[INFO] updating cached repository nsarathsoman/LearnRustLang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nsarathsoman/LearnRustLang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nsarathsoman/LearnRustLang" "work/ex/beta-1.38-1/sources/1.37.0/gh/nsarathsoman/LearnRustLang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nsarathsoman/LearnRustLang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nsarathsoman/LearnRustLang" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsarathsoman/LearnRustLang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsarathsoman/LearnRustLang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 480121edc51a1bc0d26b560042c8f8fee321aa90
[INFO] sha for GitHub repo nsarathsoman/LearnRustLang: 480121edc51a1bc0d26b560042c8f8fee321aa90
[INFO] validating manifest of nsarathsoman/LearnRustLang 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 nsarathsoman/LearnRustLang 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 nsarathsoman/LearnRustLang
[INFO] finished frobbing nsarathsoman/LearnRustLang
[INFO] frobbed toml for nsarathsoman/LearnRustLang written to work/ex/beta-1.38-1/sources/1.37.0/gh/nsarathsoman/LearnRustLang/Cargo.toml
[INFO] started frobbing nsarathsoman/LearnRustLang
[INFO] finished frobbing nsarathsoman/LearnRustLang
[INFO] frobbed toml for nsarathsoman/LearnRustLang written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsarathsoman/LearnRustLang/Cargo.toml
[INFO] crate nsarathsoman/LearnRustLang 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 nsarathsoman/LearnRustLang 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/nsarathsoman/LearnRustLang:/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] dc0746d59889889198a7671c0191763e5d831fda1bee5eb1153e2bf7095191ef
[INFO] running `"docker" "start" "-a" "dc0746d59889889198a7671c0191763e5d831fda1bee5eb1153e2bf7095191ef"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "dc0746d59889889198a7671c0191763e5d831fda1bee5eb1153e2bf7095191ef"`
[INFO] running `"docker" "rm" "-f" "dc0746d59889889198a7671c0191763e5d831fda1bee5eb1153e2bf7095191ef"`
[INFO] [stdout] dc0746d59889889198a7671c0191763e5d831fda1bee5eb1153e2bf7095191ef
[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/nsarathsoman/LearnRustLang:/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] 6834851009e6410bb0b6ea5a5d3c66f4f692cf83cdeec88162917a20f63e15cb
[INFO] running `"docker" "start" "-a" "6834851009e6410bb0b6ea5a5d3c66f4f692cf83cdeec88162917a20f63e15cb"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "6834851009e6410bb0b6ea5a5d3c66f4f692cf83cdeec88162917a20f63e15cb"`
[INFO] running `"docker" "rm" "-f" "6834851009e6410bb0b6ea5a5d3c66f4f692cf83cdeec88162917a20f63e15cb"`
[INFO] [stdout] 6834851009e6410bb0b6ea5a5d3c66f4f692cf83cdeec88162917a20f63e15cb
[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/nsarathsoman/LearnRustLang:/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] 95c91afe97b0ef4bd355e7edc1ebb1674d7e56d4c57ce705fd417c40077fedaf
[INFO] running `"docker" "start" "-a" "95c91afe97b0ef4bd355e7edc1ebb1674d7e56d4c57ce705fd417c40077fedaf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello-e416ede7c6fa78fa
[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" "95c91afe97b0ef4bd355e7edc1ebb1674d7e56d4c57ce705fd417c40077fedaf"`
[INFO] running `"docker" "rm" "-f" "95c91afe97b0ef4bd355e7edc1ebb1674d7e56d4c57ce705fd417c40077fedaf"`
[INFO] [stdout] 95c91afe97b0ef4bd355e7edc1ebb1674d7e56d4c57ce705fd417c40077fedaf