[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 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 6ca1b6ade0c0fb9e6b0e3c7086851acf5455612396921230cbb0e542821e8ff4
[INFO] running `"docker" "start" "-a" "6ca1b6ade0c0fb9e6b0e3c7086851acf5455612396921230cbb0e542821e8ff4"`
[INFO] [stderr]    Compiling persistent v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "6ca1b6ade0c0fb9e6b0e3c7086851acf5455612396921230cbb0e542821e8ff4"`
[INFO] running `"docker" "rm" "-f" "6ca1b6ade0c0fb9e6b0e3c7086851acf5455612396921230cbb0e542821e8ff4"`
[INFO] [stdout] 6ca1b6ade0c0fb9e6b0e3c7086851acf5455612396921230cbb0e542821e8ff4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c3adc4362757972c32154a1ddc5e8cf7ee8890760bdba6978e23572337258921
[INFO] running `"docker" "start" "-a" "c3adc4362757972c32154a1ddc5e8cf7ee8890760bdba6978e23572337258921"`
[INFO] [stderr]    Compiling persistent v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `"docker" "inspect" "c3adc4362757972c32154a1ddc5e8cf7ee8890760bdba6978e23572337258921"`
[INFO] running `"docker" "rm" "-f" "c3adc4362757972c32154a1ddc5e8cf7ee8890760bdba6978e23572337258921"`
[INFO] [stdout] c3adc4362757972c32154a1ddc5e8cf7ee8890760bdba6978e23572337258921
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e9e95c565496bf8a65a28e1367b65c3ef0963137278147043ad2dd39d0056877
[INFO] running `"docker" "start" "-a" "e9e95c565496bf8a65a28e1367b65c3ef0963137278147043ad2dd39d0056877"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/persistent-5259a2fd643a490a
[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" "e9e95c565496bf8a65a28e1367b65c3ef0963137278147043ad2dd39d0056877"`
[INFO] running `"docker" "rm" "-f" "e9e95c565496bf8a65a28e1367b65c3ef0963137278147043ad2dd39d0056877"`
[INFO] [stdout] e9e95c565496bf8a65a28e1367b65c3ef0963137278147043ad2dd39d0056877