[INFO] fetching crate tracing-fmt 0.0.1-alpha.1...
[INFO] extracting crate tracing-fmt 0.0.1-alpha.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/tracing-fmt/0.0.1-alpha.1
[INFO] extracting crate tracing-fmt 0.0.1-alpha.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tracing-fmt/0.0.1-alpha.1
[INFO] validating manifest of tracing-fmt-0.0.1-alpha.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tracing-fmt-0.0.1-alpha.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tracing-fmt-0.0.1-alpha.1
[INFO] finished frobbing tracing-fmt-0.0.1-alpha.1
[INFO] frobbed toml for tracing-fmt-0.0.1-alpha.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tracing-fmt/0.0.1-alpha.1/Cargo.toml
[INFO] started frobbing tracing-fmt-0.0.1-alpha.1
[INFO] finished frobbing tracing-fmt-0.0.1-alpha.1
[INFO] frobbed toml for tracing-fmt-0.0.1-alpha.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tracing-fmt/0.0.1-alpha.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tracing-fmt-0.0.1-alpha.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tracing-fmt/0.0.1-alpha.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a8b12ba1f8ad00ab3c582e9288e406911871f74206db8f74518d6ce6c309d5bc
[INFO] running `"docker" "start" "-a" "a8b12ba1f8ad00ab3c582e9288e406911871f74206db8f74518d6ce6c309d5bc"`
[INFO] [stderr]    Compiling tracing-core v0.1.2
[INFO] [stderr]    Compiling tracing-fmt v0.0.1-alpha.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `"docker" "inspect" "a8b12ba1f8ad00ab3c582e9288e406911871f74206db8f74518d6ce6c309d5bc"`
[INFO] running `"docker" "rm" "-f" "a8b12ba1f8ad00ab3c582e9288e406911871f74206db8f74518d6ce6c309d5bc"`
[INFO] [stdout] a8b12ba1f8ad00ab3c582e9288e406911871f74206db8f74518d6ce6c309d5bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tracing-fmt/0.0.1-alpha.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 60f0129d70ffa0a9540fa9392dc28dc8a0e17e47e2becd170e8e5641ea810a58
[INFO] running `"docker" "start" "-a" "60f0129d70ffa0a9540fa9392dc28dc8a0e17e47e2becd170e8e5641ea810a58"`
[INFO] [stderr]    Compiling tracing v0.1.3
[INFO] [stderr]    Compiling tracing-fmt v0.0.1-alpha.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `"docker" "inspect" "60f0129d70ffa0a9540fa9392dc28dc8a0e17e47e2becd170e8e5641ea810a58"`
[INFO] running `"docker" "rm" "-f" "60f0129d70ffa0a9540fa9392dc28dc8a0e17e47e2becd170e8e5641ea810a58"`
[INFO] [stdout] 60f0129d70ffa0a9540fa9392dc28dc8a0e17e47e2becd170e8e5641ea810a58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tracing-fmt/0.0.1-alpha.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 831e57d6c11ac0e124a3d14f55540d04c5f3fa6a90cd7998ec8649df9df78bfb
[INFO] running `"docker" "start" "-a" "831e57d6c11ac0e124a3d14f55540d04c5f3fa6a90cd7998ec8649df9df78bfb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tracing_fmt-06b54b1e72ea2229
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test filter::env::tests::callsite_enabled_no_span_directive ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_empty_level ... ok
[INFO] [stdout] test filter::env::tests::callsite_off ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_invalid_level ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_string_level ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_valid ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_invalid_crate ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_global ... ok
[INFO] [stdout] test filter::env::tests::callsite_enabled_includes_span_directive ... ok
[INFO] [stdout] test filter::reload::test::reload_from_env ... ok
[INFO] [stdout] Aug 02 14:21:42.547 TRACE tracing_fmt::filter::reload::test: my event
[INFO] [stdout] Aug 02 14:21:42.547 TRACE tracing_fmt::filter::reload::test: my event
[INFO] [stdout] test filter::reload::test::reload_handle ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_valid_with_spans ... ok
[INFO] [stdout] test test::subscriber_downcasts ... ok
[INFO] [stdout] test test::subscriber_downcasts_to_parts ... ok
[INFO] [stdout] test test::impls ... ok
[INFO] [stdout] test filter::env::tests::callsite_disabled_includes_directive_field ... ok
[INFO] [stdout] test filter::env::tests::callsite_enabled_includes_span_directive_field ... ok
[INFO] [stdout] test filter::env::tests::callsite_disabled_includes_directive_field_no_value ... ok
[INFO] [stdout] test filter::env::tests::roundtrip ... ok
[INFO] [stdout] test filter::env::tests::callsite_enabled_includes_span_directive_multiple_fields ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_with_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-fmt
[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 `"docker" "inspect" "831e57d6c11ac0e124a3d14f55540d04c5f3fa6a90cd7998ec8649df9df78bfb"`
[INFO] running `"docker" "rm" "-f" "831e57d6c11ac0e124a3d14f55540d04c5f3fa6a90cd7998ec8649df9df78bfb"`
[INFO] [stdout] 831e57d6c11ac0e124a3d14f55540d04c5f3fa6a90cd7998ec8649df9df78bfb