[INFO] updating cached repository Vrekt/RustBenchmark
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Vrekt/RustBenchmark
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Vrekt/RustBenchmark" "work/ex/beta-1.37-6/sources/1.36.0/gh/Vrekt/RustBenchmark"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Vrekt/RustBenchmark'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vrekt/RustBenchmark" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Vrekt/RustBenchmark"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Vrekt/RustBenchmark'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3ae9df5e6f68aa71d01e2a0c047dfbf1f4e00e0
[INFO] sha for GitHub repo Vrekt/RustBenchmark: f3ae9df5e6f68aa71d01e2a0c047dfbf1f4e00e0
[INFO] validating manifest of Vrekt/RustBenchmark 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 Vrekt/RustBenchmark 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 Vrekt/RustBenchmark
[INFO] finished frobbing Vrekt/RustBenchmark
[INFO] frobbed toml for Vrekt/RustBenchmark written to work/ex/beta-1.37-6/sources/1.36.0/gh/Vrekt/RustBenchmark/Cargo.toml
[INFO] started frobbing Vrekt/RustBenchmark
[INFO] finished frobbing Vrekt/RustBenchmark
[INFO] frobbed toml for Vrekt/RustBenchmark written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Vrekt/RustBenchmark/Cargo.toml
[INFO] crate Vrekt/RustBenchmark 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Vrekt/RustBenchmark 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-6/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/Vrekt/RustBenchmark:/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] ff1b7a1b77b0e8bc4e5d753e7e025793344f32c956fcd3ffc706d0aa086f202e
[INFO] running `"docker" "start" "-a" "ff1b7a1b77b0e8bc4e5d753e7e025793344f32c956fcd3ffc706d0aa086f202e"`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling RustProject v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustProject` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_project`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `"docker" "inspect" "ff1b7a1b77b0e8bc4e5d753e7e025793344f32c956fcd3ffc706d0aa086f202e"`
[INFO] running `"docker" "rm" "-f" "ff1b7a1b77b0e8bc4e5d753e7e025793344f32c956fcd3ffc706d0aa086f202e"`
[INFO] [stdout] ff1b7a1b77b0e8bc4e5d753e7e025793344f32c956fcd3ffc706d0aa086f202e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/Vrekt/RustBenchmark:/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] 4eeb548be9b2b32791aa6c3acd46af4b1054dfb662b0f2786b79d88b04efe99c
[INFO] running `"docker" "start" "-a" "4eeb548be9b2b32791aa6c3acd46af4b1054dfb662b0f2786b79d88b04efe99c"`
[INFO] [stderr]    Compiling RustProject v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustProject` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_project`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "4eeb548be9b2b32791aa6c3acd46af4b1054dfb662b0f2786b79d88b04efe99c"`
[INFO] running `"docker" "rm" "-f" "4eeb548be9b2b32791aa6c3acd46af4b1054dfb662b0f2786b79d88b04efe99c"`
[INFO] [stdout] 4eeb548be9b2b32791aa6c3acd46af4b1054dfb662b0f2786b79d88b04efe99c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/Vrekt/RustBenchmark:/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] 62a96d38597b8c806ffb09a24df50aced32cefc95cb6f287423fadffc1e956c1
[INFO] running `"docker" "start" "-a" "62a96d38597b8c806ffb09a24df50aced32cefc95cb6f287423fadffc1e956c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RustProject-420d74bcfe8d7af8
[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" "62a96d38597b8c806ffb09a24df50aced32cefc95cb6f287423fadffc1e956c1"`
[INFO] running `"docker" "rm" "-f" "62a96d38597b8c806ffb09a24df50aced32cefc95cb6f287423fadffc1e956c1"`
[INFO] [stdout] 62a96d38597b8c806ffb09a24df50aced32cefc95cb6f287423fadffc1e956c1