[INFO] crate span 0.0.0 is already in cache [INFO] extracting crate span 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/span/0.0.0 [INFO] extracting crate span 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/span/0.0.0 [INFO] validating manifest of span-0.0.0 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 span-0.0.0 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 span-0.0.0 [INFO] finished frobbing span-0.0.0 [INFO] frobbed toml for span-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/span/0.0.0/Cargo.toml [INFO] started frobbing span-0.0.0 [INFO] finished frobbing span-0.0.0 [INFO] frobbed toml for span-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/span/0.0.0/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 span-0.0.0 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/span/0.0.0:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 4f5398b350f71d3986a8f141174f0b3d72193c4dd9bff21c04a9a16b0a315269 [INFO] running `"docker" "start" "-a" "4f5398b350f71d3986a8f141174f0b3d72193c4dd9bff21c04a9a16b0a315269"` [INFO] [stderr] Compiling span v0.0.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `"docker" "inspect" "4f5398b350f71d3986a8f141174f0b3d72193c4dd9bff21c04a9a16b0a315269"` [INFO] running `"docker" "rm" "-f" "4f5398b350f71d3986a8f141174f0b3d72193c4dd9bff21c04a9a16b0a315269"` [INFO] [stdout] 4f5398b350f71d3986a8f141174f0b3d72193c4dd9bff21c04a9a16b0a315269 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/span/0.0.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 06d381225c0227148caa36e48100b83b8c1180b35abe0c60d61f18f9975a3a9a [INFO] running `"docker" "start" "-a" "06d381225c0227148caa36e48100b83b8c1180b35abe0c60d61f18f9975a3a9a"` [INFO] [stderr] Compiling span v0.0.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "06d381225c0227148caa36e48100b83b8c1180b35abe0c60d61f18f9975a3a9a"` [INFO] running `"docker" "rm" "-f" "06d381225c0227148caa36e48100b83b8c1180b35abe0c60d61f18f9975a3a9a"` [INFO] [stdout] 06d381225c0227148caa36e48100b83b8c1180b35abe0c60d61f18f9975a3a9a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/span/0.0.0:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] cb7b03b026957a04c42c75e8e2097a75b4772f177254494bbf444c1b566cc832 [INFO] running `"docker" "start" "-a" "cb7b03b026957a04c42c75e8e2097a75b4772f177254494bbf444c1b566cc832"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/span-8696c2ae359a0e6b [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests span [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" "cb7b03b026957a04c42c75e8e2097a75b4772f177254494bbf444c1b566cc832"` [INFO] running `"docker" "rm" "-f" "cb7b03b026957a04c42c75e8e2097a75b4772f177254494bbf444c1b566cc832"` [INFO] [stdout] cb7b03b026957a04c42c75e8e2097a75b4772f177254494bbf444c1b566cc832