[INFO] updating cached repository AidanPrehatny/rust-practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AidanPrehatny/rust-practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AidanPrehatny/rust-practice" "work/ex/beta-1.38-1/sources/1.37.0/gh/AidanPrehatny/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AidanPrehatny/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AidanPrehatny/rust-practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AidanPrehatny/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AidanPrehatny/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6ee8448daaedfac6b29bd40ac3593f778ff13b0
[INFO] sha for GitHub repo AidanPrehatny/rust-practice: e6ee8448daaedfac6b29bd40ac3593f778ff13b0
[INFO] validating manifest of AidanPrehatny/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 AidanPrehatny/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 AidanPrehatny/rust-practice
[INFO] finished frobbing AidanPrehatny/rust-practice
[INFO] frobbed toml for AidanPrehatny/rust-practice written to work/ex/beta-1.38-1/sources/1.37.0/gh/AidanPrehatny/rust-practice/Cargo.toml
[INFO] started frobbing AidanPrehatny/rust-practice
[INFO] finished frobbing AidanPrehatny/rust-practice
[INFO] frobbed toml for AidanPrehatny/rust-practice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AidanPrehatny/rust-practice/Cargo.toml
[INFO] crate AidanPrehatny/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 AidanPrehatny/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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AidanPrehatny/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] 0100675a167bdc95f234386079262f3bed6125c69d4583e526c7bd92cde89937
[INFO] running `"docker" "start" "-a" "0100675a167bdc95f234386079262f3bed6125c69d4583e526c7bd92cde89937"`
[INFO] [stderr]    Compiling rust_prac v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "0100675a167bdc95f234386079262f3bed6125c69d4583e526c7bd92cde89937"`
[INFO] running `"docker" "rm" "-f" "0100675a167bdc95f234386079262f3bed6125c69d4583e526c7bd92cde89937"`
[INFO] [stdout] 0100675a167bdc95f234386079262f3bed6125c69d4583e526c7bd92cde89937
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AidanPrehatny/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] d755e6459653a200d5b52b4d6a1925f3cbad6565851bbb9a79e4b92b37dfbfb9
[INFO] running `"docker" "start" "-a" "d755e6459653a200d5b52b4d6a1925f3cbad6565851bbb9a79e4b92b37dfbfb9"`
[INFO] [stderr]    Compiling rust_prac v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "d755e6459653a200d5b52b4d6a1925f3cbad6565851bbb9a79e4b92b37dfbfb9"`
[INFO] running `"docker" "rm" "-f" "d755e6459653a200d5b52b4d6a1925f3cbad6565851bbb9a79e4b92b37dfbfb9"`
[INFO] [stdout] d755e6459653a200d5b52b4d6a1925f3cbad6565851bbb9a79e4b92b37dfbfb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AidanPrehatny/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] 045843f21f5414ff324e0e12578b8b10c96b29b92de825e58e229ae58fa4c520
[INFO] running `"docker" "start" "-a" "045843f21f5414ff324e0e12578b8b10c96b29b92de825e58e229ae58fa4c520"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_prac-70487f4c7f6bc106
[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" "045843f21f5414ff324e0e12578b8b10c96b29b92de825e58e229ae58fa4c520"`
[INFO] running `"docker" "rm" "-f" "045843f21f5414ff324e0e12578b8b10c96b29b92de825e58e229ae58fa4c520"`
[INFO] [stdout] 045843f21f5414ff324e0e12578b8b10c96b29b92de825e58e229ae58fa4c520