INFO] [stdout] test tests::test_timestamp_microsecond_precision ... ok
[INFO] [stdout] test tests::test_val_str_control_chars ... ok
[INFO] [stderr]      Running tests/integration/main.rs (/opt/rustwide/target/debug/deps/integration-b7dde9bbae8c293d)
[INFO] [stdout] test tests::test_val_str_basic ... ok
[INFO] [stdout] test tests::test_val_str_unicode_passthrough ... ok
[INFO] [stdout] test tests::test_f64_edge_cases ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test basic_events::test_event_inside_nested_spans ... ok
[INFO] [stdout] test basic_events::test_event_mixed_type_fields ... ok
[INFO] [stdout] test basic_events::test_event_no_fields ... ok
[INFO] [stdout] test basic_events::test_on_record_span_fields_updated ... ok
[INFO] [stdout] test compatibility::test_compatibility_with_tracing_subscriber_json ... ok
[INFO] [stdout] test basic_events::test_flatten_event ... ok
[INFO] [stdout] test compatibility::test_thread_id_compat_with_tracing_subscriber ... ok
[INFO] [stdout] test edge_cases::test_record_error_field ... ok
[INFO] [stdout] test edge_cases::test_flatten_event_with_span ... ok
[INFO] [stdout] test configuration::test_target_hidden ... ok
[INFO] [stdout] test threads::test_thread_fields_absent_by_default ... ok
[INFO] [stdout] test edge_cases::test_i64_negative_field ... ok
[INFO] [stdout] test threads::test_thread_id_and_name_together ... ok
[INFO] [stdout] test edge_cases::test_record_i128_field ... ok
[INFO] [stdout] test threads::test_thread_id_present ... ok
[INFO] [stdout] test edge_cases::test_record_u128_field ... ok
[INFO] [stdout] test edge_cases::test_event_outside_span_has_no_span_fields ... ok
[INFO] [stdout] test edge_cases::test_span_with_no_fields ... ok
[INFO] [stdout] test threads::test_thread_name_present ... ok
[INFO] [stdout] test edge_cases::test_all_log_levels ... ok
[INFO] [stdout] test timestamps::test_custom_timer ... ok
[INFO] [stdout] test timestamps::test_default_timer_produces_rfc3339 ... ok
[INFO] [stdout] test timestamps::test_with_timer_unit_is_without_time ... ok
[INFO] [stdout] test timestamps::test_without_time_no_timestamp_field ... ok
[INFO] [stdout] test timestamps::test_without_time_valid_json_flat ... ok
[INFO] [stdout] test edge_cases::test_record_debug_field ... ok
[INFO] [stdout] test edge_cases::test_single_span ... ok
[INFO] [stdout] test configuration::test_optional_fields_filename_line ... ok
[INFO] [stdout] test timestamps::test_builder_chaining_with_timer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_microjson
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.64s
[INFO] running `Command { std: "docker" "inspect" "3150688c838048db7f7bc1ae345d128f313d78cf63bba8be1929cf09fa1c74ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3150688c838048db7f7bc1ae345d128f313d78cf63bba8be1929cf09fa1c74ec", kill_on_drop: false }`
[INFO] [stdout] 3150688c838048db7f7bc1ae345d128f313d78cf63bba8be1929cf09fa1c74ec