[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-1.38-1/sources/1.37.0/gh/Rustensic/prefetchkit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Rustensic/prefetchkit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rustensic/prefetchkit" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rustensic/prefetchkit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Rustensic/prefetchkit on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Rustensic/prefetchkit against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ab80979e948c5ab0d494c3b07a68d11c6ed3ba177d5653c118565b2506d11c19
[INFO] running `"docker" "start" "-a" "ab80979e948c5ab0d494c3b07a68d11c6ed3ba177d5653c118565b2506d11c19"`
[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 3.85s
[INFO] running `"docker" "inspect" "ab80979e948c5ab0d494c3b07a68d11c6ed3ba177d5653c118565b2506d11c19"`
[INFO] running `"docker" "rm" "-f" "ab80979e948c5ab0d494c3b07a68d11c6ed3ba177d5653c118565b2506d11c19"`
[INFO] [stdout] ab80979e948c5ab0d494c3b07a68d11c6ed3ba177d5653c118565b2506d11c19
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1079d2888f7b743bdb024996466ec4d57cdc0af163e732d612e6379d27fca178
[INFO] running `"docker" "start" "-a" "1079d2888f7b743bdb024996466ec4d57cdc0af163e732d612e6379d27fca178"`
[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 0.88s
[INFO] running `"docker" "inspect" "1079d2888f7b743bdb024996466ec4d57cdc0af163e732d612e6379d27fca178"`
[INFO] running `"docker" "rm" "-f" "1079d2888f7b743bdb024996466ec4d57cdc0af163e732d612e6379d27fca178"`
[INFO] [stdout] 1079d2888f7b743bdb024996466ec4d57cdc0af163e732d612e6379d27fca178
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8ef2fd6407952e27efb6fbc3c1e0b8e1e6d1514e0d31f293dc637b49407d9b67
[INFO] running `"docker" "start" "-a" "8ef2fd6407952e27efb6fbc3c1e0b8e1e6d1514e0d31f293dc637b49407d9b67"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prefetchkit-e72adde3318467a2
[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" "8ef2fd6407952e27efb6fbc3c1e0b8e1e6d1514e0d31f293dc637b49407d9b67"`
[INFO] running `"docker" "rm" "-f" "8ef2fd6407952e27efb6fbc3c1e0b8e1e6d1514e0d31f293dc637b49407d9b67"`
[INFO] [stdout] 8ef2fd6407952e27efb6fbc3c1e0b8e1e6d1514e0d31f293dc637b49407d9b67