[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-1.38-1/sources/1.37.0/gh/Vrekt/RustBenchmark"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Vrekt/RustBenchmark'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vrekt/RustBenchmark" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vrekt/RustBenchmark"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Vrekt/RustBenchmark 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 Vrekt/RustBenchmark
[INFO] finished frobbing Vrekt/RustBenchmark
[INFO] frobbed toml for Vrekt/RustBenchmark written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Vrekt/RustBenchmark against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4d98be70fdee81e46bd405c13efb6bae06e20341a7712cfb1a3a6ddc9dc559b5
[INFO] running `"docker" "start" "-a" "4d98be70fdee81e46bd405c13efb6bae06e20341a7712cfb1a3a6ddc9dc559b5"`
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.41
[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 9.41s
[INFO] running `"docker" "inspect" "4d98be70fdee81e46bd405c13efb6bae06e20341a7712cfb1a3a6ddc9dc559b5"`
[INFO] running `"docker" "rm" "-f" "4d98be70fdee81e46bd405c13efb6bae06e20341a7712cfb1a3a6ddc9dc559b5"`
[INFO] [stdout] 4d98be70fdee81e46bd405c13efb6bae06e20341a7712cfb1a3a6ddc9dc559b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f1273c4d0d34d51da81ab237fc477d1f6ce0ca6b36ba5c4b5eae335727e2cc61
[INFO] running `"docker" "start" "-a" "f1273c4d0d34d51da81ab237fc477d1f6ce0ca6b36ba5c4b5eae335727e2cc61"`
[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 0.80s
[INFO] running `"docker" "inspect" "f1273c4d0d34d51da81ab237fc477d1f6ce0ca6b36ba5c4b5eae335727e2cc61"`
[INFO] running `"docker" "rm" "-f" "f1273c4d0d34d51da81ab237fc477d1f6ce0ca6b36ba5c4b5eae335727e2cc61"`
[INFO] [stdout] f1273c4d0d34d51da81ab237fc477d1f6ce0ca6b36ba5c4b5eae335727e2cc61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 631360c0a00070af1f20c5b6091ad859ecce589eb2990767342b49d176a02f1d
[INFO] running `"docker" "start" "-a" "631360c0a00070af1f20c5b6091ad859ecce589eb2990767342b49d176a02f1d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RustProject-a6e4b419176138d6
[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" "631360c0a00070af1f20c5b6091ad859ecce589eb2990767342b49d176a02f1d"`
[INFO] running `"docker" "rm" "-f" "631360c0a00070af1f20c5b6091ad859ecce589eb2990767342b49d176a02f1d"`
[INFO] [stdout] 631360c0a00070af1f20c5b6091ad859ecce589eb2990767342b49d176a02f1d