[INFO] updating cached repository chousemath/rust-snippets
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chousemath/rust-snippets
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chousemath/rust-snippets" "work/ex/beta-1.38-1/sources/1.37.0/gh/chousemath/rust-snippets"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chousemath/rust-snippets'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chousemath/rust-snippets" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chousemath/rust-snippets"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chousemath/rust-snippets'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ba01e5ff98b88c38d8834596d9dc8bd9bb85b98
[INFO] sha for GitHub repo chousemath/rust-snippets: 4ba01e5ff98b88c38d8834596d9dc8bd9bb85b98
[INFO] validating manifest of chousemath/rust-snippets 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 chousemath/rust-snippets 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 chousemath/rust-snippets
[INFO] finished frobbing chousemath/rust-snippets
[INFO] frobbed toml for chousemath/rust-snippets written to work/ex/beta-1.38-1/sources/1.37.0/gh/chousemath/rust-snippets/Cargo.toml
[INFO] started frobbing chousemath/rust-snippets
[INFO] finished frobbing chousemath/rust-snippets
[INFO] frobbed toml for chousemath/rust-snippets written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chousemath/rust-snippets/Cargo.toml
[INFO] crate chousemath/rust-snippets 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 chousemath/rust-snippets 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-6/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/chousemath/rust-snippets:/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] 7d14c72e64f79cbe1593e79b75daed273cd0dfc063ec607c216bbf78359d44dd
[INFO] running `"docker" "start" "-a" "7d14c72e64f79cbe1593e79b75daed273cd0dfc063ec607c216bbf78359d44dd"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "7d14c72e64f79cbe1593e79b75daed273cd0dfc063ec607c216bbf78359d44dd"`
[INFO] running `"docker" "rm" "-f" "7d14c72e64f79cbe1593e79b75daed273cd0dfc063ec607c216bbf78359d44dd"`
[INFO] [stdout] 7d14c72e64f79cbe1593e79b75daed273cd0dfc063ec607c216bbf78359d44dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/chousemath/rust-snippets:/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] e85d465e22594abf8ab79c0e8f9bfdf0202f8e20109248e7848d69aaaacd16f6
[INFO] running `"docker" "start" "-a" "e85d465e22594abf8ab79c0e8f9bfdf0202f8e20109248e7848d69aaaacd16f6"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "e85d465e22594abf8ab79c0e8f9bfdf0202f8e20109248e7848d69aaaacd16f6"`
[INFO] running `"docker" "rm" "-f" "e85d465e22594abf8ab79c0e8f9bfdf0202f8e20109248e7848d69aaaacd16f6"`
[INFO] [stdout] e85d465e22594abf8ab79c0e8f9bfdf0202f8e20109248e7848d69aaaacd16f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/chousemath/rust-snippets:/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] ea3dc9fdc4e022cf7a15e55b82c71babf4caf3c63cc7971b0e0135f0db9f7603
[INFO] running `"docker" "start" "-a" "ea3dc9fdc4e022cf7a15e55b82c71babf4caf3c63cc7971b0e0135f0db9f7603"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-128d30072875c35d
[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" "ea3dc9fdc4e022cf7a15e55b82c71babf4caf3c63cc7971b0e0135f0db9f7603"`
[INFO] running `"docker" "rm" "-f" "ea3dc9fdc4e022cf7a15e55b82c71babf4caf3c63cc7971b0e0135f0db9f7603"`
[INFO] [stdout] ea3dc9fdc4e022cf7a15e55b82c71babf4caf3c63cc7971b0e0135f0db9f7603