[INFO] crate persistent 0.4.0 is already in cache
[INFO] extracting crate persistent 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/persistent/0.4.0
[INFO] extracting crate persistent 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/persistent/0.4.0
[INFO] validating manifest of persistent-0.4.0 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 persistent-0.4.0 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 persistent-0.4.0
[INFO] finished frobbing persistent-0.4.0
[INFO] frobbed toml for persistent-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/persistent/0.4.0/Cargo.toml
[INFO] started frobbing persistent-0.4.0
[INFO] finished frobbing persistent-0.4.0
[INFO] frobbed toml for persistent-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/persistent/0.4.0/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 persistent-0.4.0 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-2/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/persistent/0.4.0:/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] 418264143bf4da9096769f3753a9cce0583162d51a6fdf6b9d2fcbbe5738fdeb
[INFO] running `"docker" "start" "-a" "418264143bf4da9096769f3753a9cce0583162d51a6fdf6b9d2fcbbe5738fdeb"`
[INFO] [stderr]    Compiling persistent v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "418264143bf4da9096769f3753a9cce0583162d51a6fdf6b9d2fcbbe5738fdeb"`
[INFO] running `"docker" "rm" "-f" "418264143bf4da9096769f3753a9cce0583162d51a6fdf6b9d2fcbbe5738fdeb"`
[INFO] [stdout] 418264143bf4da9096769f3753a9cce0583162d51a6fdf6b9d2fcbbe5738fdeb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/persistent/0.4.0:/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] 181fb50a205de72c3de6368f5267d83e3e4fd7acb9fc7bba9c8fda84567a1243
[INFO] running `"docker" "start" "-a" "181fb50a205de72c3de6368f5267d83e3e4fd7acb9fc7bba9c8fda84567a1243"`
[INFO] [stderr]    Compiling persistent v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `"docker" "inspect" "181fb50a205de72c3de6368f5267d83e3e4fd7acb9fc7bba9c8fda84567a1243"`
[INFO] running `"docker" "rm" "-f" "181fb50a205de72c3de6368f5267d83e3e4fd7acb9fc7bba9c8fda84567a1243"`
[INFO] [stdout] 181fb50a205de72c3de6368f5267d83e3e4fd7acb9fc7bba9c8fda84567a1243
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/persistent/0.4.0:/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] 415d045828c3081f51a756381374af278bf2adb4ac4c92579505781d5f2c93a2
[INFO] running `"docker" "start" "-a" "415d045828c3081f51a756381374af278bf2adb4ac4c92579505781d5f2c93a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/persistent-93e8dd9679d7ddd5
[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] [stderr]    Doc-tests persistent
[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" "415d045828c3081f51a756381374af278bf2adb4ac4c92579505781d5f2c93a2"`
[INFO] running `"docker" "rm" "-f" "415d045828c3081f51a756381374af278bf2adb4ac4c92579505781d5f2c93a2"`
[INFO] [stdout] 415d045828c3081f51a756381374af278bf2adb4ac4c92579505781d5f2c93a2