[INFO] updating cached repository mahabubulhasan/rust-practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mahabubulhasan/rust-practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mahabubulhasan/rust-practice" "work/ex/beta-1.38-1/sources/1.37.0/gh/mahabubulhasan/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mahabubulhasan/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mahabubulhasan/rust-practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mahabubulhasan/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mahabubulhasan/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ebaa6c3f0231e457d754a4f1988d3a806a0e541
[INFO] sha for GitHub repo mahabubulhasan/rust-practice: 2ebaa6c3f0231e457d754a4f1988d3a806a0e541
[INFO] validating manifest of mahabubulhasan/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 mahabubulhasan/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 mahabubulhasan/rust-practice
[INFO] finished frobbing mahabubulhasan/rust-practice
[INFO] frobbed toml for mahabubulhasan/rust-practice written to work/ex/beta-1.38-1/sources/1.37.0/gh/mahabubulhasan/rust-practice/Cargo.toml
[INFO] started frobbing mahabubulhasan/rust-practice
[INFO] finished frobbing mahabubulhasan/rust-practice
[INFO] frobbed toml for mahabubulhasan/rust-practice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mahabubulhasan/rust-practice/Cargo.toml
[INFO] crate mahabubulhasan/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 mahabubulhasan/rust-practice 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-0/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/mahabubulhasan/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d6c325fcad0dfa9c43f9f3de8b2bb5a67ee54c311c3e04273c5452a79f212ba2
[INFO] running `"docker" "start" "-a" "d6c325fcad0dfa9c43f9f3de8b2bb5a67ee54c311c3e04273c5452a79f212ba2"`
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "d6c325fcad0dfa9c43f9f3de8b2bb5a67ee54c311c3e04273c5452a79f212ba2"`
[INFO] running `"docker" "rm" "-f" "d6c325fcad0dfa9c43f9f3de8b2bb5a67ee54c311c3e04273c5452a79f212ba2"`
[INFO] [stdout] d6c325fcad0dfa9c43f9f3de8b2bb5a67ee54c311c3e04273c5452a79f212ba2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/mahabubulhasan/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c5ebe6ab2b185ab1c8b1ebfbf3c37bf12021dc450803e2bb8cc4dfa3d440a0ed
[INFO] running `"docker" "start" "-a" "c5ebe6ab2b185ab1c8b1ebfbf3c37bf12021dc450803e2bb8cc4dfa3d440a0ed"`
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "c5ebe6ab2b185ab1c8b1ebfbf3c37bf12021dc450803e2bb8cc4dfa3d440a0ed"`
[INFO] running `"docker" "rm" "-f" "c5ebe6ab2b185ab1c8b1ebfbf3c37bf12021dc450803e2bb8cc4dfa3d440a0ed"`
[INFO] [stdout] c5ebe6ab2b185ab1c8b1ebfbf3c37bf12021dc450803e2bb8cc4dfa3d440a0ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/mahabubulhasan/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] a212880d3ac576cc08a40c895aeec44f8f9c0f95119f3dc7a2a7976bed12df01
[INFO] running `"docker" "start" "-a" "a212880d3ac576cc08a40c895aeec44f8f9c0f95119f3dc7a2a7976bed12df01"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/patterns-61aa497401204c87
[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" "a212880d3ac576cc08a40c895aeec44f8f9c0f95119f3dc7a2a7976bed12df01"`
[INFO] running `"docker" "rm" "-f" "a212880d3ac576cc08a40c895aeec44f8f9c0f95119f3dc7a2a7976bed12df01"`
[INFO] [stdout] a212880d3ac576cc08a40c895aeec44f8f9c0f95119f3dc7a2a7976bed12df01