[INFO] updating cached repository davidjscherer/Rust_Tests
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davidjscherer/Rust_Tests
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davidjscherer/Rust_Tests" "work/ex/beta-1.38-1/sources/1.37.0/gh/davidjscherer/Rust_Tests"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davidjscherer/Rust_Tests'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidjscherer/Rust_Tests" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidjscherer/Rust_Tests"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidjscherer/Rust_Tests'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a24b8accf021bcf317b1f12d174ac35e92526bae
[INFO] sha for GitHub repo davidjscherer/Rust_Tests: a24b8accf021bcf317b1f12d174ac35e92526bae
[INFO] validating manifest of davidjscherer/Rust_Tests 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 davidjscherer/Rust_Tests 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 davidjscherer/Rust_Tests
[INFO] finished frobbing davidjscherer/Rust_Tests
[INFO] frobbed toml for davidjscherer/Rust_Tests written to work/ex/beta-1.38-1/sources/1.37.0/gh/davidjscherer/Rust_Tests/Cargo.toml
[INFO] started frobbing davidjscherer/Rust_Tests
[INFO] finished frobbing davidjscherer/Rust_Tests
[INFO] frobbed toml for davidjscherer/Rust_Tests written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidjscherer/Rust_Tests/Cargo.toml
[INFO] crate davidjscherer/Rust_Tests 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing davidjscherer/Rust_Tests 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/davidjscherer/Rust_Tests:/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] 1728e4528ce28e875b227ea659b11170ff4b4d7e24ac92d337395de80bf9ad4c
[INFO] running `"docker" "start" "-a" "1728e4528ce28e875b227ea659b11170ff4b4d7e24ac92d337395de80bf9ad4c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_intro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "1728e4528ce28e875b227ea659b11170ff4b4d7e24ac92d337395de80bf9ad4c"`
[INFO] running `"docker" "rm" "-f" "1728e4528ce28e875b227ea659b11170ff4b4d7e24ac92d337395de80bf9ad4c"`
[INFO] [stdout] 1728e4528ce28e875b227ea659b11170ff4b4d7e24ac92d337395de80bf9ad4c
[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/davidjscherer/Rust_Tests:/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] f22821a74da1907f656bc24ccbe2dbd122970cbe94f47c7fa19ca59f3cb227f5
[INFO] running `"docker" "start" "-a" "f22821a74da1907f656bc24ccbe2dbd122970cbe94f47c7fa19ca59f3cb227f5"`
[INFO] [stderr]    Compiling rust_intro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "f22821a74da1907f656bc24ccbe2dbd122970cbe94f47c7fa19ca59f3cb227f5"`
[INFO] running `"docker" "rm" "-f" "f22821a74da1907f656bc24ccbe2dbd122970cbe94f47c7fa19ca59f3cb227f5"`
[INFO] [stdout] f22821a74da1907f656bc24ccbe2dbd122970cbe94f47c7fa19ca59f3cb227f5
[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/davidjscherer/Rust_Tests:/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] afe9b3a3c3b44ca5894a23880ec43574522af372e39d98ba81081d8584148a66
[INFO] running `"docker" "start" "-a" "afe9b3a3c3b44ca5894a23880ec43574522af372e39d98ba81081d8584148a66"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_intro-613e143ed8d0b2d9
[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" "afe9b3a3c3b44ca5894a23880ec43574522af372e39d98ba81081d8584148a66"`
[INFO] running `"docker" "rm" "-f" "afe9b3a3c3b44ca5894a23880ec43574522af372e39d98ba81081d8584148a66"`
[INFO] [stdout] afe9b3a3c3b44ca5894a23880ec43574522af372e39d98ba81081d8584148a66