[INFO] crate tokio-trace-core 0.2.0 is already in cache
[INFO] extracting crate tokio-trace-core 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-trace-core/0.2.0
[INFO] extracting crate tokio-trace-core 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tokio-trace-core/0.2.0
[INFO] validating manifest of tokio-trace-core-0.2.0 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 tokio-trace-core-0.2.0 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 tokio-trace-core-0.2.0
[INFO] finished frobbing tokio-trace-core-0.2.0
[INFO] frobbed toml for tokio-trace-core-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-trace-core/0.2.0/Cargo.toml
[INFO] started frobbing tokio-trace-core-0.2.0
[INFO] finished frobbing tokio-trace-core-0.2.0
[INFO] frobbed toml for tokio-trace-core-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tokio-trace-core/0.2.0/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 tokio-trace-core-0.2.0 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-trace-core/0.2.0:/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] 59e545284912b6108c4e61ad1faee863cff3b89261ef4cd16b266144dbf29552
[INFO] running `"docker" "start" "-a" "59e545284912b6108c4e61ad1faee863cff3b89261ef4cd16b266144dbf29552"`
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "59e545284912b6108c4e61ad1faee863cff3b89261ef4cd16b266144dbf29552"`
[INFO] running `"docker" "rm" "-f" "59e545284912b6108c4e61ad1faee863cff3b89261ef4cd16b266144dbf29552"`
[INFO] [stdout] 59e545284912b6108c4e61ad1faee863cff3b89261ef4cd16b266144dbf29552
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-trace-core/0.2.0:/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] a109b2b1bf23ded584b0d85e78561b56f5236284c1a0716c810dc86367aee580
[INFO] running `"docker" "start" "-a" "a109b2b1bf23ded584b0d85e78561b56f5236284c1a0716c810dc86367aee580"`
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "a109b2b1bf23ded584b0d85e78561b56f5236284c1a0716c810dc86367aee580"`
[INFO] running `"docker" "rm" "-f" "a109b2b1bf23ded584b0d85e78561b56f5236284c1a0716c810dc86367aee580"`
[INFO] [stdout] a109b2b1bf23ded584b0d85e78561b56f5236284c1a0716c810dc86367aee580
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-trace-core/0.2.0:/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] 49e35cbca837c164a5a16e64a69e4a91b1398aab9f698050437b0eb547a9a1b8
[INFO] running `"docker" "start" "-a" "49e35cbca837c164a5a16e64a69e4a91b1398aab9f698050437b0eb547a9a1b8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_trace_core-88818b76cc0fd81c
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test dispatcher::test::dispatch_is ... ok
[INFO] [stdout] test dispatcher::test::spans_dont_infinite_loop ... ok
[INFO] [stdout] test dispatcher::test::dispatch_downcasts ... ok
[INFO] [stdout] test field::test::empty_value_set_is_empty ... ok
[INFO] [stdout] test field::test::fields_from_other_callsets_are_skipped ... ok
[INFO] [stdout] test dispatcher::test::events_dont_infinite_loop ... ok
[INFO] [stdout] test field::test::value_set_with_no_values_is_empty ... ok
[INFO] [stdout] test field::test::value_sets_with_fields_from_other_callsites_are_empty ... ok
[INFO] [stdout] test field::test::record_debug_fn ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/macros-90503c701a108b1b
[INFO] [stdout] test field::test::sparse_value_sets_are_not_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test metadata_macro_api ... ok
[INFO] [stderr]    Doc-tests tokio-trace-core
[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 5 tests
[INFO] [stdout] test src/subscriber.rs - subscriber::Subscriber::record (line 187) ... ignored
[INFO] [stdout] test src/field.rs - field::Visit (line 116) ... ok
[INFO] [stdout] test src/field.rs - field::Visit (line 149) ... ok
[INFO] [stdout] test src/lib.rs - metadata (line 97) ... ok
[INFO] [stdout] test src/lib.rs - identify_callsite (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "49e35cbca837c164a5a16e64a69e4a91b1398aab9f698050437b0eb547a9a1b8"`
[INFO] running `"docker" "rm" "-f" "49e35cbca837c164a5a16e64a69e4a91b1398aab9f698050437b0eb547a9a1b8"`
[INFO] [stdout] 49e35cbca837c164a5a16e64a69e4a91b1398aab9f698050437b0eb547a9a1b8