[INFO] updating cached repository c2TheOlin/RustIntro
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/c2TheOlin/RustIntro
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/c2TheOlin/RustIntro" "work/ex/beta-1.38-1/sources/1.37.0/gh/c2TheOlin/RustIntro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/c2TheOlin/RustIntro'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/c2TheOlin/RustIntro" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c2TheOlin/RustIntro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c2TheOlin/RustIntro'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 399fa3652727921cb650dbc7bbb1f95f46f47b3a
[INFO] sha for GitHub repo c2TheOlin/RustIntro: 399fa3652727921cb650dbc7bbb1f95f46f47b3a
[INFO] validating manifest of c2TheOlin/RustIntro 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 c2TheOlin/RustIntro 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 c2TheOlin/RustIntro
[INFO] finished frobbing c2TheOlin/RustIntro
[INFO] frobbed toml for c2TheOlin/RustIntro written to work/ex/beta-1.38-1/sources/1.37.0/gh/c2TheOlin/RustIntro/Cargo.toml
[INFO] started frobbing c2TheOlin/RustIntro
[INFO] finished frobbing c2TheOlin/RustIntro
[INFO] frobbed toml for c2TheOlin/RustIntro written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c2TheOlin/RustIntro/Cargo.toml
[INFO] crate c2TheOlin/RustIntro 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 c2TheOlin/RustIntro 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-1/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/c2TheOlin/RustIntro:/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] 25c512d829c21df81a758b9e9f837613884125613344d583ac8133b9180b5785
[INFO] running `"docker" "start" "-a" "25c512d829c21df81a758b9e9f837613884125613344d583ac8133b9180b5785"`
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `"docker" "inspect" "25c512d829c21df81a758b9e9f837613884125613344d583ac8133b9180b5785"`
[INFO] running `"docker" "rm" "-f" "25c512d829c21df81a758b9e9f837613884125613344d583ac8133b9180b5785"`
[INFO] [stdout] 25c512d829c21df81a758b9e9f837613884125613344d583ac8133b9180b5785
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/c2TheOlin/RustIntro:/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] 73b821c7399c5e50bd8a4c071d666aac9550cbfb7ff0fd0bc11e5fb63c92dac4
[INFO] running `"docker" "start" "-a" "73b821c7399c5e50bd8a4c071d666aac9550cbfb7ff0fd0bc11e5fb63c92dac4"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "73b821c7399c5e50bd8a4c071d666aac9550cbfb7ff0fd0bc11e5fb63c92dac4"`
[INFO] running `"docker" "rm" "-f" "73b821c7399c5e50bd8a4c071d666aac9550cbfb7ff0fd0bc11e5fb63c92dac4"`
[INFO] [stdout] 73b821c7399c5e50bd8a4c071d666aac9550cbfb7ff0fd0bc11e5fb63c92dac4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/c2TheOlin/RustIntro:/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] e00f19badfdc40e57f9a78f92f8b7dc31fa09e175cdc705c3373999b4e4bc861
[INFO] running `"docker" "start" "-a" "e00f19badfdc40e57f9a78f92f8b7dc31fa09e175cdc705c3373999b4e4bc861"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_rust-ed5aa004dc7a5745
[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" "e00f19badfdc40e57f9a78f92f8b7dc31fa09e175cdc705c3373999b4e4bc861"`
[INFO] running `"docker" "rm" "-f" "e00f19badfdc40e57f9a78f92f8b7dc31fa09e175cdc705c3373999b4e4bc861"`
[INFO] [stdout] e00f19badfdc40e57f9a78f92f8b7dc31fa09e175cdc705c3373999b4e4bc861