[INFO] updating cached repository 4010424ali/rust_programming_language
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/4010424ali/rust_programming_language
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/4010424ali/rust_programming_language" "work/ex/beta-1.38-1/sources/1.37.0/gh/4010424ali/rust_programming_language"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/4010424ali/rust_programming_language'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/4010424ali/rust_programming_language" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/4010424ali/rust_programming_language"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/4010424ali/rust_programming_language'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a02eec3f2b8b674a79ddafe4a81c76baed47cda
[INFO] sha for GitHub repo 4010424ali/rust_programming_language: 1a02eec3f2b8b674a79ddafe4a81c76baed47cda
[INFO] validating manifest of 4010424ali/rust_programming_language 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 4010424ali/rust_programming_language 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 4010424ali/rust_programming_language
[INFO] finished frobbing 4010424ali/rust_programming_language
[INFO] frobbed toml for 4010424ali/rust_programming_language written to work/ex/beta-1.38-1/sources/1.37.0/gh/4010424ali/rust_programming_language/Cargo.toml
[INFO] started frobbing 4010424ali/rust_programming_language
[INFO] finished frobbing 4010424ali/rust_programming_language
[INFO] frobbed toml for 4010424ali/rust_programming_language written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/4010424ali/rust_programming_language/Cargo.toml
[INFO] crate 4010424ali/rust_programming_language 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 4010424ali/rust_programming_language 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-3/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/4010424ali/rust_programming_language:/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] 559135e7f4c2546ae737620a48c878d83c528093e1951d2cef47cc8aaea18bcf
[INFO] running `"docker" "start" "-a" "559135e7f4c2546ae737620a48c878d83c528093e1951d2cef47cc8aaea18bcf"`
[INFO] [stderr]    Compiling RustProgramming v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustProgramming` 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_programming`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "559135e7f4c2546ae737620a48c878d83c528093e1951d2cef47cc8aaea18bcf"`
[INFO] running `"docker" "rm" "-f" "559135e7f4c2546ae737620a48c878d83c528093e1951d2cef47cc8aaea18bcf"`
[INFO] [stdout] 559135e7f4c2546ae737620a48c878d83c528093e1951d2cef47cc8aaea18bcf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/4010424ali/rust_programming_language:/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] 685d08a51a763350d6117208d50b0edf97840bc1a2969133261bf5b5c04c698a
[INFO] running `"docker" "start" "-a" "685d08a51a763350d6117208d50b0edf97840bc1a2969133261bf5b5c04c698a"`
[INFO] [stderr]    Compiling RustProgramming v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustProgramming` 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_programming`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "685d08a51a763350d6117208d50b0edf97840bc1a2969133261bf5b5c04c698a"`
[INFO] running `"docker" "rm" "-f" "685d08a51a763350d6117208d50b0edf97840bc1a2969133261bf5b5c04c698a"`
[INFO] [stdout] 685d08a51a763350d6117208d50b0edf97840bc1a2969133261bf5b5c04c698a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/4010424ali/rust_programming_language:/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] f557aa112a1262321c09730e74f27d504a655ea61f67df721e4d54c51b3d4834
[INFO] running `"docker" "start" "-a" "f557aa112a1262321c09730e74f27d504a655ea61f67df721e4d54c51b3d4834"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RustProgramming-6891c4b92d8d606f
[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" "f557aa112a1262321c09730e74f27d504a655ea61f67df721e4d54c51b3d4834"`
[INFO] running `"docker" "rm" "-f" "f557aa112a1262321c09730e74f27d504a655ea61f67df721e4d54c51b3d4834"`
[INFO] [stdout] f557aa112a1262321c09730e74f27d504a655ea61f67df721e4d54c51b3d4834