[INFO] updating cached repository stefanholzmueller/rust-calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stefanholzmueller/rust-calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stefanholzmueller/rust-calculator" "work/ex/beta-1.37-6/sources/1.36.0/gh/stefanholzmueller/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/stefanholzmueller/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stefanholzmueller/rust-calculator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stefanholzmueller/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stefanholzmueller/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d87cbaba6826c023bd003ee3e25f9ebc246247fa
[INFO] sha for GitHub repo stefanholzmueller/rust-calculator: d87cbaba6826c023bd003ee3e25f9ebc246247fa
[INFO] validating manifest of stefanholzmueller/rust-calculator 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 stefanholzmueller/rust-calculator 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 stefanholzmueller/rust-calculator
[INFO] finished frobbing stefanholzmueller/rust-calculator
[INFO] frobbed toml for stefanholzmueller/rust-calculator written to work/ex/beta-1.37-6/sources/1.36.0/gh/stefanholzmueller/rust-calculator/Cargo.toml
[INFO] started frobbing stefanholzmueller/rust-calculator
[INFO] finished frobbing stefanholzmueller/rust-calculator
[INFO] frobbed toml for stefanholzmueller/rust-calculator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stefanholzmueller/rust-calculator/Cargo.toml
[INFO] crate stefanholzmueller/rust-calculator 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 stefanholzmueller/rust-calculator 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-4/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/stefanholzmueller/rust-calculator:/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] 4dd6b11445cb29016a7d72ea9135bd3d098ab4afe825462da8dc4037ced196bd
[INFO] running `"docker" "start" "-a" "4dd6b11445cb29016a7d72ea9135bd3d098ab4afe825462da8dc4037ced196bd"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.36s
[INFO] running `"docker" "inspect" "4dd6b11445cb29016a7d72ea9135bd3d098ab4afe825462da8dc4037ced196bd"`
[INFO] running `"docker" "rm" "-f" "4dd6b11445cb29016a7d72ea9135bd3d098ab4afe825462da8dc4037ced196bd"`
[INFO] [stdout] 4dd6b11445cb29016a7d72ea9135bd3d098ab4afe825462da8dc4037ced196bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/stefanholzmueller/rust-calculator:/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] 92fea5222198b33dc20f9ef3108a1ea469bea1cbc6a80a58ee1e0fd28369cd80
[INFO] running `"docker" "start" "-a" "92fea5222198b33dc20f9ef3108a1ea469bea1cbc6a80a58ee1e0fd28369cd80"`
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "92fea5222198b33dc20f9ef3108a1ea469bea1cbc6a80a58ee1e0fd28369cd80"`
[INFO] running `"docker" "rm" "-f" "92fea5222198b33dc20f9ef3108a1ea469bea1cbc6a80a58ee1e0fd28369cd80"`
[INFO] [stdout] 92fea5222198b33dc20f9ef3108a1ea469bea1cbc6a80a58ee1e0fd28369cd80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/stefanholzmueller/rust-calculator:/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] e802314111b4a358785dbd0ef57fd94a0137687e65ef4bc2b5beed8e599c4b63
[INFO] running `"docker" "start" "-a" "e802314111b4a358785dbd0ef57fd94a0137687e65ef4bc2b5beed8e599c4b63"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_calculator-fafc796354ce7c15
[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" "e802314111b4a358785dbd0ef57fd94a0137687e65ef4bc2b5beed8e599c4b63"`
[INFO] running `"docker" "rm" "-f" "e802314111b4a358785dbd0ef57fd94a0137687e65ef4bc2b5beed8e599c4b63"`
[INFO] [stdout] e802314111b4a358785dbd0ef57fd94a0137687e65ef4bc2b5beed8e599c4b63