[INFO] updating cached repository samvidmistry/rust-calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samvidmistry/rust-calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samvidmistry/rust-calculator" "work/ex/beta-1.38-1/sources/1.37.0/gh/samvidmistry/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/samvidmistry/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samvidmistry/rust-calculator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samvidmistry/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samvidmistry/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c84bacc28e5279a0dc380de071d950c5064e176
[INFO] sha for GitHub repo samvidmistry/rust-calculator: 8c84bacc28e5279a0dc380de071d950c5064e176
[INFO] validating manifest of samvidmistry/rust-calculator 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 samvidmistry/rust-calculator 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 samvidmistry/rust-calculator
[INFO] finished frobbing samvidmistry/rust-calculator
[INFO] frobbed toml for samvidmistry/rust-calculator written to work/ex/beta-1.38-1/sources/1.37.0/gh/samvidmistry/rust-calculator/Cargo.toml
[INFO] started frobbing samvidmistry/rust-calculator
[INFO] finished frobbing samvidmistry/rust-calculator
[INFO] frobbed toml for samvidmistry/rust-calculator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samvidmistry/rust-calculator/Cargo.toml
[INFO] crate samvidmistry/rust-calculator 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 samvidmistry/rust-calculator 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-4/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/samvidmistry/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5a0be26587753307298bb26baeab046dc3021924b8939a34c0bff26d9faed21a
[INFO] running `"docker" "start" "-a" "5a0be26587753307298bb26baeab046dc3021924b8939a34c0bff26d9faed21a"`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "5a0be26587753307298bb26baeab046dc3021924b8939a34c0bff26d9faed21a"`
[INFO] running `"docker" "rm" "-f" "5a0be26587753307298bb26baeab046dc3021924b8939a34c0bff26d9faed21a"`
[INFO] [stdout] 5a0be26587753307298bb26baeab046dc3021924b8939a34c0bff26d9faed21a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/samvidmistry/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6500271782fcb2322e4e8164c149eb58ae2cee4f6b9ffae4744e35f1b2b6b322
[INFO] running `"docker" "start" "-a" "6500271782fcb2322e4e8164c149eb58ae2cee4f6b9ffae4744e35f1b2b6b322"`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "6500271782fcb2322e4e8164c149eb58ae2cee4f6b9ffae4744e35f1b2b6b322"`
[INFO] running `"docker" "rm" "-f" "6500271782fcb2322e4e8164c149eb58ae2cee4f6b9ffae4744e35f1b2b6b322"`
[INFO] [stdout] 6500271782fcb2322e4e8164c149eb58ae2cee4f6b9ffae4744e35f1b2b6b322
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/samvidmistry/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1b10317043e9ddfaf3baf97e947a03eb43c945ccdad6585685d8ecebef41673d
[INFO] running `"docker" "start" "-a" "1b10317043e9ddfaf3baf97e947a03eb43c945ccdad6585685d8ecebef41673d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/calculator-43bf4596ea691780
[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" "1b10317043e9ddfaf3baf97e947a03eb43c945ccdad6585685d8ecebef41673d"`
[INFO] running `"docker" "rm" "-f" "1b10317043e9ddfaf3baf97e947a03eb43c945ccdad6585685d8ecebef41673d"`
[INFO] [stdout] 1b10317043e9ddfaf3baf97e947a03eb43c945ccdad6585685d8ecebef41673d