[INFO] updating cached repository prince89arora/rust-practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/prince89arora/rust-practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/prince89arora/rust-practice" "work/ex/beta-1.38-1/sources/1.37.0/gh/prince89arora/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/prince89arora/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/prince89arora/rust-practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/prince89arora/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/prince89arora/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab5961018dd653129e73455b7e28dda4ac8675d1
[INFO] sha for GitHub repo prince89arora/rust-practice: ab5961018dd653129e73455b7e28dda4ac8675d1
[INFO] validating manifest of prince89arora/rust-practice 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 prince89arora/rust-practice 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 prince89arora/rust-practice
[INFO] finished frobbing prince89arora/rust-practice
[INFO] frobbed toml for prince89arora/rust-practice written to work/ex/beta-1.38-1/sources/1.37.0/gh/prince89arora/rust-practice/Cargo.toml
[INFO] started frobbing prince89arora/rust-practice
[INFO] finished frobbing prince89arora/rust-practice
[INFO] frobbed toml for prince89arora/rust-practice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/prince89arora/rust-practice/Cargo.toml
[INFO] crate prince89arora/rust-practice 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 prince89arora/rust-practice 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/prince89arora/rust-practice:/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] 514dd14c9f6f171c4b241d5363f42c26342d7923c8f75753baa8685da339ffae
[INFO] running `"docker" "start" "-a" "514dd14c9f6f171c4b241d5363f42c26342d7923c8f75753baa8685da339ffae"`
[INFO] [stderr]    Compiling rust-practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "514dd14c9f6f171c4b241d5363f42c26342d7923c8f75753baa8685da339ffae"`
[INFO] running `"docker" "rm" "-f" "514dd14c9f6f171c4b241d5363f42c26342d7923c8f75753baa8685da339ffae"`
[INFO] [stdout] 514dd14c9f6f171c4b241d5363f42c26342d7923c8f75753baa8685da339ffae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/prince89arora/rust-practice:/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] be0ad6502b29a330dabeb6db8267419ca8b6760adae667f9c0a31d7806006c16
[INFO] running `"docker" "start" "-a" "be0ad6502b29a330dabeb6db8267419ca8b6760adae667f9c0a31d7806006c16"`
[INFO] [stderr]    Compiling rust-practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "be0ad6502b29a330dabeb6db8267419ca8b6760adae667f9c0a31d7806006c16"`
[INFO] running `"docker" "rm" "-f" "be0ad6502b29a330dabeb6db8267419ca8b6760adae667f9c0a31d7806006c16"`
[INFO] [stdout] be0ad6502b29a330dabeb6db8267419ca8b6760adae667f9c0a31d7806006c16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/prince89arora/rust-practice:/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] c07b132421307cd5ee621852c5ed5098771f1c7537e9fdb3f5d9601c334388f8
[INFO] running `"docker" "start" "-a" "c07b132421307cd5ee621852c5ed5098771f1c7537e9fdb3f5d9601c334388f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_practice-b89e8bcf007432c1
[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" "c07b132421307cd5ee621852c5ed5098771f1c7537e9fdb3f5d9601c334388f8"`
[INFO] running `"docker" "rm" "-f" "c07b132421307cd5ee621852c5ed5098771f1c7537e9fdb3f5d9601c334388f8"`
[INFO] [stdout] c07b132421307cd5ee621852c5ed5098771f1c7537e9fdb3f5d9601c334388f8