[INFO] updating cached repository Rustensic/prefetchkit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rustensic/prefetchkit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rustensic/prefetchkit" "work/ex/beta-1.37-6/sources/1.36.0/gh/Rustensic/prefetchkit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Rustensic/prefetchkit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rustensic/prefetchkit" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Rustensic/prefetchkit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Rustensic/prefetchkit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe318968a7837a80bedaa580f9b052763b518dde
[INFO] sha for GitHub repo Rustensic/prefetchkit: fe318968a7837a80bedaa580f9b052763b518dde
[INFO] validating manifest of Rustensic/prefetchkit 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 Rustensic/prefetchkit 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 Rustensic/prefetchkit
[INFO] finished frobbing Rustensic/prefetchkit
[INFO] frobbed toml for Rustensic/prefetchkit written to work/ex/beta-1.37-6/sources/1.36.0/gh/Rustensic/prefetchkit/Cargo.toml
[INFO] started frobbing Rustensic/prefetchkit
[INFO] finished frobbing Rustensic/prefetchkit
[INFO] frobbed toml for Rustensic/prefetchkit written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Rustensic/prefetchkit/Cargo.toml
[INFO] crate Rustensic/prefetchkit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Rustensic/prefetchkit/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 Rustensic/prefetchkit 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-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Rustensic/prefetchkit:/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] 8a3d75eb19de2340329c43f86c8cc49555f2d2871ac8e271de1b97cc65cdb106
[INFO] running `"docker" "start" "-a" "8a3d75eb19de2340329c43f86c8cc49555f2d2871ac8e271de1b97cc65cdb106"`
[INFO] [stderr]    Compiling libprefetch v0.1.1
[INFO] [stderr]    Compiling prefetchkit v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/kit.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 | ) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/kit.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 | ) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `"docker" "inspect" "8a3d75eb19de2340329c43f86c8cc49555f2d2871ac8e271de1b97cc65cdb106"`
[INFO] running `"docker" "rm" "-f" "8a3d75eb19de2340329c43f86c8cc49555f2d2871ac8e271de1b97cc65cdb106"`
[INFO] [stdout] 8a3d75eb19de2340329c43f86c8cc49555f2d2871ac8e271de1b97cc65cdb106
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Rustensic/prefetchkit:/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] 89d63d9639ca22fab2b62e7686a76d7e59c90523e34a23aa9ad3db405188d37f
[INFO] running `"docker" "start" "-a" "89d63d9639ca22fab2b62e7686a76d7e59c90523e34a23aa9ad3db405188d37f"`
[INFO] [stderr]    Compiling prefetchkit v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/kit.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 | ) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/kit.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 | ) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "89d63d9639ca22fab2b62e7686a76d7e59c90523e34a23aa9ad3db405188d37f"`
[INFO] running `"docker" "rm" "-f" "89d63d9639ca22fab2b62e7686a76d7e59c90523e34a23aa9ad3db405188d37f"`
[INFO] [stdout] 89d63d9639ca22fab2b62e7686a76d7e59c90523e34a23aa9ad3db405188d37f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Rustensic/prefetchkit:/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] f62824ed2b7b3c99310703a8d09f15e5847343c864d118665bf2469f4085629f
[INFO] running `"docker" "start" "-a" "f62824ed2b7b3c99310703a8d09f15e5847343c864d118665bf2469f4085629f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prefetchkit-14a3642de9007141
[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" "f62824ed2b7b3c99310703a8d09f15e5847343c864d118665bf2469f4085629f"`
[INFO] running `"docker" "rm" "-f" "f62824ed2b7b3c99310703a8d09f15e5847343c864d118665bf2469f4085629f"`
[INFO] [stdout] f62824ed2b7b3c99310703a8d09f15e5847343c864d118665bf2469f4085629f