[INFO] crate tracing-fmt 0.0.1-alpha.1 is already in cache
[INFO] extracting crate tracing-fmt 0.0.1-alpha.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/tracing-fmt/0.0.1-alpha.1
[INFO] extracting crate tracing-fmt 0.0.1-alpha.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tracing-fmt/0.0.1-alpha.1
[INFO] validating manifest of tracing-fmt-0.0.1-alpha.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tracing-fmt-0.0.1-alpha.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/tracing-fmt/0.0.1-alpha.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tracing-fmt-0.0.1-alpha.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4b98a8403ff18e396a65ecfa292f30c03d20a4e7f4db0974423126fad187ba43
[INFO] running `"docker" "start" "-a" "4b98a8403ff18e396a65ecfa292f30c03d20a4e7f4db0974423126fad187ba43"`
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling tracing-core v0.1.5
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling tracing-fmt v0.0.1-alpha.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `"docker" "inspect" "4b98a8403ff18e396a65ecfa292f30c03d20a4e7f4db0974423126fad187ba43"`
[INFO] running `"docker" "rm" "-f" "4b98a8403ff18e396a65ecfa292f30c03d20a4e7f4db0974423126fad187ba43"`
[INFO] [stdout] 4b98a8403ff18e396a65ecfa292f30c03d20a4e7f4db0974423126fad187ba43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 925a0f363a48054092b3d249e2932aa502af0467ab0bdc82713bc20089d9d4d9
[INFO] running `"docker" "start" "-a" "925a0f363a48054092b3d249e2932aa502af0467ab0bdc82713bc20089d9d4d9"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.2
[INFO] [stderr]    Compiling tracing v0.1.6
[INFO] [stderr]    Compiling tracing-fmt v0.0.1-alpha.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.57s
[INFO] running `"docker" "inspect" "925a0f363a48054092b3d249e2932aa502af0467ab0bdc82713bc20089d9d4d9"`
[INFO] running `"docker" "rm" "-f" "925a0f363a48054092b3d249e2932aa502af0467ab0bdc82713bc20089d9d4d9"`
[INFO] [stdout] 925a0f363a48054092b3d249e2932aa502af0467ab0bdc82713bc20089d9d4d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 484876a464d7e534ec4eaab241799cb73080abdd7de9a94f2a2a5108d1dea266
[INFO] running `"docker" "start" "-a" "484876a464d7e534ec4eaab241799cb73080abdd7de9a94f2a2a5108d1dea266"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tracing_fmt-b29b51246f785880
[INFO] [stdout] running 21 tests
[INFO] [stdout] test filter::env::tests::parse_directives_empty_level ... ok
[INFO] [stdout] test filter::env::tests::callsite_enabled_no_span_directive ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_global ... ok
[INFO] [stdout] test filter::env::tests::callsite_off ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_invalid_crate ... ok
[INFO] [stdout] test filter::env::tests::callsite_enabled_includes_span_directive ... 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::reload::test::reload_from_env ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_valid_with_spans ... ok
[INFO] [stdout] test test::impls ... ok
[INFO] [stdout] Aug 23 01:16:38.963 TRACE tracing_fmt::filter::reload::test: my event
[INFO] [stdout] Aug 23 01:16:38.969 TRACE tracing_fmt::filter::reload::test: my event
[INFO] [stdout] test filter::reload::test::reload_handle ... ok
[INFO] [stdout] test test::subscriber_downcasts_to_parts ... ok
[INFO] [stdout] test test::subscriber_downcasts ... ok
[INFO] [stdout] test filter::env::tests::callsite_disabled_includes_directive_field_no_value ... 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 ... ok
[INFO] [stdout] test filter::env::tests::parse_directives_with_fields ... ok
[INFO] [stdout] test filter::env::tests::callsite_enabled_includes_span_directive_multiple_fields ... ok
[INFO] [stdout] test filter::env::tests::roundtrip ... 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" "484876a464d7e534ec4eaab241799cb73080abdd7de9a94f2a2a5108d1dea266"`
[INFO] running `"docker" "rm" "-f" "484876a464d7e534ec4eaab241799cb73080abdd7de9a94f2a2a5108d1dea266"`
[INFO] [stdout] 484876a464d7e534ec4eaab241799cb73080abdd7de9a94f2a2a5108d1dea266