[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 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 84239e7b0e611a0961f11d0c6e6164e7ede3545bce1c89a27747c4f57380d53f
[INFO] running `"docker" "start" "-a" "84239e7b0e611a0961f11d0c6e6164e7ede3545bce1c89a27747c4f57380d53f"`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "84239e7b0e611a0961f11d0c6e6164e7ede3545bce1c89a27747c4f57380d53f"`
[INFO] running `"docker" "rm" "-f" "84239e7b0e611a0961f11d0c6e6164e7ede3545bce1c89a27747c4f57380d53f"`
[INFO] [stdout] 84239e7b0e611a0961f11d0c6e6164e7ede3545bce1c89a27747c4f57380d53f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ad9efb75518088af777503c23e0e9b8db882c46aeb7e800e6a6678fc470f380b
[INFO] running `"docker" "start" "-a" "ad9efb75518088af777503c23e0e9b8db882c46aeb7e800e6a6678fc470f380b"`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "ad9efb75518088af777503c23e0e9b8db882c46aeb7e800e6a6678fc470f380b"`
[INFO] running `"docker" "rm" "-f" "ad9efb75518088af777503c23e0e9b8db882c46aeb7e800e6a6678fc470f380b"`
[INFO] [stdout] ad9efb75518088af777503c23e0e9b8db882c46aeb7e800e6a6678fc470f380b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 11e5dd2261d3feb8bba0a14237d61a1e9de47077657f3f427c422b54866e2292
[INFO] running `"docker" "start" "-a" "11e5dd2261d3feb8bba0a14237d61a1e9de47077657f3f427c422b54866e2292"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/calculator-ceb6287879e57038
[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" "11e5dd2261d3feb8bba0a14237d61a1e9de47077657f3f427c422b54866e2292"`
[INFO] running `"docker" "rm" "-f" "11e5dd2261d3feb8bba0a14237d61a1e9de47077657f3f427c422b54866e2292"`
[INFO] [stdout] 11e5dd2261d3feb8bba0a14237d61a1e9de47077657f3f427c422b54866e2292