[INFO] updating cached repository phorden/Rust-Samples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phorden/Rust-Samples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phorden/Rust-Samples" "work/ex/beta-1.38-1/sources/1.37.0/gh/phorden/Rust-Samples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phorden/Rust-Samples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phorden/Rust-Samples" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phorden/Rust-Samples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phorden/Rust-Samples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ead070f383b1e6a311de98002409b22a195d00ce
[INFO] sha for GitHub repo phorden/Rust-Samples: ead070f383b1e6a311de98002409b22a195d00ce
[INFO] validating manifest of phorden/Rust-Samples 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 phorden/Rust-Samples 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 phorden/Rust-Samples
[INFO] finished frobbing phorden/Rust-Samples
[INFO] frobbed toml for phorden/Rust-Samples written to work/ex/beta-1.38-1/sources/1.37.0/gh/phorden/Rust-Samples/Cargo.toml
[INFO] started frobbing phorden/Rust-Samples
[INFO] finished frobbing phorden/Rust-Samples
[INFO] frobbed toml for phorden/Rust-Samples written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phorden/Rust-Samples/Cargo.toml
[INFO] crate phorden/Rust-Samples 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 phorden/Rust-Samples 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-7/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/phorden/Rust-Samples:/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] e004fc92ebeb565a9a77acd6675a16fbc3d61088154d3428e755e9b7a0a13045
[INFO] running `"docker" "start" "-a" "e004fc92ebeb565a9a77acd6675a16fbc3d61088154d3428e755e9b7a0a13045"`
[INFO] [stderr]    Compiling Rust-Samples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Rust_Samples` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_samples`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "e004fc92ebeb565a9a77acd6675a16fbc3d61088154d3428e755e9b7a0a13045"`
[INFO] running `"docker" "rm" "-f" "e004fc92ebeb565a9a77acd6675a16fbc3d61088154d3428e755e9b7a0a13045"`
[INFO] [stdout] e004fc92ebeb565a9a77acd6675a16fbc3d61088154d3428e755e9b7a0a13045
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/phorden/Rust-Samples:/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] 3c5a7b6710cb8ab88e48f9bb649ad84a21299562281ce9f1888c438be6ff6f96
[INFO] running `"docker" "start" "-a" "3c5a7b6710cb8ab88e48f9bb649ad84a21299562281ce9f1888c438be6ff6f96"`
[INFO] [stderr]    Compiling Rust-Samples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Rust_Samples` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_samples`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "3c5a7b6710cb8ab88e48f9bb649ad84a21299562281ce9f1888c438be6ff6f96"`
[INFO] running `"docker" "rm" "-f" "3c5a7b6710cb8ab88e48f9bb649ad84a21299562281ce9f1888c438be6ff6f96"`
[INFO] [stdout] 3c5a7b6710cb8ab88e48f9bb649ad84a21299562281ce9f1888c438be6ff6f96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/phorden/Rust-Samples:/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] de7e920f356bb559b4a35f8224b5135d52b1784118ea66614dd3caef979994fb
[INFO] running `"docker" "start" "-a" "de7e920f356bb559b4a35f8224b5135d52b1784118ea66614dd3caef979994fb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Rust_Samples-142aaf1014bc2fcb
[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" "de7e920f356bb559b4a35f8224b5135d52b1784118ea66614dd3caef979994fb"`
[INFO] running `"docker" "rm" "-f" "de7e920f356bb559b4a35f8224b5135d52b1784118ea66614dd3caef979994fb"`
[INFO] [stdout] de7e920f356bb559b4a35f8224b5135d52b1784118ea66614dd3caef979994fb