[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 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 6004926d453719b0c71807e7b9b6f54121c54a76bc54e7102e1951d101b0d685
[INFO] running `"docker" "start" "-a" "6004926d453719b0c71807e7b9b6f54121c54a76bc54e7102e1951d101b0d685"`
[INFO] [stderr]    Compiling span v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "6004926d453719b0c71807e7b9b6f54121c54a76bc54e7102e1951d101b0d685"`
[INFO] running `"docker" "rm" "-f" "6004926d453719b0c71807e7b9b6f54121c54a76bc54e7102e1951d101b0d685"`
[INFO] [stdout] 6004926d453719b0c71807e7b9b6f54121c54a76bc54e7102e1951d101b0d685
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8fdb4367ee5ecef9bf73db8df2a084ed38de08b4ab2981421e6361c5ef2aa7d6
[INFO] running `"docker" "start" "-a" "8fdb4367ee5ecef9bf73db8df2a084ed38de08b4ab2981421e6361c5ef2aa7d6"`
[INFO] [stderr]    Compiling span v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "8fdb4367ee5ecef9bf73db8df2a084ed38de08b4ab2981421e6361c5ef2aa7d6"`
[INFO] running `"docker" "rm" "-f" "8fdb4367ee5ecef9bf73db8df2a084ed38de08b4ab2981421e6361c5ef2aa7d6"`
[INFO] [stdout] 8fdb4367ee5ecef9bf73db8df2a084ed38de08b4ab2981421e6361c5ef2aa7d6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f49e53dedc9746e726629e20364ada5abf9963c9a73ab8c72dd2215fe27ed54d
[INFO] running `"docker" "start" "-a" "f49e53dedc9746e726629e20364ada5abf9963c9a73ab8c72dd2215fe27ed54d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/span-b9c461d1e9e35d26
[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" "f49e53dedc9746e726629e20364ada5abf9963c9a73ab8c72dd2215fe27ed54d"`
[INFO] running `"docker" "rm" "-f" "f49e53dedc9746e726629e20364ada5abf9963c9a73ab8c72dd2215fe27ed54d"`
[INFO] [stdout] f49e53dedc9746e726629e20364ada5abf9963c9a73ab8c72dd2215fe27ed54d