[INFO] updating cached repository lvmythos/rust_hello
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lvmythos/rust_hello
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lvmythos/rust_hello" "work/ex/beta-1.38-1/sources/1.37.0/gh/lvmythos/rust_hello"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lvmythos/rust_hello'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lvmythos/rust_hello" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lvmythos/rust_hello"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lvmythos/rust_hello'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2b9f15887dbd951adcb5ea81f4255a395d6d16bc
[INFO] sha for GitHub repo lvmythos/rust_hello: 2b9f15887dbd951adcb5ea81f4255a395d6d16bc
[INFO] validating manifest of lvmythos/rust_hello 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 lvmythos/rust_hello 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 lvmythos/rust_hello
[INFO] finished frobbing lvmythos/rust_hello
[INFO] frobbed toml for lvmythos/rust_hello written to work/ex/beta-1.38-1/sources/1.37.0/gh/lvmythos/rust_hello/Cargo.toml
[INFO] started frobbing lvmythos/rust_hello
[INFO] finished frobbing lvmythos/rust_hello
[INFO] frobbed toml for lvmythos/rust_hello written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lvmythos/rust_hello/Cargo.toml
[INFO] crate lvmythos/rust_hello 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing lvmythos/rust_hello 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-4/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/lvmythos/rust_hello:/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] 0d67eca01f61a0554a9ce832889d360b37d0ba523e200e9c1c5eeb67f65a0013
[INFO] running `"docker" "start" "-a" "0d67eca01f61a0554a9ce832889d360b37d0ba523e200e9c1c5eeb67f65a0013"`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "0d67eca01f61a0554a9ce832889d360b37d0ba523e200e9c1c5eeb67f65a0013"`
[INFO] running `"docker" "rm" "-f" "0d67eca01f61a0554a9ce832889d360b37d0ba523e200e9c1c5eeb67f65a0013"`
[INFO] [stdout] 0d67eca01f61a0554a9ce832889d360b37d0ba523e200e9c1c5eeb67f65a0013
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/lvmythos/rust_hello:/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] 944a7cf2801c268ef81eb0f480733d44d6982af2b3f5653db106e034687c130e
[INFO] running `"docker" "start" "-a" "944a7cf2801c268ef81eb0f480733d44d6982af2b3f5653db106e034687c130e"`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "944a7cf2801c268ef81eb0f480733d44d6982af2b3f5653db106e034687c130e"`
[INFO] running `"docker" "rm" "-f" "944a7cf2801c268ef81eb0f480733d44d6982af2b3f5653db106e034687c130e"`
[INFO] [stdout] 944a7cf2801c268ef81eb0f480733d44d6982af2b3f5653db106e034687c130e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/lvmythos/rust_hello:/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] 6240a68c1a39084c5cd46225ebc07b805d87a6a54cd484806168ff8ebcc32bcb
[INFO] running `"docker" "start" "-a" "6240a68c1a39084c5cd46225ebc07b805d87a6a54cd484806168ff8ebcc32bcb"`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-0ed420afb3798957
[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" "6240a68c1a39084c5cd46225ebc07b805d87a6a54cd484806168ff8ebcc32bcb"`
[INFO] running `"docker" "rm" "-f" "6240a68c1a39084c5cd46225ebc07b805d87a6a54cd484806168ff8ebcc32bcb"`
[INFO] [stdout] 6240a68c1a39084c5cd46225ebc07b805d87a6a54cd484806168ff8ebcc32bcb