[INFO] fetching crate cassette 0.0.0...
[INFO] extracting crate cassette 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/cassette/0.0.0
[INFO] extracting crate cassette 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cassette/0.0.0
[INFO] validating manifest of cassette-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 cassette-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 cassette-0.0.0
[INFO] finished frobbing cassette-0.0.0
[INFO] frobbed toml for cassette-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cassette/0.0.0/Cargo.toml
[INFO] started frobbing cassette-0.0.0
[INFO] finished frobbing cassette-0.0.0
[INFO] frobbed toml for cassette-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cassette/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 cassette-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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cassette/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] d3f2bbe2d75cfb3fa1275d5872d564676f7df2044b126a472dc9ac9c8d11b216
[INFO] running `"docker" "start" "-a" "d3f2bbe2d75cfb3fa1275d5872d564676f7df2044b126a472dc9ac9c8d11b216"`
[INFO] [stderr]    Compiling cassette v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "d3f2bbe2d75cfb3fa1275d5872d564676f7df2044b126a472dc9ac9c8d11b216"`
[INFO] running `"docker" "rm" "-f" "d3f2bbe2d75cfb3fa1275d5872d564676f7df2044b126a472dc9ac9c8d11b216"`
[INFO] [stdout] d3f2bbe2d75cfb3fa1275d5872d564676f7df2044b126a472dc9ac9c8d11b216
[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/cassette/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] 744a4ef2fa3c89bf34a1be5eda5dbdf2e1c178030148a1b8e94434b9455dcff9
[INFO] running `"docker" "start" "-a" "744a4ef2fa3c89bf34a1be5eda5dbdf2e1c178030148a1b8e94434b9455dcff9"`
[INFO] [stderr]    Compiling cassette v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "744a4ef2fa3c89bf34a1be5eda5dbdf2e1c178030148a1b8e94434b9455dcff9"`
[INFO] running `"docker" "rm" "-f" "744a4ef2fa3c89bf34a1be5eda5dbdf2e1c178030148a1b8e94434b9455dcff9"`
[INFO] [stdout] 744a4ef2fa3c89bf34a1be5eda5dbdf2e1c178030148a1b8e94434b9455dcff9
[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/cassette/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] 18aa1c5e35679141dee8514dadf143936af69ccc454201eea41c3e0a56a33f70
[INFO] running `"docker" "start" "-a" "18aa1c5e35679141dee8514dadf143936af69ccc454201eea41c3e0a56a33f70"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cassette-d6d736a2ff6da24b
[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 cassette
[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" "18aa1c5e35679141dee8514dadf143936af69ccc454201eea41c3e0a56a33f70"`
[INFO] running `"docker" "rm" "-f" "18aa1c5e35679141dee8514dadf143936af69ccc454201eea41c3e0a56a33f70"`
[INFO] [stdout] 18aa1c5e35679141dee8514dadf143936af69ccc454201eea41c3e0a56a33f70